Add production source maps (#776)

* WIP adding source map configuration

* Darn it, sometimes CircleCI container does NOT have yarn!

package.json

@@ -76,7 +76,6 @@
     "jest-junit-reporter": "^1.0.1",
     "json-loader": "0.5.4",
     "lockfile": "^1.0.2",
-    "manifest-assets-webpack-plugin": "^4.0.0",
     "mockdate": "^2.0.1",
     "piping": "^1.0.0-rc.4",
     "pre-commit": "^1.1.3",
@@ -100,6 +99,7 @@
     "@segment/snippet": "^4.0.1",
     "analytics-node": "^2.1.1",
     "aphrodite-local-styles": "0.6.2",
+    "assets-webpack-plugin": "^3.5.1",
     "auth0": "^2.5.0",
     "auth0-lock": "^9.2.2",
     "aws-sdk": "^2.7.19",

webpack/webpack.config.prod.js

@@ -1,6 +1,6 @@
 import path from 'path';
 import webpack from 'webpack';
-import AssetsPlugin from 'manifest-assets-webpack-plugin';
+import AssetsPlugin from 'assets-webpack-plugin';
 import WebpackShellPlugin from 'webpack-shell-plugin';
 import S3Plugin from 'webpack-s3-plugin';
 import {getDotenv} from '../src/universal/utils/dotenv';
@@ -32,7 +32,11 @@ const prefetchPlugins = prefetches.map(specifier => new webpack.PrefetchPlugin(s
 
 const deployPlugins = [];
 if (process.env.WEBPACK_MIN) {
-  deployPlugins.push(new webpack.optimize.UglifyJsPlugin({compressor: {warnings: false}, comments: /(?:)/}));
+  deployPlugins.push(new webpack.optimize.UglifyJsPlugin({
+    compressor: {warnings: false},
+    comments: /(?:)/,
+    sourceMap: true
+  }));
   deployPlugins.push(new webpack.LoaderOptionsPlugin({comments: false}));
 }
 if (process.env.WEBPACK_DEPLOY) {
@@ -97,6 +101,7 @@ export default {
       ]
     })
   ],
+  devtool: 'source-map',
   module: {
     loaders: [
       {test: /\.json$/, loader: 'json-loader'},

yarn.lock

@@ -281,6 +281,16 @@ assertion-error@^1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/assertion-error/-/assertion-error-1.0.2.tgz#13ca515d86206da0bac66e834dd397d87581094c"
 
+assets-webpack-plugin@^3.5.1:
+  version "3.5.1"
+  resolved "https://registry.yarnpkg.com/assets-webpack-plugin/-/assets-webpack-plugin-3.5.1.tgz#931ce0d66d42e88ed5e7f18d65522943c57a387d"
+  dependencies:
+    camelcase "^1.2.1"
+    escape-string-regexp "^1.0.3"
+    lodash.assign "^3.2.0"
+    lodash.merge "^3.3.2"
+    mkdirp "^0.5.1"
+
 ast-traverse@~0.1.1:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/ast-traverse/-/ast-traverse-0.1.1.tgz#69cf2b8386f19dcda1bb1e05d68fe359d8897de6"
@@ -4313,14 +4323,10 @@ lodash@4.12.0:
   version "4.12.0"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.12.0.tgz#2bd6dc46a040f59e686c972ed21d93dc59053258"
 
-lodash@^3.10.1:
+lodash@^3.10.1, lodash@^3.5.0:
   version "3.10.1"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-3.10.1.tgz#5bf45e8e49ba4189e17d482789dfd15bd140b7b6"
 
-lodash@^3.5.0, lodash@~3.5.0:
-  version "3.5.0"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-3.5.0.tgz#19bb3f4d51278f0b8c818ed145c74ecf9fe40e6d"
-
 lodash@^4.0.0, lodash@^4.12.0, lodash@^4.13.0, lodash@^4.14.0, lodash@^4.17.3, lodash@^4.2.0, lodash@^4.2.1, lodash@^4.3.0, lodash@^4.5.1, lodash@^4.6.1, lodash@^4.8.0, lodash@~4.17.2:
   version "4.17.4"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.4.tgz#78203a4d1c328ae1d86dca6460e369b57f4055ae"
@@ -4329,6 +4335,10 @@ lodash@~2.4.1:
   version "2.4.2"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-2.4.2.tgz#fadd834b9683073da179b3eae6d9c0d15053f73e"
 
+lodash@~3.5.0:
+  version "3.5.0"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-3.5.0.tgz#19bb3f4d51278f0b8c818ed145c74ecf9fe40e6d"
+
 longest@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/longest/-/longest-1.0.1.tgz#30a0b2da38f73770e8294a0d22e6625ed77d0097"
@@ -4398,16 +4408,6 @@ makeerror@1.0.x:
   dependencies:
     tmpl "1.0.x"
 
-manifest-assets-webpack-plugin@^4.0.0:
-  version "4.0.0"
-  resolved "https://registry.yarnpkg.com/manifest-assets-webpack-plugin/-/manifest-assets-webpack-plugin-4.0.0.tgz#79bd8ee7379c60d241556ffc4d2be73480247b93"
-  dependencies:
-    camelcase "^1.2.1"
-    escape-string-regexp "^1.0.3"
-    lodash.assign "^3.2.0"
-    lodash.merge "^3.3.2"
-    mkdirp "^0.5.1"
-
 map-obj@^1.0.0, map-obj@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/map-obj/-/map-obj-1.0.1.tgz#d933ceb9205d82bdcf4886f6742bdc2b4dea146d"