feat(examples): add closure compiler example

examples/BUILD.bazel

@@ -58,6 +58,10 @@ example_integration_test(
     },
 )
 
+example_integration_test(
+    name = "examples_closure",
+)
+
 example_integration_test(
     name = "examples_parcel",
     npm_packages = {

examples/closure/.bazelignore

@@ -0,0 +1 @@
+node_modules

examples/closure/.bazelrc

@@ -0,0 +1 @@
+import %workspace%/../../common.bazelrc

examples/closure/BUILD.bazel

@@ -0,0 +1,28 @@
+load("@build_bazel_rules_nodejs//:index.bzl", "nodejs_test")
+load("@npm//google-closure-compiler:index.bzl", "google_closure_compiler")
+
+google_closure_compiler(
+    name = "closure",
+    outs = ["bundle.js"],
+    args = [
+        # workaround https://github.com/google/closure-compiler-npm/issues/147
+        # --platform native would be faster but is failing on Windows
+        "--platform=javascript",
+        "--js=$(location hello.js)",
+        "--js_output_file=$(location bundle.js)",
+    ],
+    data = ["hello.js"],
+)
+
+nodejs_test(
+    name = "test",
+    data = ["bundle.js"],
+    entry_point = "test.js",
+)
+
+# For testing from the root workspace of this repository with bazel_integration_test.
+filegroup(
+    name = "all_files",
+    srcs = glob(["*"]),
+    visibility = ["//visibility:public"],
+)

examples/closure/WORKSPACE

@@ -0,0 +1,34 @@
+# Copyright 2019 The Bazel Authors. All rights reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+workspace(
+    name = "examples_closure",
+    managed_directories = {"@npm": ["node_modules"]},
+)
+
+load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
+
+http_archive(
+    name = "build_bazel_rules_nodejs",
+    sha256 = "1249a60f88e4c0a46d78de06be04d3d41e7421dcfa0c956de65309a7b7ecf6f4",
+    urls = ["https://github.com/bazelbuild/rules_nodejs/releases/download/0.38.0/rules_nodejs-0.38.0.tar.gz"],
+)
+
+load("@build_bazel_rules_nodejs//:index.bzl", "yarn_install")
+
+yarn_install(
+    name = "npm",
+    package_json = "//:package.json",
+    yarn_lock = "//:yarn.lock",
+)

examples/closure/hello.js

@@ -0,0 +1,4 @@
+function hello(name) {
+  alert('Hello, ' + name);
+}
+hello('New user');

examples/closure/package.json

@@ -0,0 +1,6 @@
+{
+    "private": true,
+    "dependencies": {
+        "google-closure-compiler": "20190729.0.0"
+    }
+}

examples/closure/test.js

@@ -0,0 +1,25 @@
+const {runfiles} = require('build_bazel_rules_nodejs/internal/linker');
+
+const closureOutput = runfiles.resolve('examples_closure/bundle.js');
+
+// Assert that it's minified
+require('fs').readFile(closureOutput, 'utf-8', (err, content) => {
+  if (content.trim().split(/\r?\n/).length > 1) {
+    console.error('Bundle is more than one line');
+    console.error(content);
+    process.exitCode = 1;
+  }
+});
+
+// Assert that the code works
+let alerted;
+global.alert = function(s) {
+  alerted = s;
+};
+
+require(closureOutput);
+const expected = 'Hello, New user';
+if (alerted !== expected) {
+  console.error(`expected alert ${expected} but was ${alerted}`);
+  process.exitCode = 1;
+}

examples/closure/yarn.lock

@@ -0,0 +1,202 @@
+# THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
+# yarn lockfile v1
+
+
+ansi-styles@^3.2.1:
+  version "3.2.1"
+  resolved "https://registry.yarnpkg.com/ansi-styles/-/ansi-styles-3.2.1.tgz#41fbb20243e50b12be0f04b8dedbf07520ce841d"
+  integrity sha512-VT0ZI6kZRdTh8YyJw3SMbYm/u+NqfsAxEpWO0Pf9sq8/e94WxxOpPKx9FR1FlyCtOVDNOQ+8ntlqFxiRc+r5qA==
+  dependencies:
+    color-convert "^1.9.0"
+
+[email protected]:
+  version "2.4.2"
+  resolved "https://registry.yarnpkg.com/chalk/-/chalk-2.4.2.tgz#cd42541677a54333cf541a49108c1432b44c9424"
+  integrity sha512-Mti+f9lpJNcwF4tWV8/OrTTtF1gZi+f8FqlyAdouralcFWFQWF2+NgCHShjkCb+IFBLq9buZwE1xckQU4peSuQ==
+  dependencies:
+    ansi-styles "^3.2.1"
+    escape-string-regexp "^1.0.5"
+    supports-color "^5.3.0"
+
+clone-buffer@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/clone-buffer/-/clone-buffer-1.0.0.tgz#e3e25b207ac4e701af721e2cb5a16792cac3dc58"
+  integrity sha1-4+JbIHrE5wGvch4staFnksrD3Fg=
+
+clone-stats@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/clone-stats/-/clone-stats-1.0.0.tgz#b3782dff8bb5474e18b9b6bf0fdfe782f8777680"
+  integrity sha1-s3gt/4u1R04Yuba/D9/ngvh3doA=
+
+clone@^2.1.1:
+  version "2.1.2"
+  resolved "https://registry.yarnpkg.com/clone/-/clone-2.1.2.tgz#1b7f4b9f591f1e8f83670401600345a02887435f"
+  integrity sha1-G39Ln1kfHo+DZwQBYANFoCiHQ18=
+
+cloneable-readable@^1.0.0:
+  version "1.1.3"
+  resolved "https://registry.yarnpkg.com/cloneable-readable/-/cloneable-readable-1.1.3.tgz#120a00cb053bfb63a222e709f9683ea2e11d8cec"
+  integrity sha512-2EF8zTQOxYq70Y4XKtorQupqF0m49MBz2/yf5Bj+MHjvpG3Hy7sImifnqD6UA+TKYxeSV+u6qqQPawN5UvnpKQ==
+  dependencies:
+    inherits "^2.0.1"
+    process-nextick-args "^2.0.0"
+    readable-stream "^2.3.5"
+
+color-convert@^1.9.0:
+  version "1.9.3"
+  resolved "https://registry.yarnpkg.com/color-convert/-/color-convert-1.9.3.tgz#bb71850690e1f136567de629d2d5471deda4c1e8"
+  integrity sha512-QfAUtd+vFdAtFQcC8CCyYt1fYWxSqAiK2cSD6zDB8N3cpsEBAvRxp9zOGg6G/SHHJYAT88/az/IuDGALsNVbGg==
+  dependencies:
+    color-name "1.1.3"
+
+[email protected]:
+  version "1.1.3"
+  resolved "https://registry.yarnpkg.com/color-name/-/color-name-1.1.3.tgz#a7d0558bd89c42f795dd42328f740831ca53bc25"
+  integrity sha1-p9BVi9icQveV3UIyj3QIMcpTvCU=
+
+core-util-is@~1.0.0:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/core-util-is/-/core-util-is-1.0.2.tgz#b5fd54220aa2bc5ab57aab7140c940754503c1a7"
+  integrity sha1-tf1UIgqivFq1eqtxQMlAdUUDwac=
+
+escape-string-regexp@^1.0.5:
+  version "1.0.5"
+  resolved "https://registry.yarnpkg.com/escape-string-regexp/-/escape-string-regexp-1.0.5.tgz#1b61c0562190a8dff6ae3bb2cf0200ca130b86d4"
+  integrity sha1-G2HAViGQqN/2rjuyzwIAyhMLhtQ=
+
+google-closure-compiler-java@^20190729.0.0:
+  version "20190729.0.0"
+  resolved "https://registry.yarnpkg.com/google-closure-compiler-java/-/google-closure-compiler-java-20190729.0.0.tgz#e531ead3f0e0fb7bad207fdae1fc686011e891de"
+  integrity sha512-SGStZiyasN31tlmKUMMzCNRXTZqeij5N7iEeHSIGOsUdlKw5Zj8VPbaqbCcHvfgpQaUbn29zCTgTYiYFJRkbwA==
+
+google-closure-compiler-js@^20190729.0.0:
+  version "20190729.0.0"
+  resolved "https://registry.yarnpkg.com/google-closure-compiler-js/-/google-closure-compiler-js-20190729.0.0.tgz#96e27f29f98e45aae9288b9a696ef8e30e846e51"
+  integrity sha512-ZDJRK3eiNfKLsO1+uVxHnvB8RTQMLHlJNKouMBcPzPNOAurEFRboHf5nx/0llO+MXVWZDIPhxpbuuD3WnQsprA==
+
+google-closure-compiler-linux@^20190729.0.0:
+  version "20190729.0.0"
+  resolved "https://registry.yarnpkg.com/google-closure-compiler-linux/-/google-closure-compiler-linux-20190729.0.0.tgz#74c2f0386295d2c8bd8ec27d0ace315224caf733"
+  integrity sha512-W4TRrQ1+FrCFu3yn4M0JTWTJCFsqLlBjkliB/xLFuWb5E7XQ8Xe/sPtkmeNzCo+ftd6B/KD7acaH2oMU0brMag==
+
+google-closure-compiler-osx@^20190729.0.0:
+  version "20190729.0.0"
+  resolved "https://registry.yarnpkg.com/google-closure-compiler-osx/-/google-closure-compiler-osx-20190729.0.0.tgz#586bd4e4335f21c8e8e7328902f45d7655c39283"
+  integrity sha512-g3mLUVFD85nRwVyl8X6ywZ14YFP6fo+kXdIvrBGxxUkUU8VbeIgr6GlgtAUS0eZ0WVs2hr5w6kjk7+5kyeBSJg==
+
+google-closure-compiler-windows@^20190729.0.0:
+  version "20190729.0.0"
+  resolved "https://registry.yarnpkg.com/google-closure-compiler-windows/-/google-closure-compiler-windows-20190729.0.0.tgz#f6b7b8f86c19ea86f4a82cf4d4706841155708c3"
+  integrity sha512-tzFfu2ixOoAWJUcCsagNFE4o0xHV+LI4cD3AmI36ll2e0NW1aUjDPhiG5TSfAnMIvZwgkikG5tqnPnk8ljauAA==
+
+[email protected]:
+  version "20190729.0.0"
+  resolved "https://registry.yarnpkg.com/google-closure-compiler/-/google-closure-compiler-20190729.0.0.tgz#9f822f2e5e59478be5345c6f464709f9b5087b24"
+  integrity sha512-z+egAPJmOkEgop6ZUjrE+bIOKqbKdx57J+SAGVgq9DAQnr3yVxQ+h9b8PSLcpgzMw/Y0rMCHpM3HkCTE2Y1ePQ==
+  dependencies:
+    chalk "2.x"
+    google-closure-compiler-java "^20190729.0.0"
+    google-closure-compiler-js "^20190729.0.0"
+    minimist "1.x"
+    vinyl "2.x"
+    vinyl-sourcemaps-apply "^0.2.0"
+  optionalDependencies:
+    google-closure-compiler-linux "^20190729.0.0"
+    google-closure-compiler-osx "^20190729.0.0"
+    google-closure-compiler-windows "^20190729.0.0"
+
+has-flag@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/has-flag/-/has-flag-3.0.0.tgz#b5d454dc2199ae225699f3467e5a07f3b955bafd"
+  integrity sha1-tdRU3CGZriJWmfNGfloH87lVuv0=
+
+inherits@^2.0.1, inherits@~2.0.3:
+  version "2.0.4"
+  resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.4.tgz#0fa2c64f932917c3433a0ded55363aae37416b7c"
+  integrity sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==
+
+isarray@~1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/isarray/-/isarray-1.0.0.tgz#bb935d48582cba168c06834957a54a3e07124f11"
+  integrity sha1-u5NdSFgsuhaMBoNJV6VKPgcSTxE=
+
+[email protected]:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.0.tgz#a35008b20f41383eec1fb914f4cd5df79a264284"
+  integrity sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=
+
+process-nextick-args@^2.0.0, process-nextick-args@~2.0.0:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/process-nextick-args/-/process-nextick-args-2.0.1.tgz#7820d9b16120cc55ca9ae7792680ae7dba6d7fe2"
+  integrity sha512-3ouUOpQhtgrbOa17J7+uxOTpITYWaGP7/AhoR3+A+/1e9skrzelGi/dXzEYyvbxubEF6Wn2ypscTKiKJFFn1ag==
+
+readable-stream@^2.3.5:
+  version "2.3.6"
+  resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-2.3.6.tgz#b11c27d88b8ff1fbe070643cf94b0c79ae1b0aaf"
+  integrity sha512-tQtKA9WIAhBF3+VLAseyMqZeBjW0AHJoxOtYqSUZNJxauErmLbVm2FW1y+J/YA9dUrAC39ITejlZWhVIwawkKw==
+  dependencies:
+    core-util-is "~1.0.0"
+    inherits "~2.0.3"
+    isarray "~1.0.0"
+    process-nextick-args "~2.0.0"
+    safe-buffer "~5.1.1"
+    string_decoder "~1.1.1"
+    util-deprecate "~1.0.1"
+
+remove-trailing-separator@^1.0.1:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/remove-trailing-separator/-/remove-trailing-separator-1.1.0.tgz#c24bce2a283adad5bc3f58e0d48249b92379d8ef"
+  integrity sha1-wkvOKig62tW8P1jg1IJJuSN52O8=
+
+replace-ext@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/replace-ext/-/replace-ext-1.0.0.tgz#de63128373fcbf7c3ccfa4de5a480c45a67958eb"
+  integrity sha1-3mMSg3P8v3w8z6TeWkgMRaZ5WOs=
+
+safe-buffer@~5.1.0, safe-buffer@~5.1.1:
+  version "5.1.2"
+  resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.1.2.tgz#991ec69d296e0313747d59bdfd2b745c35f8828d"
+  integrity sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g==
+
+source-map@^0.5.1:
+  version "0.5.7"
+  resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.5.7.tgz#8a039d2d1021d22d1ea14c80d8ea468ba2ef3fcc"
+  integrity sha1-igOdLRAh0i0eoUyA2OpGi6LvP8w=
+
+string_decoder@~1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/string_decoder/-/string_decoder-1.1.1.tgz#9cf1611ba62685d7030ae9e4ba34149c3af03fc8"
+  integrity sha512-n/ShnvDi6FHbbVfviro+WojiFzv+s8MPMHBczVePfUpDJLwoLT0ht1l4YwBCbi8pJAveEEdnkHyPyTP/mzRfwg==
+  dependencies:
+    safe-buffer "~5.1.0"
+
+supports-color@^5.3.0:
+  version "5.5.0"
+  resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-5.5.0.tgz#e2e69a44ac8772f78a1ec0b35b689df6530efc8f"
+  integrity sha512-QjVjwdXIt408MIiAqCX4oUKsgU2EqAGzs2Ppkm4aQYbjm+ZEWEcW4SfFNTr4uMNZma0ey4f5lgLrkB0aX0QMow==
+  dependencies:
+    has-flag "^3.0.0"
+
+util-deprecate@~1.0.1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/util-deprecate/-/util-deprecate-1.0.2.tgz#450d4dc9fa70de732762fbd2d4a28981419a0ccf"
+  integrity sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8=
+
+vinyl-sourcemaps-apply@^0.2.0:
+  version "0.2.1"
+  resolved "https://registry.yarnpkg.com/vinyl-sourcemaps-apply/-/vinyl-sourcemaps-apply-0.2.1.tgz#ab6549d61d172c2b1b87be5c508d239c8ef87705"
+  integrity sha1-q2VJ1h0XLCsbh75cUI0jnI74dwU=
+  dependencies:
+    source-map "^0.5.1"
+
+[email protected]:
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/vinyl/-/vinyl-2.2.0.tgz#d85b07da96e458d25b2ffe19fece9f2caa13ed86"
+  integrity sha512-MBH+yP0kC/GQ5GwBqrTPTzEfiiLjta7hTtvQtbxBgTeSXsmKQRQecjibMbxIXzVT3Y9KJK+drOz1/k+vsu8Nkg==
+  dependencies:
+    clone "^2.1.1"
+    clone-buffer "^1.0.0"
+    clone-stats "^1.0.0"
+    cloneable-readable "^1.0.0"
+    remove-trailing-separator "^1.0.1"
+    replace-ext "^1.0.0"

examples/index.bzl

@@ -2,6 +2,7 @@
 ALL_EXAMPLES = [
     "angular",
     "app",
+    "closure",
     "kotlin",
     "nestjs",
     "parcel",

package.json

@@ -28,6 +28,7 @@
         "conventional-changelog-cli": "^2.0.21",
         "core-util-is": "^1.0.2",
         "date-fns": "1.30.1",
+        "google-closure-compiler": "^20190929.0.0",
         "hello": "file:./tools/npm_packages/hello",
         "history-server": "^1.3.1",
         "http-server": "^0.11.1",