feat(less): new less package

WORKSPACE

@@ -328,6 +328,7 @@ k8s_defaults(
     "karma",
     "karma_stack_trace",
     "karma_typescript",
+    "less",
     "node_loader_no_preserve_symlinks",
     "node_loader_preserve_symlinks",
     "packages",

commitlint.config.js

@@ -14,6 +14,7 @@ module.exports = {
         'jasmine',
         'karma',
         'labs',
+        'less',
         'protractor',
         'stylus',
         'rollup',

docs/BUILD.bazel

@@ -38,6 +38,7 @@ _PACKAGE_READMES = {
     "Built-ins": ":builtins.doc",
     "Jasmine": "//packages/jasmine:README.md",
     "Karma": "//packages/karma:README.md",
+    "Less": "//packages/less:README.md",
     "Protractor": "//packages/protractor:README.md",
     "Stylus": "//packages/stylus:README.md",
     "TypeScript": "//packages/typescript:README.md",

e2e/BUILD.bazel

@@ -39,6 +39,9 @@ E2E_TESTS = {
         "//packages/karma:npm_package": "@bazel/karma",
         "//packages/typescript:npm_package": "@bazel/typescript",
     },
+    "e2e_less": {
+        "//packages/less:npm_package": "@bazel/less",
+    },
     "e2e_node_loader_no_preserve_symlinks": {
     },
     "e2e_node_loader_preserve_symlinks": {

e2e/less/.bazelrc

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

e2e/less/BUILD.bazel

@@ -0,0 +1,31 @@
+load("@build_bazel_rules_nodejs//:defs.bzl", "nodejs_test")
+load("@npm_bazel_less//:index.bzl", "less_binary")
+
+less_binary(
+    name = "styles",
+    src = "test.less",
+)
+
+nodejs_test(
+    name = "test",
+    data = [
+        "golden.css",
+        "test.js",
+        ":styles",
+    ],
+    entry_point = ":test.js",
+)
+
+# For testing from the root workspace of this repository with bazel_integration_test.
+filegroup(
+    name = "all_files",
+    srcs = glob(
+        include = ["**/*"],
+        exclude = [
+            "bazel-out/**/*",
+            "dist/**/*",
+            "node_modules/**/*",
+        ],
+    ),
+    visibility = ["//visibility:public"],
+)

e2e/less/WORKSPACE

@@ -0,0 +1,38 @@
+# Copyright 2018 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 = "e2e_less",
+    managed_directories = {"@npm": ["node_modules"]},
+)
+
+load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
+
+http_archive(
+    name = "build_bazel_rules_nodejs",
+    sha256 = "6625259f9f77ef90d795d20df1d0385d9b3ce63b6619325f702b6358abb4ab33",
+    urls = ["https://github.com/bazelbuild/rules_nodejs/releases/download/0.35.0/rules_nodejs-0.35.0.tar.gz"],
+)
+
+load("@build_bazel_rules_nodejs//:defs.bzl", "yarn_install")
+
+yarn_install(
+    name = "npm",
+    package_json = "//:package.json",
+    yarn_lock = "//:yarn.lock",
+)
+
+load("@npm//:install_bazel_dependencies.bzl", "install_bazel_dependencies")
+
+install_bazel_dependencies()

e2e/less/package.json

@@ -0,0 +1,10 @@
+{
+    "name": "e2e-less",
+    "private": true,
+    "devDependencies": {
+        "@bazel/less": "file:../../dist/bin/packages/less/npm_package"
+    },
+    "scripts": {
+      "test": "bazel test ..."
+    }
+}

e2e/less/test.js

@@ -0,0 +1,7 @@
+const fs = require('fs');
+const expected = fs.readFileSync(require.resolve('e2e_less/golden.css'), 'utf-8');
+const actual = fs.readFileSync(require.resolve('e2e_less/test.css'), 'utf-8');
+if (expected !== actual) {
+  console.error(`FAILED. Expected\n${expected}\n but was\n${actual}`);
+  process.exitCode = 1;
+}

e2e/less/test.less

@@ -0,0 +1,6 @@
+body {
+  font: 14px/1.5 Helvetica, arial, sans-serif;
+  #logo {
+    border-radius: 5px;
+  }
+}