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3rd Party License Acknowledgement

+

Nearform temporal tables postgres function is licensed under MIT: +sormas-backend/src/main/resources/sql/temporal_tables/LICENSE

+

Country flags in sormas-ui/src/main/webapp/VAADIN/themes/sormas/img/flag-icons/ are licensed under MIT:

+
Copyright (c) 2017 Go Squared Ltd. http://www.gosquared.com/
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and 
+associated documentation files (the "Software"), to deal in the Software without restriction, including without 
+limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, 
+and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO 
+THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 
+THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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Adding License Headers

+

License Header

+

Use the following header for all newly created source files:

+
SORMAS® - Surveillance Outbreak Response Management & Analysis System
+Copyright © 2016-2023 Helmholtz-Zentrum für Infektionsforschung GmbH (HZI)
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program. If not, see <https://www.gnu.org/licenses/>.
+
+

Eclipse

+
    +
  • Use eclipse's Releng tool to automatically add license headers to all relevant source files (see here for a usage guide)
    • +
  • After installing the tool from the marketplace, open Window > Preferences > Copyright Tool and paste the license header from above into the template text area
    • +
  • Make sure to select "Replace all existing copyright comments with this copyright template" and especially "Skip over XML files" (to make sure that headers don't get added to e.g. build files)
    • +
  • Whenever you create a new source file: Right click on the file and select "Fix Copyrights"
    • +
+

Android Studio/IntelliJ

+
    +
  • Open File > Settings > Editor > Copyright > Copyright Profiles
    • +
  • Create a new profile and paste the license header from above into the Copyright text area
    • +
  • Head back to the general Copyright settings and select the new copyright profile as the "Default project copyright"
    • +
  • (Optional: If the year has changed, right click on all projects containing manual code and select "Update Copyright...", select "Custom Scope" and in the dropdown, select "Project Source Files"; Click "Ok" and wait until the copyright has been added to/changed for all files)
    • +
  • Android Studio automatically adds the copyright to newly created files afterwards
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Contributing Guidelines

+

If you want to contribute to SORMAS by any means - for example by submitting a bug report, requesting a new feature, translating the application into a new language, or actively contributing to the source code - please make sure to read through and follow these guidelines. +This allows us to consider and process your contribution as quickly and smoothly as possible. If there is anything unclear to you or you think that this guide is lacking coverage of a specific topic, please get in touch with us through our GitHub Discussions.

+

Table of Contents

+ +

Submitting an Issue

+

Before creating a new issue, please search the repository for similar issues first to avoid duplicates! You can do this by using the search field in the menu bar. If you find an issue that already covers your request or seems very similar, please comment on that issue.

+

We are currently distinguishing the following issue types: bug, change, feature, finding, task and epic. +Please make sure to always use one of the templates that are automatically presented to you when creating a new issue because it ensures that your issue is structured and contains all the information that we need. +Issues that have not been created like this will be closed and you will be asked to submit a new issue that adheres to these guidelines.

+

Please add information to all mandatory sections of the issue templates, and try to fill in the optional sections if possible. Do not remove any section after submitting the issue because they might be filled later by the development team. +While moving forward in the development process, developers might also extend or alter the initial issue description, e.g. to adjust it according to the outcome of a refinement process.

+

Security Issues

+

If you want to report a security issue, please follow our guidelines for Responsible Disclosure.

+

Issue Types

+

Bug Report

+

Bug reports cover everything that leads to the application behaving in an unintended way, including crashes, unexpected error messages, data loss, etc.

+

Before creating a bug report, please check the following rules:

+
    +
  1. If something seems to be working correctly but does not necessarily match your expectations of how it should be working, please consider opening a change request instead. This applies also for performance issues.
    2. +
  2. If you have more than one possible bug, especially when you are tempted to create a list of independent findings in the Bug Description, please document each bug as separate issue.
    3. +
  3. Bugs should generally only be reported as new issues if they occur on a released version. If a bug only occurs on the current development version, it has very likely been caused by implementation done in the current iteration; in this case, the issue responsible for introducing the bug has to be reopened instead of creating a new issue. +This process helps to keep both the commit history and the release notes clean.
    4. +
+

The development team defines a severity for bugs to distinguish the consequences for affected users:

+
    +
  • critical: The system is unusable as a whole or on critical functionality with no reasonable workaround available.
    • +
  • major: A functional requirement is incorrect or incomplete and leads to errors or undesirable behavior.
    • +
  • minor: Text issues or grammatical mistakes, layouting or cosmetic problems that do not affect the functionality.
    • +
+

Change Request

+

Change requests cover features that are already part of SORMAS. This primarily includes aspects (or whole features) for which you would like to request an altered behavior, but also small extensions (e.g. additional values being added to a dropdown field).

+

A change request (excluding the optional fields) could look like this:

+

Problem Description

+

The "Test Results" card on the surveillance dashboard has a misleading caption. It suggests that it counts the results of all pathogen tests related to samples reported in the chosen time period while it actually refers to the final laboratory result of the latest sample associated to each case.

+

Proposed Change

+

Change the caption to "Final Laboratory Results" and add a tooltip that explains how the numbers are collected.

+

Added Value/Benefit

+

Users will have a better intuitive understanding of what the card shows, and misunderstandings are further prevented by adding the tooltip.

+

Acceptance Criteria

+
    +
  • [ ] The "Test Results" caption on the surveillance dashboard has been renamed to "Pathogen Test Results"
    • +
  • [ ] An info icon has been added to the right of the caption; should look like the info icon in the case directory filters next to the case reference date dropdown
    • +
  • [ ] Hovering over the icon displays the following tooltip: "When a case has multiple samples, only the final laboratory result of the sample with the latest sample collection date is considered."
    • +
+

Feature Request

+

Feature requests cover everything that involves adding new features to SORMAS. This includes both very large additions like completely new app sections, but also smaller ones like adding a new field to an existing form.

+

Finding

+

Findings are used to document unexpected behavior, mostly encountered during the development process. You can also use this issue type if you're not sure whether the behavior is a bug or not.

+

The development team will investigate the finding and add more details when needed. The goal is to either +- convert it to a bug if it is considered to be a bug on a released version. +- convert it to a change or feature request if there is something to improve. +- dismiss it as a duplicate if a responsible issue in the current iteration is found and reopened or fixed. +- dismiss it as discarded if the finding is not an issue.

+

A severity as for bugs can also be used for findings.

+

Task

+

Tasks are things that need to be done but do not directly change anything about the product. This could for example be the preparation of an upcoming feature/change, optimization of processes on GitHub, working on automated tests, or the update of one of the guides or Wiki articles in this repository.

+

Epic

+

The development team uses an epic as an umbrella for large change or feature streams that are linked together. Within the epic the included issues are linked in the Tasks section.

+

Contributing to the Project

+

There are many ways in which you can contribute to this project as a non-developer. If there is something you would like to do that you don't find instructions about here - or if you want to learn how you can get involved - please contact us at info@sormas.org +or through our GitHub Discussions and let us know how we can assist you!

+

Some possibilities to contribute to SORMAS are:

+ +

Contributing to the Code

+

If you're interested in participating in the development of SORMAS, please follow the Development Environment Setup Instructions before you start developing. If you have problems setting up your development environment or need assistance in choosing the first issue to work on, +please get in touch with us through our GitHub Discussions or by contacting us at info@sormas.org.

+

Additionally, our Wiki contains some specific development guides that cover common issues like adding new fields to an entity that we suggest to check out before you start implementing something related to those topics:

+ +

Development Contributing Guidelines

+

In addition to the guidelines covered by the Development Environment Setup Instructions, please ensure to adhere to the following principles and procedures while developing code for SORMAS.

+

Source Code

+
    +
  1. Remember to always apply code formatting and import reordering for all classes you work on; we recommend to use the Save Actions plugin as described in the setup instructions instead of manually executing these steps.
    2. +
  2. Some code formatting rules can't be enforced by the code formatter. Please make sure to write your code in accordance to the following rules:
      +
    • When defining a method, enter a blank line before starting to write its body (except for methods with only one line of code, e.g. most getters and setters).
      • +
    • Use a blank line to separate logical blocks of code within a method.
      • +
    • Apart from those, don't use blank lines where they are not necessarily needed to keep the code compact and readable.
      • +
    • Don't use blank lines after the last statement of a block, but a closing } with proper indentation in the next line instead.
      • +
    • Don't use blank lines between two closing }.
      • +
    +
    3. +
  3. You can use //@formatter:off and //@formatter:on to encapsulate code blocks that you don't want automatic code formatting to be applied to, e.g. because it would mess up readability. Please only use this if really needed and try to use proper indentation nonetheless.
    4. +
  4. Separate code and comments, i.e. write the comment in a separate line before the statement that you want to explain.
    5. +
  5. When you create new classes, please add license headers to them according to the Adding License Headers guide.
    6. +
+

Commits

+
    +
  1. Commit messages of every commit have to be related to a specific issue on GitHub and reference its issue number as well as include a short description on what has been done in the commit. We will reject pull requests that violate this principle and ask you to re-submit it with proper commit messages. An acceptable commit message could look like this:
    +

    1234 - Added model to define classification

    +
    +
    2. +
  2. A common practice for Git commits is to keep the first line with 50 characters as a meaningful short description, and to deliver additional details following in line 3 onwards. Most git viewers abbreviate the first line after 50 characters.
    +

    1234 - Added model to define classification

    +
      +
    • Apply automatic case classification whenever a field value changes
      • +
    • Show classification in lists
      • +
    +
    +
    3. +
  3. Keep changes in bugfixes clean and compact to be able to easily review them and leave the possibility to cherry-pick the changes to another branch to fix a previous version. Don't clean dirty code along the way if not really needed to fix the problem.
    4. +
  4. If an issue requires a lot of code changes, consider breaking down these changes in logical steps. They are then easier to review, have more meaningful commit messages and partly deliver the intended value.
    5. +
  5. Don't mix refactoring with functional changes (new functionality, changes on features, bugfixes) within the same commit, since it makes reviewing the changes much harder. Usually the refactoring of existing code has to happen beforehand in at least one separate commit. Refactoring includes e.g. cleaning up and restructuring code or renaming.
    6. +
  6. If it helps, it is okay to have several branches and pull requests for the same ticket (usually one after another, sometimes to work in parallel or to prepare changes in advance).
    7. +
  7. If there is a finding concerning an issue which has been already closed, it will be reopened if that version is not yet released. You (or someone else) will have to quickly fix the finding before the version is released. If the version has been released already, the issue will stay closed and a new issue has to be filed.
    8. +
+

Picking Issues for Development

+

When picking tasks for development, you can either search the repository for existing issues that you would like to work on, or you can submit your own issues if you don't find any that cover your topic of interest (see the "Submitting an Issue" section of this guide). However, please note that issues need to fit our overall vision of the project.

+

Once you have chosen an issue that you want to work on, please adhere to the following process and ideally only start developing once it has been completed. This ensures that your development work is perfectly aligned with the current state and vision of the project, and will make the pull request review process as smooth as possible.

+
    +
  1. Leave a comment on the issue about your intention to implement it.
    2. +
  2. A member of the core development team will check the issue and might:
      +
    • Turn the issue into a discussion if they're not sure whether it fits the overall SORMAS vision or there are a lot of discussion points.
      • +
    • Ask for additional details to be added to the issue description if you have created the issue yourself and there are questions e.g. concerning its added value or the proposed solution.
      • +
    • Take the issue into internal refinement if it doesn't meet the Definition of Ready yet.
      • +
    +
    3. +
  3. If the issue meets the Definition of Ready, a member of the core development team adds the ready label and notifies you that you can start to implement it.
    4. +
+

Issues that are already marked with the ready label can theoretically be picked up for development immediately. However, please note that these issues will usually already be planned for one of the upcoming iterations and it's possible that we'll start development on it ourselves. This is especially true for issues that are assigned to one of the sprint backlog projects.

+

Submitting Pull Requests

+

Contributing to the SORMAS code requires you to submit pull requests that will be reviewed by one of our core developers. Once a pull request has been submitted to our repository, a developer will either assign themselves as its reviewer or we will get back to you in case we won't be able to review it in time. +This may e.g. happen if your pull request involves a lot of technical changes that we would like to merge together with other issues of the same nature or that could potentially break a lot of logic. Usually though, the general process looks like this:

+
    +
  1. A developer assigns themselves as the reviewer of your pull request (core developers assign each other). Please wait until the review is done; if you think that the review is taking too long, feel free to add a comment to the pull request as a reminder to the developer.
    2. +
  2. The developer might request changes to the code. If that's the case, please implement the requested changes or answer to their change request if you have questions or don't agree with a specific part of the request.
    3. +
  3. Once you've implemented all requested changes, please request another review by the assigned developer by clicking on the "Re-request review" icon next to their name. This step is necessary in order for the reviewer to be properly notified and for the pull request to show up in their review list again.
    4. +
  4. As soon as the developer is happy with the submitted code (which might require multiple iterations of step 2 and 3, especially for larger pull requests), they will merge it into the development branch and close the pull request.
    5. +
+

Please adhere to the following principles when submitting pull requests:

+
    +
  1. Only submit pull requests that are directly associated with one specific issue in our GitHub repository. If there is no issue for the development work that you would like to do, create one before you start working on it.
    2. +
  2. Link your pull request to the issue(s) that they are associated with. This can be done either by using the "Linked issues" section at the right side when viewing a pull request, or by adding the keyword "Closes" or "Fixes" followed by the issue number to the pull request description (e.g. "Fixes #1234").
    3. +
  3. Make sure that your pull request has a meaningful title. By default, GitHub will use your commit message as the title which might not be appropriate. In general, using the same name as the linked issue is a good rule of thumb.
    4. +
  4. Try to not use force-push when updating an existing pull request (e.g. after changes have been requested or because you need to resolve merge conflicts).
    5. +
  5. Ideally, your pull request should pass the checks done by the automatic CI pipeline before it gets reviewed. If that's not the case, please make sure that your branch is up-to-date with the current development branch. If the checks also fail for the development branch, you're not required to do anything. +In any other case, please fix the issues (most likely failed unit tests) before requesting another review.
    6. +
+

Development Workflow

+

For SORMAS we use the Gitflow development workflow.

+

General Gitflow Development Workflow

+

Versioning

+

For version numbers we use semantic versioning. The meaning of a given version number X.Y.Z is:

+
    +
  • X: Major version: Major changes, severe changes in API or technical architecture.
    • +
  • Y: Minor version: Usually a new release of a development iteration of a few weeks, containing new features and changes.
    • +
  • Z: Micro version: Fixing problems in the last minor version to make it properly or better to use. Usually contains only bugfixes.
    • +
+

Versions are defined as Git tags with release notes attached to the tag.

+

An unstable version currently under development is denoted as X.Y.Z-SNAPSHOT.

+

Branches

+

Permanent branches

+
    +
  • development: This is where the changes are commited/merged to by the developers.
    • +
  • master: In regular intervals, the changes from development are merged to master with an identifiable version (tag). On top of this branch is always the latest released version.
    • +
  • master-: In case an older version than the head version on master needs to be fixed (a new micro release), a dedicated master-<version> branch is split from master to manage the following micro releases (Example: master-1.75.x). Changes made on this branch are usually cherry-picked from a newer version (on master or development).
    • +
  • l10n_development: Incoming changes on translation files from Crowdin that are regularly merged into development.
    • +
+

Supporting branches

+
    +
  • release-: To manage changes when merging from development to master. Once the new version is merged to master, the release-<version> branch is automatically removed.
    • +
  • hotfix-: To manage changes that are needed on an already released version (on any master branch) that need to be fixed with a new micro release.
    • +
+

Some branches contain the concerned version in its name, examples: release-1.75.0, hotfix-1.75.1. To manage new versions, tools are used to automatically merge between branches and tag the new version. +Once the new version is merged to master/master-<version, the release-/hotfix- branch are automatically deleted. There is only one release- and only hotfix- branch allowed at same time (enforced by the used Maven plugin).

+

Implementation branches

+

These kind of branches are manually created and maintained by developers who work on an issue. Such branches are used to create pull requests or to review the changes before merged into a permanent or supporting branch. +* feature-1234_short_description: Any branch that is supposed to contribute to development or a hotfix branch.

+

Dependency Management

+

Dependencies are managed in Maven POM files. For most dependencies the version is defined in sormas-base/pom.xml. \ +sormas-app and sormas-e2e-tests use Gradle instead.

+

Automatic updates

+

Process: At the beginning of each iteration, look over all dependency update PRs created by dependabot and process them according to the following rules: +1. Always use "Rebase and merge" instead of creating a merge commit! If needed use the comment @dependabot rebase to rebase the PR to the latest development commit. +2. If all CI checks are successful, minor and micro version updates can be merged +3. For major version updates read the changelog to understand implications and possible migration steps of the update. \ + Decide on you own wheter it is necessary to manually test the PR before merging. +4. If CI checks are negative or migration steps are needed, decide whether the update is important enough to justify the effort of additional work. \ +If the PR is not needed, you can use @dependabot ignore this major version or @dependabot ignore this minor version.

+

Payara

+

All required dependencies provided by the Payara application server are set to "provided" in maven and may only be updated in combination with an update of the Payara version. \ +These dependencies have been added to the dependabot ignore list, so no dependency update PR is automatically created.

+

Keycloak

+

The Keycloak version in SORMAS-Project only defines the version of the Keycloak admin client library. When a new version of Keycloak is available this should be updated after the Keycloak version is SORMAS-Docker has been updated. \ +This can be tested locally by building the updated Keycloak docker image and then using it in a container together with a local Payara instance.

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Definition of Ready

+

In order to be eligible for being implemented in the current iteration, an issue has to be marked with the ready label. This label indicates that the issue fulfills our Definition of Ready, which consists of the following requirements:

+
    +
  • A representative title that summarizes what the issue is about
    • +
  • A dedicated ticket type according to the content of the issue: feature, change, bug, or task
    • +
  • All mandatory sections of the issue template are filled in with unambiguous information, i.e. without any points of discussion
    • +
  • Features/changes that involve significant innovative UI/UX work (e.g. new sections, new UI elements, new workflows) provide mockups that visually describe how the feature/change is supposed to look like
    • +
  • Issues that are technically complex have at least rough implementation details
    • +
  • The issue is appropriately labeled, i.e. with the affected part of the application (android-app, vaadin-app, or backend) and the functional and/or technical area(s) it affects
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Creating a demo app for a SORMAS demo server

+

Important: This only applies if you have setup your own SORMAS server for demo purposes and and want to give users easy access to it.

+

Step 1: Adjust the sormas-app.properties

+
    +
  1. Open the the apk file from the SORMAS release with a zip editor (e.g. 7zip).
    2. +
  2. Extract sormas-app.properties and open the the file for editing.
    3. +
  3. Set server.url.default to the URL of your SORMAS server's ReST interface.
    4. +
  4. Set user.name.default and user.password.default to the demo user (needs to be an informant or officer).
    5. +
  5. Overwrite the sormas-app.properties in the apk with your changed version.
    6. +
+

Step 2: Sign the changed apk file

+

Since the apk file has been changed it needs to be signed again.\ +Important: When you change and sign the apk file it is no longer compatible with the original apk file for automatic app update! If you still want to make this work you always have to sign new versions using the same keystore and put the changed apk-file into your SORMAS server for automatic app update.\

+
    +
  1. Create a keystore using keytool: keytool -genkey -v -keystore my-demo-key.jks -keyalg RSA -keysize 2048 -validity 10000 -alias my-alias
    +

    Note: keytool is located in the bin/ directory in your JDK. To locate your JDK from Android Studio, select File > Project Structure, and then click SDK Location and you will see the JDK location.

    +
    +
    2. +
  2. Download uber-apk-signer: https://github.com/patrickfav/uber-apk-signer/releases.
    +

    Note: this is the convenient way to do it. You can also get an Android SDK and follow the instructions given here

    +
    +
    3. +
  3. Sign the apk file: java -jar uber-apk-signer.jar --ks my-demo-key.jks -ksAlias my-alias --allowResign --apks sormas-version-demo.apk
    +

    See also: https://github.com/patrickfav/uber-apk-signer#command-line-interface

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Development Environment Setup

+

This step-by-step guide explains how to set up your development environment, using either Eclipse or IntelliJ for the backend and web UI and Android Studio for the mobile app. Please follow it strictly to make sure that development will run as smoothly as possible and your code adheres to our guidelines.

+

Please note that these instructions are optimized for Windows and Linux systems. If you're developing on a Mac and, we would be glad to get your feedback about how this guide can be extended with OS-specific instructions through our GitHub Discussions.

+

Step 1: Check Out the SORMAS Repository

+
    +
  • Download and install the latest Git version for your operating system
    • +
  • Optional: Install a Git client such as TortoiseGit or GitHub Desktop if you don't want to handle version control from the command-line or within your IDE
    • +
  • Optional: Clone the SORMAS-Project repository with git clone https://github.com/sormas-foundation/SORMAS-Project.git; if you want to use Git from within your IDE, you can also clone the repository in Step 4
    • +
  • Open Git Bash and execute the following command to ensure that rebase is used when pulling the development branch rather than merge: git config --global branch.development.rebase true
    • +
+

Step 2: Install Java

+

Download and install the Java 11 JDK (not JRE) for your operating system, which is also needed for the Server Setup. +We suggest using Zulu OpenJDK. If you're running Linux, please refer to the official documentation on how to install Zulu OpenJDK on your system.

+

Note: To work with the Android app JDK 17 is needed for the gradle build. The needed JDK is part of Android Studio, thus there is no need to manually install it.

+

The SORMAS CI is using JDK 17 to build all modules. The only known difference though are slight differences in the Java time API that affect unit tests, so again there is no need to setup two JDKs on your local system.

+

Step 3: Install Maven

+

The scripts in sormas-base/dev expect mvn as command-line tool. +Download and install Maven for your operating system, see binaries.

+

Step 4: Install a Local SORMAS Server

+

Please follow the Server Installation Instructions to set up a local SORMAS instance that you will use to test your code. Alternatively, you can also use Maven Cargo, or a Docker installation (not recommended at this time).

+

Step 5: Install and Configure Your IDE

+

IntelliJ

+
    +
  • Download and install the latest IntelliJ IDEA Ultimate; (newer than version of 2020-04-15 to enable debugging, see https://youtrack.jetbrains.com/issue/IDEA-216528)
    • +
  • Set the project SDK to the installed JDK
    • +
  • Optional: Clone the SORMAS-Project repository if you haven't done so already
    • +
  • Open the project in IntelliJ. Make sure the project is recognized by IntelliJ as a maven project; if not, right-click the pom.xml file in sormas-base and select Add as maven project.
    • +
  • Make sure that under File -> Project Structure -> Modules all modules EXCEPT sormas-app are recognized; if not, add the missing modules with the + button
    • +
  • Navigate to File -> Settings -> Plugins and make sure that Glassfish integration is enabled
    • +
  • Make a copy of sormas-base/dev.env.example, rename it to dev.env and set GLASSFISH_DOMAIN_ROOT to the location of the SORMAS domain inside your Payara installation
    • +
  • Run mvn install on the sormas-base project (e.g. by opening the Maven view and executing sormas-base -> Lifecycle -> install). \ + Alternatively, execute the dev/build.sh script. You can create a run configuration and use the Git bash executable as interpreter to directly run it from the IDE.
    • +
  • Execute dev/deploy-serverlibs.sh script
    • +
  • Add a Payara server to IntelliJ:
    • +
  • Open Run -> Edit Configurations, add a new configuration and choose the Glassfish server template
    • +
  • Click on Configure next to Application server and create a new server configuration by selecting your Payara installation directory
    • +
  • Check the After launch checkbox and specify the browser that you want SORMAS to open in once the server has been deployed
    • +
  • Enter http://localhost:6080/sormas-ui into the URL field
    • +
  • Make sure that the correct JRE is specified (your Java 11 JDK)
    • +
  • Enter the path to the SORMAS domain and the credentials that you've specified when setting up the server
    • +
  • Open the Deployment tab and add the artifacts sormas-ear, sormas-rest and sormas-ui (make sure to respect this order as there are dependencies between artifacts at startup)
    • +
  • Open the Logs tab and add a new log file pointing to the logs/server.log file in your SORMAS domain
    • +
  • Open the Startup/Connection tab and make sure that Pass environment variables is NOT checked; ignore warnings about the debug configuration not being correct
    • +
  • Open the config/domain.xml file in your domain directory and make sure that the java-config node contains the following code: <java-config classpath-suffix="" debug-enabled="true" debug-options="-agentlib:jdwp=transport=dt_socket,address=6009,server=n,suspend=y" ...
    • +
  • Set the default working directory for run configurations by navigating to Run -> Edit Configurations -> Templates -> Application and setting Working directory to $MODULE_WORKING_DIR$
    • +
  • Optional: Setup database access from Intellij: Open View -> Tool View -> Database, click on + icon and select DataSource -> PostgreSQL and configure the database (set user and password and download the missing driver files if needed)
    • +
+

Known issues

+
    +
  • The first time you build the project in IntelliJ, you have to switch the java compiler to "Eclipse" to workarround a dependency resolution problem in sormas-api.
    • +
+

Eclipse

+
    +
  • Download and install the latest Eclipse IDE for Enterprise Java and Web Developers
    • +
  • Set the default JRE of Eclipse to the installed JDK: Assigning the default JRE for the workbench
    • +
  • Optional: Clone the SORMAS-Project repository if you haven't done so already via File -> Import -> Git -> Projects from Git and cancel the process when you're asked to create a new project from the cloned repository
    • +
  • Import the projects from the SORMAS-Project repository into your workspace via File -> Import -> Maven -> Existing Maven Projects
    • +
  • Install the Payara Tools plugin
    • +
  • Install the Vaadin Plugin for Eclipse; the commercial UI designer is not needed
    • +
  • Add a Payara server to Eclipse and enter the credentials you specified when setting up the local SORMAS server
    • +
  • Make a copy of sormas-base/dev.env.example, rename it to dev.env and set GLASSFISH_DOMAIN_ROOT to the location of the SORMAS domain inside your Payara installation
    • +
  • Either run mvn install on the sormas-base project or execute the dev/build.sh script (for example with Git Bash)
    • +
  • Execute dev/deploy-serverlibs.sh script
    • +
  • Highlight all Eclipse projects and choose Maven -> Update Project from the right-click menu; perform the update for all projects
    • +
  • Start the Glassfish server and deploy sormas-ear, sormas-rest and sormas-ui by dragging the respective projects onto it, or use the Add and Remove... function by right-clicking on the server (make sure to respect this order as there are depdendencies between artifacts at startup)
    • +
  • Open your browser and type in http://localhost:6080/sormas-ui to test whether the server and IDE have been set up correctly
    • +
+

Android Studio

+

Please note: You only need to install Android Studio if you're developing code for the Android app. This is likely the case when you're adding new fields or entities to the system, or if you specifically want to work on the mobile app.

+
    +
  • Download and install the latest Android Studio version
    • +
  • Please make sure to run the installer with admin rights if you're using Windows
    • +
  • Ensure that the Android SDK installation path does not contain whitespaces; you can also change this later via Tools -> SDK Manager -> Android SDK Location
    • +
  • Open Android Studio and import the sormas-app module from the SORMAS-Project repository
    • +
  • Make a copy of keystore.properties.example and rename it to keystore.properties
    • +
  • Make sure to use the JDK version 11 (File -> Project Structure -> SDK Location -> JDK Location)
    • +
  • Build the Android Studio project by executing the Gradle build (this may be done automatically)
    • +
  • Add an emulator and set the SDK version to the minSdkVersion or targetSdkVersion from build.gradle; we suggest to test your code on both, but minSdkVersion should be preferred to ensure compatibility to the minimum supported SDK
    • +
  • Click on Run 'app' to install and run the app on your emulator; enter http://10.0.2.2:6080/sormas-rest as the server URL when you start the newly installed app for the first time
    • +
+

Important: Whenever you do or pull changes in the sormas-api project that you want to use in the mobile app or that are referenced there already, you need to execute the dev/build.sh script to notify the sormas-app project of the changes.

+

Step 6: Configure Code Formatting and Import Settings

+

In order to ensure a consistent code style and prevent so-called edit wars, we have set up custom configuration files for automatic code formatting and import ordering. Please make sure to adhere to the following steps for your IDE(s) before you start developing.

+

IntelliJ and Android Studio Settings

+
    +
  • Install the Eclipse Code Formatter for IntelliJ/Android Studio plugin
    • +
  • Open the plugin settings via File -> Settings -> Other Settings -> Eclipse Code Formatter and select Use the Eclipse Code Formatter
    • +
  • Under Eclipse formatter config, choose Eclipse workspace/project folder or config file and select sormas-base/java-formatter-profile.xml
    • +
  • Check Optimize Imports
    • +
  • Under Import order, choose From file and select sormas-base/java-importorder-profile.importorder
    • +
  • Make sure that Do not format other file types by IntelliJ formatter is selected
    • +
  • Go to Editor -> Code Style -> Java -> Imports and set Class count to use import with '*' and Names count to use static import with '*' to 99
    • +
  • Navigate to Editor -> General -> Auto Import and disable Optimize imports on the fly
    • +
+

Optional, but strongly recommended: +- Install the Save Actions plugin that automatically applies code formatting and import reordering whenever you save a file - otherwise you will manually have to do so (by default with Ctrl+Alt+L) +- Open the plugin settings via File -> Settings -> Other Settings -> Save Actions and make sure that the first three checkboxes under General and the first two checkboxes under Formatting Actions are selected

+

Eclipse Settings

+
    +
  • Open Window -> Preferences
    • +
  • Navigate to Java -> Code Style -> Formatter, import sormas-base/java-formatter-profile.xml and apply the changes
    • +
  • Navigate to Java -> Code Style -> Organize Imports and import sormas-base/java-importorder-profile.importorder
    • +
  • On the same screen, set Number of imports needed for .* and Number of static imports needed for .* to 99
    • +
  • On the same screen, make sure that Do not create import for types starting with a lowercase letter is checked and apply the changes
    • +
  • Navigate to Java -> Editor -> Save Actions and make sure that the following options are selected: Perform the selected actions on save, Format source code, Format all lines and Organize imports
    • +
+

Issues which can appear during installation process of the project

+
    +
  1. +

    If debug mode does not work: To replace opt\payara5\glassfish\modules\launcher.jar with sormas-base/setup/launcher.jar

    +
    2. +
  2. +

    For Windows: Please check your java_version. In case if you have the multiple java_versions installed on the system, it will always show to you the first version installed. + I had the java 8 instead of 11. + In order to fix it, go to environment variables, and move the 11 version up. And rerun the script. Seems that the console is reading those variables at the starting point, and the values of it can be updated only after console/script restart.

    +
    3. +
  3. +

    For Windows: Pay attention to the postgres SQL files rights permissions after unziping the downloaded ZIP archive. Files physically were present but next script error has been generated: + psql:setup.sql:7: ERROR: could not open extension control file "C:/Program Files/PostgreSQL/10/share/extension/temporal_tables.control": No such file or directory + -I checked the file rights, and under windows they has AV attribute, however, all others has only A attribute. When I was trying to open them with Notepad++ it was saying that such file does not exist. Do you want to create it? If yes will be pressed - another message saying that the file exists, appeared. Very strange scenario...

    +
    4. +
  4. +

    All the postgres commands (of added users, etc.) which were added at first startup of the application - will raise errors in case if such entity exists. Just ignore those errors at repeated installation of .\server-setup.sh

    +
    5. +
  5. +

    Check always the port number 6048 which can be occupied by an old instance of payara. + -> For every installation, kill all Java/javaw processes and check the availability of 6048 port number. + -> Delete files with generated domain folders and payara. In order to have a clean installation of each next ./server-setup.sh run.

    +
    6. +
  6. +

    For the sormas-base/dev scripts Maven needs to be installed as command-line tool or defined in sormas-base/dev.env as MVN_BIN which Maven to be used.

    +
    7. +
  7. +

    For eclipse formatted plugin, there is an issue for Idea: https://plugins.jetbrains.com/plugin/6546-eclipse-code-formatter - cannot save settings Path to custom eclipse folder is not valid - it works only when settings were saved from down to up. And not vice versa.

    +
    8. +
+

If something is still not working: + -> Stop the payara domain, run dev/deploy-serverlibs.sh to update libs + -> clean up (delete all from domains/sormas/autodeploy, domains/sormas/applications, domains/sormas/generated, and domains/sormas/osgi-cache) try to build again by executing mvn clean install -DskipTests on the sormas-base module + -> start the domain and deploy again

+

Avoid redeployment problems

+

Problem: Due to currently a not mitigated problem, it is only possible to deploy the sormas-ear.ear (contains sormas-backend) once without problems. If you undeploy it and deploy sormas-ear.ear again, the other artifacts sormas-uiand sormas-rest cannot successfully call the backend.

+

Workaround: Undeploy sormas-ear and all other sormas artifacts, restart the Payara domain, deploy sormas-ear again (the same or changed version).

+

Symptom: This exception occurs when sormas-ui or sormas-rest calls the sormas-backend.

+
Caused by: java.lang.IllegalArgumentException: Can not set java.util.Properties field de.symeda.sormas.backend.common.ConfigFacadeEjb.props to de.symeda.sormas.backend.common.ConfigFacadeEjb
+    at java.base/jdk.internal.reflect.UnsafeFieldAccessorImpl.throwSetIllegalArgumentException(UnsafeFieldAccessorImpl.java:167)
+    at java.base/jdk.internal.reflect.UnsafeFieldAccessorImpl.throwSetIllegalArgumentException(UnsafeFieldAccessorImpl.java:171)
+    at java.base/jdk.internal.reflect.UnsafeFieldAccessorImpl.ensureObj(UnsafeFieldAccessorImpl.java:58)
+    at java.base/jdk.internal.reflect.UnsafeObjectFieldAccessorImpl.set(UnsafeObjectFieldAccessorImpl.java:75)
+    at java.base/java.lang.reflect.Field.set(Field.java:780)
+   at com.sun.enterprise.container.common.impl.util.InjectionManagerImpl._inject(InjectionManagerImpl.java:594)
+
+

Additional info: +- You can undeploy and deploy all other modules without restarting the Payara domain, as long as nothing changes on sormas-ear (implicates sormas-api and sormas-backend). +- The problem occurs no matter if you deploy directly from your IDE or as packaged ears/wars into the autodeploy directory. +- Related ticket: #2511

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External Message Adapter Implementation Guide

+

The project

+

A minimal maven project structure for an external message adapter module is shown below:

+
  my-message-adapter
+  |-- src
+    |   |-- main
+    |   |   |-- java
+    |   |   |   |-- my.project
+    |   |   |   |   |-- MyExternalMessageFacadeEjb.java
+    |   |   |-- resources
+    |   |   |   |-- version.txt
+    |   |-- test
+    |   |   |-- java
+    |   |   |   |-- my.project
+    |   |   |   |   |-- MyMessageAdapterTest.java
+    |   |   |-- resources
+    |-- pom.xml    
+
+
+

MyMessageAdapter.java

+

This is the main class of the external message adapter module. +It must implement the ExternalMessageAdapterFacade interface from the sormas-api module.

+

For more information please refer to the javadoc on the ExternalMessageAdapterFacade interface.

+

Example:

+
package my.project;
+
+import de.symeda.sormas.api.externalmessage.ExternalMessageAdapterFacade;
+import de.symeda.sormas.api.externalmessage.ExternalMessageDto;
+import de.symeda.sormas.api.externalmessage.ExternalMessageResult;
+
+import javax.ejb.Stateless;
+import java.io.BufferedReader;
+import java.io.InputStreamReader;
+import java.nio.charset.StandardCharsets;
+import java.util.Collections;
+import java.util.Date;
+import java.util.List;
+import java.util.Objects;
+import java.util.stream.Collectors;
+
+@Stateless(name = "MyExternalMessageFacade")
+public class MyExternalMessageFacadeEjb implements ExternalMessageAdapterFacade {
+
+    @Override
+    public ExternalMessageResult<List<ExternalMessageDto>> getExternalMessages(Date since) {
+        return new ExternalMessageResult<>(Collections.emptyList(), new Date(), true, null);
+    }
+
+    @Override
+    public ExternalMessageResult<String> convertToHTML(ExternalMessageDto message) {
+        return new ExternalMessageResult<>("", new Date(), true, null);
+    }
+
+    @Override
+    public ExternalMessageResult<byte[]> convertToPDF(ExternalMessageDto message) {
+        return new ExternalMessageResult<>(new byte[0], new Date(), true, null);
+    }
+
+    @Override
+    public String getVersion() {
+        return new BufferedReader(
+                new InputStreamReader(
+                        Objects.requireNonNull(MyExternalMessageFacadeEjb.class.getResourceAsStream("/version.txt")),
+                        StandardCharsets.UTF_8)).lines().collect(Collectors.joining("\n"));
+    }
+}
+
+

version.txt

+

This file contains the template string that describes this modules version. +It is used by the SORMAS server to display the version of configured external message module's version on the about page. +SORMAS also uses the version method for doing an availability check.

+

You can use the maven resource filtering to replace placeholders in the version.txt file with values from the pom.xml file.

+

Example:

+
${project.name} ${project.version}
+
+

pom.xml

+

This is the maven project configuration file.

+

The sormas-api must be added as a dependency to your project in order to be able to implement the ExternalMessageAdapterFacade interface.

+

Example with default dependencies for java-ee, sormas-api, logging and testing:

+
+Expand to see below the whole file content + + +
    <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+        <modelVersion>4.0.0</modelVersion>
+
+        <properties>
+            <sormas.version>1.85.0</sormas.version>
+            <warName>my-message-adapter</warName>
+
+            <javaee.version>8.0</javaee.version>
+            <slf4j.version>1.7.30</slf4j.version>
+            <junit.version>4.13.1</junit.version>
+        </properties>
+
+        <groupId>my.project</groupId>
+        <artifactId>my-message-adapter</artifactId>
+        <name>${project.artifactId}</name>
+        <packaging>war</packaging>
+        <version>0.1.0-SNAPSHOT</version>
+
+        <dependencies>
+            <dependency>
+                <groupId>javax</groupId>
+                <artifactId>javaee-web-api</artifactId>
+                <version>${javaee.version}</version>
+            </dependency>
+
+            <dependency>
+                <groupId>${project.groupId}</groupId>
+                <artifactId>sormas-api</artifactId>
+                <version>${sormas.version}</version>
+            </dependency>
+
+            <dependency>
+                <groupId>org.slf4j</groupId>
+                <artifactId>slf4j-api</artifactId>
+                <version>${slf4j.version}</version>
+            </dependency>
+
+            <dependency>
+                <groupId>junit</groupId>
+                <artifactId>junit</artifactId>
+                <version>${junit.version}</version>
+                <scope>test</scope>
+            </dependency>
+            ...
+        </dependencies>
+
+        <build>
+            <finalName>${project.artifactId}</finalName>
+            ...
+        </build>
+</project>
+
+ + + + +

+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <properties>
+        <sormas.version>1.85.0</sormas.version>
+        <warName>my-message-adapter</warName>
+
+        <junit.version>4.13.1</junit.version>
+        <mockito.version>3.6.0</mockito.version>
+        <assertj.version>3.18.1</assertj.version>
+
+        <commons-lang.version>3.11</commons-lang.version>
+        <commons-io.version>2.8.0</commons-io.version>
+        <slf4j.version>1.7.30</slf4j.version>
+        <javaee.version>8.0.1</javaee.version>
+
+        <maven.compiler.source>11</maven.compiler.source>
+        <maven.compiler.target>11</maven.compiler.target>
+        <productionBranch>master</productionBranch>
+    </properties>
+
+    <groupId>my.project</groupId>
+    <artifactId>my-message-adapter</artifactId>
+    <name>${project.artifactId}</name>
+    <packaging>war</packaging>
+    <version>0.1.0-SNAPSHOT</version>
+
+    <repositories>
+        <repository>
+            <id>central</id>
+            <name>bintray</name>
+            <url>https://jcenter.bintray.com</url>
+            <snapshots>
+                <enabled>false</enabled>
+            </snapshots>
+        </repository>
+    </repositories>
+
+    <dependencies>
+
+        <dependency>
+            <groupId>javax</groupId>
+            <artifactId>javaee-web-api</artifactId>
+            <version>${javaee.version}</version>
+        </dependency>
+
+        <dependency>
+            <groupId>org.slf4j</groupId>
+            <artifactId>slf4j-api</artifactId>
+            <version>${slf4j.version}</version>
+        </dependency>
+
+        <dependency>
+            <groupId>${project.groupId}</groupId>
+            <artifactId>sormas-api</artifactId>
+            <version>${sormas.version}</version>
+        </dependency>
+
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <version>${junit.version}</version>
+            <scope>test</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>org.mockito</groupId>
+            <artifactId>mockito-core</artifactId>
+            <version>${mockito.version}</version>
+            <scope>test</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>org.mockito</groupId>
+            <artifactId>mockito-inline</artifactId>
+            <version>${mockito.version}</version>
+            <scope>test</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>org.assertj</groupId>
+            <artifactId>assertj-core</artifactId>
+            <version>${assertj.version}</version>
+            <scope>test</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>org.jsoup</groupId>
+            <artifactId>jsoup</artifactId>
+            <version>1.14.2</version>
+            <scope>compile</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>org.hamcrest</groupId>
+            <artifactId>hamcrest-library</artifactId>
+            <version>1.3</version>
+            <scope>test</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>org.apache.maven</groupId>
+            <artifactId>maven-model</artifactId>
+            <version>3.8.4</version>
+            <scope>test</scope>
+        </dependency>
+
+    </dependencies>
+
+    <build>
+        <finalName>${project.artifactId}</finalName>
+
+        <!-- Provide version.txt that can be read for returning the desired version string of this module -->
+        <resources>
+            <resource>
+                <directory>src/main/resources</directory>
+                <filtering>true</filtering>
+                <includes>
+                    <include>**/version.txt</include>
+                </includes>
+            </resource>
+            <resource>
+                <directory>src/main/resources</directory>
+                <filtering>false</filtering>
+                <excludes>
+                    <exclude>**/version.txt</exclude>
+                </excludes>
+            </resource>
+        </resources>
+
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-war-plugin</artifactId>
+                <version>3.2.3</version>
+                <configuration>
+                    <warName>${warName}</warName>
+
+                    <filteringDeploymentDescriptors>true</filteringDeploymentDescriptors>
+                    <webResources>
+                        <resource>
+                            <directory>src/main/webapp</directory>
+                            <targetPath>/</targetPath>
+                            <filtering>false</filtering>
+                        </resource>
+                    </webResources>
+                </configuration>
+            </plugin>
+            <plugin>
+                <groupId>com.amashchenko.maven.plugin</groupId>
+                <artifactId>gitflow-maven-plugin</artifactId>
+                <version>1.15.1</version>
+                <configuration>
+                    <gitFlowConfig>
+                        <productionBranch>${productionBranch}</productionBranch>
+                        <developmentBranch>development</developmentBranch>
+                        <featureBranchPrefix>feature-</featureBranchPrefix>
+                        <releaseBranchPrefix>release-</releaseBranchPrefix>
+                        <hotfixBranchPrefix>hotfix-</hotfixBranchPrefix>
+                        <versionTagPrefix>v</versionTagPrefix>
+                    </gitFlowConfig>
+                    <commitMessagePrefix>[GITFLOW]</commitMessagePrefix>
+                    <useSnapshotInHotfix>true</useSnapshotInHotfix>
+                </configuration>
+            </plugin>
+
+            <!-- Code Coverage / activate Integration Tests -->
+            <plugin>
+                <artifactId>maven-failsafe-plugin</artifactId>
+                <version>2.19.1</version>
+                <executions>
+                    <execution>
+                        <id>integration-test</id>
+                        <phase>integration-test</phase>
+                        <goals>
+                            <goal>integration-test</goal>
+                        </goals>
+                    </execution>
+                    <execution>
+                        <id>verify</id>
+                        <phase>verify</phase>
+                        <goals>
+                            <goal>verify</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
+
+            <plugin>
+                <groupId>org.jacoco</groupId>
+                <artifactId>jacoco-maven-plugin</artifactId>
+                <version>0.8.5</version>
+                <inherited>true</inherited>
+                <executions>
+                    <execution>
+                        <id>prepare-coverage</id>
+                        <phase>generate-test-sources</phase>
+                        <goals>
+                            <goal>prepare-agent</goal>
+                        </goals>
+                    </execution>
+                    <execution>
+                        <id>analyze-coverage</id>
+                        <phase>verify</phase>
+                        <goals>
+                            <goal>report</goal>
+                        </goals>
+                    </execution>
+                    <execution>
+                        <id>prepare-coverage-integration</id>
+                        <phase>pre-integration-test</phase>
+                        <goals>
+                            <goal>prepare-agent-integration</goal>
+                        </goals>
+                    </execution>
+                    <execution>
+                        <id>analyze-coverage-integration</id>
+                        <phase>post-integration-test</phase>
+                        <goals>
+                            <goal>report-integration</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
+        </plugins>
+    </build>
+</project>
+
+ +
+ +

Deploying into the sormas domain

+

Set the interface.demis.jndiName in the sormas.properties of your SORMAS domain. +This JNDI name should match the location the external message ejb implemented in the module. +Following the above example project it would be:

+
interface.demis.jndiName=java:global/my-message-adapter/MyExternalMessageFacade
+
+

After changing the sormas.properties, restart the SORMAS domain then deploy your module.

+

Deploying in your local development environment

+
    +
  • in your IDE, import the module to your SORMAS-Project
    • +
  • make the module deploy on your glassfish server (add it just next to sormas-rest, sormas-ui and sormas-ear war files)
    • +
+

After that, you should be able to build and deploy SORMAS with your module. +If you want to exclude your module from the build, that can be done in IntelliJ as follows: +File -> Settings -> Build, Execution, Deployment -> Compiler -> Excludes

+

Deploying in your payara domain

+
    +
  • build the project with maven
    • +
  • deploy the built .war file in the sormas domain of your payara server
    • +
+

Testing the deployment

+

In the SORMAS web interface, go to the About menu, and you must see a green checkmark next to the External message adapter label and your module's version text provided by implementing the ExternalMessageAdapterFacade::getVersion method.

+

e.g.: +screenshot

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SORMAS Translation FAQ

+

Who is translating SORMAS?

+

The translation of SORMAS relies on people from the community. If you would like to see SORMAS translated to your language, please read the points below and take part in the process.

+

How is SORMAS translated?

+

The official SORMAS translation is done using the Crowdin platform: https://crowdin.com/project/sormas

+

All translations done on the platform are automatically fed into SORMAS and are part of the bi-weekly release schedule. +This means that any text you translate will likely be part of the next SORMAS release. Once your server (or the server of your country) is updated you will be able to see the translations in the web app and mobile app.

+

How to participate in translating SORMAS

+

You can join the translation project by creating a free account on Crowdin. You can also use your existing GitHub account. Before starting to translate, you need to request write access to the project. A member of the project will either accept your request or get in touch with you as soon as possible.

+

Afterwards open the SORMAS project https://crowdin.com/project/sormas and select the language you would like to translate.

+

You will see all files that contain translatable texts:

+

SORMAS translation files

+

The most important one is captions.properties. It contains the captions for all the data entry fields of SORMAS. The captions are shared by the web app and mobile app.

+

Click on the file to open the Crowdin editor that allows you to go through all translation entries one by one as shown in the picture below:

+

SORMAS translation editor

+

How to add a new language to SORMAS

+

If the language you would like to translate is not available yet, please get in contact with us at info@sormas.org, through our community at https://community.sormas.org, or by creating an issue on the main repository at: https://github.com/sormas-foundation/SORMAS-Project

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Security Policies and Procedures

+

This document outlines security procedures and general policies for the SORMAS +project.

+ +

If you want to report a bug which is not security sensible, please submit an issue.

+

Reporting a Security Bug

+

Our team and community take all security bugs in SORMAS seriously. +Thank you for improving the security of SORMAS. We appreciate your efforts and +responsible disclosure and will make every effort to acknowledge your +contributions. +Unfortunately, SORMAS does not offer a paid bug bounty programme or other forms of compensation.

+

Report security bugs by emailing at security@sormas.org.

+

We will acknowledge your email and follow up with a response within 10 business days, or explain why a reply may take longer. The response will indicate the next steps in handling your report. +After the initial reply to your report, the security team will endeavor to keep you informed of the progress towards a fix and full announcement, and may ask for additional information or guidance.

+

Report security bugs in third-party modules to the person or team maintaining +the module.

+

Disclosure Policy

+

When the security team receives a security bug report, they will assign it to a +primary handler. This person will coordinate the fix and release process, +involving the following steps:

+
    +
  • Confirm the problem and determine the affected versions.
    • +
  • Audit code to find any potential similar problems.
    • +
  • Prepare fixes for all releases still under maintenance. These fixes will be + released as fast as possible.
    • +
+

Comments on this Policy

+

If you have suggestions on how this process could be improved please submit a +pull request.

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Configuring and Customizing a SORMAS Server

+

SORMAS has been created and is developed as an international system that can potentially be used everywhere in the world. However, every country naturally has its own requirements and processes, and in addition, there is a set of information that needs to be specified before a SORMAS instance can function properly. +For this reason, there are a number of ways in which such a SORMAS instance can be configured and customized:

+
    +
  • Server Configuration: The basic server configuration is available as a .properties file, needs to be adjusted for every SORMAS instance, and is relevant for both production and development. This should be edited directly after installing the server.
    • +
  • Feature Configuration: Most SORMAS features are optional and can be turned on or off directly in the database.
    • +
  • Disease Configuration: SORMAS supports a large number of infectious diseases which can be enabled or disabled and further customized directly in the database.
    • +
  • Deletion Configuration: SORMAS can be configured to automatically delete entities in the database.
    • +
  • Infrastructure Data: Most infrastructure data (except countries and continents) are not shipped with SORMAS because they are country-specific. Importing the infrastructure data of your country (or creating some dummy data) is one of the first things you should do after setting up a SORMAS server.
    • +
+

Beyond that, the Wiki contains even more customization options:

+ +

Server Configuration

+

The general SORMAS configuration is stored in the sormas.properties file that you can find in your payara domain folder. When you set up a new SORMAS server, please make sure to go over all entries in that file and adjust their values if necessary. +Each property has an explanation telling you its purpose, and some of them also have a default value that you can use to revert the changes you've made.

+

Most of these properties are commented (indicated by a # in front of their name and value), which means that the default value will automatically be used (e.g. the path to temporary files on the server) or the associated feature will not be used at all (e.g. the custom branding properties or the configuration of an external symptom journal). +Some properties however are not commented, but also don't have a default value. It is strongly recommended to enter values for these properties because they are required for some parts of SORMAS to work correctly, or because they are very specific to your individual SORMAS instance. +This especially applies to the country.locale and country.name properties, which will cause serious problems while using the application if left empty.

+

Important: The sormas.properties file contains all properties that existed in the SORMAS version that you initially installed on your server. New properties added in more recent SORMAS versions are not automatically added! If you're operating a SORMAS server, we strongly suggest to read the release notes of new versions. +If properties have been added to this file, they will be communicated in these notes so that you can add them to your properties file.

+

This Wiki page contains a list and explanation of all currently configurable properties.

+

Feature Configuration

+

Some of the features of SORMAS can be enabled or disabled to further customize the system. Right now, this is only possible directly in the featureconfiguration table in the database. This table contains one entry for every configurable feature and is automatically populated during server startup. Setting the enabled to true or false will enable or disable the feature, respectively. +Changes are immediately applied to the running system and don't require a server restart.

+

The columns region, district, disease and enddate are currently only applicable for the line listing feature and define the scope in which the line listing is used. Line listing is configurable from the user interface and does not need to be manually edited in the database.

+

Important: If you're using the mobile app, you also need to update the changedate to the current date and time whenever you enable or disable a feature! Otherwise the mobile applications will not be notified about the change.

+

This Wiki page contains a list and explanation of all currently configurable features.

+

Disease Configuration

+

SORMAS supports a wide range of diseases, and not all of those might be relevant to every SORMAS instance or might be used in a different context. As with features, configuring diseases is currently only possible directly in the database via the diseaseconfiguration table. All diseases have a default value for each of their properties that is applied when the respective database entry is empty. +Changing these entries overrides that default value. Unlike with features, disease configurations are cached and therefore require you to restart the server before they are applied.

+

Important: If you're using the mobile app, you also need to update the changedate to the current date and time whenever you change a disease configuration! Otherwise the mobile applications will not be notified about the change.

+

This Wiki page contains a list and explanation of all currently configurable disease properties.

+

Deletion Configuration

+

SORMAS can be set up to automatically delete entities after a specific time period. +There are seven core entities for which automatic deletion can be enabled and configured: Case, Contact, Event, Event Participant, Immunization, Travel Entry, and Campaign. +This configuration is currently only possible directly in the database via the deleteconfiguration table, which already contains rows for each of these entities. +The table consists of the following columns:

+
    +
  • entityType: The name of the entity that supports automatic deletion.
    • +
  • deletionReference: The reference date for the calculation of the date on which deletion takes place (see below).
    • +
  • deletionPeriod: The number of days after which an entity is deleted, starting with the deletion reference. The minimum is 7.
    • +
+

Both deletionReference and deletionPeriod need to be filled in order for the automatic deletion to take place. Entities for which at least one of these fields is left empty will not be automatically deleted. Deletion is executed via a nightly cron job and might therefore not happen immediately when the deletion date has been reached.

+

Deletion Reference

+

The deletionReference field has four possible values which define the date that is used to calculate whether an entity needs to be deleted (i.e., when the date calculated by subtracting the deletion period from the current date is before the deletion reference date, the entity is deleted). +A MANUAL_DELETION entry can exist in parallel to one of the other entries, and if both entries are configured, deletion is executed as soon as the threshold of one of these entries is met.

+
    +
  • CREATION: The creation date of the entity will be used.
    • +
  • END: The latest change date of the entity itself and any of its depending entities will be used. E.g. for cases, this includes but is not limited to its epi data, symptoms, or hospitalization.
    • +
  • ORIGIN: This is currently only implemented for travel entries and means that the arrival date of the entity will be used. If this is specified for any other entity, the deletion job will be stopped and throw an error.
    • +
  • REPORT: The report date of the entity will be used. This is currently not implemented for event participants and campaigns.
    • +
  • MANUAL_DELETION: The date on which the entity was manually deleted by a user.
    • +
+

Infrastructure Data

+

When you start a SORMAS server for the first time and the createDefaultEntities property is enabled, some default infrastructure data is generated to ensure that the server is usable and the default users can be created. +It is recommended (and, unless you're working on a demo server, necessary) to archive this default data and import the official infrastructure data of the country or part of the country that you intend to use SORMAS in instead.

+

SORMAS by default splits infrastructure data into four mandatory categories. Starting from the highest administrative division, these are Regions, Districts, Communities, and Health Facilities. +In addition, Points of Entry represent places like harbors and airports where people are frequently entering the country, while Laboratories are technically health facilities that are specifically used for sample testing purposes. The Area infrastructure type can be enabled in the feature configuration and adds another optional layer of infrastructure above Regions. +Finally, it is possible to add Countries, Subcontinents and Continents to your system if you also want to collect data from outside the country SORMAS is used in (e.g. because you want to record travels or events).

+

Importing Infrastructure

+

To import your data for one of the administrative divisions, log in as the default admin user (which is created even when createDefaultEntities is disabled) and open the Configuration menu. Open any of the tabs for the infrastructure data you want to import and click on the Import button on the top right. +You can download an import guide from within the popup window that will be opened, containing detailed instructions about the import process and the steps you need to go through in order to successfully import your data.

+

Make sure that you always start with the highest administrative division when importing (i.e. at least Countries if you want to collect data from other countries as well, Areas if enabled, or Regions otherwise) and work your way down to the lowest, because lower divisions typically contain mandatory references to higher divisions.

+

For Countries, Subcontinents and Continents, SORMAS provides a default import that allows you to automatically add a complete set of data to your system. For Countries, this default data equals to the official list of countries provided by the WHO. For Subcontinents and Continents, the list is based on the data used by the Robert Koch Institut.

+

User Role Configuration

+

A user is the user account for employees who have access to SORMAS. Similarly, there are technical users that allow external systems to access data. +Users have one or sometimes more user roles. The roles of a user can be chosen by an admin when creating a new user or editing an existing one. +Each user role is defined by a set of user rights, a jurisdiction that represents the area of responsibility and a set of notifications. For example, the jurisdiction of a surveillance officer is the district, which is defined on the user. User roles that have different areas of responsibility are therefore not combinable.

+

grafik

+

SORMAS comes with an extensive list of user rights that are used to check which data and functionality can be access by the user in the backend and the user interface. +To cover the typical use cases, SORMAS defines a set of default user roles that are automatically created when setting up a SORMAS instance. +Most user rights define an action related to an entity type, e.g. the user right CASE_EDIT allows users to edit case data. +Notifications define when the user with the given role should get an SMS and/or Email notification.

+

The following automatically generated documents list and describe all user rights, notifications and the default user roles: +* https://github.com/sormas-foundation/SORMAS-Project/blob/development/sormas-api/src/main/resources/doc/SORMAS_User_Roles.xlsx

+

User roles are fully configurable, allowing admins to create new user roles and edit existing ones, to customize the instance to the given needs and to make sure data protection requirements are fulfilled.

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Installing a SORMAS Server for development

+

Note: This guide explains how to configure a SORMAS server on Linux and Windows systems for development. Please note that there is no database setup because the script supposes the use of the Docker Postgresql image (see SORMAS-Docker).

+

Content

+ + + +

Prerequisites

+

Java 11

+

See Installing Java

+

SORMAS just recently moved to Java 11. We still need to support Java 8 for a transition period. Therefore, please just +use Java 8 language features for now.

+

Ant

+

Download and install Ant, it can be done from Ant site or with packages from your Linux distribution.

+

Postgres Database

+

See Installing Postgresql

+

Alternatively you can use the Docker image available in SORMAS-Docker repository.

+

SORMAS Server

+

Install you own Payara server (see installing SORMAS Server).

+

This script will download Payara (if needed) and install SORMAS in the Payara server.

+

You can edit this script to change paths and ports.

+

Other steps : +* IMPORTANT: Adjust the SORMAS configuration for your country in /opt/domains/sormas/sormas.properties +* Adjust the logging configuration in ${HOME}/opt/domains/sormas/config/logback.xml based on your needs (e.g. configure and activate email appender) +* Build and deploy applications (ear and war) with you IDE.

+

Keycloak

+

See Keycloak for how to install Docker locally.

+

If you are doing active development on Keycloak (themes, authentication mechanisms, translations, etc.) it's recommended to install the standalone variant.

+

VAADIN Debug Mode

+

To enable VAADIN Debug Mode, go to sormas-ui/src/main/webapp/WEB-INF/web.xml and set productionMode to false. +Make sure not to commit your changes to these files, for example by using .gitignore. To access the debug Window, got to /sormas-ui/?debug. You may need to log in as admin once first.

+

Other components

+

See Installing a SORMAS Server

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Installing a SORMAS Server

+

Note: This guide explains how to set up a SORMAS server on Linux and Windows systems, the latter only being intended for usage on development systems. Please also note that certain parts of the setup script will not be executed on Windows.

+

Content

+ + + +

Prerequisites

+

Java 11

+

Download and install the Java 11 JDK (not JRE) for your operating system. We suggest using the Zulu OpenJDK.

+

Linux

+
sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys 0xB1998361219BD9C9
+sudo apt-add-repository 'deb https://repos.azul.com/zulu/deb/ stable main'
+sudo apt-get update
+sudo apt-get install zulu11
+
+

Windows

+

For testing and development environments we suggest to download and run the installer of the Java 11 JDK for 32 or 64 bit client systems (depending on your system). +You can check your Java version from the shell/command-line using: java -version.

+

Postgres Database

+
    +
  • Install PostgreSQL (currently 14 to 15) on your system (manuals for all OS can be found here: https://www.postgresql.org/download)
    • +
  • Set max_connections = 288 and max_prepared_transactions = 256 (at least, sum of all connection pools) in postgresql.conf (e.g. /etc/postgresql/14.0/main/postgresql.conf; C:/Program Files/PostgreSQL/14.0/data) - make sure the property is uncommented and restart the service to apply the changes.
    • +
  • Install the "temporal tables" extension for Postgres (https://github.com/arkhipov/temporal_tables)
    • +
  • Windows: Download the latest version for your Postgres version: +
    • +
  • Linux (see https://github.com/arkhipov/temporal_tables#installation) + bash + sudo apt-get install libpq-dev + sudo apt-get install postgresql-server-dev-all + sudo apt install pgxnclient + #Check for GCC: + gcc --version # and install if missing + sudo pgxn install temporal_tables + # The packages can be removed afterward
      +
    • Add the PostgreSQL path (/etc/PostgreSQL/10/bin) to Environment Variables
      • +
    +
    • +
+

SORMAS Server

+

Get the latest SORMAS build by downloading the ZIP archive from the latest release on GitHub: https://github.com/sormas-foundation/SORMAS-Project/releases/latest

+

Install on Linux

+

Unzip the archive, copy/upload its contents to /root/deploy/sormas/$(date +%F) and make the setup script executable (as root user).

+
sudo su
+mkdir -p /root/deploy/sormas
+cd /root/deploy/sormas
+SORMAS_VERSION=1.y.z
+wget https://github.com/sormas-foundation/SORMAS-Project/releases/download/v${SORMAS_VERSION}/sormas_${SORMAS_VERSION}.zip
+unzip sormas_${SORMAS_VERSION}.zip
+mv deploy/ $(date +%F)
+rm sormas_${SORMAS_VERSION}.zip
+chmod +x $(date +%F)/server-setup.sh
+
+

Install on Windows

+
    +
  • Download & install Git for Windows. This will provide a bash emulation that you can use to run the setup script: https://gitforwindows.org/
    • +
  • Unzip the ZIP archive (e.g. into you download directory)
    • +
  • Open Git Bash and navigate to the setup sub-directory
    • +
+

Auditing

+

You can configure the audit logger of SORMAS by providing a Logback configuration file and setting the audit.logger.config property accordingly. An example is provided in sormas-base/setup/audit-logback.xml. Not specifying a value for the property will effectively disable the audit log.

+

Sormas installation

+
    +
  • Optional: Open server-setup.sh in a text editor to customize the install paths, database access and ports for the server. The default ports are 6080 (HTTP), 6081 (HTTPS) and 6048 (admin). Important: Do not change the name of the database user. The predefined name is used in the statements executed in the database.
    • +
  • Set up the database and a Payara domain for SORMAS by executing the setup script: sudo -s ./server-setup.sh Press enter whenever asked for it
    • +
  • IMPORTANT: Make sure the script executed successfully. If anything goes wrong you need to fix the problem (or ask for help), then delete the created domain directory and re-execute the script.
    • +
  • IMPORTANT: Adjust the SORMAS configuration for your country in /opt/domains/sormas/sormas.properties
    • +
  • Adjust the logging configuration in /opt/domains/sormas/config/logback.xml based on your needs (e.g. configure and activate email appender)
    • +
  • Linux: Update the SORMAS domain
    • +
+

Keycloak Server

+

Note: SORMAS also comes with a basic auth mechanism using an JEE authentication realm. This authentication mechanism should only be used for development environments. For production environments always use the keycloak authentication mechansim. See Authentication & Authorization.

+

Keycloak can be set up in two ways: +* as a Docker container (for just using Keycloak approach) +* as a Standalone installation (for doing development in Keycloak like themes, SPIs)

+

Keycloak as a Docker container

+

To be done only in the situation when SORMAS is already installed on the machine as a standalone installation.

+

For complete Docker setup see the SORMAS-Docker repository.

+

Prerequisites +* SORMAS Server is installed +* PostgreSQL is installed +* Docker is installed +* Open and edit sormas-base/setup/keycloak/keycloak-setup.sh with your system's actual values (on Windows use Git Bash).

+

Setup +* Run sormas-base/setup/keycloak/keycloak-setup.sh +* Update sormas.properties file in the SORMAS domain with the property authentication.provider=KEYCLOAK +* Change in keycloak administration console the client ID for sormas-stats and sormas-ui from https to http

+

Keycloak as a standalone installation

+

Prerequisites +* SORMAS Server is installed +* PostgreSQL is installed

+

Setup

+

Setting Keycloak up as a standalone installation as described in the Getting started section of the official guide +* Make sure to configure Keycloak with PostgreSQL Database +* Set up an Admin User +* Copy the themes folder content to ${KEYCLOAK_HOME}/themes as described here +* Deploy the sormas-keycloak-service-provider as described here +* Update the sormas-base/setup/keycloak/SORMAS.json file by replacing the following placeholders: ${SORMAS_SERVER_URL}, ${KEYCLOAK_SORMAS_UI_SECRET}, ${KEYCLOAK_SORMAS_BACKEND_SECRET}, ${KEYCLOAK_SORMAS_REST_SECRET} +* Create the SORMAS Realm by importing sormas-base/setup/keycloak/SORMAS.json see Create a New Realm +* Update the sormas-* clients by generating new secrets for them +* Update the realm's email settings to allow sending emails to users

+

To update the SORMAS Server run the following commands:

+
${ASADMIN} set-config-property --propertyName=payara.security.openid.clientSecret --propertyValue=${KEYCLOAK_SORMAS_UI_SECRET} --source=domain
+${ASADMIN} set-config-property --propertyName=payara.security.openid.clientId --propertyValue=sormas-ui --source=domain
+${ASADMIN} set-config-property --propertyName=payara.security.openid.scope --propertyValue=openid --source=domain
+${ASADMIN} set-config-property --propertyName=payara.security.openid.providerURI --propertyValue=http://localhost:${KEYCLOAK_PORT}/keycloak/auth/realms/SORMAS --source=domain
+${ASADMIN} set-config-property --propertyName=sormas.rest.security.oidc.json \
+        --propertyValue="{\"realm\":\"SORMAS\",\"auth-server-url\":\"http://localhost:${KEYCLOAK_PORT}/auth\",\"ssl-required\":\"external\",\"resource\":\"sormas-rest\",\"credentials\":{\"secret\":\"${KEYCLOAK_SORMAS_REST_SECRET}\"},\"confidential-port\":0,\"principal-attribute\":\"preferred_username\",\"enable-basic-auth\":true}" \
+        --source=domain
+${ASADMIN} set-config-property --propertyName=sormas.backend.security.oidc.json --propertyValue="{\"realm\":\"SORMAS\",\"auth-server-url\":\"http://localhost:${KEYCLOAK_PORT}/auth/\",\"ssl-required\":\"external\",\"resource\":\"sormas-backend\",\"credentials\":{\"secret\":\"${KEYCLOAK_SORMAS_BACKEND_SECRET}\"},\"confidential-port\":0}" --source=domain
+
+

where: +* ${ASADMIN} - represents the location to ${PAYARA_HOME}\bin\asadmin +* ${KEYCLOAK_PORT} - the port on which keycloak will run +* ${KEYCLOAK_SORMAS_UI_SECRET} - is the secret generated in Keycloak for the sormas-ui client +* ${KEYCLOAK_SORMAS_REST_SECRET} - is the secret generated in Keycloak for the sormas-rest client +* ${KEYCLOAK_SORMAS_BACKEND_SECRET} - is the secret generated in Keycloak for the sormas-backend client

+

Then update sormas.properties file in the SORMAS domain with the property authentication.provider=KEYCLOAK

+

Connect Keycloak to an already running instance of SORMAS

+

after setting up Keycloak as one of the described options above

+

In case Keycloak is set up alongside an already running instance of SORMAS, these are the steps to follow to make sure already existing users can access the system: +1. Manually create an admin user in Keycloak for the SORMAS realm Creating a user (username has to be the same as admin's username in SORMAS) +2. If your server is not using SSL (e.g. because it's a development environment), you need to update the Root URL of the sormas-ui client in the SORMAS realm to use http instead of https +3. Login to SORMAS and trigger the Sync Users button from the Users page +4. This will sync users to Keycloak keeping their original password - see SORMAS Keycloak Service Provider for more information about this

+

Synchronization between SORMAS and Keycloak

+

The synchronization of users between SORMAS and Keycloak is can be done in two ways: +from SORMAS to Keycloak or from Keycloak to SORMAS depending on how the AUTH_PROVIDER_TO_SORMAS_USER_SYNC feature is configured.

+

By default, the AUTH_PROVIDER_TO_SORMAS_USER_SYNC feature is disabled so the synchronization happens from SORMAS to Keycloak. +An automatic synchronization happens when a user is created/changed/deleted in SORMAS, +and there is another way to trigger this manually by an admin on the users page meaning the users are managed in SORMAS.

+

If the feature is enabled, the synchronization is done from Keycloak to SORMAS. +In order to make this feature work you also need to configure the authentication.provider.syncedNewUserRoleconfiguration property in the sormas.properties file +to the name of the role that you want to be assigned to the new users coming from Keycloak.

+

This feature doesn't allow changing the users in SORMAS, except their roles and language, so users will be managed in keycloak. +The synchronization is done automatically each day at night, or manually by an admin on the users page when needed.

+

Keycloak configuration

+

More about the default configuration and how to customize can be found here Keycloak

+

Web Server Setup

+

Apache Web Server

+

Note: This is not necessary for development systems. When you are using SORMAS in a production environment you should use a http server like Apache 2 instead of putting the Payara server in the first line. +Here are some things that you should do to configure the Apache server as a proxy:

+

Activate all needed modules:

+
a2enmod ssl
+a2enmod rewrite
+a2enmod proxy
+a2enmod proxy_http
+a2enmod headers
+
+

Create a new site /etc/apache2/sites-available/your.sormas.server.url.conf (e.g. sormas.org.conf).

+

Force SSL secured connections: redirect from http to https:

+
<VirtualHost *:80>
+        ServerName your.sormas.server.url
+        RewriteEngine On
+        RewriteCond %{HTTPS} !=on
+        RewriteRule ^/(.*) https://your.sormas.server.url/$1 [R,L]
+</VirtualHost>
+<IfModule mod_ssl.c>
+<VirtualHost *:443>
+        ServerName your.sormas.server.url
+        ...
+</VirtualHost>
+</IfModule>
+
+

Configure logging:

+
ErrorLog /var/log/apache2/error.log
+LogLevel warn
+LogFormat "%h %l %u %t \"%r\" %>s %b _%D_ \"%{User}i\"  \"%{Connection}i\"  \"%{Referer}i\" \"%{User-agent}i\"" combined_ext
+CustomLog /var/log/apache2/access.log combined_ext
+
+

SSL key config:

+
SSLEngine on
+SSLCertificateFile    /etc/ssl/certs/your.sormas.server.url.crt
+SSLCertificateKeyFile /etc/ssl/private/your.sormas.server.url.key
+SSLCertificateChainFile /etc/ssl/certs/your.sormas.server.url.ca-bundle
+
+# disable weak ciphers and old TLS/SSL
+SSLProtocol all -SSLv3 -TLSv1 -TLSv1.1
+SSLCipherSuite ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:DHE$
+SSLHonorCipherOrder off
+
+

Add a proxy pass to the local port:

+
ProxyRequests Off
+ProxyPass /sormas-ui http://localhost:6080/sormas-ui
+ProxyPassReverse /sormas-ui http://localhost:6080/sormas-ui
+ProxyPass /sormas-rest http://localhost:6080/sormas-rest
+ProxyPassReverse /sormas-rest http://localhost:6080/sormas-rest
+
+

Configure security settings:

+
Header always set X-Content-Type-Options "nosniff"
+Header always set X-Xss-Protection "1; mode=block"
+# Disable Caching
+Header always set Cache-Control "no-cache, no-store, must-revalidate, private"
+Header always set Pragma "no-cache"
+
+Header always set Content-Security-Policy \
+        "default-src 'none'; \
+        object-src 'self'; \
+        script-src 'self' 'unsafe-inline' 'unsafe-eval'; \
+        connect-src https://fonts.googleapis.com https://fonts.gstatic.com 'self'; \
+        img-src *; \
+        style-src 'self' https://fonts.googleapis.com 'unsafe-inline'; \
+        font-src https://fonts.gstatic.com 'self'; \
+        frame-src 'self'; \
+        worker-src 'self'; \
+        manifest-src 'self'; \
+        frame-ancestors 'self'
+
+# The Content-Type header was either missing or empty.
+# Ensure each page is setting the specific and appropriate content-type value for the content being delivered.
+AddType application/vnd.ms-fontobject    .eot
+AddType application/x-font-opentype      .otf
+AddType image/svg+xml                    .svg
+AddType application/x-font-ttf           .ttf
+AddType application/font-woff            .woff
+
+

Activate output compression (very important!):

+
<IfModule mod_deflate.c>
+        AddOutputFilterByType DEFLATE text/plain text/html text/xml
+        AddOutputFilterByType DEFLATE text/css text/javascript
+        AddOutputFilterByType DEFLATE application/json
+        AddOutputFilterByType DEFLATE application/xml application/xhtml+xml
+        AddOutputFilterByType DEFLATE application/javascript application/x-javascript
+        DeflateCompressionLevel 1
+</IfModule>
+
+

Provide the Android apk:

+
Options -Indexes
+AliasMatch "/downloads/sormas-(.*)" "/var/www/sormas/downloads/sormas-$1"
+
+

For the Apache 2 security configuration we suggest the following settings (/etc/apache2/conf-available/security.conf):

+
ServerTokens Prod
+ServerSignature Off
+TraceEnable Off
+
+Header always set Strict-Transport-Security "max-age=15768000; includeSubDomains; preload"
+Header unset X-Frame-Options
+Header always set X-Frame-Options SAMEORIGIN
+Header unset Referrer-Policy
+Header always set Referrer-Policy "same-origin"
+Header edit Set-Cookie "(?i)^((?:(?!;\s?HttpOnly).)+)$" "$1;HttpOnly"
+Header edit Set-Cookie "(?i)^((?:(?!;\s?Secure).)+)$" "$1;Secure"
+
+Header unset X-Powered-By
+Header unset Server
+
+
    +
  • In case you need to update the site config while the server is running, use the following command to publish the changes without the need for a reload:
    • +
+
apache2ctl graceful
+
+

Firewall

+
    +
  • The server should only publish the ports that are needed. For SORMAS this is port 80 (HTTP) and 443 (HTTPS). In addition you will need the SSH port to access the server for admin purposes.
    • +
  • We suggest to use UFW (Uncomplicated Firewall) which provides a simple interface to iptables:
    • +
+
sudo apt-get install ufw
+sudo ufw default deny incoming
+sudo ufw default allow outgoing
+sudo ufw allow ssh
+sudo ufw allow http
+sudo ufw allow https
+sudo ufw enable
+
+

Postfix Mail Server

+

Install postfix and mailutils

+
apt install aptitude
+aptitude install postfix
+-> choose "satelite system"
+apt install mailutils
+
+

Configure your system

+
nano /etc/aliases
+-> add "root: enter-your@support-email-here.com"
+nano /opt/domains/sormas/config/logback.xml
+-> make sure "EMAIL_ERROR" appender is active and sends out to your email address
+
+

Testing the Server Setup

+

Use SSL Labs to test your server security config: https://www.ssllabs.com/ssltest

+

R Software Environment

+

In order to enable disease network diagrams in the contact dashboard, R and several extension packages are required. +Then the Rscript executable has to be configured in the sormas.properties file. +This can be conveniently accomplished by executing the R setup script from the SORMAS ZIP archive (see SORMAS Server):

+
    +
  • If the SORMAS installation has been customized, r-setup.sh the install paths may have to be adjusted accordingly with a text editor.
    • +
  • Execute R setup script and follow its instructions.
    • +
+
chmod +x r-setup.sh
+./r-setup.sh
+
+

SORMAS to SORMAS Certificate Setup

+

To be able to communicate with other SORMAS instances, there are some additional steps which need to be taken, in order to set +up the certificate and the truststore. Please see the related guide for detailed instructions regarding SORMAS to SORMAS setup. +

+

Troubleshooting

+

Problem: Login fails

+

Check that the users table does have a corresponding entry. If not, the database initialization that is done when deploying sormas-ear.ear probably had an error.

+

Problem: Server is out of memory

+

Old servers were set up with a memory size of less than 2048MB. You can change this using the following commands:

+
/opt/payara-172/glassfish/bin/asadmin --port 6048 delete-jvm-options -Xmx512m
+/opt/payara-172/glassfish/bin/asadmin --port 6048 delete-jvm-options -Xmx1024m
+/opt/payara-172/glassfish/bin/asadmin --port 6048 create-jvm-options -Xmx2048m
+
+

Alternative: You can edit the settings directly in the domain.xml in the config directory of the SORMAS domain. Just search for Xmx - there should be two entries that need to be changed.

+ + + + + + + + + + + + + +
+
+ + + +
+ +
+ + + +
+
+
+
+ + + + + + + + + + \ No newline at end of file diff --git a/SERVER_UPDATE/index.html b/SERVER_UPDATE/index.html new file mode 100644 index 00000000000..be5bf14ffb5 --- /dev/null +++ b/SERVER_UPDATE/index.html @@ -0,0 +1,1304 @@ + + + + + + + + + + + + + + + + + + + + + + + Update - SORMAS Project + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
+ + + + Skip to content + + +
+
+ +
+ + + + + + + + +
+ + +
+ +
+ + + + + + +
+
+ + + +
+
+
+ + + + + +
+
+
+ + + +
+
+
+ + + +
+
+
+ + + +
+
+ + + + + + + +

Updating a SORMAS Server

+

SORMAS releases starting from 1.21.0 contain a script that automatically updates and deploys the server. If you are using an older version and therefore need to do a manual server update, please download the 1.21.0 release files and use the commands specified in the server-update.sh script.

+

Preparations

+
    +
  • Get the latest release files (deploy.zip) from https://github.com/sormas-foundation/SORMAS-Project/releases/latest
    • +
  • Unzip the archive and copy/upload its contents to /root/deploy/sormas/$(date +%F) + bash + cd /root/deploy/sormas + SORMAS_VERSION=1.y.z + wget https://github.com/sormas-foundation/SORMAS-Project/releases/download/v${SORMAS_VERSION}/sormas_${SORMAS_VERSION}.zip + unzip sormas_${SORMAS_VERSION}.zip + mv deploy/ $(date +%F) + rm sormas_${SORMAS_VERSION}.zip
    • +
+

Breaking Updates

+

The following is a list of version that have breaking changes in the update. You only have to consider this if you are coming from an earlier version. For fresh installs, this is not relevant.

+

1.67.0

+

Coming from 1.66.4 or earlier, you have to update the payara server, as explained in the Payara migration.

+

1.73.0

+

Deploying this release will clear the userrolesconfig and userrole_userrights tables and overwrite them with the default user role configurations of SORMAS. If you added entries to these tables in order to customize the user roles on your system, please run the following queries before deploying this release in order to prevent data loss:

+
-- Retrieve all customized roles
+SELECT * FROM userrolesconfig;
+
+-- Overridden rights for roles
+SELECT c.userrole, ur.userright FROM userroles_userrights ur LEFT JOIN userrolesconfig c (ON c.id = ur.userrole_id);
+
+

After deploying the new version, the information retrieved from these queries can be used to alter the new user role configurations accordingly.

+

1.81.0

+

The temporal tables extension is replaced during the deployment of the backend. As a preparation the following SQL needs to be executed on the SORMAS database using the postgres user.

+
-- versioning function will be replaced during server backend startup
+ALTER FUNCTION public.versioning() OWNER TO sormas_user;
+
+

After the successful deployment, you can run the following SQL to get rid of the no longer used extension:

+
-- needed because `ALTER FUNCTION ... NO DEPENDS ON EXTENSION` is not possible in Postgres 10 and below
+DELETE FROM pg_depend
+WHERE deptype = 'e'
+  AND refobjid = (SELECT oid FROM pg_extension WHERE extname = 'temporal_tables')
+  and objid = (SELECT oid FROM pg_proc WHERE proname = 'versioning');
+
+DROP EXTENSION IF EXISTS temporal_tables;
+
+

1.85.0

+

Payara is updated from 5.2021.10 to 5.2022.5. +If you are not using SORMAS-Docker, please follow the Payara migration guide.

+

1.89.0

+

When installing this version on new systems or upgrading postgres version on Ubuntu make sure you have at least Ubuntu LTS 20 with postgres 14 (or 18 with postgres 12 from APT).

+

Automatic Server Update

+
    +
  • Navigate to the folder containing the unzipped deploy files: + cd /root/deploy/sormas/$(date +%F)
    • +
  • Make the update script executable: + chmod +x server-update.sh
    • +
  • Optional: Open server-update.sh in a text editor to customize the values for e.g. the domain path or the database name. You only need to do this if you used custom values while setting up the server.
    • +
  • Execute the update script and follow the instructions: + ./server-update.sh
    • +
  • If anything goes wrong, open the latest update log file (by default located in the "update-logs" folder in the domain directory) and check it for errors.
    • +
+

Restoring the Database

+

If anything goes wrong during the automatic database update process when deploying the server, you can use the following command to restore the data:

+

pg_restore --clean -U postgres -Fc -d sormas_db sormas_db_....dump

+

Default Logins

+

These are the default users for most user roles, intended to be used on development or demo systems. In all cases except the admin user, the username and password are identical. Make sure to deactivate them or change the passwords on productive systems.

+

Admin

+

Username: admin +Password: sadmin

+

Web users

+

Surveillance Supervisor: SurvSup +Case Supervisor: CaseSup +Contact Supervisor: ContSup +Point of Entry Supervisor: PoeSup +Laboratory Officer: LabOff +Event Officer: EveOff +National User: NatUser +National Clinician: NatClin

+

Mobile app users

+

Surveillance Officer: SurvOff +Hospital Informant: HospInf +Point of Entry Informant: PoeInf

+

Updating Keycloak

+

Standalone installation

+

Follow the official Keycloak upgrade guide.

+

To update follow this steps:

+
    +
  1. Prerequisites
    2. +
  2. Backup the DB
    3. +
  3. Backup the current Keycloak configuration
    4. +
  4. Download the 18.0.1 zip from https://www.keycloak.org/downloads
    5. +
  5. +

    Extract everything from the archive somewhere on your disk (will call this KEYCLOAK_HOME_NEW)

    +
    6. +
  6. +

    From you current installation (will call this KEYCLOAK_HOME_OLD) directory copy the following into the new installation

    +
    7. +
  7. Copy directory KEYCLOAK_HOME_OLD/themes/sormas over to KEYCLOAK_HOME_NEW/themes
    8. +
  8. +

    Copy KEYCLOAK_HOME_OLD/providers/sormas-keycloak-service-provider-*.jar over to KEYCLOAK_HOME_16/providers

    +
    9. +
  9. +

    Setup Keycloak to use the Database

    +
    10. +
  10. Start Keycloak
    11. +
  11. Database will be migrated automatically
    12. +
+

Docker installation

+

The docker installation is automatically upgraded to the latest version specified in the Dockerfile.

+

Prerequisites: Make sure the DB is backed up, because once the upgrade is done the new DB won't be usable with the old version of Keycloak.

+

For more info see the Keycloak Docker Documentation.

+

How to migrate to new Payara Server

+

Step 1: Shutdown and backup existing domain

+
# Stop domain
+service payara-sormas stop
+
+# Move (backup) existing domain
+DOMAIN_PATH=/opt/domains
+DOMAIN_NAME="sormas"
+DOMAIN_BACKUP_NAME="sormas_backup"
+mv $DOMAIN_PATH/$DOMAIN_NAME $DOMAIN_PATH/$DOMAIN_BACKUP_NAME
+
+

Step 2: Setup Payara domain

+

Please follow the server setup: Create the payara domain under the same path as before, use the same directory paths and the same database settings.

+

Step 3: Apply your config file changes

+

Transfer your settings from sormas.properties, logback.xml or changes in the domain setup. Use the new provided files and copy your changes in, don't reuse old files!

+

Step 4: Install new SORMAS version

+

To install the new SORMAS version in the Payara domain, proceed with the automatic update or for developers: Deploy SORMAS via the IDE as usual.

+

Alternative for development systems

+

For minor updates of the payara version, you will most often be able to keep the existing domain and only replace the payara server.

+
    +
  1. Download the needed version of Payara server.
    2. +
  2. Undeploy all sormas modules from the payara domain and stop the domain.
    3. +
  3. Replace your payara server in /opt/payara5 (default path) with the downloaded one. Remove the default domain in opt/payara5/glassfish/domains as it is not needed.
    4. +
  4. Replace the application server in your IDE with the new server. See IDE setup guide
    5. +
  5. If you are facing any problems, restart your IDE and clean all generated files from the sormas domain.
    6. +
+ + + + + + + + + + + + + +
+
+ + + +
+ +
+ + + +
+
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SOP for Adding New Diseases to SORMAS

+

This file defines the SOP (Standard Operating Procedure) that should be followed when requesting new diseases to be added to the system by the core development team. Answering all the questions asked in this guide will make sure that we will be able to integrate new diseases into SORMAS as quickly as possible.

+

Content

+ +

Guide

+

Step 1: Download the Data Dictionary

+

Download the latest Data Dictionary from this repository and open it. Please never use a version of the Data Dictionary that you downloaded earlier as it is very likely that its contents have changed in the meantime.

+

You will use the Data Dictionary to define all the details of the new disease. Please make sure to mark every addition or change (e.g. by colorizing the text or background of the row in a subtle red) so we don't miss any of the information you have provided.

+

Step 2: Define Basic Disease Details

+

Open the Case tab of the Data Dictionary and scroll down to the tables that have a blue background. These tables define enumerations, which are basically data types with fixed values. +Examples include the different case classifications, the gender of a person or the diseases that are used in SORMAS. Find the Disease enumeration table (refer to the Type column) and add a new row to it. Enter the following details:

+
    +
  • The name of the disease in the Caption column
    • +
  • Optionally, if the disease has a long name, a short name or abbreviation in the Short column
    • +
+

Use the Description column to answer the following question(s):

+
    +
  • Does the disease have contact follow-up?
    • +
  • If yes, for how many days should contact follow-up be done?
    • +
+

Step 3: Define Existing Case Fields

+

Look through the rows in the first table of the Case tab (which has a grey background). This table defines all the fields that are displayed in the Case Information tab in the SORMAS application. +The Caption column defines the name of the field as it is displayed in the user interface, while the Diseases column specifies which diseases use this field. Please add the name (or, if available, short name) of your new disease to the "New disease" column of every row that represents a field that is relevant for it and colorize it.

+

Step 4: Define Existing Person Fields

+

Open the Person tab and repeat step 3 for the first table containing the fields that define the details of a person in SORMAS.

+

Step 5: Define the Relevant Symptoms

+

Open the Symptoms tab which lists all the symptoms that are currently used in SORMAS. This is a very long list and you will have to go through every single row and define whether this symptom should be tracked for your new disease or not.

+

It's possible that your new disease uses one or more symptoms that are currently not part of SORMAS. In that case, you need to add a new row for each of these symptoms to the bottom of the table and provide the name of the symptom in the Caption column.

+

Most symptoms in SORMAS are simple Yes/No/Unknown fields where Yes means that the symptom is present, No that the symptom is not present and Unknown that there is no information about whether the symptom is present or not. If your symptom can simply be defined by this pattern, you don't have to specify anything else. +However, if your symptom is more complex (e.g. there are a number of predefined values that the user should choose from), please provide all the necessary details about how the symptom should be specified by users in the Description column.

+

Step 6: Define the Relevant Epidemiological Data

+

Open the Epidemiological data tab which lists all fields that are used to collect information about the epidemiological background of the case, e.g. whether they visited burials, had contact with a confirmed case or animals. Repeat step 3 for all rows in the first table, and add new rows if your new disease requires information that is not currently collected within SORMAS. +As new fields in this tab are likely to be more complex than basic symptoms, make sure to define as much information about how they should function in the Description column.

+

Step 7: Define Health Conditions

+

Open the Health conditions tab which contains a list of pre-existing conditions that are not symptoms of the disease, but are still relevant especially for case management purposes in a hospital. Repeat step 3 for all rows in the first table, and add new rows if there are health conditions relevant for your new disease that are not part of SORMAS yet. +As always with new fields, make sure to provide all relevant details in the Description column.

+

Step 8: Define New Fields in Other Areas

+

It is possible that your disease requires further information to be collected that is not supported by SORMAS yet, e.g. new details about the person, specific information about its hospitalization, or even very important fields that should directly go into the case information. +You can use the same process you used to define new symptoms, health conditions or epidemiological data fields by opening the tab in question and adding new rows to the topmost table.

+
+

At this point, you have finished all the necessary definitions in the Data Dictionary. Save your work and prepare an email with the Data Dictionary file attached to it. Don't send this email before working through the remaining steps though, as there are still a few details that are needed in order to finish the specification of your new disease.

+
+

Step 9: Provide Case Classification Criteria

+

Optimally, when defining a new disease, you should also specify the criteria SORMAS should use to automatically classify the case as suspect, probable or confirmed. In order to do this in a way that is compatible with the system we use, you will need access to a running SORMAS system (e.g. the play server you can find at https://sormas.org). +Log in as any user (e.g. the default user on the play server), open the About section from the main menu, and open the Case Classification Rules (HTML) document. Please define the classification criteria in a way that is similar to the system used in this document. If available, you can also send us an official document by WHO or your national CDC that specifies the classification criteria.

+

Step 10: Provide Additional Information

+

If there are still things that are necessary in order to properly implement the new disease in SORMAS (you might require us to create a whole new area for cases or there might be very complex mechanics that need a lot more specification), please give us as many details about them as possible. Just put all this information into your email.

+

Step 11: Send Your Disease Definition to the SORMAS Team

+

Send your email containing the updated Data Dictionary file, the case classification criteria and your additional notes to info@sormas.org. Congratulations, your work is done! We should now have all the information we need in order to integrate your disease into SORMAS. +If there is anything that is unclear or if we need additional details, we will get in touch with you as soon as possible. Thank you so much for contributing to SORMAS and helping us to fight the spread of as many diseases as possible!

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Sormas2Sormas Setup

+

Introduction

+

Sormas2Sormas (or S2S for short) is a feature that allows sharing of entities (e.g., cases, contacts, events, etc.) +between two or more SORMAS instances.

+

Components

+

SORMAS Instance

+

A SORMAS instance is a running instance of the SORMAS application. A SORMAS instance which is configured to participate +in S2S is obviously the main component of the Sormas2Sormas feature. It is the one that initiates the sharing process +and the one that receives the shared entities. Each instance has a unique S2S identifier which is an arbitrary string. +We do not enforce a certain scheme, but it is strongly encouraged to use a meaningful and consistent identifiers +(e.g., 2.sormas.id.sormas_a in Germany which is the dedicated SurvNet ID for the public health office).

+

Server Descriptors

+

A server descriptor is a struct which contains the information needed to connect to a SORMAS instance (see the +SormasServerDescriptor class). It consists of the S2S ID, a human-readable name used in the UI, and the hostname. +Descriptors centrally distributed via a dedicated etcd keyspace (e.g., /s2s/).

+
{
+  "id":"2.sormas.id.sormas_a",
+  "name":"sormas_a_org_name",
+  "hostName":"sormas_a:6080"
+}
+
+

Keystore

+

Each instance receives a dedicated x509 certificate and private key pair which is used to encrypt all S2S communication. +The certificate is signed by a common S2S CA. The certificate and private key are stored in a pkcs12 keystore under the +S2S ID of the instance. See here +for an example of how to generate a keystore.

+

Truststore

+

Each instance receives a truststore which contains the S2S CA certificate under the sormas2sormas.rootCaAlias. +See here for an example of +how to generate a truststore.

+

Properties

+

The following properties are required to be set in the sormas.properties file:

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PropertyDescription
central.oidc.urlURL of the OIDC server authenticating instances and authorizing S2S requests.
central.etcd.host=The hostname of the etcd instance providing data like server descriptors.
central.etcd.clientNameThe client name of the instance used in authentication towards etcd.
central.etcd.clientPasswordThe client password of the instance used in authentication towards etcd.
central.etcd.caPathThe full filesystem path to the CA trusted by etcd clients when creating a TLS connection to the etcd server.
central.location.syncIf set to true, all infrastructure data from the central server will be synchronized into the local SORMAS database at (re)start and on a daily basis.
sormas2sormas.pathFilesystem path to a directory where certificates and files related to SORMAS2SORMAS are stored.
sormas2sormas.id=The S2S ID of this instance. The identifier can be arbitrary, but should be meaningful.
sormas2sormas.keystoreNameName of the key store file relative to sormas2sormas.path.
sormas2sormas.keystorePassPassword of the key store file.
sormas2sormas.rootCaAliasThe alias of the trusted root CA which secures the S2S communication. This is NOT used for TLS.
sormas2sormas.truststoreNameName of the truststore file relative to sormas2sormas.path.
sormas2sormas.truststorePassPassword of the truststore.
sormas2sormas.oidc.realmName of our S2S authorization realm provided by the OIDC server.
sormas2sormas.oidc.clientIdThe client ID used in authentication of the instance towards the OIDC server.
sormas2sormas.oidc.clientSecretThe client secret used in authorization of the instance towards the OIDC server.
sormas2sormas.etcd.keyPrefixThe etcd key space prefix which is used to store s2s related information.
sormas2sormas.ignoreProperty.additionalDetailsControls whether the value in additionalDetails field should be sent or not to the other instances. Possible values: true/false(default).
sormas2sormas.ignoreProperty.externalIdControls whether the value in externalId field should be sent or not to the other instances. Possible values: true/false(default).
sormas2sormas.ignoreProperty.externalTokenControls whether the value in externalToken field should be sent or not to the other instances. Possible values: true/false(default).
sormas2sormas.ignoreProperty.internalTokenControls whether the value in internalToken field should be sent or not to the other instances. Possible values: true/false(default).
#sormas2sormas.districtExternalIdExternal ID of the district to which the cases/contacts to be assigned when accepting a share request
+

Keycloak

+

Keycloak is an open source identity and access management solution. It is used to manage the users and their permissions. +In our case, we use the OIDC client credentials flow +to authenticate the S2S enabled instances and to authorize the S2S share operations. It consists of a dedicated S2S +realm which contains all the necessary configurations, namely dedicated clients and client scopes. Connections to Keycloak +must be protected by TLS.

+

Clients

+

Each S2S instance receives a dedicated client in the S2S realm. An S2S instance is acting as client and is configured to +use the OIDC client credentials.

+

Client Scopes

+

For each client, a similar client scope is created. Each S2S instance A which should be able to send data to another +instance B must be assigned the client scope of instance B. This way, instance A is allowed to send data to instance B. +The client scope must be prefixed with s2s- and must contain the S2S ID of the instance it is assigned to (e.g., +s2s-2.sormas.id.sormas_b).

+

etcd

+

Server Descriptors stored in etcd

+

etcd is a distributed key-value store. It is used to store the server descriptors of all S2S enabled instances. They are +all stored under a dedicated S2S key space prefix (e.g., /s2s/) at a path like /s2s/2.sormas.id.sormas_b. +The etcd server is expected to be secured by TLS with a trusted CA announced to instances via central.etcd.caPath. +The etcd client name and password are used to authenticate the S2S instances towards the etcd server.

+

Infrastructure Data

+

etcd is also used to store the infrastructure data of the central server. This data is used to synchronize the local DB +to have a consistent view of the infrastructure data. The infrastructure data is stored under a dedicated key space of +the form /central/location/${entity} where entity is one of continent, subcontinent, country, region, district, +and community. A complete key could look like /central/location/continent/3fab2b69-31cd-5765-91e3-d68826a6dd48 where +the uuid is the uuid assigned to the continent in the central server. The values are expected to mirror the JSON values +of the DTOs (e.g., ContinentDto, etc.).

+

Secure Communication

+

The S2S communication is expected to be secured by TLS. For additional security, the S2S communication is also +encrypted. Each instance receives a dedicated keystore and truststore. The keystore contains the instance's private and +public key. The truststore contains a root CA certificate (i.e., sormas2sormas.rootCaAlias) which is used to sign all +instance certificates. The connection to Keycloak must be secured by TLS. The connection to etcd must be secured by +TLS. The CA trusted by etcd clients when creating a TLS connection to the server is set via central.etcd.caPath.

+

Deactivation

+
    +
  1. Stop the instance and create backup
    2. +
  2. The instance on which S2S will be deactivated has to revoke all outgoing pending requests AND has to accept or reject +all incoming pending request. Please note that as of now, users won't be able to see the whole sharebox or share directory. +Therefore, they cannot track if the case/contact was shared with/by another instance or not.
    3. +
  3. Deactivate the S2S feature by commenting all relevant properties in sormas.properties:
    4. +
  4. sormas2sormas.*
    5. +
  5. central.oidc.url
    6. +
  6. Optional if GA wants to disable central infra sync: central.*. Strongly discouraged.
    7. +
  7. Remove service descriptor of the deactivated instance from central etcd to prevent further discovery.
    8. +
  8. Reset feature configuration table.
    9. +
  9. Remove client and client scope of the instance from central Keycloak.
    10. +
  10. shred the instance's key material.
    11. +
  11. Restart the instance.
    12. +
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+ + + + Skip to content + + +
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Troubleshooting

+

Please consult this collection of solutions to common problems if you have any issues before issuing a support request or asking developers for help. Also note that this resource has only been added recently and will be extended in the future. If you have encountered (and fixed) any issue that you think would be worth adding to this list, please don't hesitate to let us know!

+ +

Android Application FAQ

+

Q: I don't see a logout option anywhere in the mobile app. How can I change my user?
+A: The logout option is hidden by default because users in the field often don't know their own passwords, but their devices are instead set up by a supervisor. If you want to change your user, go to the Settings screen and tap the version number five times to bring up additional options, including the logout option.

+

Q: The app crashes. How can I get a log file?
+A: If you are using a release version of the app and need to get error logs, you can do the following:

+
    +
  1. Enable developer options in the Android device's settings
    2. +
  2. Use the "Take Bug Report" option. The full report is not needed.
    3. +
  3. The zip file that is created will have a dumpstate-.txt file that contains the log and some more information
    4. +
  4. Open it and search for de.symeda.sormas to identify the process ID. E.g. de.symeda.sormas.app/de.symeda.sormas.app.login.LoginActivity$_11109#0 -> 11109 is the ID
    5. +
  5. Search for all occurences of the process ID to filter the file down to lines that contain the actual log of sormas
    6. +
+

Identify Performance Problems

+

There are two main sources of bad performance in the application:

+
    +
  1. Slow database queries
    2. +
  2. Slow Java code
    3. +
+

Log Slow Database Queries

+

Possibly the most generally useful log setting for troubleshooting performance, especially on a production server.

+

SORMAS-Docker already logs slow SQL queries by default. You can view the log output on its host VM with docker logs sormas-docker_postgres_1.

+

You can enable the logging of slow SQL queries in your PostgreSQL server in postgresql.conf:

+
    +
  1. Change the value of log_min_duration_statement to a value that fits your need (e.g. 10000).
    2. +
  2. Restart the PostgreSQL service or reload the config.
    3. +
  3. Monitor the log file.
    4. +
+

Create Analysis of Slow Database Query (SORMAS-Docker)

+

You can provide an analysis of a slow running query to help the developers to see where the query is getting slow and how to fix it.

+
    +
  1. +

    Extract the slow SQL statement from slow query log.

    +
    2. +
  2. +

    Copy the SQL statement, replace all parameters ($x) with the values (see the following log statement) and place the SQL query on the system (outside Docker container on host):

    +
    3. +
+
sudo bash
+cd /var/lib/docker/psqldata
+vi explain.sql
+
+# hit i (INSERT)
+# Paste this into the file:  EXPLAIN (ANALYZE, COSTS, VERBOSE, BUFFERS, FORMAT JSON) 
+# Paste the complete SQL statement
+# Hit ESC and :wq to save the file
+
+
    +
  1. Execute the SQL (inside Docker container):
    2. +
+
sudo bash
+docker exec -ti sormas-docker_postgres_1 bash
+cd /var/lib/postgresql/data
+su postgres
+psql -XqAt -d sormas -f explain.sql > analyze.json
+
+
    +
  1. +

    Copy the output to your home dir on the VM (not inside the Docker container) to be able to copy it from the VM to your local system: mv analyze.json /home/user.name/

    +
    2. +
  2. +

    Create a visual report at https://explain.dalibo.com/ in order to share the analysis. Make sure the raw query and timings are included.

    +
    3. +
+

How to analyze this is explained below.

+

Log Slow Java Code

+

If a specific view or action is facing bad performance it may be helpful to log the execution time of the responsible Java code.

+
    +
  1. Open the logback file located in your domain (default path: /opt/domains/sormas/config/logback.xml) and change the log level of PerformanceLoggingInterceptor to DEBUG or TRACE. The config change will be recognized during runtime within 30s. After that you will see detailed log entries in the SORMAS log.
    2. +
  2. Reproduce the scenario you want to investigate on the server instance.
    3. +
  3. Set the log level back to its default once the logging has been done since it can reduce the overall performance of SORMAS.
    4. +
+

Caution: Do not expose any private data! Whenever you debug problems on an instance with productive data, please make sure that the logged information does not contain any personal data like real person names, birth dates, etc. to the public. Never provide such data anywhere on GitHub or any other online tool!

+

How to analyze the log is explained below.

+

Analyze Performance Problems

+

Analyze a Slow Query

+

To get your hands on a specific query executed by a view or action, you can do the following:

+
    +
  1. Get an analysis from a production system
    2. +
  2. Create your own:
    3. +
  3. Identify or create a unit test that calls the related backend method
    4. +
  4. Set the 'hibernate.show_sql' config in the persistence.xml of the test resources to true
    5. +
  5. Run the unit test and extract the query from the log
    6. +
  6. Replace any parameters in the query
    7. +
  7. Execute the query on your local database or a test system pre-faced by 'EXPLAIN (ANALYZE, COSTS, VERBOSE, BUFFERS, FORMAT JSON)'
    8. +
  8. Create a visual report at https://explain.dalibo.com/ in order to share the analysis. Make sure the raw query and timings are included.
    9. +
+

Important points when interpreting the visual report:

+
    +
  • Look for the red highlights in the report, especially for nodes that have a long runtime
    • +
  • Look for nodes that are processing a lot of rows (100+ millions). This is often the case for joins
    • +
  • When you are dealing with a lof of data, most often you only need to output a subset
    • +
+

How to improve the query is most often a process of trial and error. Here are some things to consider:

+
    +
  • Adding indices so postgres does not have to go through all data. You can use a btree index to include multiple columns and sorting
    • +
  • Getting rid of unnecessary joins. Example: Joining a region of a case to compare it to the region of the user, instead of directly doing this on the region_id field of the case
    • +
  • Using limit to reduce the output (e.g. the first 100). Make sure there is no sorting done close to the end of the query graph. This is often the case when 'DISTINCT' is used. +See Example
    • +
  • Splitting the query into separate queries when 'DISTINCT' has to be used / using distinct on a sub-query
    • +
  • Using sub-queries to influence the query planner. +See Example
    • +
+

How to save time when optimizing the query:

+
    +
  • Make sure you have easy access to a database that allows you to reproduce the bad performance of the query and to manipulate the query and re-run it directly on the database.
    • +
  • Use the explain feature of pgAdmin to quickly output the query graph for debugging purposes
    • +
  • Make sure you have a unit test (see above) that allows you to create the SQL query from a criteria query without having to re-deploy your server
    • +
+

Analyze Java Code Performance Logs

+

After Logging Slow Java Code the debug log file (default path: /opt/domains/sormas/logs/application.debug) can be analyzed in detail using the PerformanceLogAnalysisGenerator.

+

The log file's path is specified as the program argument when calling PerformanceLogAnalysisGenerator's main method. Processing the log file will +generate three files (<logfileName>.csv, <logfileName>.txt, <logfileName>.html) to further investigate method runtimes.

+

<logfileName>.html provides a navigable overview of methods along with runtime statistics (total, min, max and average time) and calls to sub methods.

+

Sometimes it is convenient to analyze a number of different scenarios in a row. To do so, produce snippets of the application.debug log using tail for each +of the scenarios to be investigated:

+
    +
  1. start tail -f <logfileName> > <snippetDirectory>/<snippet.debug>
    2. +
  2. replay the steps to be analyzed
    3. +
  3. stop tail -f
    4. +
+

The PerformanceLogAnalysisGenerator can now batch process all of the snippets by pointing to the directory instead of a log file. +Calling PerformanceLogAnalysisGenerator.main with argument <snippetDirectory> generates the analysis files (.csv, .txt, .html) +for each file *.debug in this directory. The generated files will be placed in <snippetDirectory>, too.

+

IDE Troubleshooting: Android Studio

+

If for some reason the Android App is not building correctly (for example due to unexpected ClassNotFoundExceptions), here is what you should try: +- Clean the Project (Build -> Clean Project) +- Invalidate Caches (File -> Invalidate Caches / Restart...) +- Wipe your Android VM (AVD Manager -> Wipe Data)

+

If you get this exception: Unable to load class 'javax.xml.bind.JAXBException', the reason is most likely a faulty JDK version. For the androidapp, you need Java JDK 8. To change the JDK, go to File -> Project Structure -> JDK Location and select a valid JDK (on Linux, check the folder /usr/lib/jvm and/or install if necessary: sudo apt install openjdk-8-jdk)

+

IDE Troubleshooting: eclipse

+

Deployment Problems

+

Unfortunately, when using eclipse together with the Payara Tools, there are a number of deployment problems that you might run into. Examples of these include:

+
    +
  • ClassDefNotFoundExceptions after deploying the artifacts and logging in to the web app
    • +
  • Error messages in eclipse telling you that the deployment failed
    • +
+

There are a couple of things you can do to fix these problems:

+
    +
  • Do a Maven update for all projects
    • +
  • Stop and restart the server
    • +
  • Re-deploy the server artifacts
    • +
+

If the problem occurred right after you've pulled new code from GitHub, your safest bet is probably to start with the Maven update. For most other problems, a simple re-deployment or, if necessary, server restart should suffice.

+

News Feeds Polling

+

When running eclipse with JDK 11, you might encounter the following error message: An internal error occurred during: "Polling news feeds". javax/xml/bind/JAXBContext. To fix it, disable Window --> Preferences --> General --> News --> "Enable automatic news polling".

+

Redeployment problems

+

If you face problems that sormas-ui or sormas-rest cannot call the backend anymore after redeploying, please follow this instruction.

+

Malware detection triggers

+

It might happen that a defensive program on your system falsely recognizes files needed to run SORMAS as vulnerability.

+

Please ignore the following known findings (no quarantine, no deletion): +* File: payara-5.2021.10.zip, Recognized: Trojan:Script/Oneeva.A!ml (found by Windows Defender). Has rarely happened when running server-setup.sh which downloads that file. The script subsequently fails because zip file cannot be extracted. +* File: glassfish/modules/war-util.jar, Recognized: Exploit:Java/CVE-2012-0507.D!ldr (found by Windows Defender in payara-5.2021.10). The deployed OSGi bundle might also be recognized, for example under this path: osgi-cache/felix/bundle365/version0.0/bundle.jar . If the file is quarantined, the paraya domain fails to start, without any exception in the log.

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+ + + + + + + + + + \ No newline at end of file diff --git a/assets/images/favicon.png b/assets/images/favicon.png new file mode 100644 index 00000000000..1cf13b9f9d9 Binary files /dev/null and b/assets/images/favicon.png differ diff --git a/assets/javascripts/bundle.1e8ae164.min.js b/assets/javascripts/bundle.1e8ae164.min.js new file mode 100644 index 00000000000..212979889b9 --- /dev/null +++ b/assets/javascripts/bundle.1e8ae164.min.js @@ -0,0 +1,29 @@ +"use strict";(()=>{var _i=Object.create;var br=Object.defineProperty;var Ai=Object.getOwnPropertyDescriptor;var Ci=Object.getOwnPropertyNames,Ft=Object.getOwnPropertySymbols,ki=Object.getPrototypeOf,vr=Object.prototype.hasOwnProperty,eo=Object.prototype.propertyIsEnumerable;var Zr=(e,t,r)=>t in e?br(e,t,{enumerable:!0,configurable:!0,writable:!0,value:r}):e[t]=r,F=(e,t)=>{for(var r in t||(t={}))vr.call(t,r)&&Zr(e,r,t[r]);if(Ft)for(var r of Ft(t))eo.call(t,r)&&Zr(e,r,t[r]);return e};var to=(e,t)=>{var r={};for(var o in e)vr.call(e,o)&&t.indexOf(o)<0&&(r[o]=e[o]);if(e!=null&&Ft)for(var o of Ft(e))t.indexOf(o)<0&&eo.call(e,o)&&(r[o]=e[o]);return r};var gr=(e,t)=>()=>(t||e((t={exports:{}}).exports,t),t.exports);var Hi=(e,t,r,o)=>{if(t&&typeof t=="object"||typeof t=="function")for(let n of Ci(t))!vr.call(e,n)&&n!==r&&br(e,n,{get:()=>t[n],enumerable:!(o=Ai(t,n))||o.enumerable});return e};var jt=(e,t,r)=>(r=e!=null?_i(ki(e)):{},Hi(t||!e||!e.__esModule?br(r,"default",{value:e,enumerable:!0}):r,e));var ro=(e,t,r)=>new Promise((o,n)=>{var i=c=>{try{s(r.next(c))}catch(p){n(p)}},a=c=>{try{s(r.throw(c))}catch(p){n(p)}},s=c=>c.done?o(c.value):Promise.resolve(c.value).then(i,a);s((r=r.apply(e,t)).next())});var no=gr((xr,oo)=>{(function(e,t){typeof xr=="object"&&typeof oo!="undefined"?t():typeof define=="function"&&define.amd?define(t):t()})(xr,function(){"use strict";function e(r){var o=!0,n=!1,i=null,a={text:!0,search:!0,url:!0,tel:!0,email:!0,password:!0,number:!0,date:!0,month:!0,week:!0,time:!0,datetime:!0,"datetime-local":!0};function s(C){return!!(C&&C!==document&&C.nodeName!=="HTML"&&C.nodeName!=="BODY"&&"classList"in C&&"contains"in C.classList)}function c(C){var ct=C.type,Ne=C.tagName;return!!(Ne==="INPUT"&&a[ct]&&!C.readOnly||Ne==="TEXTAREA"&&!C.readOnly||C.isContentEditable)}function p(C){C.classList.contains("focus-visible")||(C.classList.add("focus-visible"),C.setAttribute("data-focus-visible-added",""))}function l(C){C.hasAttribute("data-focus-visible-added")&&(C.classList.remove("focus-visible"),C.removeAttribute("data-focus-visible-added"))}function f(C){C.metaKey||C.altKey||C.ctrlKey||(s(r.activeElement)&&p(r.activeElement),o=!0)}function u(C){o=!1}function h(C){s(C.target)&&(o||c(C.target))&&p(C.target)}function w(C){s(C.target)&&(C.target.classList.contains("focus-visible")||C.target.hasAttribute("data-focus-visible-added"))&&(n=!0,window.clearTimeout(i),i=window.setTimeout(function(){n=!1},100),l(C.target))}function A(C){document.visibilityState==="hidden"&&(n&&(o=!0),Z())}function Z(){document.addEventListener("mousemove",J),document.addEventListener("mousedown",J),document.addEventListener("mouseup",J),document.addEventListener("pointermove",J),document.addEventListener("pointerdown",J),document.addEventListener("pointerup",J),document.addEventListener("touchmove",J),document.addEventListener("touchstart",J),document.addEventListener("touchend",J)}function te(){document.removeEventListener("mousemove",J),document.removeEventListener("mousedown",J),document.removeEventListener("mouseup",J),document.removeEventListener("pointermove",J),document.removeEventListener("pointerdown",J),document.removeEventListener("pointerup",J),document.removeEventListener("touchmove",J),document.removeEventListener("touchstart",J),document.removeEventListener("touchend",J)}function J(C){C.target.nodeName&&C.target.nodeName.toLowerCase()==="html"||(o=!1,te())}document.addEventListener("keydown",f,!0),document.addEventListener("mousedown",u,!0),document.addEventListener("pointerdown",u,!0),document.addEventListener("touchstart",u,!0),document.addEventListener("visibilitychange",A,!0),Z(),r.addEventListener("focus",h,!0),r.addEventListener("blur",w,!0),r.nodeType===Node.DOCUMENT_FRAGMENT_NODE&&r.host?r.host.setAttribute("data-js-focus-visible",""):r.nodeType===Node.DOCUMENT_NODE&&(document.documentElement.classList.add("js-focus-visible"),document.documentElement.setAttribute("data-js-focus-visible",""))}if(typeof window!="undefined"&&typeof document!="undefined"){window.applyFocusVisiblePolyfill=e;var t;try{t=new CustomEvent("focus-visible-polyfill-ready")}catch(r){t=document.createEvent("CustomEvent"),t.initCustomEvent("focus-visible-polyfill-ready",!1,!1,{})}window.dispatchEvent(t)}typeof document!="undefined"&&e(document)})});var zr=gr((kt,Vr)=>{/*! 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circle{fill:var(--md-mermaid-label-bg-color)}.actor{fill:var(--md-mermaid-sequence-actor-bg-color);stroke:var(--md-mermaid-sequence-actor-border-color)}text.actor>tspan{fill:var(--md-mermaid-sequence-actor-fg-color);font-family:var(--md-mermaid-font-family)}line{stroke:var(--md-mermaid-sequence-actor-line-color)}.actor-man circle,.actor-man line{fill:var(--md-mermaid-sequence-actorman-bg-color);stroke:var(--md-mermaid-sequence-actorman-line-color)}.messageLine0,.messageLine1{stroke:var(--md-mermaid-sequence-message-line-color)}.note{fill:var(--md-mermaid-sequence-note-bg-color);stroke:var(--md-mermaid-sequence-note-border-color)}.loopText,.loopText>tspan,.messageText,.noteText>tspan{stroke:none;font-family:var(--md-mermaid-font-family)!important}.messageText{fill:var(--md-mermaid-sequence-message-fg-color)}.loopText,.loopText>tspan{fill:var(--md-mermaid-sequence-loop-fg-color)}.noteText>tspan{fill:var(--md-mermaid-sequence-note-fg-color)}#arrowhead 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Hn(e,{viewport$:t,target$:r,print$:o}){return T(...R(".annotate:not(.highlight)",e).map(n=>wn(n,{target$:r,print$:o})),...R("pre:not(.mermaid) > code",e).map(n=>On(n,{target$:r,print$:o})),...R("pre.mermaid",e).map(n=>_n(n)),...R("table:not([class])",e).map(n=>Cn(n)),...R("details",e).map(n=>Mn(n,{target$:r,print$:o})),...R("[data-tabs]",e).map(n=>kn(n,{viewport$:t,target$:r})),...R("[title]",e).filter(()=>G("content.tooltips")).map(n=>Ge(n)))}function Ra(e,{alert$:t}){return t.pipe(v(r=>T($(!0),$(!1).pipe(Ye(2e3))).pipe(m(o=>({message:r,active:o})))))}function $n(e,t){let r=P(".md-typeset",e);return H(()=>{let o=new g;return o.subscribe(({message:n,active:i})=>{e.classList.toggle("md-dialog--active",i),r.textContent=n}),Ra(e,t).pipe(y(n=>o.next(n)),_(()=>o.complete()),m(n=>F({ref:e},n)))})}function Pa({viewport$:e}){if(!G("header.autohide"))return $(!1);let t=e.pipe(m(({offset:{y:n}})=>n),Ke(2,1),m(([n,i])=>[nMath.abs(i-n.y)>100),m(([,[n]])=>n),Y()),o=We("search");return Q([e,o]).pipe(m(([{offset:n},i])=>n.y>400&&!i),Y(),v(n=>n?r:$(!1)),q(!1))}function Rn(e,t){return H(()=>Q([Ee(e),Pa(t)])).pipe(m(([{height:r},o])=>({height:r,hidden:o})),Y((r,o)=>r.height===o.height&&r.hidden===o.hidden),B(1))}function Pn(e,{header$:t,main$:r}){return H(()=>{let o=new g,n=o.pipe(ee(),oe(!0));o.pipe(X("active"),je(t)).subscribe(([{active:a},{hidden:s}])=>{e.classList.toggle("md-header--shadow",a&&!s),e.hidden=s});let i=fe(R("[title]",e)).pipe(b(()=>G("content.tooltips")),re(a=>Ge(a)));return r.subscribe(o),t.pipe(U(n),m(a=>F({ref:e},a)),$e(i.pipe(U(n))))})}function Ia(e,{viewport$:t,header$:r}){return pr(e,{viewport$:t,header$:r}).pipe(m(({offset:{y:o}})=>{let{height:n}=pe(e);return{active:o>=n}}),X("active"))}function In(e,t){return H(()=>{let r=new g;r.subscribe({next({active:n}){e.classList.toggle("md-header__title--active",n)},complete(){e.classList.remove("md-header__title--active")}});let o=me(".md-content h1");return typeof 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t=R("input",e),r=E("meta",{name:"theme-color"});document.head.appendChild(r);let o=E("meta",{name:"color-scheme"});document.head.appendChild(o);let n=At("(prefers-color-scheme: light)");return H(()=>{let i=new g;return i.subscribe(a=>{if(document.body.setAttribute("data-md-color-switching",""),a.color.media==="(prefers-color-scheme)"){let s=matchMedia("(prefers-color-scheme: light)"),c=document.querySelector(s.matches?"[data-md-color-media='(prefers-color-scheme: light)']":"[data-md-color-media='(prefers-color-scheme: dark)']");a.color.scheme=c.getAttribute("data-md-color-scheme"),a.color.primary=c.getAttribute("data-md-color-primary"),a.color.accent=c.getAttribute("data-md-color-accent")}for(let[s,c]of Object.entries(a.color))document.body.setAttribute(`data-md-color-${s}`,c);for(let s=0;sa.key==="Enter"),ne(i,(a,s)=>s)).subscribe(({index:a})=>{a=(a+1)%t.length,t[a].click(),t[a].focus()}),i.pipe(m(()=>{let a=Te("header"),s=window.getComputedStyle(a);return 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tt=Rn(Te("header"),{viewport$:_e}),$t=rt.pipe(m(()=>Te("main")),v(e=>Fn(e,{viewport$:_e,header$:tt})),B(1)),rs=T(...ie("consent").map(e=>fn(e,{target$:wt})),...ie("dialog").map(e=>$n(e,{alert$:Gr})),...ie("header").map(e=>Pn(e,{viewport$:_e,header$:tt,main$:$t})),...ie("palette").map(e=>jn(e)),...ie("progress").map(e=>Un(e,{progress$:Jr})),...ie("search").map(e=>ti(e,{index$:vi,keyboard$:Br})),...ie("source").map(e=>ai(e))),os=H(()=>T(...ie("announce").map(e=>mn(e)),...ie("content").map(e=>Hn(e,{viewport$:_e,target$:wt,print$:bi})),...ie("content").map(e=>G("search.highlight")?ri(e,{index$:vi,location$:Rt}):L),...ie("header-title").map(e=>In(e,{viewport$:_e,header$:tt})),...ie("sidebar").map(e=>e.getAttribute("data-md-type")==="navigation"?Ur(hi,()=>Qr(e,{viewport$:_e,header$:tt,main$:$t})):Ur(ur,()=>Qr(e,{viewport$:_e,header$:tt,main$:$t}))),...ie("tabs").map(e=>si(e,{viewport$:_e,header$:tt})),...ie("toc").map(e=>ci(e,{viewport$:_e,header$:tt,main$:$t,target$:wt})),...ie("top").map(e=>pi(e,{viewport$:_e,header$:tt,main$:$t,target$:wt})))),gi=rt.pipe(v(()=>os),$e(rs),B(1));gi.subscribe();window.document$=rt;window.location$=Rt;window.target$=wt;window.keyboard$=Br;window.viewport$=_e;window.tablet$=ur;window.screen$=hi;window.print$=bi;window.alert$=Gr;window.progress$=Jr;window.component$=gi;})(); +//# sourceMappingURL=bundle.1e8ae164.min.js.map + diff --git a/assets/javascripts/bundle.1e8ae164.min.js.map b/assets/javascripts/bundle.1e8ae164.min.js.map new file mode 100644 index 00000000000..6c33b8e8e67 --- /dev/null +++ b/assets/javascripts/bundle.1e8ae164.min.js.map @@ -0,0 +1,7 @@ +{ + "version": 3, + "sources": ["node_modules/focus-visible/dist/focus-visible.js", "node_modules/clipboard/dist/clipboard.js", "node_modules/escape-html/index.js", "src/templates/assets/javascripts/bundle.ts", "node_modules/rxjs/node_modules/tslib/tslib.es6.js", "node_modules/rxjs/src/internal/util/isFunction.ts", "node_modules/rxjs/src/internal/util/createErrorClass.ts", "node_modules/rxjs/src/internal/util/UnsubscriptionError.ts", "node_modules/rxjs/src/internal/util/arrRemove.ts", "node_modules/rxjs/src/internal/Subscription.ts", "node_modules/rxjs/src/internal/config.ts", "node_modules/rxjs/src/internal/scheduler/timeoutProvider.ts", "node_modules/rxjs/src/internal/util/reportUnhandledError.ts", "node_modules/rxjs/src/internal/util/noop.ts", "node_modules/rxjs/src/internal/NotificationFactories.ts", "node_modules/rxjs/src/internal/util/errorContext.ts", "node_modules/rxjs/src/internal/Subscriber.ts", "node_modules/rxjs/src/internal/symbol/observable.ts", "node_modules/rxjs/src/internal/util/identity.ts", "node_modules/rxjs/src/internal/util/pipe.ts", "node_modules/rxjs/src/internal/Observable.ts", "node_modules/rxjs/src/internal/util/lift.ts", "node_modules/rxjs/src/internal/operators/OperatorSubscriber.ts", "node_modules/rxjs/src/internal/scheduler/animationFrameProvider.ts", "node_modules/rxjs/src/internal/util/ObjectUnsubscribedError.ts", "node_modules/rxjs/src/internal/Subject.ts", "node_modules/rxjs/src/internal/scheduler/dateTimestampProvider.ts", "node_modules/rxjs/src/internal/ReplaySubject.ts", "node_modules/rxjs/src/internal/scheduler/Action.ts", "node_modules/rxjs/src/internal/scheduler/intervalProvider.ts", "node_modules/rxjs/src/internal/scheduler/AsyncAction.ts", "node_modules/rxjs/src/internal/Scheduler.ts", "node_modules/rxjs/src/internal/scheduler/AsyncScheduler.ts", "node_modules/rxjs/src/internal/scheduler/async.ts", "node_modules/rxjs/src/internal/scheduler/AnimationFrameAction.ts", "node_modules/rxjs/src/internal/scheduler/AnimationFrameScheduler.ts", "node_modules/rxjs/src/internal/scheduler/animationFrame.ts", "node_modules/rxjs/src/internal/observable/empty.ts", "node_modules/rxjs/src/internal/util/isScheduler.ts", "node_modules/rxjs/src/internal/util/args.ts", "node_modules/rxjs/src/internal/util/isArrayLike.ts", "node_modules/rxjs/src/internal/util/isPromise.ts", "node_modules/rxjs/src/internal/util/isInteropObservable.ts", "node_modules/rxjs/src/internal/util/isAsyncIterable.ts", "node_modules/rxjs/src/internal/util/throwUnobservableError.ts", "node_modules/rxjs/src/internal/symbol/iterator.ts", "node_modules/rxjs/src/internal/util/isIterable.ts", "node_modules/rxjs/src/internal/util/isReadableStreamLike.ts", "node_modules/rxjs/src/internal/observable/innerFrom.ts", "node_modules/rxjs/src/internal/util/executeSchedule.ts", "node_modules/rxjs/src/internal/operators/observeOn.ts", "node_modules/rxjs/src/internal/operators/subscribeOn.ts", "node_modules/rxjs/src/internal/scheduled/scheduleObservable.ts", "node_modules/rxjs/src/internal/scheduled/schedulePromise.ts", "node_modules/rxjs/src/internal/scheduled/scheduleArray.ts", "node_modules/rxjs/src/internal/scheduled/scheduleIterable.ts", "node_modules/rxjs/src/internal/scheduled/scheduleAsyncIterable.ts", "node_modules/rxjs/src/internal/scheduled/scheduleReadableStreamLike.ts", "node_modules/rxjs/src/internal/scheduled/scheduled.ts", "node_modules/rxjs/src/internal/observable/from.ts", "node_modules/rxjs/src/internal/observable/of.ts", "node_modules/rxjs/src/internal/observable/throwError.ts", 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"node_modules/rxjs/src/internal/operators/delay.ts", "node_modules/rxjs/src/internal/operators/distinctUntilChanged.ts", "node_modules/rxjs/src/internal/operators/distinctUntilKeyChanged.ts", "node_modules/rxjs/src/internal/operators/throwIfEmpty.ts", "node_modules/rxjs/src/internal/operators/endWith.ts", "node_modules/rxjs/src/internal/operators/finalize.ts", "node_modules/rxjs/src/internal/operators/first.ts", "node_modules/rxjs/src/internal/operators/takeLast.ts", "node_modules/rxjs/src/internal/operators/merge.ts", "node_modules/rxjs/src/internal/operators/mergeWith.ts", "node_modules/rxjs/src/internal/operators/repeat.ts", "node_modules/rxjs/src/internal/operators/scan.ts", "node_modules/rxjs/src/internal/operators/share.ts", "node_modules/rxjs/src/internal/operators/shareReplay.ts", "node_modules/rxjs/src/internal/operators/skip.ts", "node_modules/rxjs/src/internal/operators/skipUntil.ts", "node_modules/rxjs/src/internal/operators/startWith.ts", 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"src/templates/assets/javascripts/utilities/round/index.ts", "src/templates/assets/javascripts/browser/script/index.ts", "src/templates/assets/javascripts/browser/element/size/_/index.ts", "src/templates/assets/javascripts/browser/element/size/content/index.ts", "src/templates/assets/javascripts/browser/element/visibility/index.ts", "src/templates/assets/javascripts/browser/toggle/index.ts", "src/templates/assets/javascripts/browser/keyboard/index.ts", "src/templates/assets/javascripts/browser/location/_/index.ts", "src/templates/assets/javascripts/browser/location/hash/index.ts", "src/templates/assets/javascripts/browser/media/index.ts", "src/templates/assets/javascripts/browser/request/index.ts", "src/templates/assets/javascripts/browser/viewport/offset/index.ts", "src/templates/assets/javascripts/browser/viewport/size/index.ts", "src/templates/assets/javascripts/browser/viewport/_/index.ts", "src/templates/assets/javascripts/browser/viewport/at/index.ts", "src/templates/assets/javascripts/browser/worker/index.ts", "src/templates/assets/javascripts/_/index.ts", "src/templates/assets/javascripts/components/_/index.ts", "src/templates/assets/javascripts/components/announce/index.ts", "src/templates/assets/javascripts/components/consent/index.ts", "src/templates/assets/javascripts/templates/tooltip/index.tsx", "src/templates/assets/javascripts/templates/annotation/index.tsx", "src/templates/assets/javascripts/templates/clipboard/index.tsx", "src/templates/assets/javascripts/templates/search/index.tsx", "src/templates/assets/javascripts/templates/source/index.tsx", "src/templates/assets/javascripts/templates/tabbed/index.tsx", "src/templates/assets/javascripts/templates/table/index.tsx", "src/templates/assets/javascripts/templates/version/index.tsx", "src/templates/assets/javascripts/components/tooltip/index.ts", "src/templates/assets/javascripts/components/content/annotation/_/index.ts", "src/templates/assets/javascripts/components/content/annotation/list/index.ts", "src/templates/assets/javascripts/components/content/annotation/block/index.ts", "src/templates/assets/javascripts/components/content/code/_/index.ts", "src/templates/assets/javascripts/components/content/details/index.ts", "src/templates/assets/javascripts/components/content/mermaid/index.css", "src/templates/assets/javascripts/components/content/mermaid/index.ts", "src/templates/assets/javascripts/components/content/table/index.ts", "src/templates/assets/javascripts/components/content/tabs/index.ts", "src/templates/assets/javascripts/components/content/_/index.ts", "src/templates/assets/javascripts/components/dialog/index.ts", "src/templates/assets/javascripts/components/header/_/index.ts", "src/templates/assets/javascripts/components/header/title/index.ts", "src/templates/assets/javascripts/components/main/index.ts", "src/templates/assets/javascripts/components/palette/index.ts", "src/templates/assets/javascripts/components/progress/index.ts", "src/templates/assets/javascripts/integrations/clipboard/index.ts", "src/templates/assets/javascripts/integrations/sitemap/index.ts", "src/templates/assets/javascripts/integrations/instant/index.ts", "src/templates/assets/javascripts/integrations/search/highlighter/index.ts", "src/templates/assets/javascripts/integrations/search/worker/message/index.ts", "src/templates/assets/javascripts/integrations/search/worker/_/index.ts", "src/templates/assets/javascripts/integrations/version/index.ts", "src/templates/assets/javascripts/components/search/query/index.ts", "src/templates/assets/javascripts/components/search/result/index.ts", "src/templates/assets/javascripts/components/search/share/index.ts", "src/templates/assets/javascripts/components/search/suggest/index.ts", "src/templates/assets/javascripts/components/search/_/index.ts", "src/templates/assets/javascripts/components/search/highlight/index.ts", "src/templates/assets/javascripts/components/sidebar/index.ts", "src/templates/assets/javascripts/components/source/facts/github/index.ts", "src/templates/assets/javascripts/components/source/facts/gitlab/index.ts", "src/templates/assets/javascripts/components/source/facts/_/index.ts", "src/templates/assets/javascripts/components/source/_/index.ts", "src/templates/assets/javascripts/components/tabs/index.ts", "src/templates/assets/javascripts/components/toc/index.ts", "src/templates/assets/javascripts/components/top/index.ts", "src/templates/assets/javascripts/patches/ellipsis/index.ts", "src/templates/assets/javascripts/patches/indeterminate/index.ts", "src/templates/assets/javascripts/patches/scrollfix/index.ts", "src/templates/assets/javascripts/patches/scrolllock/index.ts", "src/templates/assets/javascripts/polyfills/index.ts"], + "sourcesContent": ["(function (global, factory) {\n typeof exports === 'object' && typeof module !== 'undefined' ? factory() :\n typeof define === 'function' && define.amd ? define(factory) :\n (factory());\n}(this, (function () { 'use strict';\n\n /**\n * Applies the :focus-visible polyfill at the given scope.\n * A scope in this case is either the top-level Document or a Shadow Root.\n *\n * @param {(Document|ShadowRoot)} scope\n * @see https://github.com/WICG/focus-visible\n */\n function applyFocusVisiblePolyfill(scope) {\n var hadKeyboardEvent = true;\n var hadFocusVisibleRecently = false;\n var hadFocusVisibleRecentlyTimeout = null;\n\n var inputTypesAllowlist = {\n text: true,\n search: true,\n url: true,\n tel: true,\n email: true,\n password: true,\n number: true,\n date: true,\n month: true,\n week: true,\n time: true,\n datetime: true,\n 'datetime-local': true\n };\n\n /**\n * Helper function for legacy browsers and iframes which sometimes focus\n * elements like document, body, and non-interactive SVG.\n * @param {Element} el\n */\n function isValidFocusTarget(el) {\n if (\n el &&\n el !== document &&\n el.nodeName !== 'HTML' &&\n el.nodeName !== 'BODY' &&\n 'classList' in el &&\n 'contains' in el.classList\n ) {\n return true;\n }\n return false;\n }\n\n /**\n * Computes whether the given element should automatically trigger the\n * `focus-visible` class being added, i.e. whether it should always match\n * `:focus-visible` when focused.\n * @param {Element} el\n * @return {boolean}\n */\n function focusTriggersKeyboardModality(el) {\n var type = el.type;\n var tagName = el.tagName;\n\n if (tagName === 'INPUT' && inputTypesAllowlist[type] && !el.readOnly) {\n return true;\n }\n\n if (tagName === 'TEXTAREA' && !el.readOnly) {\n return true;\n }\n\n if (el.isContentEditable) {\n return true;\n }\n\n return false;\n }\n\n /**\n * Add the `focus-visible` class to the given element if it was not added by\n * the author.\n * @param {Element} el\n */\n function addFocusVisibleClass(el) {\n if (el.classList.contains('focus-visible')) {\n return;\n }\n el.classList.add('focus-visible');\n el.setAttribute('data-focus-visible-added', '');\n }\n\n /**\n * Remove the `focus-visible` class from the given element if it was not\n * originally added by the author.\n * @param {Element} el\n */\n function removeFocusVisibleClass(el) {\n if (!el.hasAttribute('data-focus-visible-added')) {\n return;\n }\n el.classList.remove('focus-visible');\n el.removeAttribute('data-focus-visible-added');\n }\n\n /**\n * If the most recent user interaction was via the keyboard;\n * and the key press did not include a meta, alt/option, or control key;\n * then the modality is keyboard. Otherwise, the modality is not keyboard.\n * Apply `focus-visible` to any current active element and keep track\n * of our keyboard modality state with `hadKeyboardEvent`.\n * @param {KeyboardEvent} e\n */\n function onKeyDown(e) {\n if (e.metaKey || e.altKey || e.ctrlKey) {\n return;\n }\n\n if (isValidFocusTarget(scope.activeElement)) {\n addFocusVisibleClass(scope.activeElement);\n }\n\n hadKeyboardEvent = true;\n }\n\n /**\n * If at any point a user clicks with a pointing device, ensure that we change\n * the modality away from keyboard.\n * This avoids the situation where a user presses a key on an already focused\n * element, and then clicks on a different element, focusing it with a\n * pointing device, while we still think we're in keyboard modality.\n * @param {Event} e\n */\n function onPointerDown(e) {\n hadKeyboardEvent = false;\n }\n\n /**\n * On `focus`, add the `focus-visible` class to the target if:\n * - the target received focus as a result of keyboard navigation, or\n * - the event target is an element that will likely require interaction\n * via the keyboard (e.g. a text box)\n * @param {Event} e\n */\n function onFocus(e) {\n // Prevent IE from focusing the document or HTML element.\n if (!isValidFocusTarget(e.target)) {\n return;\n }\n\n if (hadKeyboardEvent || focusTriggersKeyboardModality(e.target)) {\n addFocusVisibleClass(e.target);\n }\n }\n\n /**\n * On `blur`, remove the `focus-visible` class from the target.\n * @param {Event} e\n */\n function onBlur(e) {\n if (!isValidFocusTarget(e.target)) {\n return;\n }\n\n if (\n e.target.classList.contains('focus-visible') ||\n e.target.hasAttribute('data-focus-visible-added')\n ) {\n // To detect a tab/window switch, we look for a blur event followed\n // rapidly by a visibility change.\n // If we don't see a visibility change within 100ms, it's probably a\n // regular focus change.\n hadFocusVisibleRecently = true;\n window.clearTimeout(hadFocusVisibleRecentlyTimeout);\n hadFocusVisibleRecentlyTimeout = window.setTimeout(function() {\n hadFocusVisibleRecently = false;\n }, 100);\n removeFocusVisibleClass(e.target);\n }\n }\n\n /**\n * If the user changes tabs, keep track of whether or not the previously\n * focused element had .focus-visible.\n * @param {Event} e\n */\n function onVisibilityChange(e) {\n if (document.visibilityState === 'hidden') {\n // If the tab becomes active again, the browser will handle calling focus\n // on the element (Safari actually calls it twice).\n // If this tab change caused a blur on an element with focus-visible,\n // re-apply the class when the user switches back to the tab.\n if (hadFocusVisibleRecently) {\n hadKeyboardEvent = true;\n }\n addInitialPointerMoveListeners();\n }\n }\n\n /**\n * Add a group of listeners to detect usage of any pointing devices.\n * These listeners will be added when the polyfill first loads, and anytime\n * the window is blurred, so that they are active when the window regains\n * focus.\n */\n function addInitialPointerMoveListeners() {\n document.addEventListener('mousemove', onInitialPointerMove);\n document.addEventListener('mousedown', onInitialPointerMove);\n document.addEventListener('mouseup', onInitialPointerMove);\n document.addEventListener('pointermove', onInitialPointerMove);\n document.addEventListener('pointerdown', onInitialPointerMove);\n document.addEventListener('pointerup', onInitialPointerMove);\n document.addEventListener('touchmove', onInitialPointerMove);\n document.addEventListener('touchstart', onInitialPointerMove);\n document.addEventListener('touchend', onInitialPointerMove);\n }\n\n function removeInitialPointerMoveListeners() {\n document.removeEventListener('mousemove', onInitialPointerMove);\n document.removeEventListener('mousedown', onInitialPointerMove);\n document.removeEventListener('mouseup', onInitialPointerMove);\n document.removeEventListener('pointermove', onInitialPointerMove);\n document.removeEventListener('pointerdown', onInitialPointerMove);\n document.removeEventListener('pointerup', onInitialPointerMove);\n document.removeEventListener('touchmove', onInitialPointerMove);\n document.removeEventListener('touchstart', onInitialPointerMove);\n document.removeEventListener('touchend', onInitialPointerMove);\n }\n\n /**\n * When the polfyill first loads, assume the user is in keyboard modality.\n * If any event is received from a pointing device (e.g. mouse, pointer,\n * touch), turn off keyboard modality.\n * This accounts for situations where focus enters the page from the URL bar.\n * @param {Event} e\n */\n function onInitialPointerMove(e) {\n // Work around a Safari quirk that fires a mousemove on whenever the\n // window blurs, even if you're tabbing out of the page. \u00AF\\_(\u30C4)_/\u00AF\n if (e.target.nodeName && e.target.nodeName.toLowerCase() === 'html') {\n return;\n }\n\n hadKeyboardEvent = false;\n removeInitialPointerMoveListeners();\n }\n\n // For some kinds of state, we are interested in changes at the global scope\n // only. For example, global pointer input, global key presses and global\n // visibility change should affect the state at every scope:\n document.addEventListener('keydown', onKeyDown, true);\n document.addEventListener('mousedown', onPointerDown, true);\n document.addEventListener('pointerdown', onPointerDown, true);\n document.addEventListener('touchstart', onPointerDown, true);\n document.addEventListener('visibilitychange', onVisibilityChange, true);\n\n addInitialPointerMoveListeners();\n\n // For focus and blur, we specifically care about state changes in the local\n // scope. This is because focus / blur events that originate from within a\n // shadow root are not re-dispatched from the host element if it was already\n // the active element in its own scope:\n scope.addEventListener('focus', onFocus, true);\n scope.addEventListener('blur', onBlur, true);\n\n // We detect that a node is a ShadowRoot by ensuring that it is a\n // DocumentFragment and also has a host property. This check covers native\n // implementation and polyfill implementation transparently. If we only cared\n // about the native implementation, we could just check if the scope was\n // an instance of a ShadowRoot.\n if (scope.nodeType === Node.DOCUMENT_FRAGMENT_NODE && scope.host) {\n // Since a ShadowRoot is a special kind of DocumentFragment, it does not\n // have a root element to add a class to. So, we add this attribute to the\n // host element instead:\n scope.host.setAttribute('data-js-focus-visible', '');\n } else if (scope.nodeType === Node.DOCUMENT_NODE) {\n document.documentElement.classList.add('js-focus-visible');\n document.documentElement.setAttribute('data-js-focus-visible', '');\n }\n }\n\n // It is important to wrap all references to global window and document in\n // these checks to support server-side rendering use cases\n // @see https://github.com/WICG/focus-visible/issues/199\n if (typeof window !== 'undefined' && typeof document !== 'undefined') {\n // Make the polyfill helper globally available. This can be used as a signal\n // to interested libraries that wish to coordinate with the polyfill for e.g.,\n // applying the polyfill to a shadow root:\n window.applyFocusVisiblePolyfill = applyFocusVisiblePolyfill;\n\n // Notify interested libraries of the polyfill's presence, in case the\n // polyfill was loaded lazily:\n var event;\n\n try {\n event = new CustomEvent('focus-visible-polyfill-ready');\n } catch (error) {\n // IE11 does not support using CustomEvent as a constructor directly:\n event = document.createEvent('CustomEvent');\n event.initCustomEvent('focus-visible-polyfill-ready', false, false, {});\n }\n\n window.dispatchEvent(event);\n }\n\n if (typeof document !== 'undefined') {\n // Apply the polyfill to the global document, so that no JavaScript\n // coordination is required to use the polyfill in the top-level document:\n applyFocusVisiblePolyfill(document);\n }\n\n})));\n", "/*!\n * clipboard.js v2.0.11\n * https://clipboardjs.com/\n *\n * Licensed MIT \u00A9 Zeno Rocha\n */\n(function webpackUniversalModuleDefinition(root, factory) {\n\tif(typeof exports === 'object' && typeof module === 'object')\n\t\tmodule.exports = factory();\n\telse if(typeof define === 'function' && define.amd)\n\t\tdefine([], factory);\n\telse if(typeof exports === 'object')\n\t\texports[\"ClipboardJS\"] = factory();\n\telse\n\t\troot[\"ClipboardJS\"] = factory();\n})(this, function() {\nreturn /******/ (function() { // webpackBootstrap\n/******/ \tvar __webpack_modules__ = ({\n\n/***/ 686:\n/***/ (function(__unused_webpack_module, __webpack_exports__, __webpack_require__) {\n\n\"use strict\";\n\n// EXPORTS\n__webpack_require__.d(__webpack_exports__, {\n \"default\": function() { return /* binding */ clipboard; }\n});\n\n// EXTERNAL MODULE: ./node_modules/tiny-emitter/index.js\nvar tiny_emitter = __webpack_require__(279);\nvar tiny_emitter_default = /*#__PURE__*/__webpack_require__.n(tiny_emitter);\n// EXTERNAL MODULE: ./node_modules/good-listener/src/listen.js\nvar listen = __webpack_require__(370);\nvar listen_default = /*#__PURE__*/__webpack_require__.n(listen);\n// EXTERNAL MODULE: ./node_modules/select/src/select.js\nvar src_select = __webpack_require__(817);\nvar select_default = /*#__PURE__*/__webpack_require__.n(src_select);\n;// CONCATENATED MODULE: ./src/common/command.js\n/**\n * Executes a given operation type.\n * @param {String} type\n * @return {Boolean}\n */\nfunction command(type) {\n try {\n return document.execCommand(type);\n } catch (err) {\n return false;\n }\n}\n;// CONCATENATED MODULE: ./src/actions/cut.js\n\n\n/**\n * Cut action wrapper.\n * @param {String|HTMLElement} target\n * @return {String}\n */\n\nvar ClipboardActionCut = function ClipboardActionCut(target) {\n var selectedText = select_default()(target);\n command('cut');\n return selectedText;\n};\n\n/* harmony default export */ var actions_cut = (ClipboardActionCut);\n;// CONCATENATED MODULE: ./src/common/create-fake-element.js\n/**\n * Creates a fake textarea element with a value.\n * @param {String} value\n * @return {HTMLElement}\n */\nfunction createFakeElement(value) {\n var isRTL = document.documentElement.getAttribute('dir') === 'rtl';\n var fakeElement = document.createElement('textarea'); // Prevent zooming on iOS\n\n fakeElement.style.fontSize = '12pt'; // Reset box model\n\n fakeElement.style.border = '0';\n fakeElement.style.padding = '0';\n fakeElement.style.margin = '0'; // Move element out of screen horizontally\n\n fakeElement.style.position = 'absolute';\n fakeElement.style[isRTL ? 'right' : 'left'] = '-9999px'; // Move element to the same position vertically\n\n var yPosition = window.pageYOffset || document.documentElement.scrollTop;\n fakeElement.style.top = \"\".concat(yPosition, \"px\");\n fakeElement.setAttribute('readonly', '');\n fakeElement.value = value;\n return fakeElement;\n}\n;// CONCATENATED MODULE: ./src/actions/copy.js\n\n\n\n/**\n * Create fake copy action wrapper using a fake element.\n * @param {String} target\n * @param {Object} options\n * @return {String}\n */\n\nvar fakeCopyAction = function fakeCopyAction(value, options) {\n var fakeElement = createFakeElement(value);\n options.container.appendChild(fakeElement);\n var selectedText = select_default()(fakeElement);\n command('copy');\n fakeElement.remove();\n return selectedText;\n};\n/**\n * Copy action wrapper.\n * @param {String|HTMLElement} target\n * @param {Object} options\n * @return {String}\n */\n\n\nvar ClipboardActionCopy = function ClipboardActionCopy(target) {\n var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {\n container: document.body\n };\n var selectedText = '';\n\n if (typeof target === 'string') {\n selectedText = fakeCopyAction(target, options);\n } else if (target instanceof HTMLInputElement && !['text', 'search', 'url', 'tel', 'password'].includes(target === null || target === void 0 ? void 0 : target.type)) {\n // If input type doesn't support `setSelectionRange`. Simulate it. https://developer.mozilla.org/en-US/docs/Web/API/HTMLInputElement/setSelectionRange\n selectedText = fakeCopyAction(target.value, options);\n } else {\n selectedText = select_default()(target);\n command('copy');\n }\n\n return selectedText;\n};\n\n/* harmony default export */ var actions_copy = (ClipboardActionCopy);\n;// CONCATENATED MODULE: ./src/actions/default.js\nfunction _typeof(obj) { \"@babel/helpers - typeof\"; if (typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; }; } return _typeof(obj); }\n\n\n\n/**\n * Inner function which performs selection from either `text` or `target`\n * properties and then executes copy or cut operations.\n * @param {Object} options\n */\n\nvar ClipboardActionDefault = function ClipboardActionDefault() {\n var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};\n // Defines base properties passed from constructor.\n var _options$action = options.action,\n action = _options$action === void 0 ? 'copy' : _options$action,\n container = options.container,\n target = options.target,\n text = options.text; // Sets the `action` to be performed which can be either 'copy' or 'cut'.\n\n if (action !== 'copy' && action !== 'cut') {\n throw new Error('Invalid \"action\" value, use either \"copy\" or \"cut\"');\n } // Sets the `target` property using an element that will be have its content copied.\n\n\n if (target !== undefined) {\n if (target && _typeof(target) === 'object' && target.nodeType === 1) {\n if (action === 'copy' && target.hasAttribute('disabled')) {\n throw new Error('Invalid \"target\" attribute. Please use \"readonly\" instead of \"disabled\" attribute');\n }\n\n if (action === 'cut' && (target.hasAttribute('readonly') || target.hasAttribute('disabled'))) {\n throw new Error('Invalid \"target\" attribute. You can\\'t cut text from elements with \"readonly\" or \"disabled\" attributes');\n }\n } else {\n throw new Error('Invalid \"target\" value, use a valid Element');\n }\n } // Define selection strategy based on `text` property.\n\n\n if (text) {\n return actions_copy(text, {\n container: container\n });\n } // Defines which selection strategy based on `target` property.\n\n\n if (target) {\n return action === 'cut' ? actions_cut(target) : actions_copy(target, {\n container: container\n });\n }\n};\n\n/* harmony default export */ var actions_default = (ClipboardActionDefault);\n;// CONCATENATED MODULE: ./src/clipboard.js\nfunction clipboard_typeof(obj) { \"@babel/helpers - typeof\"; if (typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\") { clipboard_typeof = function _typeof(obj) { return typeof obj; }; } else { clipboard_typeof = function _typeof(obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; }; } return clipboard_typeof(obj); }\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nfunction _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }\n\nfunction _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }\n\nfunction _inherits(subClass, superClass) { if (typeof superClass !== \"function\" && superClass !== null) { throw new TypeError(\"Super expression must either be null or a function\"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }\n\nfunction _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }\n\nfunction _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }\n\nfunction _possibleConstructorReturn(self, call) { if (call && (clipboard_typeof(call) === \"object\" || typeof call === \"function\")) { return call; } return _assertThisInitialized(self); }\n\nfunction _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\"); } return self; }\n\nfunction _isNativeReflectConstruct() { if (typeof Reflect === \"undefined\" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === \"function\") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } }\n\nfunction _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }\n\n\n\n\n\n\n/**\n * Helper function to retrieve attribute value.\n * @param {String} suffix\n * @param {Element} element\n */\n\nfunction getAttributeValue(suffix, element) {\n var attribute = \"data-clipboard-\".concat(suffix);\n\n if (!element.hasAttribute(attribute)) {\n return;\n }\n\n return element.getAttribute(attribute);\n}\n/**\n * Base class which takes one or more elements, adds event listeners to them,\n * and instantiates a new `ClipboardAction` on each click.\n */\n\n\nvar Clipboard = /*#__PURE__*/function (_Emitter) {\n _inherits(Clipboard, _Emitter);\n\n var _super = _createSuper(Clipboard);\n\n /**\n * @param {String|HTMLElement|HTMLCollection|NodeList} trigger\n * @param {Object} options\n */\n function Clipboard(trigger, options) {\n var _this;\n\n _classCallCheck(this, Clipboard);\n\n _this = _super.call(this);\n\n _this.resolveOptions(options);\n\n _this.listenClick(trigger);\n\n return _this;\n }\n /**\n * Defines if attributes would be resolved using internal setter functions\n * or custom functions that were passed in the constructor.\n * @param {Object} options\n */\n\n\n _createClass(Clipboard, [{\n key: \"resolveOptions\",\n value: function resolveOptions() {\n var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};\n this.action = typeof options.action === 'function' ? options.action : this.defaultAction;\n this.target = typeof options.target === 'function' ? options.target : this.defaultTarget;\n this.text = typeof options.text === 'function' ? options.text : this.defaultText;\n this.container = clipboard_typeof(options.container) === 'object' ? options.container : document.body;\n }\n /**\n * Adds a click event listener to the passed trigger.\n * @param {String|HTMLElement|HTMLCollection|NodeList} trigger\n */\n\n }, {\n key: \"listenClick\",\n value: function listenClick(trigger) {\n var _this2 = this;\n\n this.listener = listen_default()(trigger, 'click', function (e) {\n return _this2.onClick(e);\n });\n }\n /**\n * Defines a new `ClipboardAction` on each click event.\n * @param {Event} e\n */\n\n }, {\n key: \"onClick\",\n value: function onClick(e) {\n var trigger = e.delegateTarget || e.currentTarget;\n var action = this.action(trigger) || 'copy';\n var text = actions_default({\n action: action,\n container: this.container,\n target: this.target(trigger),\n text: this.text(trigger)\n }); // Fires an event based on the copy operation result.\n\n this.emit(text ? 'success' : 'error', {\n action: action,\n text: text,\n trigger: trigger,\n clearSelection: function clearSelection() {\n if (trigger) {\n trigger.focus();\n }\n\n window.getSelection().removeAllRanges();\n }\n });\n }\n /**\n * Default `action` lookup function.\n * @param {Element} trigger\n */\n\n }, {\n key: \"defaultAction\",\n value: function defaultAction(trigger) {\n return getAttributeValue('action', trigger);\n }\n /**\n * Default `target` lookup function.\n * @param {Element} trigger\n */\n\n }, {\n key: \"defaultTarget\",\n value: function defaultTarget(trigger) {\n var selector = getAttributeValue('target', trigger);\n\n if (selector) {\n return document.querySelector(selector);\n }\n }\n /**\n * Allow fire programmatically a copy action\n * @param {String|HTMLElement} target\n * @param {Object} options\n * @returns Text copied.\n */\n\n }, {\n key: \"defaultText\",\n\n /**\n * Default `text` lookup function.\n * @param {Element} trigger\n */\n value: function defaultText(trigger) {\n return getAttributeValue('text', trigger);\n }\n /**\n * Destroy lifecycle.\n */\n\n }, {\n key: \"destroy\",\n value: function destroy() {\n this.listener.destroy();\n }\n }], [{\n key: \"copy\",\n value: function copy(target) {\n var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {\n container: document.body\n };\n return actions_copy(target, options);\n }\n /**\n * Allow fire programmatically a cut action\n * @param {String|HTMLElement} target\n * @returns Text cutted.\n */\n\n }, {\n key: \"cut\",\n value: function cut(target) {\n return actions_cut(target);\n }\n /**\n * Returns the support of the given action, or all actions if no action is\n * given.\n * @param {String} [action]\n */\n\n }, {\n key: \"isSupported\",\n value: function isSupported() {\n var action = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : ['copy', 'cut'];\n var actions = typeof action === 'string' ? [action] : action;\n var support = !!document.queryCommandSupported;\n actions.forEach(function (action) {\n support = support && !!document.queryCommandSupported(action);\n });\n return support;\n }\n }]);\n\n return Clipboard;\n}((tiny_emitter_default()));\n\n/* harmony default export */ var clipboard = (Clipboard);\n\n/***/ }),\n\n/***/ 828:\n/***/ (function(module) {\n\nvar DOCUMENT_NODE_TYPE = 9;\n\n/**\n * A polyfill for Element.matches()\n */\nif (typeof Element !== 'undefined' && !Element.prototype.matches) {\n var proto = Element.prototype;\n\n proto.matches = proto.matchesSelector ||\n proto.mozMatchesSelector ||\n proto.msMatchesSelector ||\n proto.oMatchesSelector ||\n proto.webkitMatchesSelector;\n}\n\n/**\n * Finds the closest parent that matches a selector.\n *\n * @param {Element} element\n * @param {String} selector\n * @return {Function}\n */\nfunction closest (element, selector) {\n while (element && element.nodeType !== DOCUMENT_NODE_TYPE) {\n if (typeof element.matches === 'function' &&\n element.matches(selector)) {\n return element;\n }\n element = element.parentNode;\n }\n}\n\nmodule.exports = closest;\n\n\n/***/ }),\n\n/***/ 438:\n/***/ (function(module, __unused_webpack_exports, __webpack_require__) {\n\nvar closest = __webpack_require__(828);\n\n/**\n * Delegates event to a selector.\n *\n * @param {Element} element\n * @param {String} selector\n * @param {String} type\n * @param {Function} callback\n * @param {Boolean} useCapture\n * @return {Object}\n */\nfunction _delegate(element, selector, type, callback, useCapture) {\n var listenerFn = listener.apply(this, arguments);\n\n element.addEventListener(type, listenerFn, useCapture);\n\n return {\n destroy: function() {\n element.removeEventListener(type, listenerFn, useCapture);\n }\n }\n}\n\n/**\n * Delegates event to a selector.\n *\n * @param {Element|String|Array} [elements]\n * @param {String} selector\n * @param {String} type\n * @param {Function} callback\n * @param {Boolean} useCapture\n * @return {Object}\n */\nfunction delegate(elements, selector, type, callback, useCapture) {\n // Handle the regular Element usage\n if (typeof elements.addEventListener === 'function') {\n return _delegate.apply(null, arguments);\n }\n\n // Handle Element-less usage, it defaults to global delegation\n if (typeof type === 'function') {\n // Use `document` as the first parameter, then apply arguments\n // This is a short way to .unshift `arguments` without running into deoptimizations\n return _delegate.bind(null, document).apply(null, arguments);\n }\n\n // Handle Selector-based usage\n if (typeof elements === 'string') {\n elements = document.querySelectorAll(elements);\n }\n\n // Handle Array-like based usage\n return Array.prototype.map.call(elements, function (element) {\n return _delegate(element, selector, type, callback, useCapture);\n });\n}\n\n/**\n * Finds closest match and invokes callback.\n *\n * @param {Element} element\n * @param {String} selector\n * @param {String} type\n * @param {Function} callback\n * @return {Function}\n */\nfunction listener(element, selector, type, callback) {\n return function(e) {\n e.delegateTarget = closest(e.target, selector);\n\n if (e.delegateTarget) {\n callback.call(element, e);\n }\n }\n}\n\nmodule.exports = delegate;\n\n\n/***/ }),\n\n/***/ 879:\n/***/ (function(__unused_webpack_module, exports) {\n\n/**\n * Check if argument is a HTML element.\n *\n * @param {Object} value\n * @return {Boolean}\n */\nexports.node = function(value) {\n return value !== undefined\n && value instanceof HTMLElement\n && value.nodeType === 1;\n};\n\n/**\n * Check if argument is a list of HTML elements.\n *\n * @param {Object} value\n * @return {Boolean}\n */\nexports.nodeList = function(value) {\n var type = Object.prototype.toString.call(value);\n\n return value !== undefined\n && (type === '[object NodeList]' || type === '[object HTMLCollection]')\n && ('length' in value)\n && (value.length === 0 || exports.node(value[0]));\n};\n\n/**\n * Check if argument is a string.\n *\n * @param {Object} value\n * @return {Boolean}\n */\nexports.string = function(value) {\n return typeof value === 'string'\n || value instanceof String;\n};\n\n/**\n * Check if argument is a function.\n *\n * @param {Object} value\n * @return {Boolean}\n */\nexports.fn = function(value) {\n var type = Object.prototype.toString.call(value);\n\n return type === '[object Function]';\n};\n\n\n/***/ }),\n\n/***/ 370:\n/***/ (function(module, __unused_webpack_exports, __webpack_require__) {\n\nvar is = __webpack_require__(879);\nvar delegate = __webpack_require__(438);\n\n/**\n * Validates all params and calls the right\n * listener function based on its target type.\n *\n * @param {String|HTMLElement|HTMLCollection|NodeList} target\n * @param {String} type\n * @param {Function} callback\n * @return {Object}\n */\nfunction listen(target, type, callback) {\n if (!target && !type && !callback) {\n throw new Error('Missing required arguments');\n }\n\n if (!is.string(type)) {\n throw new TypeError('Second argument must be a String');\n }\n\n if (!is.fn(callback)) {\n throw new TypeError('Third argument must be a Function');\n }\n\n if (is.node(target)) {\n return listenNode(target, type, callback);\n }\n else if (is.nodeList(target)) {\n return listenNodeList(target, type, callback);\n }\n else if (is.string(target)) {\n return listenSelector(target, type, callback);\n }\n else {\n throw new TypeError('First argument must be a String, HTMLElement, HTMLCollection, or NodeList');\n }\n}\n\n/**\n * Adds an event listener to a HTML element\n * and returns a remove listener function.\n *\n * @param {HTMLElement} node\n * @param {String} type\n * @param {Function} callback\n * @return {Object}\n */\nfunction listenNode(node, type, callback) {\n node.addEventListener(type, callback);\n\n return {\n destroy: function() {\n node.removeEventListener(type, callback);\n }\n }\n}\n\n/**\n * Add an event listener to a list of HTML elements\n * and returns a remove listener function.\n *\n * @param {NodeList|HTMLCollection} nodeList\n * @param {String} type\n * @param {Function} callback\n * @return {Object}\n */\nfunction listenNodeList(nodeList, type, callback) {\n Array.prototype.forEach.call(nodeList, function(node) {\n node.addEventListener(type, callback);\n });\n\n return {\n destroy: function() {\n Array.prototype.forEach.call(nodeList, function(node) {\n node.removeEventListener(type, callback);\n });\n }\n }\n}\n\n/**\n * Add an event listener to a selector\n * and returns a remove listener function.\n *\n * @param {String} selector\n * @param {String} type\n * @param {Function} callback\n * @return {Object}\n */\nfunction listenSelector(selector, type, callback) {\n return delegate(document.body, selector, type, callback);\n}\n\nmodule.exports = listen;\n\n\n/***/ }),\n\n/***/ 817:\n/***/ (function(module) {\n\nfunction select(element) {\n var selectedText;\n\n if (element.nodeName === 'SELECT') {\n element.focus();\n\n selectedText = element.value;\n }\n else if (element.nodeName === 'INPUT' || element.nodeName === 'TEXTAREA') {\n var isReadOnly = element.hasAttribute('readonly');\n\n if (!isReadOnly) {\n element.setAttribute('readonly', '');\n }\n\n element.select();\n element.setSelectionRange(0, element.value.length);\n\n if (!isReadOnly) {\n element.removeAttribute('readonly');\n }\n\n selectedText = element.value;\n }\n else {\n if (element.hasAttribute('contenteditable')) {\n element.focus();\n }\n\n var selection = window.getSelection();\n var range = document.createRange();\n\n range.selectNodeContents(element);\n selection.removeAllRanges();\n selection.addRange(range);\n\n selectedText = selection.toString();\n }\n\n return selectedText;\n}\n\nmodule.exports = select;\n\n\n/***/ }),\n\n/***/ 279:\n/***/ (function(module) {\n\nfunction E () {\n // Keep this empty so it's easier to inherit from\n // (via https://github.com/lipsmack from https://github.com/scottcorgan/tiny-emitter/issues/3)\n}\n\nE.prototype = {\n on: function (name, callback, ctx) {\n var e = this.e || (this.e = {});\n\n (e[name] || (e[name] = [])).push({\n fn: callback,\n ctx: ctx\n });\n\n return this;\n },\n\n once: function (name, callback, ctx) {\n var self = this;\n function listener () {\n self.off(name, listener);\n callback.apply(ctx, arguments);\n };\n\n listener._ = callback\n return this.on(name, listener, ctx);\n },\n\n emit: function (name) {\n var data = [].slice.call(arguments, 1);\n var evtArr = ((this.e || (this.e = {}))[name] || []).slice();\n var i = 0;\n var len = evtArr.length;\n\n for (i; i < len; i++) {\n evtArr[i].fn.apply(evtArr[i].ctx, data);\n }\n\n return this;\n },\n\n off: function (name, callback) {\n var e = this.e || (this.e = {});\n var evts = e[name];\n var liveEvents = [];\n\n if (evts && callback) {\n for (var i = 0, len = evts.length; i < len; i++) {\n if (evts[i].fn !== callback && evts[i].fn._ !== callback)\n liveEvents.push(evts[i]);\n }\n }\n\n // Remove event from queue to prevent memory leak\n // Suggested by https://github.com/lazd\n // Ref: https://github.com/scottcorgan/tiny-emitter/commit/c6ebfaa9bc973b33d110a84a307742b7cf94c953#commitcomment-5024910\n\n (liveEvents.length)\n ? e[name] = liveEvents\n : delete e[name];\n\n return this;\n }\n};\n\nmodule.exports = E;\nmodule.exports.TinyEmitter = E;\n\n\n/***/ })\n\n/******/ \t});\n/************************************************************************/\n/******/ \t// The module cache\n/******/ \tvar __webpack_module_cache__ = {};\n/******/ \t\n/******/ \t// The require function\n/******/ \tfunction __webpack_require__(moduleId) {\n/******/ \t\t// Check if module is in cache\n/******/ \t\tif(__webpack_module_cache__[moduleId]) {\n/******/ \t\t\treturn __webpack_module_cache__[moduleId].exports;\n/******/ \t\t}\n/******/ \t\t// Create a new module (and put it into the cache)\n/******/ \t\tvar module = __webpack_module_cache__[moduleId] = {\n/******/ \t\t\t// no module.id needed\n/******/ \t\t\t// no module.loaded needed\n/******/ \t\t\texports: {}\n/******/ \t\t};\n/******/ \t\n/******/ \t\t// Execute the module function\n/******/ \t\t__webpack_modules__[moduleId](module, module.exports, __webpack_require__);\n/******/ \t\n/******/ \t\t// Return the exports of the module\n/******/ \t\treturn module.exports;\n/******/ \t}\n/******/ \t\n/************************************************************************/\n/******/ \t/* webpack/runtime/compat get default export */\n/******/ \t!function() {\n/******/ \t\t// getDefaultExport function for compatibility with non-harmony modules\n/******/ \t\t__webpack_require__.n = function(module) {\n/******/ \t\t\tvar getter = module && module.__esModule ?\n/******/ \t\t\t\tfunction() { return module['default']; } :\n/******/ \t\t\t\tfunction() { return module; };\n/******/ \t\t\t__webpack_require__.d(getter, { a: getter });\n/******/ \t\t\treturn getter;\n/******/ \t\t};\n/******/ \t}();\n/******/ \t\n/******/ \t/* webpack/runtime/define property getters */\n/******/ \t!function() {\n/******/ \t\t// define getter functions for harmony exports\n/******/ \t\t__webpack_require__.d = function(exports, definition) {\n/******/ \t\t\tfor(var key in definition) {\n/******/ \t\t\t\tif(__webpack_require__.o(definition, key) && !__webpack_require__.o(exports, key)) {\n/******/ \t\t\t\t\tObject.defineProperty(exports, key, { enumerable: true, get: definition[key] });\n/******/ \t\t\t\t}\n/******/ \t\t\t}\n/******/ \t\t};\n/******/ \t}();\n/******/ \t\n/******/ \t/* webpack/runtime/hasOwnProperty shorthand */\n/******/ \t!function() {\n/******/ \t\t__webpack_require__.o = function(obj, prop) { return Object.prototype.hasOwnProperty.call(obj, prop); }\n/******/ \t}();\n/******/ \t\n/************************************************************************/\n/******/ \t// module exports must be returned from runtime so entry inlining is disabled\n/******/ \t// startup\n/******/ \t// Load entry module and return exports\n/******/ \treturn __webpack_require__(686);\n/******/ })()\n.default;\n});", "/*!\n * escape-html\n * Copyright(c) 2012-2013 TJ Holowaychuk\n * Copyright(c) 2015 Andreas Lubbe\n * Copyright(c) 2015 Tiancheng \"Timothy\" Gu\n * MIT Licensed\n */\n\n'use strict';\n\n/**\n * Module variables.\n * @private\n */\n\nvar matchHtmlRegExp = /[\"'&<>]/;\n\n/**\n * Module exports.\n * @public\n */\n\nmodule.exports = escapeHtml;\n\n/**\n * Escape special characters in the given string of html.\n *\n * @param {string} string The string to escape for inserting into HTML\n * @return {string}\n * @public\n */\n\nfunction escapeHtml(string) {\n var str = '' + string;\n var match = matchHtmlRegExp.exec(str);\n\n if (!match) {\n return str;\n }\n\n var escape;\n var html = '';\n var index = 0;\n var lastIndex = 0;\n\n for (index = match.index; index < str.length; index++) {\n switch (str.charCodeAt(index)) {\n case 34: // \"\n escape = '"';\n break;\n case 38: // &\n escape = '&';\n break;\n case 39: // '\n escape = ''';\n break;\n case 60: // <\n escape = '<';\n break;\n case 62: // >\n escape = '>';\n break;\n default:\n continue;\n }\n\n if (lastIndex !== index) {\n html += str.substring(lastIndex, index);\n }\n\n lastIndex = index + 1;\n html += escape;\n }\n\n return lastIndex !== index\n ? html + str.substring(lastIndex, index)\n : html;\n}\n", "/*\n * Copyright (c) 2016-2024 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport \"focus-visible\"\n\nimport {\n EMPTY,\n NEVER,\n Observable,\n Subject,\n defer,\n delay,\n filter,\n map,\n merge,\n mergeWith,\n shareReplay,\n switchMap\n} from \"rxjs\"\n\nimport { configuration, feature } from \"./_\"\nimport {\n at,\n getActiveElement,\n getOptionalElement,\n requestJSON,\n setLocation,\n setToggle,\n watchDocument,\n watchKeyboard,\n watchLocation,\n watchLocationTarget,\n watchMedia,\n watchPrint,\n watchScript,\n watchViewport\n} from \"./browser\"\nimport {\n getComponentElement,\n getComponentElements,\n mountAnnounce,\n mountBackToTop,\n mountConsent,\n mountContent,\n mountDialog,\n mountHeader,\n mountHeaderTitle,\n mountPalette,\n mountProgress,\n mountSearch,\n mountSearchHiglight,\n mountSidebar,\n mountSource,\n mountTableOfContents,\n mountTabs,\n watchHeader,\n watchMain\n} from \"./components\"\nimport {\n SearchIndex,\n setupClipboardJS,\n setupInstantNavigation,\n setupVersionSelector\n} from \"./integrations\"\nimport {\n patchEllipsis,\n patchIndeterminate,\n patchScrollfix,\n patchScrolllock\n} from \"./patches\"\nimport \"./polyfills\"\n\n/* ----------------------------------------------------------------------------\n * Functions - @todo refactor\n * ------------------------------------------------------------------------- */\n\n/**\n * Fetch search index\n *\n * @returns Search index observable\n */\nfunction fetchSearchIndex(): Observable {\n if (location.protocol === \"file:\") {\n return watchScript(\n `${new URL(\"search/search_index.js\", config.base)}`\n )\n .pipe(\n // @ts-ignore - @todo fix typings\n map(() => __index),\n shareReplay(1)\n )\n } else {\n return requestJSON(\n new URL(\"search/search_index.json\", config.base)\n )\n }\n}\n\n/* ----------------------------------------------------------------------------\n * Application\n * ------------------------------------------------------------------------- */\n\n/* Yay, JavaScript is available */\ndocument.documentElement.classList.remove(\"no-js\")\ndocument.documentElement.classList.add(\"js\")\n\n/* Set up navigation observables and subjects */\nconst document$ = watchDocument()\nconst location$ = watchLocation()\nconst target$ = watchLocationTarget(location$)\nconst keyboard$ = watchKeyboard()\n\n/* Set up media observables */\nconst viewport$ = watchViewport()\nconst tablet$ = watchMedia(\"(min-width: 960px)\")\nconst screen$ = watchMedia(\"(min-width: 1220px)\")\nconst print$ = watchPrint()\n\n/* Retrieve search index, if search is enabled */\nconst config = configuration()\nconst index$ = document.forms.namedItem(\"search\")\n ? fetchSearchIndex()\n : NEVER\n\n/* Set up Clipboard.js integration */\nconst alert$ = new Subject()\nsetupClipboardJS({ alert$ })\n\n/* Set up progress indicator */\nconst progress$ = new Subject()\n\n/* Set up instant navigation, if enabled */\nif (feature(\"navigation.instant\"))\n setupInstantNavigation({ location$, viewport$, progress$ })\n .subscribe(document$)\n\n/* Set up version selector */\nif (config.version?.provider === \"mike\")\n setupVersionSelector({ document$ })\n\n/* Always close drawer and search on navigation */\nmerge(location$, target$)\n .pipe(\n delay(125)\n )\n .subscribe(() => {\n setToggle(\"drawer\", false)\n setToggle(\"search\", false)\n })\n\n/* Set up global keyboard handlers */\nkeyboard$\n .pipe(\n filter(({ mode }) => mode === \"global\")\n )\n .subscribe(key => {\n switch (key.type) {\n\n /* Go to previous page */\n case \"p\":\n case \",\":\n const prev = getOptionalElement(\"link[rel=prev]\")\n if (typeof prev !== \"undefined\")\n setLocation(prev)\n break\n\n /* Go to next page */\n case \"n\":\n case \".\":\n const next = getOptionalElement(\"link[rel=next]\")\n if (typeof next !== \"undefined\")\n setLocation(next)\n break\n\n /* Expand navigation, see https://bit.ly/3ZjG5io */\n case \"Enter\":\n const active = getActiveElement()\n if (active instanceof HTMLLabelElement)\n active.click()\n }\n })\n\n/* Set up patches */\npatchEllipsis({ document$ })\npatchIndeterminate({ document$, tablet$ })\npatchScrollfix({ document$ })\npatchScrolllock({ viewport$, tablet$ })\n\n/* Set up header and main area observable */\nconst header$ = watchHeader(getComponentElement(\"header\"), { viewport$ })\nconst main$ = document$\n .pipe(\n map(() => getComponentElement(\"main\")),\n switchMap(el => watchMain(el, { viewport$, header$ })),\n shareReplay(1)\n )\n\n/* Set up control component observables */\nconst control$ = merge(\n\n /* Consent */\n ...getComponentElements(\"consent\")\n .map(el => mountConsent(el, { target$ })),\n\n /* Dialog */\n ...getComponentElements(\"dialog\")\n .map(el => mountDialog(el, { alert$ })),\n\n /* Header */\n ...getComponentElements(\"header\")\n .map(el => mountHeader(el, { viewport$, header$, main$ })),\n\n /* Color palette */\n ...getComponentElements(\"palette\")\n .map(el => mountPalette(el)),\n\n /* Progress bar */\n ...getComponentElements(\"progress\")\n .map(el => mountProgress(el, { progress$ })),\n\n /* Search */\n ...getComponentElements(\"search\")\n .map(el => mountSearch(el, { index$, keyboard$ })),\n\n /* Repository information */\n ...getComponentElements(\"source\")\n .map(el => mountSource(el))\n)\n\n/* Set up content component observables */\nconst content$ = defer(() => merge(\n\n /* Announcement bar */\n ...getComponentElements(\"announce\")\n .map(el => mountAnnounce(el)),\n\n /* Content */\n ...getComponentElements(\"content\")\n .map(el => mountContent(el, { viewport$, target$, print$ })),\n\n /* Search highlighting */\n ...getComponentElements(\"content\")\n .map(el => feature(\"search.highlight\")\n ? mountSearchHiglight(el, { index$, location$ })\n : EMPTY\n ),\n\n /* Header title */\n ...getComponentElements(\"header-title\")\n .map(el => mountHeaderTitle(el, { viewport$, header$ })),\n\n /* Sidebar */\n ...getComponentElements(\"sidebar\")\n .map(el => el.getAttribute(\"data-md-type\") === \"navigation\"\n ? at(screen$, () => mountSidebar(el, { viewport$, header$, main$ }))\n : at(tablet$, () => mountSidebar(el, { viewport$, header$, main$ }))\n ),\n\n /* Navigation tabs */\n ...getComponentElements(\"tabs\")\n .map(el => mountTabs(el, { viewport$, header$ })),\n\n /* Table of contents */\n ...getComponentElements(\"toc\")\n .map(el => mountTableOfContents(el, {\n viewport$, header$, main$, target$\n })),\n\n /* Back-to-top button */\n ...getComponentElements(\"top\")\n .map(el => mountBackToTop(el, { viewport$, header$, main$, target$ }))\n))\n\n/* Set up component observables */\nconst component$ = document$\n .pipe(\n switchMap(() => content$),\n mergeWith(control$),\n shareReplay(1)\n )\n\n/* Subscribe to all components */\ncomponent$.subscribe()\n\n/* ----------------------------------------------------------------------------\n * Exports\n * ------------------------------------------------------------------------- */\n\nwindow.document$ = document$ /* Document observable */\nwindow.location$ = location$ /* Location subject */\nwindow.target$ = target$ /* Location target observable */\nwindow.keyboard$ = keyboard$ /* Keyboard observable */\nwindow.viewport$ = viewport$ /* Viewport observable */\nwindow.tablet$ = tablet$ /* Media tablet observable */\nwindow.screen$ = screen$ /* Media screen observable */\nwindow.print$ = print$ /* Media print observable */\nwindow.alert$ = alert$ /* Alert subject */\nwindow.progress$ = progress$ /* Progress indicator subject */\nwindow.component$ = component$ /* Component observable */\n", "/*! *****************************************************************************\r\nCopyright (c) Microsoft Corporation.\r\n\r\nPermission to use, copy, modify, and/or distribute this software for any\r\npurpose with or without fee is hereby granted.\r\n\r\nTHE SOFTWARE IS PROVIDED \"AS IS\" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH\r\nREGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY\r\nAND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,\r\nINDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM\r\nLOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR\r\nOTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR\r\nPERFORMANCE OF THIS SOFTWARE.\r\n***************************************************************************** */\r\n/* global Reflect, Promise */\r\n\r\nvar extendStatics = function(d, b) {\r\n extendStatics = Object.setPrototypeOf ||\r\n ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||\r\n function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };\r\n return extendStatics(d, b);\r\n};\r\n\r\nexport function __extends(d, b) {\r\n if (typeof b !== \"function\" && b !== null)\r\n throw new TypeError(\"Class extends value \" + String(b) + \" is not a constructor or null\");\r\n extendStatics(d, b);\r\n function __() { this.constructor = d; }\r\n d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());\r\n}\r\n\r\nexport var __assign = function() {\r\n __assign = Object.assign || function __assign(t) {\r\n for (var s, i = 1, n = arguments.length; i < n; i++) {\r\n s = arguments[i];\r\n for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p)) t[p] = s[p];\r\n }\r\n return t;\r\n }\r\n return __assign.apply(this, arguments);\r\n}\r\n\r\nexport function __rest(s, e) {\r\n var t = {};\r\n for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0)\r\n t[p] = s[p];\r\n if (s != null && typeof Object.getOwnPropertySymbols === \"function\")\r\n for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) {\r\n if (e.indexOf(p[i]) < 0 && Object.prototype.propertyIsEnumerable.call(s, p[i]))\r\n t[p[i]] = s[p[i]];\r\n }\r\n return t;\r\n}\r\n\r\nexport function __decorate(decorators, target, key, desc) {\r\n var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;\r\n if (typeof Reflect === \"object\" && typeof Reflect.decorate === \"function\") r = Reflect.decorate(decorators, target, key, desc);\r\n else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;\r\n return c > 3 && r && Object.defineProperty(target, key, r), r;\r\n}\r\n\r\nexport function __param(paramIndex, decorator) {\r\n return function (target, key) { decorator(target, key, paramIndex); }\r\n}\r\n\r\nexport function __metadata(metadataKey, metadataValue) {\r\n if (typeof Reflect === \"object\" && typeof Reflect.metadata === \"function\") return Reflect.metadata(metadataKey, metadataValue);\r\n}\r\n\r\nexport function __awaiter(thisArg, _arguments, P, generator) {\r\n function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }\r\n return new (P || (P = Promise))(function (resolve, reject) {\r\n function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }\r\n function rejected(value) { try { step(generator[\"throw\"](value)); } catch (e) { reject(e); } }\r\n function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }\r\n step((generator = generator.apply(thisArg, _arguments || [])).next());\r\n });\r\n}\r\n\r\nexport function __generator(thisArg, body) {\r\n var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;\r\n return g = { next: verb(0), \"throw\": verb(1), \"return\": verb(2) }, typeof Symbol === \"function\" && (g[Symbol.iterator] = function() { return this; }), g;\r\n function verb(n) { return function (v) { return step([n, v]); }; }\r\n function step(op) {\r\n if (f) throw new TypeError(\"Generator is already executing.\");\r\n while (_) try {\r\n if (f = 1, y && (t = op[0] & 2 ? y[\"return\"] : op[0] ? y[\"throw\"] || ((t = y[\"return\"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;\r\n if (y = 0, t) op = [op[0] & 2, t.value];\r\n switch (op[0]) {\r\n case 0: case 1: t = op; break;\r\n case 4: _.label++; return { value: op[1], done: false };\r\n case 5: _.label++; y = op[1]; op = [0]; continue;\r\n case 7: op = _.ops.pop(); _.trys.pop(); continue;\r\n default:\r\n if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }\r\n if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }\r\n if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }\r\n if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }\r\n if (t[2]) _.ops.pop();\r\n _.trys.pop(); continue;\r\n }\r\n op = body.call(thisArg, _);\r\n } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }\r\n if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };\r\n }\r\n}\r\n\r\nexport var __createBinding = Object.create ? (function(o, m, k, k2) {\r\n if (k2 === undefined) k2 = k;\r\n Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });\r\n}) : (function(o, m, k, k2) {\r\n if (k2 === undefined) k2 = k;\r\n o[k2] = m[k];\r\n});\r\n\r\nexport function __exportStar(m, o) {\r\n for (var p in m) if (p !== \"default\" && !Object.prototype.hasOwnProperty.call(o, p)) __createBinding(o, m, p);\r\n}\r\n\r\nexport function __values(o) {\r\n var s = typeof Symbol === \"function\" && Symbol.iterator, m = s && o[s], i = 0;\r\n if (m) return m.call(o);\r\n if (o && typeof o.length === \"number\") return {\r\n next: function () {\r\n if (o && i >= o.length) o = void 0;\r\n return { value: o && o[i++], done: !o };\r\n }\r\n };\r\n throw new TypeError(s ? \"Object is not iterable.\" : \"Symbol.iterator is not defined.\");\r\n}\r\n\r\nexport function __read(o, n) {\r\n var m = typeof Symbol === \"function\" && o[Symbol.iterator];\r\n if (!m) return o;\r\n var i = m.call(o), r, ar = [], e;\r\n try {\r\n while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);\r\n }\r\n catch (error) { e = { error: error }; }\r\n finally {\r\n try {\r\n if (r && !r.done && (m = i[\"return\"])) m.call(i);\r\n }\r\n finally { if (e) throw e.error; }\r\n }\r\n return ar;\r\n}\r\n\r\n/** @deprecated */\r\nexport function __spread() {\r\n for (var ar = [], i = 0; i < arguments.length; i++)\r\n ar = ar.concat(__read(arguments[i]));\r\n return ar;\r\n}\r\n\r\n/** @deprecated */\r\nexport function __spreadArrays() {\r\n for (var s = 0, i = 0, il = arguments.length; i < il; i++) s += arguments[i].length;\r\n for (var r = Array(s), k = 0, i = 0; i < il; i++)\r\n for (var a = arguments[i], j = 0, jl = a.length; j < jl; j++, k++)\r\n r[k] = a[j];\r\n return r;\r\n}\r\n\r\nexport function __spreadArray(to, from, pack) {\r\n if (pack || arguments.length === 2) for (var i = 0, l = from.length, ar; i < l; i++) {\r\n if (ar || !(i in from)) {\r\n if (!ar) ar = Array.prototype.slice.call(from, 0, i);\r\n ar[i] = from[i];\r\n }\r\n }\r\n return to.concat(ar || Array.prototype.slice.call(from));\r\n}\r\n\r\nexport function __await(v) {\r\n return this instanceof __await ? (this.v = v, this) : new __await(v);\r\n}\r\n\r\nexport function __asyncGenerator(thisArg, _arguments, generator) {\r\n if (!Symbol.asyncIterator) throw new TypeError(\"Symbol.asyncIterator is not defined.\");\r\n var g = generator.apply(thisArg, _arguments || []), i, q = [];\r\n return i = {}, verb(\"next\"), verb(\"throw\"), verb(\"return\"), i[Symbol.asyncIterator] = function () { return this; }, i;\r\n function verb(n) { if (g[n]) i[n] = function (v) { return new Promise(function (a, b) { q.push([n, v, a, b]) > 1 || resume(n, v); }); }; }\r\n function resume(n, v) { try { step(g[n](v)); } catch (e) { settle(q[0][3], e); } }\r\n function step(r) { r.value instanceof __await ? Promise.resolve(r.value.v).then(fulfill, reject) : settle(q[0][2], r); }\r\n function fulfill(value) { resume(\"next\", value); }\r\n function reject(value) { resume(\"throw\", value); }\r\n function settle(f, v) { if (f(v), q.shift(), q.length) resume(q[0][0], q[0][1]); }\r\n}\r\n\r\nexport function __asyncDelegator(o) {\r\n var i, p;\r\n return i = {}, verb(\"next\"), verb(\"throw\", function (e) { throw e; }), verb(\"return\"), i[Symbol.iterator] = function () { return this; }, i;\r\n function verb(n, f) { i[n] = o[n] ? function (v) { return (p = !p) ? { value: __await(o[n](v)), done: n === \"return\" } : f ? f(v) : v; } : f; }\r\n}\r\n\r\nexport function __asyncValues(o) {\r\n if (!Symbol.asyncIterator) throw new TypeError(\"Symbol.asyncIterator is not defined.\");\r\n var m = o[Symbol.asyncIterator], i;\r\n return m ? m.call(o) : (o = typeof __values === \"function\" ? __values(o) : o[Symbol.iterator](), i = {}, verb(\"next\"), verb(\"throw\"), verb(\"return\"), i[Symbol.asyncIterator] = function () { return this; }, i);\r\n function verb(n) { i[n] = o[n] && function (v) { return new Promise(function (resolve, reject) { v = o[n](v), settle(resolve, reject, v.done, v.value); }); }; }\r\n function settle(resolve, reject, d, v) { Promise.resolve(v).then(function(v) { resolve({ value: v, done: d }); }, reject); }\r\n}\r\n\r\nexport function __makeTemplateObject(cooked, raw) {\r\n if (Object.defineProperty) { Object.defineProperty(cooked, \"raw\", { value: raw }); } else { cooked.raw = raw; }\r\n return cooked;\r\n};\r\n\r\nvar __setModuleDefault = Object.create ? (function(o, v) {\r\n Object.defineProperty(o, \"default\", { enumerable: true, value: v });\r\n}) : function(o, v) {\r\n o[\"default\"] = v;\r\n};\r\n\r\nexport function __importStar(mod) {\r\n if (mod && mod.__esModule) return mod;\r\n var result = {};\r\n if (mod != null) for (var k in mod) if (k !== \"default\" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);\r\n __setModuleDefault(result, mod);\r\n return result;\r\n}\r\n\r\nexport function __importDefault(mod) {\r\n return (mod && mod.__esModule) ? mod : { default: mod };\r\n}\r\n\r\nexport function __classPrivateFieldGet(receiver, state, kind, f) {\r\n if (kind === \"a\" && !f) throw new TypeError(\"Private accessor was defined without a getter\");\r\n if (typeof state === \"function\" ? receiver !== state || !f : !state.has(receiver)) throw new TypeError(\"Cannot read private member from an object whose class did not declare it\");\r\n return kind === \"m\" ? f : kind === \"a\" ? f.call(receiver) : f ? f.value : state.get(receiver);\r\n}\r\n\r\nexport function __classPrivateFieldSet(receiver, state, value, kind, f) {\r\n if (kind === \"m\") throw new TypeError(\"Private method is not writable\");\r\n if (kind === \"a\" && !f) throw new TypeError(\"Private accessor was defined without a setter\");\r\n if (typeof state === \"function\" ? receiver !== state || !f : !state.has(receiver)) throw new TypeError(\"Cannot write private member to an object whose class did not declare it\");\r\n return (kind === \"a\" ? f.call(receiver, value) : f ? f.value = value : state.set(receiver, value)), value;\r\n}\r\n", "/**\n * Returns true if the object is a function.\n * @param value The value to check\n */\nexport function isFunction(value: any): value is (...args: any[]) => any {\n return typeof value === 'function';\n}\n", "/**\n * Used to create Error subclasses until the community moves away from ES5.\n *\n * This is because compiling from TypeScript down to ES5 has issues with subclassing Errors\n * as well as other built-in types: https://github.com/Microsoft/TypeScript/issues/12123\n *\n * @param createImpl A factory function to create the actual constructor implementation. The returned\n * function should be a named function that calls `_super` internally.\n */\nexport function createErrorClass(createImpl: (_super: any) => any): T {\n const _super = (instance: any) => {\n Error.call(instance);\n instance.stack = new Error().stack;\n };\n\n const ctorFunc = createImpl(_super);\n ctorFunc.prototype = Object.create(Error.prototype);\n ctorFunc.prototype.constructor = ctorFunc;\n return ctorFunc;\n}\n", "import { createErrorClass } from './createErrorClass';\n\nexport interface UnsubscriptionError extends Error {\n readonly errors: any[];\n}\n\nexport interface UnsubscriptionErrorCtor {\n /**\n * @deprecated Internal implementation detail. Do not construct error instances.\n * Cannot be tagged as internal: https://github.com/ReactiveX/rxjs/issues/6269\n */\n new (errors: any[]): UnsubscriptionError;\n}\n\n/**\n * An error thrown when one or more errors have occurred during the\n * `unsubscribe` of a {@link Subscription}.\n */\nexport const UnsubscriptionError: UnsubscriptionErrorCtor = createErrorClass(\n (_super) =>\n function UnsubscriptionErrorImpl(this: any, errors: (Error | string)[]) {\n _super(this);\n this.message = errors\n ? `${errors.length} errors occurred during unsubscription:\n${errors.map((err, i) => `${i + 1}) ${err.toString()}`).join('\\n ')}`\n : '';\n this.name = 'UnsubscriptionError';\n this.errors = errors;\n }\n);\n", "/**\n * Removes an item from an array, mutating it.\n * @param arr The array to remove the item from\n * @param item The item to remove\n */\nexport function arrRemove(arr: T[] | undefined | null, item: T) {\n if (arr) {\n const index = arr.indexOf(item);\n 0 <= index && arr.splice(index, 1);\n }\n}\n", "import { isFunction } from './util/isFunction';\nimport { UnsubscriptionError } from './util/UnsubscriptionError';\nimport { SubscriptionLike, TeardownLogic, Unsubscribable } from './types';\nimport { arrRemove } from './util/arrRemove';\n\n/**\n * Represents a disposable resource, such as the execution of an Observable. A\n * Subscription has one important method, `unsubscribe`, that takes no argument\n * and just disposes the resource held by the subscription.\n *\n * Additionally, subscriptions may be grouped together through the `add()`\n * method, which will attach a child Subscription to the current Subscription.\n * When a Subscription is unsubscribed, all its children (and its grandchildren)\n * will be unsubscribed as well.\n *\n * @class Subscription\n */\nexport class Subscription implements SubscriptionLike {\n /** @nocollapse */\n public static EMPTY = (() => {\n const empty = new Subscription();\n empty.closed = true;\n return empty;\n })();\n\n /**\n * A flag to indicate whether this Subscription has already been unsubscribed.\n */\n public closed = false;\n\n private _parentage: Subscription[] | Subscription | null = null;\n\n /**\n * The list of registered finalizers to execute upon unsubscription. Adding and removing from this\n * list occurs in the {@link #add} and {@link #remove} methods.\n */\n private _finalizers: Exclude[] | null = null;\n\n /**\n * @param initialTeardown A function executed first as part of the finalization\n * process that is kicked off when {@link #unsubscribe} is called.\n */\n constructor(private initialTeardown?: () => void) {}\n\n /**\n * Disposes the resources held by the subscription. May, for instance, cancel\n * an ongoing Observable execution or cancel any other type of work that\n * started when the Subscription was created.\n * @return {void}\n */\n unsubscribe(): void {\n let errors: any[] | undefined;\n\n if (!this.closed) {\n this.closed = true;\n\n // Remove this from it's parents.\n const { _parentage } = this;\n if (_parentage) {\n this._parentage = null;\n if (Array.isArray(_parentage)) {\n for (const parent of _parentage) {\n parent.remove(this);\n }\n } else {\n _parentage.remove(this);\n }\n }\n\n const { initialTeardown: initialFinalizer } = this;\n if (isFunction(initialFinalizer)) {\n try {\n initialFinalizer();\n } catch (e) {\n errors = e instanceof UnsubscriptionError ? e.errors : [e];\n }\n }\n\n const { _finalizers } = this;\n if (_finalizers) {\n this._finalizers = null;\n for (const finalizer of _finalizers) {\n try {\n execFinalizer(finalizer);\n } catch (err) {\n errors = errors ?? [];\n if (err instanceof UnsubscriptionError) {\n errors = [...errors, ...err.errors];\n } else {\n errors.push(err);\n }\n }\n }\n }\n\n if (errors) {\n throw new UnsubscriptionError(errors);\n }\n }\n }\n\n /**\n * Adds a finalizer to this subscription, so that finalization will be unsubscribed/called\n * when this subscription is unsubscribed. If this subscription is already {@link #closed},\n * because it has already been unsubscribed, then whatever finalizer is passed to it\n * will automatically be executed (unless the finalizer itself is also a closed subscription).\n *\n * Closed Subscriptions cannot be added as finalizers to any subscription. Adding a closed\n * subscription to a any subscription will result in no operation. (A noop).\n *\n * Adding a subscription to itself, or adding `null` or `undefined` will not perform any\n * operation at all. (A noop).\n *\n * `Subscription` instances that are added to this instance will automatically remove themselves\n * if they are unsubscribed. Functions and {@link Unsubscribable} objects that you wish to remove\n * will need to be removed manually with {@link #remove}\n *\n * @param teardown The finalization logic to add to this subscription.\n */\n add(teardown: TeardownLogic): void {\n // Only add the finalizer if it's not undefined\n // and don't add a subscription to itself.\n if (teardown && teardown !== this) {\n if (this.closed) {\n // If this subscription is already closed,\n // execute whatever finalizer is handed to it automatically.\n execFinalizer(teardown);\n } else {\n if (teardown instanceof Subscription) {\n // We don't add closed subscriptions, and we don't add the same subscription\n // twice. Subscription unsubscribe is idempotent.\n if (teardown.closed || teardown._hasParent(this)) {\n return;\n }\n teardown._addParent(this);\n }\n (this._finalizers = this._finalizers ?? []).push(teardown);\n }\n }\n }\n\n /**\n * Checks to see if a this subscription already has a particular parent.\n * This will signal that this subscription has already been added to the parent in question.\n * @param parent the parent to check for\n */\n private _hasParent(parent: Subscription) {\n const { _parentage } = this;\n return _parentage === parent || (Array.isArray(_parentage) && _parentage.includes(parent));\n }\n\n /**\n * Adds a parent to this subscription so it can be removed from the parent if it\n * unsubscribes on it's own.\n *\n * NOTE: THIS ASSUMES THAT {@link _hasParent} HAS ALREADY BEEN CHECKED.\n * @param parent The parent subscription to add\n */\n private _addParent(parent: Subscription) {\n const { _parentage } = this;\n this._parentage = Array.isArray(_parentage) ? (_parentage.push(parent), _parentage) : _parentage ? [_parentage, parent] : parent;\n }\n\n /**\n * Called on a child when it is removed via {@link #remove}.\n * @param parent The parent to remove\n */\n private _removeParent(parent: Subscription) {\n const { _parentage } = this;\n if (_parentage === parent) {\n this._parentage = null;\n } else if (Array.isArray(_parentage)) {\n arrRemove(_parentage, parent);\n }\n }\n\n /**\n * Removes a finalizer from this subscription that was previously added with the {@link #add} method.\n *\n * Note that `Subscription` instances, when unsubscribed, will automatically remove themselves\n * from every other `Subscription` they have been added to. This means that using the `remove` method\n * is not a common thing and should be used thoughtfully.\n *\n * If you add the same finalizer instance of a function or an unsubscribable object to a `Subscription` instance\n * more than once, you will need to call `remove` the same number of times to remove all instances.\n *\n * All finalizer instances are removed to free up memory upon unsubscription.\n *\n * @param teardown The finalizer to remove from this subscription\n */\n remove(teardown: Exclude): void {\n const { _finalizers } = this;\n _finalizers && arrRemove(_finalizers, teardown);\n\n if (teardown instanceof Subscription) {\n teardown._removeParent(this);\n }\n }\n}\n\nexport const EMPTY_SUBSCRIPTION = Subscription.EMPTY;\n\nexport function isSubscription(value: any): value is Subscription {\n return (\n value instanceof Subscription ||\n (value && 'closed' in value && isFunction(value.remove) && isFunction(value.add) && isFunction(value.unsubscribe))\n );\n}\n\nfunction execFinalizer(finalizer: Unsubscribable | (() => void)) {\n if (isFunction(finalizer)) {\n finalizer();\n } else {\n finalizer.unsubscribe();\n }\n}\n", "import { Subscriber } from './Subscriber';\nimport { ObservableNotification } from './types';\n\n/**\n * The {@link GlobalConfig} object for RxJS. It is used to configure things\n * like how to react on unhandled errors.\n */\nexport const config: GlobalConfig = {\n onUnhandledError: null,\n onStoppedNotification: null,\n Promise: undefined,\n useDeprecatedSynchronousErrorHandling: false,\n useDeprecatedNextContext: false,\n};\n\n/**\n * The global configuration object for RxJS, used to configure things\n * like how to react on unhandled errors. Accessible via {@link config}\n * object.\n */\nexport interface GlobalConfig {\n /**\n * A registration point for unhandled errors from RxJS. These are errors that\n * cannot were not handled by consuming code in the usual subscription path. For\n * example, if you have this configured, and you subscribe to an observable without\n * providing an error handler, errors from that subscription will end up here. This\n * will _always_ be called asynchronously on another job in the runtime. This is because\n * we do not want errors thrown in this user-configured handler to interfere with the\n * behavior of the library.\n */\n onUnhandledError: ((err: any) => void) | null;\n\n /**\n * A registration point for notifications that cannot be sent to subscribers because they\n * have completed, errored or have been explicitly unsubscribed. By default, next, complete\n * and error notifications sent to stopped subscribers are noops. However, sometimes callers\n * might want a different behavior. For example, with sources that attempt to report errors\n * to stopped subscribers, a caller can configure RxJS to throw an unhandled error instead.\n * This will _always_ be called asynchronously on another job in the runtime. This is because\n * we do not want errors thrown in this user-configured handler to interfere with the\n * behavior of the library.\n */\n onStoppedNotification: ((notification: ObservableNotification, subscriber: Subscriber) => void) | null;\n\n /**\n * The promise constructor used by default for {@link Observable#toPromise toPromise} and {@link Observable#forEach forEach}\n * methods.\n *\n * @deprecated As of version 8, RxJS will no longer support this sort of injection of a\n * Promise constructor. If you need a Promise implementation other than native promises,\n * please polyfill/patch Promise as you see appropriate. Will be removed in v8.\n */\n Promise?: PromiseConstructorLike;\n\n /**\n * If true, turns on synchronous error rethrowing, which is a deprecated behavior\n * in v6 and higher. This behavior enables bad patterns like wrapping a subscribe\n * call in a try/catch block. It also enables producer interference, a nasty bug\n * where a multicast can be broken for all observers by a downstream consumer with\n * an unhandled error. DO NOT USE THIS FLAG UNLESS IT'S NEEDED TO BUY TIME\n * FOR MIGRATION REASONS.\n *\n * @deprecated As of version 8, RxJS will no longer support synchronous throwing\n * of unhandled errors. All errors will be thrown on a separate call stack to prevent bad\n * behaviors described above. Will be removed in v8.\n */\n useDeprecatedSynchronousErrorHandling: boolean;\n\n /**\n * If true, enables an as-of-yet undocumented feature from v5: The ability to access\n * `unsubscribe()` via `this` context in `next` functions created in observers passed\n * to `subscribe`.\n *\n * This is being removed because the performance was severely problematic, and it could also cause\n * issues when types other than POJOs are passed to subscribe as subscribers, as they will likely have\n * their `this` context overwritten.\n *\n * @deprecated As of version 8, RxJS will no longer support altering the\n * context of next functions provided as part of an observer to Subscribe. Instead,\n * you will have access to a subscription or a signal or token that will allow you to do things like\n * unsubscribe and test closed status. Will be removed in v8.\n */\n useDeprecatedNextContext: boolean;\n}\n", "import type { TimerHandle } from './timerHandle';\ntype SetTimeoutFunction = (handler: () => void, timeout?: number, ...args: any[]) => TimerHandle;\ntype ClearTimeoutFunction = (handle: TimerHandle) => void;\n\ninterface TimeoutProvider {\n setTimeout: SetTimeoutFunction;\n clearTimeout: ClearTimeoutFunction;\n delegate:\n | {\n setTimeout: SetTimeoutFunction;\n clearTimeout: ClearTimeoutFunction;\n }\n | undefined;\n}\n\nexport const timeoutProvider: TimeoutProvider = {\n // When accessing the delegate, use the variable rather than `this` so that\n // the functions can be called without being bound to the provider.\n setTimeout(handler: () => void, timeout?: number, ...args) {\n const { delegate } = timeoutProvider;\n if (delegate?.setTimeout) {\n return delegate.setTimeout(handler, timeout, ...args);\n }\n return setTimeout(handler, timeout, ...args);\n },\n clearTimeout(handle) {\n const { delegate } = timeoutProvider;\n return (delegate?.clearTimeout || clearTimeout)(handle as any);\n },\n delegate: undefined,\n};\n", "import { config } from '../config';\nimport { timeoutProvider } from '../scheduler/timeoutProvider';\n\n/**\n * Handles an error on another job either with the user-configured {@link onUnhandledError},\n * or by throwing it on that new job so it can be picked up by `window.onerror`, `process.on('error')`, etc.\n *\n * This should be called whenever there is an error that is out-of-band with the subscription\n * or when an error hits a terminal boundary of the subscription and no error handler was provided.\n *\n * @param err the error to report\n */\nexport function reportUnhandledError(err: any) {\n timeoutProvider.setTimeout(() => {\n const { onUnhandledError } = config;\n if (onUnhandledError) {\n // Execute the user-configured error handler.\n onUnhandledError(err);\n } else {\n // Throw so it is picked up by the runtime's uncaught error mechanism.\n throw err;\n }\n });\n}\n", "/* tslint:disable:no-empty */\nexport function noop() { }\n", "import { CompleteNotification, NextNotification, ErrorNotification } from './types';\n\n/**\n * A completion object optimized for memory use and created to be the\n * same \"shape\" as other notifications in v8.\n * @internal\n */\nexport const COMPLETE_NOTIFICATION = (() => createNotification('C', undefined, undefined) as CompleteNotification)();\n\n/**\n * Internal use only. Creates an optimized error notification that is the same \"shape\"\n * as other notifications.\n * @internal\n */\nexport function errorNotification(error: any): ErrorNotification {\n return createNotification('E', undefined, error) as any;\n}\n\n/**\n * Internal use only. Creates an optimized next notification that is the same \"shape\"\n * as other notifications.\n * @internal\n */\nexport function nextNotification(value: T) {\n return createNotification('N', value, undefined) as NextNotification;\n}\n\n/**\n * Ensures that all notifications created internally have the same \"shape\" in v8.\n *\n * TODO: This is only exported to support a crazy legacy test in `groupBy`.\n * @internal\n */\nexport function createNotification(kind: 'N' | 'E' | 'C', value: any, error: any) {\n return {\n kind,\n value,\n error,\n };\n}\n", "import { config } from '../config';\n\nlet context: { errorThrown: boolean; error: any } | null = null;\n\n/**\n * Handles dealing with errors for super-gross mode. Creates a context, in which\n * any synchronously thrown errors will be passed to {@link captureError}. Which\n * will record the error such that it will be rethrown after the call back is complete.\n * TODO: Remove in v8\n * @param cb An immediately executed function.\n */\nexport function errorContext(cb: () => void) {\n if (config.useDeprecatedSynchronousErrorHandling) {\n const isRoot = !context;\n if (isRoot) {\n context = { errorThrown: false, error: null };\n }\n cb();\n if (isRoot) {\n const { errorThrown, error } = context!;\n context = null;\n if (errorThrown) {\n throw error;\n }\n }\n } else {\n // This is the general non-deprecated path for everyone that\n // isn't crazy enough to use super-gross mode (useDeprecatedSynchronousErrorHandling)\n cb();\n }\n}\n\n/**\n * Captures errors only in super-gross mode.\n * @param err the error to capture\n */\nexport function captureError(err: any) {\n if (config.useDeprecatedSynchronousErrorHandling && context) {\n context.errorThrown = true;\n context.error = err;\n }\n}\n", "import { isFunction } from './util/isFunction';\nimport { Observer, ObservableNotification } from './types';\nimport { isSubscription, Subscription } from './Subscription';\nimport { config } from './config';\nimport { reportUnhandledError } from './util/reportUnhandledError';\nimport { noop } from './util/noop';\nimport { nextNotification, errorNotification, COMPLETE_NOTIFICATION } from './NotificationFactories';\nimport { timeoutProvider } from './scheduler/timeoutProvider';\nimport { captureError } from './util/errorContext';\n\n/**\n * Implements the {@link Observer} interface and extends the\n * {@link Subscription} class. While the {@link Observer} is the public API for\n * consuming the values of an {@link Observable}, all Observers get converted to\n * a Subscriber, in order to provide Subscription-like capabilities such as\n * `unsubscribe`. Subscriber is a common type in RxJS, and crucial for\n * implementing operators, but it is rarely used as a public API.\n *\n * @class Subscriber\n */\nexport class Subscriber extends Subscription implements Observer {\n /**\n * A static factory for a Subscriber, given a (potentially partial) definition\n * of an Observer.\n * @param next The `next` callback of an Observer.\n * @param error The `error` callback of an\n * Observer.\n * @param complete The `complete` callback of an\n * Observer.\n * @return A Subscriber wrapping the (partially defined)\n * Observer represented by the given arguments.\n * @nocollapse\n * @deprecated Do not use. Will be removed in v8. There is no replacement for this\n * method, and there is no reason to be creating instances of `Subscriber` directly.\n * If you have a specific use case, please file an issue.\n */\n static create(next?: (x?: T) => void, error?: (e?: any) => void, complete?: () => void): Subscriber {\n return new SafeSubscriber(next, error, complete);\n }\n\n /** @deprecated Internal implementation detail, do not use directly. Will be made internal in v8. */\n protected isStopped: boolean = false;\n /** @deprecated Internal implementation detail, do not use directly. Will be made internal in v8. */\n protected destination: Subscriber | Observer; // this `any` is the escape hatch to erase extra type param (e.g. R)\n\n /**\n * @deprecated Internal implementation detail, do not use directly. Will be made internal in v8.\n * There is no reason to directly create an instance of Subscriber. This type is exported for typings reasons.\n */\n constructor(destination?: Subscriber | Observer) {\n super();\n if (destination) {\n this.destination = destination;\n // Automatically chain subscriptions together here.\n // if destination is a Subscription, then it is a Subscriber.\n if (isSubscription(destination)) {\n destination.add(this);\n }\n } else {\n this.destination = EMPTY_OBSERVER;\n }\n }\n\n /**\n * The {@link Observer} callback to receive notifications of type `next` from\n * the Observable, with a value. The Observable may call this method 0 or more\n * times.\n * @param {T} [value] The `next` value.\n * @return {void}\n */\n next(value?: T): void {\n if (this.isStopped) {\n handleStoppedNotification(nextNotification(value), this);\n } else {\n this._next(value!);\n }\n }\n\n /**\n * The {@link Observer} callback to receive notifications of type `error` from\n * the Observable, with an attached `Error`. Notifies the Observer that\n * the Observable has experienced an error condition.\n * @param {any} [err] The `error` exception.\n * @return {void}\n */\n error(err?: any): void {\n if (this.isStopped) {\n handleStoppedNotification(errorNotification(err), this);\n } else {\n this.isStopped = true;\n this._error(err);\n }\n }\n\n /**\n * The {@link Observer} callback to receive a valueless notification of type\n * `complete` from the Observable. Notifies the Observer that the Observable\n * has finished sending push-based notifications.\n * @return {void}\n */\n complete(): void {\n if (this.isStopped) {\n handleStoppedNotification(COMPLETE_NOTIFICATION, this);\n } else {\n this.isStopped = true;\n this._complete();\n }\n }\n\n unsubscribe(): void {\n if (!this.closed) {\n this.isStopped = true;\n super.unsubscribe();\n this.destination = null!;\n }\n }\n\n protected _next(value: T): void {\n this.destination.next(value);\n }\n\n protected _error(err: any): void {\n try {\n this.destination.error(err);\n } finally {\n this.unsubscribe();\n }\n }\n\n protected _complete(): void {\n try {\n this.destination.complete();\n } finally {\n this.unsubscribe();\n }\n }\n}\n\n/**\n * This bind is captured here because we want to be able to have\n * compatibility with monoid libraries that tend to use a method named\n * `bind`. In particular, a library called Monio requires this.\n */\nconst _bind = Function.prototype.bind;\n\nfunction bind any>(fn: Fn, thisArg: any): Fn {\n return _bind.call(fn, thisArg);\n}\n\n/**\n * Internal optimization only, DO NOT EXPOSE.\n * @internal\n */\nclass ConsumerObserver implements Observer {\n constructor(private partialObserver: Partial>) {}\n\n next(value: T): void {\n const { partialObserver } = this;\n if (partialObserver.next) {\n try {\n partialObserver.next(value);\n } catch (error) {\n handleUnhandledError(error);\n }\n }\n }\n\n error(err: any): void {\n const { partialObserver } = this;\n if (partialObserver.error) {\n try {\n partialObserver.error(err);\n } catch (error) {\n handleUnhandledError(error);\n }\n } else {\n handleUnhandledError(err);\n }\n }\n\n complete(): void {\n const { partialObserver } = this;\n if (partialObserver.complete) {\n try {\n partialObserver.complete();\n } catch (error) {\n handleUnhandledError(error);\n }\n }\n }\n}\n\nexport class SafeSubscriber extends Subscriber {\n constructor(\n observerOrNext?: Partial> | ((value: T) => void) | null,\n error?: ((e?: any) => void) | null,\n complete?: (() => void) | null\n ) {\n super();\n\n let partialObserver: Partial>;\n if (isFunction(observerOrNext) || !observerOrNext) {\n // The first argument is a function, not an observer. The next\n // two arguments *could* be observers, or they could be empty.\n partialObserver = {\n next: (observerOrNext ?? undefined) as (((value: T) => void) | undefined),\n error: error ?? undefined,\n complete: complete ?? undefined,\n };\n } else {\n // The first argument is a partial observer.\n let context: any;\n if (this && config.useDeprecatedNextContext) {\n // This is a deprecated path that made `this.unsubscribe()` available in\n // next handler functions passed to subscribe. This only exists behind a flag\n // now, as it is *very* slow.\n context = Object.create(observerOrNext);\n context.unsubscribe = () => this.unsubscribe();\n partialObserver = {\n next: observerOrNext.next && bind(observerOrNext.next, context),\n error: observerOrNext.error && bind(observerOrNext.error, context),\n complete: observerOrNext.complete && bind(observerOrNext.complete, context),\n };\n } else {\n // The \"normal\" path. Just use the partial observer directly.\n partialObserver = observerOrNext;\n }\n }\n\n // Wrap the partial observer to ensure it's a full observer, and\n // make sure proper error handling is accounted for.\n this.destination = new ConsumerObserver(partialObserver);\n }\n}\n\nfunction handleUnhandledError(error: any) {\n if (config.useDeprecatedSynchronousErrorHandling) {\n captureError(error);\n } else {\n // Ideal path, we report this as an unhandled error,\n // which is thrown on a new call stack.\n reportUnhandledError(error);\n }\n}\n\n/**\n * An error handler used when no error handler was supplied\n * to the SafeSubscriber -- meaning no error handler was supplied\n * do the `subscribe` call on our observable.\n * @param err The error to handle\n */\nfunction defaultErrorHandler(err: any) {\n throw err;\n}\n\n/**\n * A handler for notifications that cannot be sent to a stopped subscriber.\n * @param notification The notification being sent\n * @param subscriber The stopped subscriber\n */\nfunction handleStoppedNotification(notification: ObservableNotification, subscriber: Subscriber) {\n const { onStoppedNotification } = config;\n onStoppedNotification && timeoutProvider.setTimeout(() => onStoppedNotification(notification, subscriber));\n}\n\n/**\n * The observer used as a stub for subscriptions where the user did not\n * pass any arguments to `subscribe`. Comes with the default error handling\n * behavior.\n */\nexport const EMPTY_OBSERVER: Readonly> & { closed: true } = {\n closed: true,\n next: noop,\n error: defaultErrorHandler,\n complete: noop,\n};\n", "/**\n * Symbol.observable or a string \"@@observable\". Used for interop\n *\n * @deprecated We will no longer be exporting this symbol in upcoming versions of RxJS.\n * Instead polyfill and use Symbol.observable directly *or* use https://www.npmjs.com/package/symbol-observable\n */\nexport const observable: string | symbol = (() => (typeof Symbol === 'function' && Symbol.observable) || '@@observable')();\n", "/**\n * This function takes one parameter and just returns it. Simply put,\n * this is like `(x: T): T => x`.\n *\n * ## Examples\n *\n * This is useful in some cases when using things like `mergeMap`\n *\n * ```ts\n * import { interval, take, map, range, mergeMap, identity } from 'rxjs';\n *\n * const source$ = interval(1000).pipe(take(5));\n *\n * const result$ = source$.pipe(\n * map(i => range(i)),\n * mergeMap(identity) // same as mergeMap(x => x)\n * );\n *\n * result$.subscribe({\n * next: console.log\n * });\n * ```\n *\n * Or when you want to selectively apply an operator\n *\n * ```ts\n * import { interval, take, identity } from 'rxjs';\n *\n * const shouldLimit = () => Math.random() < 0.5;\n *\n * const source$ = interval(1000);\n *\n * const result$ = source$.pipe(shouldLimit() ? take(5) : identity);\n *\n * result$.subscribe({\n * next: console.log\n * });\n * ```\n *\n * @param x Any value that is returned by this function\n * @returns The value passed as the first parameter to this function\n */\nexport function identity(x: T): T {\n return x;\n}\n", "import { identity } from './identity';\nimport { UnaryFunction } from '../types';\n\nexport function pipe(): typeof identity;\nexport function pipe(fn1: UnaryFunction): UnaryFunction;\nexport function pipe(fn1: UnaryFunction, fn2: UnaryFunction): UnaryFunction;\nexport function pipe(fn1: UnaryFunction, fn2: UnaryFunction, fn3: UnaryFunction): UnaryFunction;\nexport function pipe(\n fn1: UnaryFunction,\n fn2: UnaryFunction,\n fn3: UnaryFunction,\n fn4: UnaryFunction\n): UnaryFunction;\nexport function pipe(\n fn1: UnaryFunction,\n fn2: UnaryFunction,\n fn3: UnaryFunction,\n fn4: UnaryFunction,\n fn5: UnaryFunction\n): UnaryFunction;\nexport function pipe(\n fn1: UnaryFunction,\n fn2: UnaryFunction,\n fn3: UnaryFunction,\n fn4: UnaryFunction,\n fn5: UnaryFunction,\n fn6: UnaryFunction\n): UnaryFunction;\nexport function pipe(\n fn1: UnaryFunction,\n fn2: UnaryFunction,\n fn3: UnaryFunction,\n fn4: UnaryFunction,\n fn5: UnaryFunction,\n fn6: UnaryFunction,\n fn7: UnaryFunction\n): UnaryFunction;\nexport function pipe(\n fn1: UnaryFunction,\n fn2: UnaryFunction,\n fn3: UnaryFunction,\n fn4: UnaryFunction,\n fn5: UnaryFunction,\n fn6: UnaryFunction,\n fn7: UnaryFunction,\n fn8: UnaryFunction\n): UnaryFunction;\nexport function pipe(\n fn1: UnaryFunction,\n fn2: UnaryFunction,\n fn3: UnaryFunction,\n fn4: UnaryFunction,\n fn5: UnaryFunction,\n fn6: UnaryFunction,\n fn7: UnaryFunction,\n fn8: UnaryFunction,\n fn9: UnaryFunction\n): UnaryFunction;\nexport function pipe(\n fn1: UnaryFunction,\n fn2: UnaryFunction,\n fn3: UnaryFunction,\n fn4: UnaryFunction,\n fn5: UnaryFunction,\n fn6: UnaryFunction,\n fn7: UnaryFunction,\n fn8: UnaryFunction,\n fn9: UnaryFunction,\n ...fns: UnaryFunction[]\n): UnaryFunction;\n\n/**\n * pipe() can be called on one or more functions, each of which can take one argument (\"UnaryFunction\")\n * and uses it to return a value.\n * It returns a function that takes one argument, passes it to the first UnaryFunction, and then\n * passes the result to the next one, passes that result to the next one, and so on. \n */\nexport function pipe(...fns: Array>): UnaryFunction {\n return pipeFromArray(fns);\n}\n\n/** @internal */\nexport function pipeFromArray(fns: Array>): UnaryFunction {\n if (fns.length === 0) {\n return identity as UnaryFunction;\n }\n\n if (fns.length === 1) {\n return fns[0];\n }\n\n return function piped(input: T): R {\n return fns.reduce((prev: any, fn: UnaryFunction) => fn(prev), input as any);\n };\n}\n", "import { Operator } from './Operator';\nimport { SafeSubscriber, Subscriber } from './Subscriber';\nimport { isSubscription, Subscription } from './Subscription';\nimport { TeardownLogic, OperatorFunction, Subscribable, Observer } from './types';\nimport { observable as Symbol_observable } from './symbol/observable';\nimport { pipeFromArray } from './util/pipe';\nimport { config } from './config';\nimport { isFunction } from './util/isFunction';\nimport { errorContext } from './util/errorContext';\n\n/**\n * A representation of any set of values over any amount of time. This is the most basic building block\n * of RxJS.\n *\n * @class Observable\n */\nexport class Observable implements Subscribable {\n /**\n * @deprecated Internal implementation detail, do not use directly. Will be made internal in v8.\n */\n source: Observable | undefined;\n\n /**\n * @deprecated Internal implementation detail, do not use directly. Will be made internal in v8.\n */\n operator: Operator | undefined;\n\n /**\n * @constructor\n * @param {Function} subscribe the function that is called when the Observable is\n * initially subscribed to. This function is given a Subscriber, to which new values\n * can be `next`ed, or an `error` method can be called to raise an error, or\n * `complete` can be called to notify of a successful completion.\n */\n constructor(subscribe?: (this: Observable, subscriber: Subscriber) => TeardownLogic) {\n if (subscribe) {\n this._subscribe = subscribe;\n }\n }\n\n // HACK: Since TypeScript inherits static properties too, we have to\n // fight against TypeScript here so Subject can have a different static create signature\n /**\n * Creates a new Observable by calling the Observable constructor\n * @owner Observable\n * @method create\n * @param {Function} subscribe? the subscriber function to be passed to the Observable constructor\n * @return {Observable} a new observable\n * @nocollapse\n * @deprecated Use `new Observable()` instead. Will be removed in v8.\n */\n static create: (...args: any[]) => any = (subscribe?: (subscriber: Subscriber) => TeardownLogic) => {\n return new Observable(subscribe);\n };\n\n /**\n * Creates a new Observable, with this Observable instance as the source, and the passed\n * operator defined as the new observable's operator.\n * @method lift\n * @param operator the operator defining the operation to take on the observable\n * @return a new observable with the Operator applied\n * @deprecated Internal implementation detail, do not use directly. Will be made internal in v8.\n * If you have implemented an operator using `lift`, it is recommended that you create an\n * operator by simply returning `new Observable()` directly. See \"Creating new operators from\n * scratch\" section here: https://rxjs.dev/guide/operators\n */\n lift(operator?: Operator): Observable {\n const observable = new Observable();\n observable.source = this;\n observable.operator = operator;\n return observable;\n }\n\n subscribe(observerOrNext?: Partial> | ((value: T) => void)): Subscription;\n /** @deprecated Instead of passing separate callback arguments, use an observer argument. Signatures taking separate callback arguments will be removed in v8. Details: https://rxjs.dev/deprecations/subscribe-arguments */\n subscribe(next?: ((value: T) => void) | null, error?: ((error: any) => void) | null, complete?: (() => void) | null): Subscription;\n /**\n * Invokes an execution of an Observable and registers Observer handlers for notifications it will emit.\n *\n * Use it when you have all these Observables, but still nothing is happening.\n *\n * `subscribe` is not a regular operator, but a method that calls Observable's internal `subscribe` function. It\n * might be for example a function that you passed to Observable's constructor, but most of the time it is\n * a library implementation, which defines what will be emitted by an Observable, and when it be will emitted. This means\n * that calling `subscribe` is actually the moment when Observable starts its work, not when it is created, as it is often\n * the thought.\n *\n * Apart from starting the execution of an Observable, this method allows you to listen for values\n * that an Observable emits, as well as for when it completes or errors. You can achieve this in two\n * of the following ways.\n *\n * The first way is creating an object that implements {@link Observer} interface. It should have methods\n * defined by that interface, but note that it should be just a regular JavaScript object, which you can create\n * yourself in any way you want (ES6 class, classic function constructor, object literal etc.). In particular, do\n * not attempt to use any RxJS implementation details to create Observers - you don't need them. Remember also\n * that your object does not have to implement all methods. If you find yourself creating a method that doesn't\n * do anything, you can simply omit it. Note however, if the `error` method is not provided and an error happens,\n * it will be thrown asynchronously. Errors thrown asynchronously cannot be caught using `try`/`catch`. Instead,\n * use the {@link onUnhandledError} configuration option or use a runtime handler (like `window.onerror` or\n * `process.on('error)`) to be notified of unhandled errors. Because of this, it's recommended that you provide\n * an `error` method to avoid missing thrown errors.\n *\n * The second way is to give up on Observer object altogether and simply provide callback functions in place of its methods.\n * This means you can provide three functions as arguments to `subscribe`, where the first function is equivalent\n * of a `next` method, the second of an `error` method and the third of a `complete` method. Just as in case of an Observer,\n * if you do not need to listen for something, you can omit a function by passing `undefined` or `null`,\n * since `subscribe` recognizes these functions by where they were placed in function call. When it comes\n * to the `error` function, as with an Observer, if not provided, errors emitted by an Observable will be thrown asynchronously.\n *\n * You can, however, subscribe with no parameters at all. This may be the case where you're not interested in terminal events\n * and you also handled emissions internally by using operators (e.g. using `tap`).\n *\n * Whichever style of calling `subscribe` you use, in both cases it returns a Subscription object.\n * This object allows you to call `unsubscribe` on it, which in turn will stop the work that an Observable does and will clean\n * up all resources that an Observable used. Note that cancelling a subscription will not call `complete` callback\n * provided to `subscribe` function, which is reserved for a regular completion signal that comes from an Observable.\n *\n * Remember that callbacks provided to `subscribe` are not guaranteed to be called asynchronously.\n * It is an Observable itself that decides when these functions will be called. For example {@link of}\n * by default emits all its values synchronously. Always check documentation for how given Observable\n * will behave when subscribed and if its default behavior can be modified with a `scheduler`.\n *\n * #### Examples\n *\n * Subscribe with an {@link guide/observer Observer}\n *\n * ```ts\n * import { of } from 'rxjs';\n *\n * const sumObserver = {\n * sum: 0,\n * next(value) {\n * console.log('Adding: ' + value);\n * this.sum = this.sum + value;\n * },\n * error() {\n * // We actually could just remove this method,\n * // since we do not really care about errors right now.\n * },\n * complete() {\n * console.log('Sum equals: ' + this.sum);\n * }\n * };\n *\n * of(1, 2, 3) // Synchronously emits 1, 2, 3 and then completes.\n * .subscribe(sumObserver);\n *\n * // Logs:\n * // 'Adding: 1'\n * // 'Adding: 2'\n * // 'Adding: 3'\n * // 'Sum equals: 6'\n * ```\n *\n * Subscribe with functions ({@link deprecations/subscribe-arguments deprecated})\n *\n * ```ts\n * import { of } from 'rxjs'\n *\n * let sum = 0;\n *\n * of(1, 2, 3).subscribe(\n * value => {\n * console.log('Adding: ' + value);\n * sum = sum + value;\n * },\n * undefined,\n * () => console.log('Sum equals: ' + sum)\n * );\n *\n * // Logs:\n * // 'Adding: 1'\n * // 'Adding: 2'\n * // 'Adding: 3'\n * // 'Sum equals: 6'\n * ```\n *\n * Cancel a subscription\n *\n * ```ts\n * import { interval } from 'rxjs';\n *\n * const subscription = interval(1000).subscribe({\n * next(num) {\n * console.log(num)\n * },\n * complete() {\n * // Will not be called, even when cancelling subscription.\n * console.log('completed!');\n * }\n * });\n *\n * setTimeout(() => {\n * subscription.unsubscribe();\n * console.log('unsubscribed!');\n * }, 2500);\n *\n * // Logs:\n * // 0 after 1s\n * // 1 after 2s\n * // 'unsubscribed!' after 2.5s\n * ```\n *\n * @param {Observer|Function} observerOrNext (optional) Either an observer with methods to be called,\n * or the first of three possible handlers, which is the handler for each value emitted from the subscribed\n * Observable.\n * @param {Function} error (optional) A handler for a terminal event resulting from an error. If no error handler is provided,\n * the error will be thrown asynchronously as unhandled.\n * @param {Function} complete (optional) A handler for a terminal event resulting from successful completion.\n * @return {Subscription} a subscription reference to the registered handlers\n * @method subscribe\n */\n subscribe(\n observerOrNext?: Partial> | ((value: T) => void) | null,\n error?: ((error: any) => void) | null,\n complete?: (() => void) | null\n ): Subscription {\n const subscriber = isSubscriber(observerOrNext) ? observerOrNext : new SafeSubscriber(observerOrNext, error, complete);\n\n errorContext(() => {\n const { operator, source } = this;\n subscriber.add(\n operator\n ? // We're dealing with a subscription in the\n // operator chain to one of our lifted operators.\n operator.call(subscriber, source)\n : source\n ? // If `source` has a value, but `operator` does not, something that\n // had intimate knowledge of our API, like our `Subject`, must have\n // set it. We're going to just call `_subscribe` directly.\n this._subscribe(subscriber)\n : // In all other cases, we're likely wrapping a user-provided initializer\n // function, so we need to catch errors and handle them appropriately.\n this._trySubscribe(subscriber)\n );\n });\n\n return subscriber;\n }\n\n /** @internal */\n protected _trySubscribe(sink: Subscriber): TeardownLogic {\n try {\n return this._subscribe(sink);\n } catch (err) {\n // We don't need to return anything in this case,\n // because it's just going to try to `add()` to a subscription\n // above.\n sink.error(err);\n }\n }\n\n /**\n * Used as a NON-CANCELLABLE means of subscribing to an observable, for use with\n * APIs that expect promises, like `async/await`. You cannot unsubscribe from this.\n *\n * **WARNING**: Only use this with observables you *know* will complete. If the source\n * observable does not complete, you will end up with a promise that is hung up, and\n * potentially all of the state of an async function hanging out in memory. To avoid\n * this situation, look into adding something like {@link timeout}, {@link take},\n * {@link takeWhile}, or {@link takeUntil} amongst others.\n *\n * #### Example\n *\n * ```ts\n * import { interval, take } from 'rxjs';\n *\n * const source$ = interval(1000).pipe(take(4));\n *\n * async function getTotal() {\n * let total = 0;\n *\n * await source$.forEach(value => {\n * total += value;\n * console.log('observable -> ' + value);\n * });\n *\n * return total;\n * }\n *\n * getTotal().then(\n * total => console.log('Total: ' + total)\n * );\n *\n * // Expected:\n * // 'observable -> 0'\n * // 'observable -> 1'\n * // 'observable -> 2'\n * // 'observable -> 3'\n * // 'Total: 6'\n * ```\n *\n * @param next a handler for each value emitted by the observable\n * @return a promise that either resolves on observable completion or\n * rejects with the handled error\n */\n forEach(next: (value: T) => void): Promise;\n\n /**\n * @param next a handler for each value emitted by the observable\n * @param promiseCtor a constructor function used to instantiate the Promise\n * @return a promise that either resolves on observable completion or\n * rejects with the handled error\n * @deprecated Passing a Promise constructor will no longer be available\n * in upcoming versions of RxJS. This is because it adds weight to the library, for very\n * little benefit. If you need this functionality, it is recommended that you either\n * polyfill Promise, or you create an adapter to convert the returned native promise\n * to whatever promise implementation you wanted. Will be removed in v8.\n */\n forEach(next: (value: T) => void, promiseCtor: PromiseConstructorLike): Promise;\n\n forEach(next: (value: T) => void, promiseCtor?: PromiseConstructorLike): Promise {\n promiseCtor = getPromiseCtor(promiseCtor);\n\n return new promiseCtor((resolve, reject) => {\n const subscriber = new SafeSubscriber({\n next: (value) => {\n try {\n next(value);\n } catch (err) {\n reject(err);\n subscriber.unsubscribe();\n }\n },\n error: reject,\n complete: resolve,\n });\n this.subscribe(subscriber);\n }) as Promise;\n }\n\n /** @internal */\n protected _subscribe(subscriber: Subscriber): TeardownLogic {\n return this.source?.subscribe(subscriber);\n }\n\n /**\n * An interop point defined by the es7-observable spec https://github.com/zenparsing/es-observable\n * @method Symbol.observable\n * @return {Observable} this instance of the observable\n */\n [Symbol_observable]() {\n return this;\n }\n\n /* tslint:disable:max-line-length */\n pipe(): Observable;\n pipe(op1: OperatorFunction): Observable;\n pipe(op1: OperatorFunction, op2: OperatorFunction): Observable;\n pipe(op1: OperatorFunction, op2: OperatorFunction, op3: OperatorFunction): Observable;\n pipe(\n op1: OperatorFunction,\n op2: OperatorFunction,\n op3: OperatorFunction,\n op4: OperatorFunction\n ): Observable;\n pipe(\n op1: OperatorFunction,\n op2: OperatorFunction,\n op3: OperatorFunction,\n op4: OperatorFunction,\n op5: OperatorFunction\n ): Observable;\n pipe(\n op1: OperatorFunction,\n op2: OperatorFunction,\n op3: OperatorFunction,\n op4: OperatorFunction,\n op5: OperatorFunction,\n op6: OperatorFunction\n ): Observable;\n pipe(\n op1: OperatorFunction,\n op2: OperatorFunction,\n op3: OperatorFunction,\n op4: OperatorFunction,\n op5: OperatorFunction,\n op6: OperatorFunction,\n op7: OperatorFunction\n ): Observable;\n pipe(\n op1: OperatorFunction,\n op2: OperatorFunction,\n op3: OperatorFunction,\n op4: OperatorFunction,\n op5: OperatorFunction,\n op6: OperatorFunction,\n op7: OperatorFunction,\n op8: OperatorFunction\n ): Observable;\n pipe(\n op1: OperatorFunction,\n op2: OperatorFunction,\n op3: OperatorFunction,\n op4: OperatorFunction,\n op5: OperatorFunction,\n op6: OperatorFunction,\n op7: OperatorFunction,\n op8: OperatorFunction,\n op9: OperatorFunction\n ): Observable;\n pipe(\n op1: OperatorFunction,\n op2: OperatorFunction,\n op3: OperatorFunction,\n op4: OperatorFunction,\n op5: OperatorFunction,\n op6: OperatorFunction,\n op7: OperatorFunction,\n op8: OperatorFunction,\n op9: OperatorFunction,\n ...operations: OperatorFunction[]\n ): Observable;\n /* tslint:enable:max-line-length */\n\n /**\n * Used to stitch together functional operators into a chain.\n * @method pipe\n * @return {Observable} the Observable result of all of the operators having\n * been called in the order they were passed in.\n *\n * ## Example\n *\n * ```ts\n * import { interval, filter, map, scan } from 'rxjs';\n *\n * interval(1000)\n * .pipe(\n * filter(x => x % 2 === 0),\n * map(x => x + x),\n * scan((acc, x) => acc + x)\n * )\n * .subscribe(x => console.log(x));\n * ```\n */\n pipe(...operations: OperatorFunction[]): Observable {\n return pipeFromArray(operations)(this);\n }\n\n /* tslint:disable:max-line-length */\n /** @deprecated Replaced with {@link firstValueFrom} and {@link lastValueFrom}. Will be removed in v8. Details: https://rxjs.dev/deprecations/to-promise */\n toPromise(): Promise;\n /** @deprecated Replaced with {@link firstValueFrom} and {@link lastValueFrom}. Will be removed in v8. Details: https://rxjs.dev/deprecations/to-promise */\n toPromise(PromiseCtor: typeof Promise): Promise;\n /** @deprecated Replaced with {@link firstValueFrom} and {@link lastValueFrom}. Will be removed in v8. Details: https://rxjs.dev/deprecations/to-promise */\n toPromise(PromiseCtor: PromiseConstructorLike): Promise;\n /* tslint:enable:max-line-length */\n\n /**\n * Subscribe to this Observable and get a Promise resolving on\n * `complete` with the last emission (if any).\n *\n * **WARNING**: Only use this with observables you *know* will complete. If the source\n * observable does not complete, you will end up with a promise that is hung up, and\n * potentially all of the state of an async function hanging out in memory. To avoid\n * this situation, look into adding something like {@link timeout}, {@link take},\n * {@link takeWhile}, or {@link takeUntil} amongst others.\n *\n * @method toPromise\n * @param [promiseCtor] a constructor function used to instantiate\n * the Promise\n * @return A Promise that resolves with the last value emit, or\n * rejects on an error. If there were no emissions, Promise\n * resolves with undefined.\n * @deprecated Replaced with {@link firstValueFrom} and {@link lastValueFrom}. Will be removed in v8. Details: https://rxjs.dev/deprecations/to-promise\n */\n toPromise(promiseCtor?: PromiseConstructorLike): Promise {\n promiseCtor = getPromiseCtor(promiseCtor);\n\n return new promiseCtor((resolve, reject) => {\n let value: T | undefined;\n this.subscribe(\n (x: T) => (value = x),\n (err: any) => reject(err),\n () => resolve(value)\n );\n }) as Promise;\n }\n}\n\n/**\n * Decides between a passed promise constructor from consuming code,\n * A default configured promise constructor, and the native promise\n * constructor and returns it. If nothing can be found, it will throw\n * an error.\n * @param promiseCtor The optional promise constructor to passed by consuming code\n */\nfunction getPromiseCtor(promiseCtor: PromiseConstructorLike | undefined) {\n return promiseCtor ?? config.Promise ?? Promise;\n}\n\nfunction isObserver(value: any): value is Observer {\n return value && isFunction(value.next) && isFunction(value.error) && isFunction(value.complete);\n}\n\nfunction isSubscriber(value: any): value is Subscriber {\n return (value && value instanceof Subscriber) || (isObserver(value) && isSubscription(value));\n}\n", "import { Observable } from '../Observable';\nimport { Subscriber } from '../Subscriber';\nimport { OperatorFunction } from '../types';\nimport { isFunction } from './isFunction';\n\n/**\n * Used to determine if an object is an Observable with a lift function.\n */\nexport function hasLift(source: any): source is { lift: InstanceType['lift'] } {\n return isFunction(source?.lift);\n}\n\n/**\n * Creates an `OperatorFunction`. Used to define operators throughout the library in a concise way.\n * @param init The logic to connect the liftedSource to the subscriber at the moment of subscription.\n */\nexport function operate(\n init: (liftedSource: Observable, subscriber: Subscriber) => (() => void) | void\n): OperatorFunction {\n return (source: Observable) => {\n if (hasLift(source)) {\n return source.lift(function (this: Subscriber, liftedSource: Observable) {\n try {\n return init(liftedSource, this);\n } catch (err) {\n this.error(err);\n }\n });\n }\n throw new TypeError('Unable to lift unknown Observable type');\n };\n}\n", "import { Subscriber } from '../Subscriber';\n\n/**\n * Creates an instance of an `OperatorSubscriber`.\n * @param destination The downstream subscriber.\n * @param onNext Handles next values, only called if this subscriber is not stopped or closed. Any\n * error that occurs in this function is caught and sent to the `error` method of this subscriber.\n * @param onError Handles errors from the subscription, any errors that occur in this handler are caught\n * and send to the `destination` error handler.\n * @param onComplete Handles completion notification from the subscription. Any errors that occur in\n * this handler are sent to the `destination` error handler.\n * @param onFinalize Additional teardown logic here. This will only be called on teardown if the\n * subscriber itself is not already closed. This is called after all other teardown logic is executed.\n */\nexport function createOperatorSubscriber(\n destination: Subscriber,\n onNext?: (value: T) => void,\n onComplete?: () => void,\n onError?: (err: any) => void,\n onFinalize?: () => void\n): Subscriber {\n return new OperatorSubscriber(destination, onNext, onComplete, onError, onFinalize);\n}\n\n/**\n * A generic helper for allowing operators to be created with a Subscriber and\n * use closures to capture necessary state from the operator function itself.\n */\nexport class OperatorSubscriber extends Subscriber {\n /**\n * Creates an instance of an `OperatorSubscriber`.\n * @param destination The downstream subscriber.\n * @param onNext Handles next values, only called if this subscriber is not stopped or closed. Any\n * error that occurs in this function is caught and sent to the `error` method of this subscriber.\n * @param onError Handles errors from the subscription, any errors that occur in this handler are caught\n * and send to the `destination` error handler.\n * @param onComplete Handles completion notification from the subscription. Any errors that occur in\n * this handler are sent to the `destination` error handler.\n * @param onFinalize Additional finalization logic here. This will only be called on finalization if the\n * subscriber itself is not already closed. This is called after all other finalization logic is executed.\n * @param shouldUnsubscribe An optional check to see if an unsubscribe call should truly unsubscribe.\n * NOTE: This currently **ONLY** exists to support the strange behavior of {@link groupBy}, where unsubscription\n * to the resulting observable does not actually disconnect from the source if there are active subscriptions\n * to any grouped observable. (DO NOT EXPOSE OR USE EXTERNALLY!!!)\n */\n constructor(\n destination: Subscriber,\n onNext?: (value: T) => void,\n onComplete?: () => void,\n onError?: (err: any) => void,\n private onFinalize?: () => void,\n private shouldUnsubscribe?: () => boolean\n ) {\n // It's important - for performance reasons - that all of this class's\n // members are initialized and that they are always initialized in the same\n // order. This will ensure that all OperatorSubscriber instances have the\n // same hidden class in V8. This, in turn, will help keep the number of\n // hidden classes involved in property accesses within the base class as\n // low as possible. If the number of hidden classes involved exceeds four,\n // the property accesses will become megamorphic and performance penalties\n // will be incurred - i.e. inline caches won't be used.\n //\n // The reasons for ensuring all instances have the same hidden class are\n // further discussed in this blog post from Benedikt Meurer:\n // https://benediktmeurer.de/2018/03/23/impact-of-polymorphism-on-component-based-frameworks-like-react/\n super(destination);\n this._next = onNext\n ? function (this: OperatorSubscriber, value: T) {\n try {\n onNext(value);\n } catch (err) {\n destination.error(err);\n }\n }\n : super._next;\n this._error = onError\n ? function (this: OperatorSubscriber, err: any) {\n try {\n onError(err);\n } catch (err) {\n // Send any errors that occur down stream.\n destination.error(err);\n } finally {\n // Ensure finalization.\n this.unsubscribe();\n }\n }\n : super._error;\n this._complete = onComplete\n ? function (this: OperatorSubscriber) {\n try {\n onComplete();\n } catch (err) {\n // Send any errors that occur down stream.\n destination.error(err);\n } finally {\n // Ensure finalization.\n this.unsubscribe();\n }\n }\n : super._complete;\n }\n\n unsubscribe() {\n if (!this.shouldUnsubscribe || this.shouldUnsubscribe()) {\n const { closed } = this;\n super.unsubscribe();\n // Execute additional teardown if we have any and we didn't already do so.\n !closed && this.onFinalize?.();\n }\n }\n}\n", "import { Subscription } from '../Subscription';\n\ninterface AnimationFrameProvider {\n schedule(callback: FrameRequestCallback): Subscription;\n requestAnimationFrame: typeof requestAnimationFrame;\n cancelAnimationFrame: typeof cancelAnimationFrame;\n delegate:\n | {\n requestAnimationFrame: typeof requestAnimationFrame;\n cancelAnimationFrame: typeof cancelAnimationFrame;\n }\n | undefined;\n}\n\nexport const animationFrameProvider: AnimationFrameProvider = {\n // When accessing the delegate, use the variable rather than `this` so that\n // the functions can be called without being bound to the provider.\n schedule(callback) {\n let request = requestAnimationFrame;\n let cancel: typeof cancelAnimationFrame | undefined = cancelAnimationFrame;\n const { delegate } = animationFrameProvider;\n if (delegate) {\n request = delegate.requestAnimationFrame;\n cancel = delegate.cancelAnimationFrame;\n }\n const handle = request((timestamp) => {\n // Clear the cancel function. The request has been fulfilled, so\n // attempting to cancel the request upon unsubscription would be\n // pointless.\n cancel = undefined;\n callback(timestamp);\n });\n return new Subscription(() => cancel?.(handle));\n },\n requestAnimationFrame(...args) {\n const { delegate } = animationFrameProvider;\n return (delegate?.requestAnimationFrame || requestAnimationFrame)(...args);\n },\n cancelAnimationFrame(...args) {\n const { delegate } = animationFrameProvider;\n return (delegate?.cancelAnimationFrame || cancelAnimationFrame)(...args);\n },\n delegate: undefined,\n};\n", "import { createErrorClass } from './createErrorClass';\n\nexport interface ObjectUnsubscribedError extends Error {}\n\nexport interface ObjectUnsubscribedErrorCtor {\n /**\n * @deprecated Internal implementation detail. Do not construct error instances.\n * Cannot be tagged as internal: https://github.com/ReactiveX/rxjs/issues/6269\n */\n new (): ObjectUnsubscribedError;\n}\n\n/**\n * An error thrown when an action is invalid because the object has been\n * unsubscribed.\n *\n * @see {@link Subject}\n * @see {@link BehaviorSubject}\n *\n * @class ObjectUnsubscribedError\n */\nexport const ObjectUnsubscribedError: ObjectUnsubscribedErrorCtor = createErrorClass(\n (_super) =>\n function ObjectUnsubscribedErrorImpl(this: any) {\n _super(this);\n this.name = 'ObjectUnsubscribedError';\n this.message = 'object unsubscribed';\n }\n);\n", "import { Operator } from './Operator';\nimport { Observable } from './Observable';\nimport { Subscriber } from './Subscriber';\nimport { Subscription, EMPTY_SUBSCRIPTION } from './Subscription';\nimport { Observer, SubscriptionLike, TeardownLogic } from './types';\nimport { ObjectUnsubscribedError } from './util/ObjectUnsubscribedError';\nimport { arrRemove } from './util/arrRemove';\nimport { errorContext } from './util/errorContext';\n\n/**\n * A Subject is a special type of Observable that allows values to be\n * multicasted to many Observers. Subjects are like EventEmitters.\n *\n * Every Subject is an Observable and an Observer. You can subscribe to a\n * Subject, and you can call next to feed values as well as error and complete.\n */\nexport class Subject extends Observable implements SubscriptionLike {\n closed = false;\n\n private currentObservers: Observer[] | null = null;\n\n /** @deprecated Internal implementation detail, do not use directly. Will be made internal in v8. */\n observers: Observer[] = [];\n /** @deprecated Internal implementation detail, do not use directly. Will be made internal in v8. */\n isStopped = false;\n /** @deprecated Internal implementation detail, do not use directly. Will be made internal in v8. */\n hasError = false;\n /** @deprecated Internal implementation detail, do not use directly. Will be made internal in v8. */\n thrownError: any = null;\n\n /**\n * Creates a \"subject\" by basically gluing an observer to an observable.\n *\n * @nocollapse\n * @deprecated Recommended you do not use. Will be removed at some point in the future. Plans for replacement still under discussion.\n */\n static create: (...args: any[]) => any = (destination: Observer, source: Observable): AnonymousSubject => {\n return new AnonymousSubject(destination, source);\n };\n\n constructor() {\n // NOTE: This must be here to obscure Observable's constructor.\n super();\n }\n\n /** @deprecated Internal implementation detail, do not use directly. Will be made internal in v8. */\n lift(operator: Operator): Observable {\n const subject = new AnonymousSubject(this, this);\n subject.operator = operator as any;\n return subject as any;\n }\n\n /** @internal */\n protected _throwIfClosed() {\n if (this.closed) {\n throw new ObjectUnsubscribedError();\n }\n }\n\n next(value: T) {\n errorContext(() => {\n this._throwIfClosed();\n if (!this.isStopped) {\n if (!this.currentObservers) {\n this.currentObservers = Array.from(this.observers);\n }\n for (const observer of this.currentObservers) {\n observer.next(value);\n }\n }\n });\n }\n\n error(err: any) {\n errorContext(() => {\n this._throwIfClosed();\n if (!this.isStopped) {\n this.hasError = this.isStopped = true;\n this.thrownError = err;\n const { observers } = this;\n while (observers.length) {\n observers.shift()!.error(err);\n }\n }\n });\n }\n\n complete() {\n errorContext(() => {\n this._throwIfClosed();\n if (!this.isStopped) {\n this.isStopped = true;\n const { observers } = this;\n while (observers.length) {\n observers.shift()!.complete();\n }\n }\n });\n }\n\n unsubscribe() {\n this.isStopped = this.closed = true;\n this.observers = this.currentObservers = null!;\n }\n\n get observed() {\n return this.observers?.length > 0;\n }\n\n /** @internal */\n protected _trySubscribe(subscriber: Subscriber): TeardownLogic {\n this._throwIfClosed();\n return super._trySubscribe(subscriber);\n }\n\n /** @internal */\n protected _subscribe(subscriber: Subscriber): Subscription {\n this._throwIfClosed();\n this._checkFinalizedStatuses(subscriber);\n return this._innerSubscribe(subscriber);\n }\n\n /** @internal */\n protected _innerSubscribe(subscriber: Subscriber) {\n const { hasError, isStopped, observers } = this;\n if (hasError || isStopped) {\n return EMPTY_SUBSCRIPTION;\n }\n this.currentObservers = null;\n observers.push(subscriber);\n return new Subscription(() => {\n this.currentObservers = null;\n arrRemove(observers, subscriber);\n });\n }\n\n /** @internal */\n protected _checkFinalizedStatuses(subscriber: Subscriber) {\n const { hasError, thrownError, isStopped } = this;\n if (hasError) {\n subscriber.error(thrownError);\n } else if (isStopped) {\n subscriber.complete();\n }\n }\n\n /**\n * Creates a new Observable with this Subject as the source. You can do this\n * to create custom Observer-side logic of the Subject and conceal it from\n * code that uses the Observable.\n * @return {Observable} Observable that the Subject casts to\n */\n asObservable(): Observable {\n const observable: any = new Observable();\n observable.source = this;\n return observable;\n }\n}\n\n/**\n * @class AnonymousSubject\n */\nexport class AnonymousSubject extends Subject {\n constructor(\n /** @deprecated Internal implementation detail, do not use directly. Will be made internal in v8. */\n public destination?: Observer,\n source?: Observable\n ) {\n super();\n this.source = source;\n }\n\n next(value: T) {\n this.destination?.next?.(value);\n }\n\n error(err: any) {\n this.destination?.error?.(err);\n }\n\n complete() {\n this.destination?.complete?.();\n }\n\n /** @internal */\n protected _subscribe(subscriber: Subscriber): Subscription {\n return this.source?.subscribe(subscriber) ?? EMPTY_SUBSCRIPTION;\n }\n}\n", "import { TimestampProvider } from '../types';\n\ninterface DateTimestampProvider extends TimestampProvider {\n delegate: TimestampProvider | undefined;\n}\n\nexport const dateTimestampProvider: DateTimestampProvider = {\n now() {\n // Use the variable rather than `this` so that the function can be called\n // without being bound to the provider.\n return (dateTimestampProvider.delegate || Date).now();\n },\n delegate: undefined,\n};\n", "import { Subject } from './Subject';\nimport { TimestampProvider } from './types';\nimport { Subscriber } from './Subscriber';\nimport { Subscription } from './Subscription';\nimport { dateTimestampProvider } from './scheduler/dateTimestampProvider';\n\n/**\n * A variant of {@link Subject} that \"replays\" old values to new subscribers by emitting them when they first subscribe.\n *\n * `ReplaySubject` has an internal buffer that will store a specified number of values that it has observed. Like `Subject`,\n * `ReplaySubject` \"observes\" values by having them passed to its `next` method. When it observes a value, it will store that\n * value for a time determined by the configuration of the `ReplaySubject`, as passed to its constructor.\n *\n * When a new subscriber subscribes to the `ReplaySubject` instance, it will synchronously emit all values in its buffer in\n * a First-In-First-Out (FIFO) manner. The `ReplaySubject` will also complete, if it has observed completion; and it will\n * error if it has observed an error.\n *\n * There are two main configuration items to be concerned with:\n *\n * 1. `bufferSize` - This will determine how many items are stored in the buffer, defaults to infinite.\n * 2. `windowTime` - The amount of time to hold a value in the buffer before removing it from the buffer.\n *\n * Both configurations may exist simultaneously. So if you would like to buffer a maximum of 3 values, as long as the values\n * are less than 2 seconds old, you could do so with a `new ReplaySubject(3, 2000)`.\n *\n * ### Differences with BehaviorSubject\n *\n * `BehaviorSubject` is similar to `new ReplaySubject(1)`, with a couple of exceptions:\n *\n * 1. `BehaviorSubject` comes \"primed\" with a single value upon construction.\n * 2. `ReplaySubject` will replay values, even after observing an error, where `BehaviorSubject` will not.\n *\n * @see {@link Subject}\n * @see {@link BehaviorSubject}\n * @see {@link shareReplay}\n */\nexport class ReplaySubject extends Subject {\n private _buffer: (T | number)[] = [];\n private _infiniteTimeWindow = true;\n\n /**\n * @param bufferSize The size of the buffer to replay on subscription\n * @param windowTime The amount of time the buffered items will stay buffered\n * @param timestampProvider An object with a `now()` method that provides the current timestamp. This is used to\n * calculate the amount of time something has been buffered.\n */\n constructor(\n private _bufferSize = Infinity,\n private _windowTime = Infinity,\n private _timestampProvider: TimestampProvider = dateTimestampProvider\n ) {\n super();\n this._infiniteTimeWindow = _windowTime === Infinity;\n this._bufferSize = Math.max(1, _bufferSize);\n this._windowTime = Math.max(1, _windowTime);\n }\n\n next(value: T): void {\n const { isStopped, _buffer, _infiniteTimeWindow, _timestampProvider, _windowTime } = this;\n if (!isStopped) {\n _buffer.push(value);\n !_infiniteTimeWindow && _buffer.push(_timestampProvider.now() + _windowTime);\n }\n this._trimBuffer();\n super.next(value);\n }\n\n /** @internal */\n protected _subscribe(subscriber: Subscriber): Subscription {\n this._throwIfClosed();\n this._trimBuffer();\n\n const subscription = this._innerSubscribe(subscriber);\n\n const { _infiniteTimeWindow, _buffer } = this;\n // We use a copy here, so reentrant code does not mutate our array while we're\n // emitting it to a new subscriber.\n const copy = _buffer.slice();\n for (let i = 0; i < copy.length && !subscriber.closed; i += _infiniteTimeWindow ? 1 : 2) {\n subscriber.next(copy[i] as T);\n }\n\n this._checkFinalizedStatuses(subscriber);\n\n return subscription;\n }\n\n private _trimBuffer() {\n const { _bufferSize, _timestampProvider, _buffer, _infiniteTimeWindow } = this;\n // If we don't have an infinite buffer size, and we're over the length,\n // use splice to truncate the old buffer values off. Note that we have to\n // double the size for instances where we're not using an infinite time window\n // because we're storing the values and the timestamps in the same array.\n const adjustedBufferSize = (_infiniteTimeWindow ? 1 : 2) * _bufferSize;\n _bufferSize < Infinity && adjustedBufferSize < _buffer.length && _buffer.splice(0, _buffer.length - adjustedBufferSize);\n\n // Now, if we're not in an infinite time window, remove all values where the time is\n // older than what is allowed.\n if (!_infiniteTimeWindow) {\n const now = _timestampProvider.now();\n let last = 0;\n // Search the array for the first timestamp that isn't expired and\n // truncate the buffer up to that point.\n for (let i = 1; i < _buffer.length && (_buffer[i] as number) <= now; i += 2) {\n last = i;\n }\n last && _buffer.splice(0, last + 1);\n }\n }\n}\n", "import { Scheduler } from '../Scheduler';\nimport { Subscription } from '../Subscription';\nimport { SchedulerAction } from '../types';\n\n/**\n * A unit of work to be executed in a `scheduler`. An action is typically\n * created from within a {@link SchedulerLike} and an RxJS user does not need to concern\n * themselves about creating and manipulating an Action.\n *\n * ```ts\n * class Action extends Subscription {\n * new (scheduler: Scheduler, work: (state?: T) => void);\n * schedule(state?: T, delay: number = 0): Subscription;\n * }\n * ```\n *\n * @class Action\n */\nexport class Action extends Subscription {\n constructor(scheduler: Scheduler, work: (this: SchedulerAction, state?: T) => void) {\n super();\n }\n /**\n * Schedules this action on its parent {@link SchedulerLike} for execution. May be passed\n * some context object, `state`. May happen at some point in the future,\n * according to the `delay` parameter, if specified.\n * @param {T} [state] Some contextual data that the `work` function uses when\n * called by the Scheduler.\n * @param {number} [delay] Time to wait before executing the work, where the\n * time unit is implicit and defined by the Scheduler.\n * @return {void}\n */\n public schedule(state?: T, delay: number = 0): Subscription {\n return this;\n }\n}\n", "import type { TimerHandle } from './timerHandle';\ntype SetIntervalFunction = (handler: () => void, timeout?: number, ...args: any[]) => TimerHandle;\ntype ClearIntervalFunction = (handle: TimerHandle) => void;\n\ninterface IntervalProvider {\n setInterval: SetIntervalFunction;\n clearInterval: ClearIntervalFunction;\n delegate:\n | {\n setInterval: SetIntervalFunction;\n clearInterval: ClearIntervalFunction;\n }\n | undefined;\n}\n\nexport const intervalProvider: IntervalProvider = {\n // When accessing the delegate, use the variable rather than `this` so that\n // the functions can be called without being bound to the provider.\n setInterval(handler: () => void, timeout?: number, ...args) {\n const { delegate } = intervalProvider;\n if (delegate?.setInterval) {\n return delegate.setInterval(handler, timeout, ...args);\n }\n return setInterval(handler, timeout, ...args);\n },\n clearInterval(handle) {\n const { delegate } = intervalProvider;\n return (delegate?.clearInterval || clearInterval)(handle as any);\n },\n delegate: undefined,\n};\n", "import { Action } from './Action';\nimport { SchedulerAction } from '../types';\nimport { Subscription } from '../Subscription';\nimport { AsyncScheduler } from './AsyncScheduler';\nimport { intervalProvider } from './intervalProvider';\nimport { arrRemove } from '../util/arrRemove';\nimport { TimerHandle } from './timerHandle';\n\nexport class AsyncAction extends Action {\n public id: TimerHandle | undefined;\n public state?: T;\n // @ts-ignore: Property has no initializer and is not definitely assigned\n public delay: number;\n protected pending: boolean = false;\n\n constructor(protected scheduler: AsyncScheduler, protected work: (this: SchedulerAction, state?: T) => void) {\n super(scheduler, work);\n }\n\n public schedule(state?: T, delay: number = 0): Subscription {\n if (this.closed) {\n return this;\n }\n\n // Always replace the current state with the new state.\n this.state = state;\n\n const id = this.id;\n const scheduler = this.scheduler;\n\n //\n // Important implementation note:\n //\n // Actions only execute once by default, unless rescheduled from within the\n // scheduled callback. This allows us to implement single and repeat\n // actions via the same code path, without adding API surface area, as well\n // as mimic traditional recursion but across asynchronous boundaries.\n //\n // However, JS runtimes and timers distinguish between intervals achieved by\n // serial `setTimeout` calls vs. a single `setInterval` call. An interval of\n // serial `setTimeout` calls can be individually delayed, which delays\n // scheduling the next `setTimeout`, and so on. `setInterval` attempts to\n // guarantee the interval callback will be invoked more precisely to the\n // interval period, regardless of load.\n //\n // Therefore, we use `setInterval` to schedule single and repeat actions.\n // If the action reschedules itself with the same delay, the interval is not\n // canceled. If the action doesn't reschedule, or reschedules with a\n // different delay, the interval will be canceled after scheduled callback\n // execution.\n //\n if (id != null) {\n this.id = this.recycleAsyncId(scheduler, id, delay);\n }\n\n // Set the pending flag indicating that this action has been scheduled, or\n // has recursively rescheduled itself.\n this.pending = true;\n\n this.delay = delay;\n // If this action has already an async Id, don't request a new one.\n this.id = this.id ?? this.requestAsyncId(scheduler, this.id, delay);\n\n return this;\n }\n\n protected requestAsyncId(scheduler: AsyncScheduler, _id?: TimerHandle, delay: number = 0): TimerHandle {\n return intervalProvider.setInterval(scheduler.flush.bind(scheduler, this), delay);\n }\n\n protected recycleAsyncId(_scheduler: AsyncScheduler, id?: TimerHandle, delay: number | null = 0): TimerHandle | undefined {\n // If this action is rescheduled with the same delay time, don't clear the interval id.\n if (delay != null && this.delay === delay && this.pending === false) {\n return id;\n }\n // Otherwise, if the action's delay time is different from the current delay,\n // or the action has been rescheduled before it's executed, clear the interval id\n if (id != null) {\n intervalProvider.clearInterval(id);\n }\n\n return undefined;\n }\n\n /**\n * Immediately executes this action and the `work` it contains.\n * @return {any}\n */\n public execute(state: T, delay: number): any {\n if (this.closed) {\n return new Error('executing a cancelled action');\n }\n\n this.pending = false;\n const error = this._execute(state, delay);\n if (error) {\n return error;\n } else if (this.pending === false && this.id != null) {\n // Dequeue if the action didn't reschedule itself. Don't call\n // unsubscribe(), because the action could reschedule later.\n // For example:\n // ```\n // scheduler.schedule(function doWork(counter) {\n // /* ... I'm a busy worker bee ... */\n // var originalAction = this;\n // /* wait 100ms before rescheduling the action */\n // setTimeout(function () {\n // originalAction.schedule(counter + 1);\n // }, 100);\n // }, 1000);\n // ```\n this.id = this.recycleAsyncId(this.scheduler, this.id, null);\n }\n }\n\n protected _execute(state: T, _delay: number): any {\n let errored: boolean = false;\n let errorValue: any;\n try {\n this.work(state);\n } catch (e) {\n errored = true;\n // HACK: Since code elsewhere is relying on the \"truthiness\" of the\n // return here, we can't have it return \"\" or 0 or false.\n // TODO: Clean this up when we refactor schedulers mid-version-8 or so.\n errorValue = e ? e : new Error('Scheduled action threw falsy error');\n }\n if (errored) {\n this.unsubscribe();\n return errorValue;\n }\n }\n\n unsubscribe() {\n if (!this.closed) {\n const { id, scheduler } = this;\n const { actions } = scheduler;\n\n this.work = this.state = this.scheduler = null!;\n this.pending = false;\n\n arrRemove(actions, this);\n if (id != null) {\n this.id = this.recycleAsyncId(scheduler, id, null);\n }\n\n this.delay = null!;\n super.unsubscribe();\n }\n }\n}\n", "import { Action } from './scheduler/Action';\nimport { Subscription } from './Subscription';\nimport { SchedulerLike, SchedulerAction } from './types';\nimport { dateTimestampProvider } from './scheduler/dateTimestampProvider';\n\n/**\n * An execution context and a data structure to order tasks and schedule their\n * execution. Provides a notion of (potentially virtual) time, through the\n * `now()` getter method.\n *\n * Each unit of work in a Scheduler is called an `Action`.\n *\n * ```ts\n * class Scheduler {\n * now(): number;\n * schedule(work, delay?, state?): Subscription;\n * }\n * ```\n *\n * @class Scheduler\n * @deprecated Scheduler is an internal implementation detail of RxJS, and\n * should not be used directly. Rather, create your own class and implement\n * {@link SchedulerLike}. Will be made internal in v8.\n */\nexport class Scheduler implements SchedulerLike {\n public static now: () => number = dateTimestampProvider.now;\n\n constructor(private schedulerActionCtor: typeof Action, now: () => number = Scheduler.now) {\n this.now = now;\n }\n\n /**\n * A getter method that returns a number representing the current time\n * (at the time this function was called) according to the scheduler's own\n * internal clock.\n * @return {number} A number that represents the current time. May or may not\n * have a relation to wall-clock time. May or may not refer to a time unit\n * (e.g. milliseconds).\n */\n public now: () => number;\n\n /**\n * Schedules a function, `work`, for execution. May happen at some point in\n * the future, according to the `delay` parameter, if specified. May be passed\n * some context object, `state`, which will be passed to the `work` function.\n *\n * The given arguments will be processed an stored as an Action object in a\n * queue of actions.\n *\n * @param {function(state: ?T): ?Subscription} work A function representing a\n * task, or some unit of work to be executed by the Scheduler.\n * @param {number} [delay] Time to wait before executing the work, where the\n * time unit is implicit and defined by the Scheduler itself.\n * @param {T} [state] Some contextual data that the `work` function uses when\n * called by the Scheduler.\n * @return {Subscription} A subscription in order to be able to unsubscribe\n * the scheduled work.\n */\n public schedule(work: (this: SchedulerAction, state?: T) => void, delay: number = 0, state?: T): Subscription {\n return new this.schedulerActionCtor(this, work).schedule(state, delay);\n }\n}\n", "import { Scheduler } from '../Scheduler';\nimport { Action } from './Action';\nimport { AsyncAction } from './AsyncAction';\nimport { TimerHandle } from './timerHandle';\n\nexport class AsyncScheduler extends Scheduler {\n public actions: Array> = [];\n /**\n * A flag to indicate whether the Scheduler is currently executing a batch of\n * queued actions.\n * @type {boolean}\n * @internal\n */\n public _active: boolean = false;\n /**\n * An internal ID used to track the latest asynchronous task such as those\n * coming from `setTimeout`, `setInterval`, `requestAnimationFrame`, and\n * others.\n * @type {any}\n * @internal\n */\n public _scheduled: TimerHandle | undefined;\n\n constructor(SchedulerAction: typeof Action, now: () => number = Scheduler.now) {\n super(SchedulerAction, now);\n }\n\n public flush(action: AsyncAction): void {\n const { actions } = this;\n\n if (this._active) {\n actions.push(action);\n return;\n }\n\n let error: any;\n this._active = true;\n\n do {\n if ((error = action.execute(action.state, action.delay))) {\n break;\n }\n } while ((action = actions.shift()!)); // exhaust the scheduler queue\n\n this._active = false;\n\n if (error) {\n while ((action = actions.shift()!)) {\n action.unsubscribe();\n }\n throw error;\n }\n }\n}\n", "import { AsyncAction } from './AsyncAction';\nimport { AsyncScheduler } from './AsyncScheduler';\n\n/**\n *\n * Async Scheduler\n *\n * Schedule task as if you used setTimeout(task, duration)\n *\n * `async` scheduler schedules tasks asynchronously, by putting them on the JavaScript\n * event loop queue. It is best used to delay tasks in time or to schedule tasks repeating\n * in intervals.\n *\n * If you just want to \"defer\" task, that is to perform it right after currently\n * executing synchronous code ends (commonly achieved by `setTimeout(deferredTask, 0)`),\n * better choice will be the {@link asapScheduler} scheduler.\n *\n * ## Examples\n * Use async scheduler to delay task\n * ```ts\n * import { asyncScheduler } from 'rxjs';\n *\n * const task = () => console.log('it works!');\n *\n * asyncScheduler.schedule(task, 2000);\n *\n * // After 2 seconds logs:\n * // \"it works!\"\n * ```\n *\n * Use async scheduler to repeat task in intervals\n * ```ts\n * import { asyncScheduler } from 'rxjs';\n *\n * function task(state) {\n * console.log(state);\n * this.schedule(state + 1, 1000); // `this` references currently executing Action,\n * // which we reschedule with new state and delay\n * }\n *\n * asyncScheduler.schedule(task, 3000, 0);\n *\n * // Logs:\n * // 0 after 3s\n * // 1 after 4s\n * // 2 after 5s\n * // 3 after 6s\n * ```\n */\n\nexport const asyncScheduler = new AsyncScheduler(AsyncAction);\n\n/**\n * @deprecated Renamed to {@link asyncScheduler}. Will be removed in v8.\n */\nexport const async = asyncScheduler;\n", "import { AsyncAction } from './AsyncAction';\nimport { AnimationFrameScheduler } from './AnimationFrameScheduler';\nimport { SchedulerAction } from '../types';\nimport { animationFrameProvider } from './animationFrameProvider';\nimport { TimerHandle } from './timerHandle';\n\nexport class AnimationFrameAction extends AsyncAction {\n constructor(protected scheduler: AnimationFrameScheduler, protected work: (this: SchedulerAction, state?: T) => void) {\n super(scheduler, work);\n }\n\n protected requestAsyncId(scheduler: AnimationFrameScheduler, id?: TimerHandle, delay: number = 0): TimerHandle {\n // If delay is greater than 0, request as an async action.\n if (delay !== null && delay > 0) {\n return super.requestAsyncId(scheduler, id, delay);\n }\n // Push the action to the end of the scheduler queue.\n scheduler.actions.push(this);\n // If an animation frame has already been requested, don't request another\n // one. If an animation frame hasn't been requested yet, request one. Return\n // the current animation frame request id.\n return scheduler._scheduled || (scheduler._scheduled = animationFrameProvider.requestAnimationFrame(() => scheduler.flush(undefined)));\n }\n\n protected recycleAsyncId(scheduler: AnimationFrameScheduler, id?: TimerHandle, delay: number = 0): TimerHandle | undefined {\n // If delay exists and is greater than 0, or if the delay is null (the\n // action wasn't rescheduled) but was originally scheduled as an async\n // action, then recycle as an async action.\n if (delay != null ? delay > 0 : this.delay > 0) {\n return super.recycleAsyncId(scheduler, id, delay);\n }\n // If the scheduler queue has no remaining actions with the same async id,\n // cancel the requested animation frame and set the scheduled flag to\n // undefined so the next AnimationFrameAction will request its own.\n const { actions } = scheduler;\n if (id != null && actions[actions.length - 1]?.id !== id) {\n animationFrameProvider.cancelAnimationFrame(id as number);\n scheduler._scheduled = undefined;\n }\n // Return undefined so the action knows to request a new async id if it's rescheduled.\n return undefined;\n }\n}\n", "import { AsyncAction } from './AsyncAction';\nimport { AsyncScheduler } from './AsyncScheduler';\n\nexport class AnimationFrameScheduler extends AsyncScheduler {\n public flush(action?: AsyncAction): void {\n this._active = true;\n // The async id that effects a call to flush is stored in _scheduled.\n // Before executing an action, it's necessary to check the action's async\n // id to determine whether it's supposed to be executed in the current\n // flush.\n // Previous implementations of this method used a count to determine this,\n // but that was unsound, as actions that are unsubscribed - i.e. cancelled -\n // are removed from the actions array and that can shift actions that are\n // scheduled to be executed in a subsequent flush into positions at which\n // they are executed within the current flush.\n const flushId = this._scheduled;\n this._scheduled = undefined;\n\n const { actions } = this;\n let error: any;\n action = action || actions.shift()!;\n\n do {\n if ((error = action.execute(action.state, action.delay))) {\n break;\n }\n } while ((action = actions[0]) && action.id === flushId && actions.shift());\n\n this._active = false;\n\n if (error) {\n while ((action = actions[0]) && action.id === flushId && actions.shift()) {\n action.unsubscribe();\n }\n throw error;\n }\n }\n}\n", "import { AnimationFrameAction } from './AnimationFrameAction';\nimport { AnimationFrameScheduler } from './AnimationFrameScheduler';\n\n/**\n *\n * Animation Frame Scheduler\n *\n * Perform task when `window.requestAnimationFrame` would fire\n *\n * When `animationFrame` scheduler is used with delay, it will fall back to {@link asyncScheduler} scheduler\n * behaviour.\n *\n * Without delay, `animationFrame` scheduler can be used to create smooth browser animations.\n * It makes sure scheduled task will happen just before next browser content repaint,\n * thus performing animations as efficiently as possible.\n *\n * ## Example\n * Schedule div height animation\n * ```ts\n * // html:
\n * import { animationFrameScheduler } from 'rxjs';\n *\n * const div = document.querySelector('div');\n *\n * animationFrameScheduler.schedule(function(height) {\n * div.style.height = height + \"px\";\n *\n * this.schedule(height + 1); // `this` references currently executing Action,\n * // which we reschedule with new state\n * }, 0, 0);\n *\n * // You will see a div element growing in height\n * ```\n */\n\nexport const animationFrameScheduler = new AnimationFrameScheduler(AnimationFrameAction);\n\n/**\n * @deprecated Renamed to {@link animationFrameScheduler}. Will be removed in v8.\n */\nexport const animationFrame = animationFrameScheduler;\n", "import { Observable } from '../Observable';\nimport { SchedulerLike } from '../types';\n\n/**\n * A simple Observable that emits no items to the Observer and immediately\n * emits a complete notification.\n *\n * Just emits 'complete', and nothing else.\n *\n * ![](empty.png)\n *\n * A simple Observable that only emits the complete notification. It can be used\n * for composing with other Observables, such as in a {@link mergeMap}.\n *\n * ## Examples\n *\n * Log complete notification\n *\n * ```ts\n * import { EMPTY } from 'rxjs';\n *\n * EMPTY.subscribe({\n * next: () => console.log('Next'),\n * complete: () => console.log('Complete!')\n * });\n *\n * // Outputs\n * // Complete!\n * ```\n *\n * Emit the number 7, then complete\n *\n * ```ts\n * import { EMPTY, startWith } from 'rxjs';\n *\n * const result = EMPTY.pipe(startWith(7));\n * result.subscribe(x => console.log(x));\n *\n * // Outputs\n * // 7\n * ```\n *\n * Map and flatten only odd numbers to the sequence `'a'`, `'b'`, `'c'`\n *\n * ```ts\n * import { interval, mergeMap, of, EMPTY } from 'rxjs';\n *\n * const interval$ = interval(1000);\n * const result = interval$.pipe(\n * mergeMap(x => x % 2 === 1 ? of('a', 'b', 'c') : EMPTY),\n * );\n * result.subscribe(x => console.log(x));\n *\n * // Results in the following to the console:\n * // x is equal to the count on the interval, e.g. (0, 1, 2, 3, ...)\n * // x will occur every 1000ms\n * // if x % 2 is equal to 1, print a, b, c (each on its own)\n * // if x % 2 is not equal to 1, nothing will be output\n * ```\n *\n * @see {@link Observable}\n * @see {@link NEVER}\n * @see {@link of}\n * @see {@link throwError}\n */\nexport const EMPTY = new Observable((subscriber) => subscriber.complete());\n\n/**\n * @param scheduler A {@link SchedulerLike} to use for scheduling\n * the emission of the complete notification.\n * @deprecated Replaced with the {@link EMPTY} constant or {@link scheduled} (e.g. `scheduled([], scheduler)`). Will be removed in v8.\n */\nexport function empty(scheduler?: SchedulerLike) {\n return scheduler ? emptyScheduled(scheduler) : EMPTY;\n}\n\nfunction emptyScheduled(scheduler: SchedulerLike) {\n return new Observable((subscriber) => scheduler.schedule(() => subscriber.complete()));\n}\n", "import { SchedulerLike } from '../types';\nimport { isFunction } from './isFunction';\n\nexport function isScheduler(value: any): value is SchedulerLike {\n return value && isFunction(value.schedule);\n}\n", "import { SchedulerLike } from '../types';\nimport { isFunction } from './isFunction';\nimport { isScheduler } from './isScheduler';\n\nfunction last(arr: T[]): T | undefined {\n return arr[arr.length - 1];\n}\n\nexport function popResultSelector(args: any[]): ((...args: unknown[]) => unknown) | undefined {\n return isFunction(last(args)) ? args.pop() : undefined;\n}\n\nexport function popScheduler(args: any[]): SchedulerLike | undefined {\n return isScheduler(last(args)) ? args.pop() : undefined;\n}\n\nexport function popNumber(args: any[], defaultValue: number): number {\n return typeof last(args) === 'number' ? args.pop()! : defaultValue;\n}\n", "export const isArrayLike = ((x: any): x is ArrayLike => x && typeof x.length === 'number' && typeof x !== 'function');", "import { isFunction } from \"./isFunction\";\n\n/**\n * Tests to see if the object is \"thennable\".\n * @param value the object to test\n */\nexport function isPromise(value: any): value is PromiseLike {\n return isFunction(value?.then);\n}\n", "import { InteropObservable } from '../types';\nimport { observable as Symbol_observable } from '../symbol/observable';\nimport { isFunction } from './isFunction';\n\n/** Identifies an input as being Observable (but not necessary an Rx Observable) */\nexport function isInteropObservable(input: any): input is InteropObservable {\n return isFunction(input[Symbol_observable]);\n}\n", "import { isFunction } from './isFunction';\n\nexport function isAsyncIterable(obj: any): obj is AsyncIterable {\n return Symbol.asyncIterator && isFunction(obj?.[Symbol.asyncIterator]);\n}\n", "/**\n * Creates the TypeError to throw if an invalid object is passed to `from` or `scheduled`.\n * @param input The object that was passed.\n */\nexport function createInvalidObservableTypeError(input: any) {\n // TODO: We should create error codes that can be looked up, so this can be less verbose.\n return new TypeError(\n `You provided ${\n input !== null && typeof input === 'object' ? 'an invalid object' : `'${input}'`\n } where a stream was expected. You can provide an Observable, Promise, ReadableStream, Array, AsyncIterable, or Iterable.`\n );\n}\n", "export function getSymbolIterator(): symbol {\n if (typeof Symbol !== 'function' || !Symbol.iterator) {\n return '@@iterator' as any;\n }\n\n return Symbol.iterator;\n}\n\nexport const iterator = getSymbolIterator();\n", "import { iterator as Symbol_iterator } from '../symbol/iterator';\nimport { isFunction } from './isFunction';\n\n/** Identifies an input as being an Iterable */\nexport function isIterable(input: any): input is Iterable {\n return isFunction(input?.[Symbol_iterator]);\n}\n", "import { ReadableStreamLike } from '../types';\nimport { isFunction } from './isFunction';\n\nexport async function* readableStreamLikeToAsyncGenerator(readableStream: ReadableStreamLike): AsyncGenerator {\n const reader = readableStream.getReader();\n try {\n while (true) {\n const { value, done } = await reader.read();\n if (done) {\n return;\n }\n yield value!;\n }\n } finally {\n reader.releaseLock();\n }\n}\n\nexport function isReadableStreamLike(obj: any): obj is ReadableStreamLike {\n // We don't want to use instanceof checks because they would return\n // false for instances from another Realm, like an