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Change Log

All notable changes to this project will be documented in this file. This project adheres to Semantic Versioning.

12.0.1 - 2018-08-29

  • Since ESLint 5 no longer supports Node 4, standard silently passes when run in Node 4, which matches the current behavior for Node 0.10, 0.12, and all other unsupported versions of Node.

12.0.0 - 2018-08-28

New version of ESLint, new version of Standard!

When you upgrade, consider running standard --fix to automatically format your code to match the newly added rules.

New features

  • Update eslint from ~4.19.0 to ~5.4.0.
    • Support JSXFragment nodes (e.g. <></>)
    • Lots of minor changes to rules to catch more edge cases!
  • The README is now available in French! (Thanks @charliegerard!)
    • Other community contributed translations exist in Spanish, Italian, Korean, Portuguese, Simplified Chinese, and Taiwanese Mandarin.
    • More translations are welcome!

New rules

(Estimated % of affected standard users, based on test suite in parens)

Changed rules

None.

11.0.0 - 2018-02-18

This release has no new rules, but it does update to the latest version of eslint, version 4, which has some significant changes to existing rules. Most updates make the indentation rules more strict.

Thankfully, most users will just need to run standard --fix to update code to be compliant.

New features

  • Update eslint from ~3.19.0 to ~4.18.0.

    • The indent rule is more strict.
    • The padded-blocks rule is more strict.
    • The space-before-function-paren rule is more strict.
    • The no-multi-spaces rule is more strict.
    • Minor improvements to:
    • no-extra-parens,
    • no-unexpected-multiline,
    • no-regex-spaces, and
    • space-unary-ops
  • Update eslint-plugin-import from ~2.2.0 to ~2.8.0

    • Updated for eslint 4.0 compatibility.
    • Various small bug fixes included related to import/* rules.
  • Update eslint-plugin-node from ~4.2.2 to ~6.0.0

    • The no-deprecated-api rule is updated with Node.js 8 support and improved Node 6 support.
  • Upodate eslint-plugin-promise from ~3.5.0 to ~3.6.0.

  • Update eslint-plugin-react from ~6.10.0 to ~7.6.1

    • Fix jsx-indent crash
    • Fix jsx-indent indentation calculation with nested JSX.
    • Fix jsx-no-undef will not check the global scope by default.
    • Fix jsx-curly-spacing newline with object literals bug.
    • Fix jsx-curly-spacing schema incompatibility with ESLint 4.2.0.
    • Fix alignment bug in jsx-indent.

Changed rules

  • Relax rule: Don't mark Rails Asset Pipeline comments (comments that start with //=) as errors. (spaced-comment) #918

👏 Huge thanks to @Flet for putting together most of this release!

10.0.3 - 2017-08-06

  • Internal changes (incremented dependency versions)

10.0.2 - 2017-04-14

Changed rules

  • Relax rule: Disallow import of modules using absolute paths (import/no-absolute-path) #861
    • This rule was responsible for up to 25% of the running time of standard, so we are disabling it until its performance improves.

10.0.1 - 2017-04-06

  • Internal changes (incremented dependency versions)

10.0.0 - 2017-04-04

standard just turned 10.0.0! 🎉

As with every new major release, there are lots of new rules in 10.0.0 designed to help catch bugs and make programmer intent more explicit.

standard is more popular than ever – 330,000 downloads per month! It's even more popular – 670,000 downloads per month – if you include the shareable ESLint config that we also publish.

The most important change in 10.0.0 is that using deprecated Node.js APIs is now considered an error. It's finally time to update those dusty old APIs!

Deprecated APIs are problematic because they may print warning messages in the console in recent versions of Node.js. This often confuses users and leads to unnecessary support tickets for project maintainers.

Some deprecated APIs are even insecure (or at least prone to incorrect usage) which can have serious security implications. For that reason, standard now considers usage of Buffer(num) to be an error, since this function returns uninitialized program memory which could contain confidential information like passwords or keys.

Instead of Buffer(num), consider using Buffer.alloc(num) or Buffer.from(obj) which make the programmer's intent clearer. These functions exist in all currently supported versions of Node.js, including Node.js 4.x. For more background, see this Node.js issue.

We also improved some rules to support common patterns in code bases that use React, JSX, and Flow.

When you upgrade, consider running standard --fix to automatically fix some of the issues caught by this new version.

New features

  • Update ESLint from 3.15.x to 3.19.x.
  • Node.js API: Add standard.lintTextSync method

New rules

(Estimated % of affected standard users, based on test suite in parens)

  • Disallow using deprecated Node.js APIs (node/no-deprecated-api) #693 (13%)
    • Ensures that code always runs without warnings on the latest versions of Node.js
    • Ensures that safe Buffer methods (Buffer.from(), Buffer.alloc()) are used instead of Buffer()
  • Enforce callbacks always called with Node.js-style error first (standard/no-callback-literal) #623 (3%)
    • Functions named callback or cb must be invoked with null, undefined, or an Error as the first argument
    • Disallows using a string instead of an Error object
    • Disallows confusing callbacks that do not follow the standard Node.js pattern
  • Disallow any imports that come after non-import statements (import/first) #806 (1%)
  • Disallow unnecessary return await (no-return-await) #695 (0%)
  • Disallow comma-dangle in functions (comma-dangle) #787 (0%)
  • Disallow repeated exports of names or defaults (import/export) #806 (0%)
  • Disallow import of modules using absolute paths (import/no-absolute-path) #806 (0%)
  • Disallow Webpack loader syntax in imports (import/no-webpack-loader-syntax) #806 (0%)
  • Disallow comparing against -0 (no-compare-neg-zero) #812 (0%)

Changed rules

  • Relax rule: allow using ...rest to omit properties from an object (no-unused-vars) #800
    • This is a common and useful pattern in React/JSX apps!
  • Relax rule: allow Flow import type statements (import/no-duplicates) #599
    • These are no longer considered to be "duplicate imports"
  • Relax rule: Treat process.exit() the same as throw in code path analysis (node/process-exit-as-throw) #699
    • Makes certain other rules work better and give fewer false positives
  • Relax rule: allow Unnecessary Labels (no-extra-label)
    • Redundant, since "no-labels" is already enabled, which is more restrictive

9.0.2 - 2017-03-17

Changed rules

9.0.1 - 2017-03-07

Changed rules

  • Relax rule: Allow mixing basic operators without parens (no-mixed-operators) #816
    • Specifically, these operators: +, -, *, /, %, and **

9.0.0 - 2017-02-28

It's time for a new major version of standard! As usual, this release contains a bunch of awesomeness to help you keep your code in tip-top shape!

We've added several new rules designed to catch potential programmer errors (i.e. bugs), as well as rules to make programmer intent more explicit in certain circumstances.

This release continues our trend of tightening up rules so that, wherever possible, there's one "right" way to do things. This design goal is intended to reduce the time that teams and maintainers spend giving code review feedback in pull requests.

When you upgrade, consider running standard --fix to automatically fix some of the errors caught by the new rules in this version.

Note: If you use the Chai test framework, you will need to make some changes to your tests to improve their robustness. Read about the changes you need to make.

New features

  • Update ESLint from 3.10.x to 3.15.x
  • 3 additional rules are now fixable with standard --fix

New rules

(Estimated % of affected standard users, based on test suite in parens)

Changed rules

8.6.0 - 2016-11-22

  • Update ESLint from 3.8.x to 3.10.x
  • 3 additional rules are now fixable with standard --fix

8.5.0 - 2016-10-25

  • Update ESLint from 3.7.x to 3.8.x
  • 2 additional rules are now fixable with standard --fix

8.4.0 - 2016-10-10

  • Update ESLint from 3.6.x to 3.7.x
  • 5 additional rules are now fixable with standard --fix
  • Use more conservative semver ranges #654

8.3.0 - 2016-09-29

The last release (8.2.0) added ES7 support. This release (8.3.0) adds ES8 support ...just 3 days later!

This release should eliminate the need to specify babel-eslint as a custom parser, since standard can now parse ES8 (i.e. ES2017) syntax out of the box. That means async and await will just work.

  • Support ES8 (i.e. ES2017) syntax.

8.2.0 - 2016-09-26

For many users, this release should eliminate the need to specify babel-eslint as a custom parser, since standard can now parse ES7 (i.e. ES2016) syntax out of the box.

  • Support ES7 (i.e. ES2016) syntax.
  • Update ESLint from 3.5.x to 3.6.x
  • 4 additional rules are now fixable with standard --fix

8.1.0 - 2016-09-17

  • Update ESLint from 3.3.x to 3.5.x
  • Around 10 additional rules are now fixable with standard --fix

8.0.0 - 2016-08-23

This release contains a bunch of goodies, including new rules that catch potential programmer errors (i.e. bugs) and enforce additional code consistency.

However, the best feature is surely the new --fix command line flag to automatically fix problems. If you ever used standard-format and ran into issues with the lack of ES2015+ support, you'll be happy about --fix.

standard --fix is built into standard v8.0.0 for maximum convenience, it supports ES2015, and it's lightweight (no additional dependencies since it's part of ESLint which powers standard). Lots of problems are already fixable, and more are getting added with each ESLint release.

standard also outputs a message ("Run standard --fix to automatically fix some problems.") when it detects problems that can be fixed automatically so you can save time!

With standard v8.0.0, we are also dropping support for Node.js versions prior to v4. Node.js 0.10 and 0.12 are in maintenance mode and will be unsupported at the end of 2016. Node.js 4 is the current LTS version. If you are using an older version of Node.js, we recommend upgrading to at least Node.js 4 as soon as possible. If you are unable to upgrade to Node.js 4 or higher, then we recommend continuing to use standard v7.x until you are ready to upgrade Node.js.

Important: We will not be updating the standard v7.x versions going forward. All bug fixes and enhancements will land in standard v8.x.

Full changelog below. Cheers!

New features

New rules

(Estimated % of affected standard users, based on test suite in parens)

Changed rules

  • Relax rule: Allow template literal strings (backtick strings) to avoid escaping
 #421
  • Relax rule: Do not enforce spacing around * in generator functions (standard#564 (comment))
    • This is a temporary workaround for babel users who use async generator functions.

7.1.2 - 2016-06-03

  • Fix install errors for some users by updating eslint peer dependency

7.1.1 - 2016-05-26

  • Add back full node 0.10, 0.12 support

7.1.0 - 2016-05-16

  • Upgrade eslint to version ~2.10.2

7.0.1 - 2016-05-04

  • Relax "no-duplicate-imports" rule to not include export so the following is allowed:
import { foo } from 'bar'
export * from 'bar'

7.0.0 - 2016-05-02

Changes

  • Upgrade eslint to version ~2.9.0
  • Remove "rules" configuration option #367 from package.json (Reasoning is here)

New rules

Estimated % of affected standard users, based on test suite

Removed rules

6.0.8 - 2016-03-07

  • Pin eslint to version ~2.2.0
  • Update eslint-plugin-react to version 4.0.0

6.0.7 - 2016-02-18

  • Revert: Use install location of standard as eslint cwd (fixes #429)

6.0.6 - 2016-02-18

  • Use eslint 2.1.0
  • Fix: Use install location of standard as eslint cwd (fixes snazzy/#8)

6.0.5 - 2016-02-12

  • Use eslint 2.0.0 stable

6.0.4 - 2016-02-07

6.0.3 - 2016-02-06

  • Fix "Error: Cannot find module 'eslint-config-standard-jsx'" with npm 2 (node 0.10, 0.12, 4)

6.0.2 - 2016-02-06

  • Internal change: Remove .eslintrc file, and use inline config

6.0.1 - 2016-02-05

  • Internal change: Move .eslintrc file to root folder

6.0.0 - 2016-02-05

The goal of this release is to make standard faster to install, and simpler to use.

Remove standard-format (#340) (#397)

  • Eliminates 250 packages, and cuts install time in half!
  • For npm 2, install time goes from 20 secs —> 10 secs.
  • For npm 3, install time goes from 24 secs —> 12 secs.
  • To continue using standard-format, just install it separately: npm install -g standard-format

React-specific linting rules are removed (#351) (#367) (eslint-config-standard-react/#13)

  • JSX is still supported, and it continues to be checked for style.
  • There were only a few React-specific rules, but they made it extremely difficult for users of alternatives like virtual-dom or deku, and unecessarily tied standard to a single library.
  • JSX rules come from eslint-config-standard-jsx. The eslint-config-standard-react dependency was removed.

New Rules

The percentage (%) of users that rule changes will effect, based on real-world testing of the top ~400 npm packages is denoted in brackets.

Removed Rules

  • parseInt() radix rule because ES5 fixes this issue (#384)
 (radix) [0%]

Expose eslint configuration via command line options and package.json

For power users, it might be easier to use one of these new hooks instead of forking standard, though that's still encouraged, too!

  • Set eslint "plugins" (#386)
  • Set eslint "rules" (#367)
  • Set eslint "env" (#371)

To set custom ESLint plugins, rules, or envs, use the command line --plugin, --rules, and --env flags.

In package.json, use the "standard" property:

{
  "standard": {
    "plugins": [ "my-plugin" ]
  }
}

Upgrade to ESLint v2

  • There may be slight behavior changes to existing rules. When possible, we've noted these in the "New Rules" and "Removed Rules" section.

Improve test suite

  • Rule changes can be tested against every package on npm. For sanity, this is limited to packages with at least 4 dependents. Around ~400 packages.

Known Issues

  • Using prerelease eslint version (2.0.0-rc.0). There may be breaking changes before the stable release.
  • no-return-assign behavior changed with arrow functions (eslint/eslint#5150)

Relevant diffs

5.4.1 - 2015-11-16

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Fixed

  • Fix for standard-engine change. Fix error tagline.

5.4.0 - 2015-11-16

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Added

  • eslint-config-standard-react@1.2.0 (history)
    • Disallow duplicate JSX properties

5.3.1 - 2015-09-18

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Changed

  • eslint-plugin-react@3.4.2 (history)

5.3.0 - 2015-09-16

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Changed

  • eslint-config-standard@4.4.0 (history)
    • New rule: must have space after semicolon in for-loop (commit)
    • New rule: No default assignment with ternary operator (commit)
    • New rule: Require spaces before keywords (commit)
  • eslint-config-standard-react@1.1.0 (history)
  • eslint-plugin-react@3.4.0 (history)
  • eslint-plugin-standard@1.3.1 (history)

5.2.2

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Fixed

  • We have a changelog now, and you're reading it!
  • Minor README update
  • Removed direct dependency on eslint (its now moved to standard-engine)

5.2.1 - 2015-09-03

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Changed

  • eslint-config-standard@4.3.1 (history)
    • Revert rule: Disallow unncessary concatenation of strings

Fixed

  • eslint-config-standard@4.3.1 (history)
    • fix regression with ternary operator handling

5.2.0 - 2015-09-03

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Added

  • eslint-config-standard@4.3.0 (history)
    • New rule: Disallow unncessary concatenation of strings
    • New rule: Disallow duplicate name in class members
    • New rule: enforce spaces inside of single line blocks
    • Re-add rule: padded-blocks (Closes #170)

Changed

  • Bump eslint from 1.1.0 to 1.3.1 (CHANGELOG)
  • eslint-plugin-standard@1.3.0 (history)
    • A small change to make the plugin compatible with browserify which does not affect behavior.

Fixed

  • eslint-plugin-react@3.3.1 (CHANGELOG)
    • Fix object rest/spread handling.
  • Added white background to badge.svg to make it work with dark backgrounds (Closes #234)
  • Minor updates to README.md

5.1.1 - 2015-08-28

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Fixed

  • Update to RULES.md to remove a missing hyperlink
  • Add atom linter information to README.md
  • Fixed duplicated word in the tagline message on the CLI
  • Removed failing repository from tests (yoshuawuyts/initialize)

5.1.0 - 2015-08-14

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Fixed

  • eslint-config-standard@4.1.0 (history)
  • eslint-plugin-react@3.2.2 (CHANGELOG)
    • Fix crash when propTypes don't have any parent
    • Fix jsx-no-literals reporting errors outside JSX

Changed

  • Bump eslint from 1.0.0 to 1.2.0 (CHANGELOG)
  • Added more test repositories and disabled some that were failing
  • Update bikeshedding link on README.md

5.0.2 - 2015-08-06

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Changed

  • eslint-config-standard-react@1.0.4 (history)
    • Disable Rule: react/wrap-multilines
  • Minor README updates

5.0.1 - 2015-08-05

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5.0.0 - 2015-08-03

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4.5.4 - 2015-07-13

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4.5.3 - 2015-07-10

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4.5.2 - 2015-07-02

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4.5.1 - 2015-06-30

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4.5.0 - 2015-06-30

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4.4.1 - 2015-06-29

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4.4.0 - 2015-06-27

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4.3.3 - 2015-06-26

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4.3.2 - 2015-06-23

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4.3.1 - 2015-06-18

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4.3.0 - 2015-06-16

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4.2.1 - 2015-06-12

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4.2.0 - 2015-06-11

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4.1.1 - 2015-06-11

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4.1.0 - 2015-06-10

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4.0.1 - 2015-06-01

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4.0.0 - 2015-05-30

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