Merge branch 'winh-jest-gon' into 'master'

Set gon.ee in Jest

Closes #59634

See merge request gitlab-org/gitlab-ce!26713

.eslintignore

@@ -9,5 +9,6 @@
 /scripts/
 /tmp/
 /vendor/
+jest.config.js
 karma.config.js
 webpack.config.js

config/helpers/is_ee_env.js

+const fs = require('fs');
+const path = require('path');
+
+const ROOT_PATH = path.resolve(__dirname, '../..');
+
+module.exports =
+  process.env.EE !== undefined
+    ? JSON.parse(process.env.EE)
+    : fs.existsSync(path.join(ROOT_PATH, 'ee'));

config/webpack.config.js

-const fs = require('fs');
 const path = require('path');
 const glob = require('glob');
 const webpack = require('webpack');
@@ -12,10 +11,7 @@ const ROOT_PATH = path.resolve(__dirname, '..');
 const CACHE_PATH = process.env.WEBPACK_CACHE_PATH || path.join(ROOT_PATH, 'tmp/cache');
 const IS_PRODUCTION = process.env.NODE_ENV === 'production';
 const IS_DEV_SERVER = process.argv.join(' ').indexOf('webpack-dev-server') !== -1;
-const IS_EE =
-  process.env.EE !== undefined
-    ? JSON.parse(process.env.EE)
-    : fs.existsSync(path.join(ROOT_PATH, 'ee'));
+const IS_EE = require('./helpers/is_ee_env');
 const DEV_SERVER_HOST = process.env.DEV_SERVER_HOST || 'localhost';
 const DEV_SERVER_PORT = parseInt(process.env.DEV_SERVER_PORT, 10) || 3808;
 const DEV_SERVER_LIVERELOAD = IS_DEV_SERVER && process.env.DEV_SERVER_LIVERELOAD !== 'false';

jest.config.js

-/* eslint-disable filenames/match-regex */
+const IS_EE = require('./config/helpers/is_ee_env');
 
 const reporters = ['default'];
 
@@ -38,4 +38,7 @@ module.exports = {
   transformIgnorePatterns: ['node_modules/(?!(@gitlab/ui)/)'],
   timers: 'fake',
   testEnvironment: '<rootDir>/spec/frontend/environment.js',
+  testEnvironmentOptions: {
+    IS_EE,
+  },
 };

spec/frontend/environment.js

@@ -6,6 +6,7 @@ const JSDOMEnvironment = require('jest-environment-jsdom');
 class CustomEnvironment extends JSDOMEnvironment {
   constructor(config, context) {
     super(config, context);
+
     Object.assign(context.console, {
       error(...args) {
         throw new ErrorWithStack(
@@ -21,6 +22,11 @@ class CustomEnvironment extends JSDOMEnvironment {
         );
       },
     });
+
+    const { testEnvironmentOptions } = config;
+    this.global.gon = {
+      ee: testEnvironmentOptions.IS_EE,
+    };
   }
 }