Remove babel-plugin-transform-define dependency

.babelrc

@@ -28,12 +28,6 @@
             "exclude": ["spec/javascripts/**/*", "app/assets/javascripts/locale/**/app.js"]
           }
         ],
-        [
-          "babel-plugin-transform-define",
-          {
-            "process.env.BABEL_ENV": "coverage"
-          }
-        ],
         "babel-plugin-rewire"
       ]
     }

config/karma.config.js

@@ -6,7 +6,6 @@ const argumentsParser = require('commander');
 const webpackConfig = require('./webpack.config.js');
 
 const ROOT_PATH = path.resolve(__dirname, '..');
-const GENERATE_COVERAGE_REPORT = process.env.BABEL_ENV === 'coverage' || process.env.NODE_ENV === 'coverage';
 
 function fatalError(message) {
   console.error(chalk.red(`\nError: ${message}\n`));
@@ -24,7 +23,11 @@ webpackConfig.optimization.splitChunks = false;
 webpackConfig.devtool = 'cheap-inline-source-map';
 
 webpackConfig.plugins.push(
-  new webpack.DefinePlugin({ GENERATE_COVERAGE_REPORT }),
+  new webpack.DefinePlugin({
+    'process.env': {
+      BABEL_ENV: JSON.stringify(process.env.BABEL_ENV || process.env.NODE_ENV || null),
+    },
+  })
 );
 
 const specFilters = argumentsParser
@@ -89,7 +92,7 @@ module.exports = function(config) {
     basePath: ROOT_PATH,
     browsers: ['ChromeHeadlessCustom'],
     client: {
-      color: !process.env.CI
+      color: !process.env.CI,
     },
     customLaunchers: {
       ChromeHeadlessCustom: {
@@ -123,7 +126,7 @@ module.exports = function(config) {
     };
   }
 
-  if (GENERATE_COVERAGE_REPORT) {
+  if (process.env.BABEL_ENV === 'coverage' || process.env.NODE_ENV === 'coverage') {
     karmaConfig.reporters.push('coverage-istanbul');
     karmaConfig.coverageIstanbulReporter = {
       reports: ['html', 'text-summary'],

package.json

@@ -29,7 +29,6 @@
     "autosize": "^4.0.0",
     "axios": "^0.17.1",
     "babel-loader": "^8.0.4",
-    "babel-plugin-transform-define": "^1.3.0",
     "blackst0ne-mermaid": "^7.1.0-fixed",
     "bootstrap": "4.1.1",
     "brace-expansion": "^1.1.8",

spec/javascripts/test_bundle.js

@@ -155,7 +155,7 @@ describe('test errors', () => {
 // if we're generating coverage reports, make sure to include all files so
 // that we can catch files with 0% coverage
 // see: https://github.com/deepsweet/istanbul-instrumenter-loader/issues/15
-if (GENERATE_COVERAGE_REPORT) { // eslint-disable-line no-undef
+if (process.env.BABEL_ENV === 'coverage') {
   // exempt these files from the coverage report
   const troubleMakers = [
     './blob_edit/blob_bundle.js',

yarn.lock

@@ -1055,13 +1055,6 @@ babel-plugin-rewire@^1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/babel-plugin-rewire/-/babel-plugin-rewire-1.2.0.tgz#822562d72ed2c84e47c0f95ee232c920853e9d89"
 
-babel-plugin-transform-define@^1.3.0:
-  version "1.3.0"
-  resolved "https://registry.yarnpkg.com/babel-plugin-transform-define/-/babel-plugin-transform-define-1.3.0.tgz#94c5f9459c810c738cc7c50cbd44a31829d6f319"
-  dependencies:
-    lodash "4.17.4"
-    traverse "0.6.6"
-
 babel-polyfill@6.23.0:
   version "6.23.0"
   resolved "https://registry.yarnpkg.com/babel-polyfill/-/babel-polyfill-6.23.0.tgz#8364ca62df8eafb830499f699177466c3b03499d"
@@ -4461,10 +4454,6 @@ lodash.upperfirst@4.3.1:
   version "4.3.1"
   resolved "https://registry.yarnpkg.com/lodash.upperfirst/-/lodash.upperfirst-4.3.1.tgz#1365edf431480481ef0d1c68957a5ed99d49f7ce"
 
-lodash@4.17.4:
-  version "4.17.4"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.4.tgz#78203a4d1c328ae1d86dca6460e369b57f4055ae"
-
 lodash@^4.11.1, lodash@^4.17.10, lodash@^4.17.4, lodash@^4.17.5, lodash@^4.3.0, lodash@^4.5.0:
   version "4.17.11"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.11.tgz#b39ea6229ef607ecd89e2c8df12536891cac9b8d"
@@ -6643,10 +6632,6 @@ touch@^3.1.0:
   dependencies:
     nopt "~1.0.10"
 
-traverse@0.6.6:
-  version "0.6.6"
-  resolved "https://registry.yarnpkg.com/traverse/-/traverse-0.6.6.tgz#cbdf560fd7b9af632502fed40f918c157ea97137"
-
 trim-right@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/trim-right/-/trim-right-1.0.1.tgz#cb2e1203067e0c8de1f614094b9fe45704ea6003"