build(bazel): replace yarn_install(name = "npm") with @npm local_reporsitory() to speed up build (#27469)

PR Close #27469

.gitignore

@@ -2,6 +2,7 @@
 
 /dist/
 /bazel-*
+/integration/bazel/bazel-*
 e2e_test.*
 node_modules
 bower_components

WORKSPACE

@@ -64,10 +64,9 @@ node_repositories(
     yarn_version = "1.12.1",
 )
 
-yarn_install(
+local_repository(
     name = "npm",
-    package_json = "//tools:npm/package.json",
+    path = "tools/npm_workspace",
-    yarn_lock = "//tools:npm/yarn.lock",
 )
 
 load("@io_bazel_rules_go//go:def.bzl", "go_rules_dependencies", "go_register_toolchains")

package.json

@@ -36,6 +36,7 @@
     "@angular-devkit/architect": "^0.10.6",
     "@angular-devkit/core": "^7.0.4",
     "@angular-devkit/schematics": "^7.0.4",
+    "@bazel/karma": "0.21.0",
     "@bazel/typescript": "0.21.0",
     "@schematics/angular": "^7.0.4",
     "@types/chokidar": "1.7.3",
@@ -91,7 +92,6 @@
   "devDependencies": {
     "@bazel/bazel": "^0.18.1",
     "@bazel/ibazel": "~0.8.2",
-    "@bazel/karma": "0.21.0",
     "@types/angular": "^1.6.47",
     "@types/base64-js": "1.2.5",
     "@types/jasminewd2": "^2.0.4",

tools/defaults.bzl

@@ -8,6 +8,7 @@ load("//packages/bazel/src:ng_rollup_bundle.bzl", _ng_rollup_bundle = "ng_rollup
 _DEFAULT_TSCONFIG_BUILD = "//packages:tsconfig-build.json"
 _DEFAULT_TSCONFIG_TEST = "//packages:tsconfig-test.json"
 _DEFAULT_TS_TYPINGS = "@ngdeps//typescript:typescript__typings"
+_DEFAULT_KARMA_BIN = "@ngdeps//@bazel/karma/bin:karma"
 _INTERNAL_NG_MODULE_COMPILER = "//packages/bazel/src/ngc-wrapped"
 _INTERNAL_NG_MODULE_XI18N = "//packages/bazel/src/ngc-wrapped:xi18n"
 _INTERNAL_NG_PACKAGER_PACKAGER = "//packages/bazel/src/ng_package:packager"
@@ -131,6 +132,7 @@ def ts_web_test_suite(bootstrap = [], deps = [], **kwargs):
     _ts_web_test_suite(
         bootstrap = bootstrap,
         deps = local_deps,
+        karma = _DEFAULT_KARMA_BIN,
         # Run unit tests on local Chromium by default.
         # You can exclude tests based on tags, e.g. to skip Firefox testing,
         #   `yarn bazel test --test_tag_filters=-browser:firefox-local [targets]`

tools/npm/package.json

@@ -1,14 +0,0 @@
-{
-  "description": "minimal @npm repo required to build @rxjs from source and so that @npm//@angular/bazel is a valid target",
-  "dependencies": {
-    "@angular/bazel": "6.1.9",
-    "@angular/compiler": "6.1.9",
-    "@angular/compiler-cli": "6.1.9",
-    "@bazel/karma": "0.21.0",
-    "@bazel/typescript": "0.21.0",
-    "typescript": "~3.1.1"
-  },
-  "scripts": {
-    "//": "TODO(gregmagolan): figure out how to keep @bazel/karma & @bazel/typescript dependencies here up to date with the root package.json; NOTE: versions of @angular/x don't matter here as they are only require to create the @npm//@angular/bazel target name"
-  }
-}

tools/npm_workspace/@angular/bazel/BUILD.bazel

@@ -0,0 +1,8 @@
+package(default_visibility = ["//visibility:public"])
+
+# Empty filegroup here so that @npm//@angular/bazel is a valid Bazel target
+# for the @angular//:@angular/bazel/ngc-wrapped target
+filegroup(
+    name = "bazel",
+    srcs = [],
+)

tools/npm_workspace/@bazel/typescript/BUILD.bazel

@@ -0,0 +1,8 @@
+package(default_visibility = ["//visibility:public"])
+
+# Alias here so that @npm//@bazel/typescript is a valid Bazel target
+# which is reference in build_bazel_rules_typescript/BUILD.bazel
+alias(
+    name = "typescript",
+    actual = "@ngdeps//@bazel/typescript",
+)

tools/npm_workspace/BUILD.bazel

@@ -0,0 +1 @@
+# Marker file that this directory is a bazel package

tools/npm_workspace/WORKSPACE

@@ -0,0 +1 @@
+workspace(name = "npm")