build: add Bazel rules

.circleci/bazel.rc

@@ -0,0 +1,39 @@
+# These options are enabled when running on CI
+# We do this by copying this file to /etc/bazel.bazelrc at the start of the build.
+# See remote cache documentation in /docs/BAZEL.md
+
+# Don't be spammy in the logs
+build --noshow_progress
+
+# Don't run manual tests
+test --test_tag_filters=-manual
+
+# Print all the options that apply to the build.
+# This helps us diagnose which options override others
+# (e.g. /etc/bazel.bazelrc vs. tools/bazel.rc)
+build --announce_rc
+
+# Create dist/bin symlink to $(bazel info bazel-bin)
+# We use this when uploading artifacts after the build finishes
+build --symlink_prefix=dist/bazel/
+
+# Enable experimental CircleCI bazel remote cache proxy
+# See remote cache documentation in /docs/BAZEL.md
+build --experimental_remote_spawn_cache --remote_rest_cache=http://localhost:7643
+
+# Prevent unstable environment variables from tainting cache keys
+build --experimental_strict_action_env
+
+# Save downloaded repositories such as the go toolchain
+# This directory can then be included in the CircleCI cache
+# It should save time running the first build
+build --experimental_repository_cache=/home/circleci/bazel_repository_cache
+
+# Workaround https://github.com/bazelbuild/bazel/issues/3645
+# Bazel doesn't calculate the memory ceiling correctly when running under Docker.
+# Limit Bazel to consuming resources that fit in CircleCI "xlarge" class
+# https://circleci.com/docs/2.0/configuration-reference/#resource_class
+build --local_resources=14336,8.0,1.0
+
+# Retry in the event of flakes, eg. https://circleci.com/gh/angular/angular/31309
+test --flaky_test_attempts=2

.circleci/config.yml

@@ -0,0 +1,137 @@
+# Configuration file for https://circleci.com/gh/angular/flex-layout
+
+# Note: YAML anchors allow an object to be re-used, reducing duplication.
+# The ampersand declares an alias for an object, then later the `<<: *name`
+# syntax dereferences it.
+# See http://blog.daemonl.com/2016/02/yaml.html
+# To validate changes, use an online parser, eg.
+# http://yaml-online-parser.appspot.com/
+
+## IMPORTANT
+# If you change the `docker_image` version, also change the `cache_key` suffix and the version of
+# `com_github_bazelbuild_buildtools` in the `/WORKSPACE` file.
+var_1: &docker_image angular/ngcontainer:0.3.0
+var_2: &cache_key v2-preboot-{{ .Branch }}-{{ checksum "npm-shrinkwrap.json" }}-0.3.0
+
+# Define common ENV vars
+var_3: &define_env_vars
+  run: echo "export PROJECT_ROOT=$(pwd)" >> $BASH_ENV
+
+# See remote cache documentation in /docs/BAZEL.md
+var_4: &setup-bazel-remote-cache
+  run:
+    name: Start up bazel remote cache proxy
+    command: ~/bazel-remote-proxy -backend circleci://
+    background: true
+
+# Settings common to each job
+anchor_1: &job_defaults
+  working_directory: ~/ng
+  docker:
+    - image: *docker_image
+
+# After checkout, rebase on top of master.
+# Similar to travis behavior, but not quite the same.
+# By default, PRs are not rebased on top of master, which we want.
+# See https://discuss.circleci.com/t/1662
+anchor_2: &post_checkout
+  post: git pull --ff-only origin "refs/pull/${CI_PULL_REQUEST//*pull\//}/merge"
+
+version: 2
+jobs:
+  lint:
+    <<: *job_defaults
+    steps:
+      - checkout:
+          <<: *post_checkout
+
+      # Enforce that BUILD files are formatted. Note that this uses the version of buildifier
+      # from the docker image above - take care that you use the same version when you run
+      # buildifier locally on your change.
+      - run: 'buildifier -mode=check $(find . -type f \( -name BUILD.bazel -or -name BUILD \)) ||
+              (echo "BUILD files not formatted. Please run ''npm run buildifier''" ; exit 1)'
+
+      # Run the skylark linter to check our Bazel rules
+      - run: 'find . -type f -name "*.bzl" |
+              xargs java -jar /usr/local/bin/Skylint_deploy.jar ||
+              (echo -e "\n.bzl files have lint errors. Please run ''npm run skylint''"; exit 1)'
+
+      - restore_cache:
+          key: *cache_key
+
+      - run: npm install --frozen-lockfile --non-interactive
+      - run: npm run lint
+
+  build:
+    <<: *job_defaults
+    resource_class: large
+    steps:
+      - checkout:
+          <<: *post_checkout
+      # See remote cache documentation in /docs/BAZEL.md
+      - run: .circleci/setup_cache.sh
+      - run: sudo cp .circleci/bazel.rc /etc/bazel.bazelrc
+      - *setup-bazel-remote-cache
+      - restore_cache:
+          key: *cache_key
+
+      - run: bazel info release
+      - run: bazel run @nodejs//:npm install
+      # For some reason, circleci needs the postinstall to be run explicitly.
+      # This may be unnecessary once rules_nodejs uses nodejs 8
+      - run: bazel run @nodejs//:npm run postinstall
+      # Use bazel query so that we explicitly ask for all buildable targets to be built as well
+      # This avoids waiting for the slowest build target to finish before running the first test
+      # See https://github.com/bazelbuild/bazel/issues/4257
+      # NOTE: Angular developers should typically just bazel build //... or bazel test //...
+      - run: bazel query --output=label //... | xargs bazel test
+
+      # Save the npm packages from //packages/... for other workflow jobs to read
+      # https://circleci.com/docs/2.0/workflows/#using-workspaces-to-share-data-among-jobs
+      # - persist_to_workspace:
+      #     root: dist
+      #     paths:
+      #       - dist
+
+      - save_cache:
+          key: *cache_key
+          paths:
+            - "node_modules"
+
+      # Save the npm packages from //packages/... for other workflow jobs to read
+      # https://circleci.com/docs/2.0/workflows/#using-workspaces-to-share-data-among-jobs
+      - persist_to_workspace:
+          root: dist
+          paths:
+            - bazel/**/*
+
+  # We run the integration tests outside of Bazel for now.
+  # They are a separate workflow job so that they can be easily re-run.
+  # When the tests are ported to bazel test targets, they should move to the "test"
+  # job above, as part of the bazel test command. That has flaky_test_attempts so the
+  # need to re-run manually should be alleviated.
+  integration_test:
+    <<: *job_defaults
+    steps:
+      - *define_env_vars
+      - checkout:
+          <<: *post_checkout
+      - attach_workspace:
+          at: dist
+      - run: npm install --frozen-lockfile --non-interactive
+      - run: npm run e2e
+
+workflows:
+  version: 2
+  default_workflow:
+    jobs:
+      - lint
+      - build
+      - integration_test:
+          requires:
+            - build
+
+general:
+  branches:
+    only:
+      - master

.circleci/setup_cache.sh

@@ -0,0 +1,11 @@
+#!/bin/sh
+# Install bazel remote cache proxy
+# This is temporary until the feature is no longer experimental on CircleCI.
+# See remote cache documentation in /docs/BAZEL.md
+
+set -u -e
+
+readonly DOWNLOAD_URL="https://5-116431813-gh.circle-artifacts.com/0/pkg/bazel-remote-proxy-$(uname -s)_$(uname -m)"
+
+curl --fail -o ~/bazel-remote-proxy "$DOWNLOAD_URL"
+chmod +x ~/bazel-remote-proxy

.gitignore

@@ -5,6 +5,8 @@ logs
 .vscode
 .DS_Store
 **/.DS_Store
+bazel-out
+yarn.lock
 
 package-lock.json
 

BUILD.bazel

@@ -0,0 +1,70 @@
+package(default_visibility = ["//visibility:public"])
+
+load("@build_bazel_rules_nodejs//:defs.bzl", "node_modules_filegroup")
+
+# This rule belongs in node_modules/BUILD
+# It's here as a workaround for
+# https://github.com/bazelbuild/bazel/issues/374#issuecomment-296217940
+node_modules_filegroup(
+    name = "node_modules",
+    packages = [
+        "bytebuffer",
+        "jasmine",
+        "minimist",
+        "protobufjs",
+        "protractor",
+        "reflect-metadata",
+        "rxjs",
+        "tsickle",
+        "tslib",
+        "tsutils",
+        "typescript",
+        "zone.js",
+        "@angular",
+        "@types",
+    ],
+)
+
+# Glob pattern that matches all Angular testing bundles.
+ANGULAR_TESTING = [
+    "node_modules/@angular/*/bundles/*-testing.umd.js",
+    # The compiler and the dynamic platform-browser should be visible only in tests
+    "node_modules/@angular/compiler/bundles/*.umd.js",
+    "node_modules/@angular/platform-browser-dynamic/bundles/*.umd.js",
+]
+
+filegroup(
+    name = "angular_bundles",
+    srcs = glob(
+        ["node_modules/@angular/*/bundles/*.umd.js"],
+        exclude = ANGULAR_TESTING,
+    ),
+)
+
+filegroup(
+    name = "angular_test_bundles",
+    testonly = 1,
+    srcs = glob(ANGULAR_TESTING),
+)
+
+filegroup(
+    name = "tslib_bundle",
+    testonly = 1,
+    srcs = glob(["node_modules/tslib/tslib.js"]),
+)
+
+# Files necessary for unit tests that use zonejs
+filegroup(
+    name = "web_test_bootstrap_scripts",
+    # The order of these deps is important.
+    # Do not sort.
+    srcs = [
+        "//:node_modules/reflect-metadata/Reflect.js",
+        "//:node_modules/zone.js/dist/zone.js",
+        "//:node_modules/zone.js/dist/async-test.js",
+        "//:node_modules/zone.js/dist/sync-test.js",
+        "//:node_modules/zone.js/dist/fake-async-test.js",
+        "//:node_modules/zone.js/dist/proxy.js",
+        "//:node_modules/zone.js/dist/jasmine-patch.js",
+    ],
+)

WORKSPACE

@@ -0,0 +1,107 @@
+workspace(name = "preboot")
+
+#
+# Download Bazel toolchain dependencies as needed by build actions
+#
+
+http_archive(
+    name = "build_bazel_rules_nodejs",
+    urls = ["https://github.com/bazelbuild/rules_nodejs/archive/0.11.2.zip"],
+    strip_prefix = "rules_nodejs-0.11.2",
+    sha256 = "c00d5381adeefb56e0ef959a7b168cae628535dab933cfad1c2cd1870cd7c9de",
+)
+
+http_archive(
+    name = "bazel_skylib",
+    urls = ["https://github.com/bazelbuild/bazel-skylib/archive/0.3.1.zip"],
+    strip_prefix = "bazel-skylib-0.3.1",
+    sha256 = "95518adafc9a2b656667bbf517a952e54ce7f350779d0dd95133db4eb5c27fb1",
+)
+
+http_archive(
+    name = "io_bazel_rules_webtesting",
+    url = "https://github.com/bazelbuild/rules_webtesting/archive/7ffe970bbf380891754487f66c3d680c087d67f2.zip",
+    strip_prefix = "rules_webtesting-7ffe970bbf380891754487f66c3d680c087d67f2",
+    sha256 = "4fb0dca8c9a90547891b7ef486592775a523330fc4555c88cd8f09270055c2ce",
+)
+
+http_archive(
+    name = "build_bazel_rules_typescript",
+    url = "https://github.com/bazelbuild/rules_typescript/archive/1d9a4b0087f307e31af91e2b221a6447288994c6.zip",
+    strip_prefix = "rules_typescript-1d9a4b0087f307e31af91e2b221a6447288994c6",
+    sha256 = "e17ac3f33d5d3cd2a0c385c4fd28b814d0ad46c6c67ccaef97160be99d7a24eb",
+)
+
+http_archive(
+    name = "io_bazel_rules_go",
+    url = "https://github.com/bazelbuild/rules_go/releases/download/0.10.3/rules_go-0.10.3.tar.gz",
+    sha256 = "feba3278c13cde8d67e341a837f69a029f698d7a27ddbb2a202be7a10b22142a",
+)
+
+# This commit matches the version of buildifier in angular/ngcontainer
+# If you change this, also check if it matches the version in the angular/ngcontainer
+# version in /.circleci/config.yml
+BAZEL_BUILDTOOLS_VERSION = "82b21607e00913b16fe1c51bec80232d9d6de31c"
+
+http_archive(
+    name = "com_github_bazelbuild_buildtools",
+    url = "https://github.com/bazelbuild/buildtools/archive/%s.zip" % BAZEL_BUILDTOOLS_VERSION,
+    strip_prefix = "buildtools-%s" % BAZEL_BUILDTOOLS_VERSION,
+    sha256 = "edb24c2f9c55b10a820ec74db0564415c0cf553fa55e9fc709a6332fb6685eff",
+)
+
+# Fetching the Bazel source code allows us to compile the Skylark linter
+http_archive(
+    name = "io_bazel",
+    url = "https://github.com/bazelbuild/bazel/archive/968f87900dce45a7af749a965b72dbac51b176b3.zip",
+    strip_prefix = "bazel-968f87900dce45a7af749a965b72dbac51b176b3",
+    sha256 = "e373d2ae24955c1254c495c9c421c009d88966565c35e4e8444c082cb1f0f48f",
+)
+
+
+#
+# Load and install our dependencies downloaded above.
+#
+
+load("@build_bazel_rules_nodejs//:defs.bzl", "check_bazel_version", "node_repositories")
+
+check_bazel_version("0.15.0")
+node_repositories(
+  package_json = ["//:package.json"],
+  preserve_symlinks = True,
+)
+
+load("@io_bazel_rules_go//go:def.bzl", "go_rules_dependencies", "go_register_toolchains")
+
+go_rules_dependencies()
+go_register_toolchains()
+
+load("@io_bazel_rules_webtesting//web:repositories.bzl", "browser_repositories", "web_test_repositories")
+
+web_test_repositories()
+browser_repositories(
+    chromium = True,
+    firefox = True,
+)
+
+load("@build_bazel_rules_typescript//:defs.bzl", "ts_setup_workspace")
+
+ts_setup_workspace()
+
+
+# Add Angular rules
+local_repository(
+  name = "angular",
+  path = "node_modules/@angular/bazel",
+)
+
+# Add rxjs
+local_repository(
+  name = "rxjs",
+  path = "node_modules/rxjs/src",
+)
+
+
+load("@angular//:index.bzl", "ng_setup_workspace")
+
+ng_setup_workspace()

angular.tsconfig.json

@@ -0,0 +1,21 @@
+// WORKAROUND https://github.com/angular/angular/issues/18810
+// This file is required to run ngc on angular libraries, to write files like
+// node_modules/@angular/core/core.ngsummary.json
+{
+  "compilerOptions": {
+    "lib": [
+      "dom",
+      "es2015"
+    ],
+    "experimentalDecorators": true,
+    "types": ["jasmine"]
+  },
+  "include": [
+    "node_modules/@angular/**/*"
+  ],
+  "exclude": [
+    "node_modules/@angular/bazel/**",
+    "node_modules/@angular/compiler-cli/**",
+    "node_modules/@angular/*/testing/**"
+  ]
+}