Add support for source maps in the karma test framework to aid debugging.

web/karma.conf.js

@@ -1,16 +1,26 @@
 // Karma configuration
 const webpackConfig = require('./webpack.test.config.js');
 const isDocker = require('is-docker')();
+const webpack = require('webpack');
 
 module.exports = function (config) {
   config.set({
-    frameworks: ['jasmine'],
+    frameworks: ['jasmine', 'source-map-support'],
     reporters: ['progress', 'kjhtml'],
     plugins: [
       'karma-webpack',
       'karma-chrome-launcher',
       'karma-jasmine',
       'karma-jasmine-html-reporter',
+      'karma-source-map-support',
+      'karma-sourcemap-loader',
+      new webpack.SourceMapDevToolPlugin({
+        /*
+         * filename: null, // if no value is provided the sourcemap is inlined
+         */
+        filename: '[name].js.map',
+        test: /\.jsx?$/i, // process .js and .jsx files only
+      }),
     ],
     files: [
       'pgadmin/static/bundle/slickgrid.js',
@@ -29,9 +39,10 @@ module.exports = function (config) {
     // preprocess matching files before serving them to the browser
     // available preprocessors: https://npmjs.org/browse/keyword/karma-preprocessor
     preprocessors: {
-      'regression/javascript/**/*.js': ['webpack'],
-      'regression/javascript/**/*.jsx': ['webpack'],
-      'pgadmin/static/bundle/slickgrid.js': ['webpack'],
+      'pgadmin/**/js/**/*.js[x]?': ['sourcemap'],
+      'regression/javascript/**/*.js': ['webpack', 'sourcemap'],
+      'regression/javascript/**/*.jsx': ['webpack', 'sourcemap'],
+      'pgadmin/static/bundle/slickgrid.js': ['webpack', 'sourcemap'],
     },
 
     webpack: webpackConfig,

web/package.json

@@ -27,6 +27,8 @@
     "karma-jasmine": "~1.1.1",
     "karma-jasmine-html-reporter": "^0.2.2",
     "karma-requirejs": "~1.1.0",
+    "karma-source-map-support": "^1.3.0",
+    "karma-sourcemap-loader": "^0.3.7",
     "karma-webpack": "~2.0.13",
     "node-sass": "^4.5.3",
     "optimize-css-assets-webpack-plugin": "^2.0.0",

web/webpack.test.config.js

@@ -7,6 +7,7 @@ const nodeModulesDir = path.resolve(__dirname, 'node_modules');
 const regressionDir = path.resolve(__dirname, 'regression');
 
 module.exports = {
+  devtool: 'inline-source-map',
   plugins: [
     new webpack.ProvidePlugin({
       jQuery: 'jquery',

web/yarn.lock

@@ -5485,6 +5485,18 @@ karma-requirejs@~1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/karma-requirejs/-/karma-requirejs-1.1.0.tgz#fddae2cb87d7ebc16fb0222893564d7fee578798"
 
+karma-source-map-support@^1.3.0:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/karma-source-map-support/-/karma-source-map-support-1.3.0.tgz#36dd4d8ca154b62ace95696236fae37caf0a7dde"
+  dependencies:
+    source-map-support "^0.5.5"
+
+karma-sourcemap-loader@^0.3.7:
+  version "0.3.7"
+  resolved "https://registry.yarnpkg.com/karma-sourcemap-loader/-/karma-sourcemap-loader-0.3.7.tgz#91322c77f8f13d46fed062b042e1009d4c4505d8"
+  dependencies:
+    graceful-fs "^4.1.2"
+
 karma-webpack@~2.0.13:
   version "2.0.13"
   resolved "https://registry.yarnpkg.com/karma-webpack/-/karma-webpack-2.0.13.tgz#cf56e3056c15b7747a0bb2140fc9a6be41dd9f02"
@@ -8495,6 +8507,13 @@ source-map-support@^0.4.15:
   dependencies:
     source-map "^0.5.6"
 
+source-map-support@^0.5.5:
+  version "0.5.6"
+  resolved "https://registry.yarnpkg.com/source-map-support/-/source-map-support-0.5.6.tgz#4435cee46b1aab62b8e8610ce60f788091c51c13"
+  dependencies:
+    buffer-from "^1.0.0"
+    source-map "^0.6.0"
+
 source-map-url@^0.4.0:
   version "0.4.0"
   resolved "https://registry.yarnpkg.com/source-map-url/-/source-map-url-0.4.0.tgz#3e935d7ddd73631b97659956d55128e87b5084a3"
@@ -8509,7 +8528,7 @@ source-map@0.5.x, source-map@^0.5.0, source-map@^0.5.3, source-map@^0.5.6, sourc
   version "0.5.7"
   resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.5.7.tgz#8a039d2d1021d22d1ea14c80d8ea468ba2ef3fcc"
 
-source-map@^0.6.1, source-map@~0.6.1:
+source-map@^0.6.0, source-map@^0.6.1, source-map@~0.6.1:
   version "0.6.1"
   resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.6.1.tgz#74722af32e9614e9c287a8d0bbde48b5e2f1a263"