Add webpack script/config to analyze bundle size.

Execute `npm run analyze` to open a size map of the production build in the browser.

config/webpack.bundle-analyzer.js

@@ -0,0 +1,11 @@
+const BundleAnalyzerPlugin = require("webpack-bundle-analyzer")
+  .BundleAnalyzerPlugin;
+
+const merge = require("webpack-merge");
+const prod = require("./webpack.prod.js");
+
+const config = merge(prod, {
+  plugins: [new BundleAnalyzerPlugin()]
+});
+
+module.exports = config;

package.json

@@ -11,6 +11,7 @@
     "lint": "eslint .",
     "build": "webpack --config=config/webpack.prod.js",
     "build-library": "webpack --config=config/webpack.library.js",
+    "analyze": "webpack --config=config/webpack.bundle-analyzer.js",
     "prepublishOnly": "npm run build-library",
     "serve": "http-server ./built",
     "start": "webpack-dev-server --config=config/webpack.dev.js",
@@ -101,6 +102,7 @@
     "uglifyjs-webpack-plugin": "^1.2.5",
     "url-loader": "^0.6.2",
     "webpack": "^3.6.0",
+    "webpack-bundle-analyzer": "^2.13.1",
     "webpack-dev-server": "^2.7.1",
     "webpack-merge": "^4.1.2",
     "webpack-pwa-manifest": "^3.6.2",

yarn.lock

@@ -1027,6 +1027,14 @@ bcrypt-pbkdf@^1.0.0:
   dependencies:
     tweetnacl "^0.14.3"
 
+bfj-node4@^5.2.0:
+  version "5.3.1"
+  resolved "https://registry.yarnpkg.com/bfj-node4/-/bfj-node4-5.3.1.tgz#e23d8b27057f1d0214fc561142ad9db998f26830"
+  dependencies:
+    bluebird "^3.5.1"
+    check-types "^7.3.0"
+    tryer "^1.0.0"
+
 big.js@^3.1.3:
   version "3.2.0"
   resolved "https://registry.yarnpkg.com/big.js/-/big.js-3.2.0.tgz#a5fc298b81b9e0dca2e458824784b65c52ba588e"
@@ -1436,6 +1444,10 @@ chardet@^0.4.0:
   version "0.4.2"
   resolved "https://registry.yarnpkg.com/chardet/-/chardet-0.4.2.tgz#b5473b33dc97c424e5d98dc87d55d4d8a29c8bf2"
 
+check-types@^7.3.0:
+  version "7.4.0"
+  resolved "https://registry.yarnpkg.com/check-types/-/check-types-7.4.0.tgz#0378ec1b9616ec71f774931a3c6516fad8c152f4"
+
 cheerio@^1.0.0-rc.2:
   version "1.0.0-rc.2"
   resolved "https://registry.yarnpkg.com/cheerio/-/cheerio-1.0.0-rc.2.tgz#4b9f53a81b27e4d5dac31c0ffd0cfa03cc6830db"
@@ -1643,6 +1655,10 @@ commander@^2.11.0:
   version "2.14.1"
   resolved "https://registry.yarnpkg.com/commander/-/commander-2.14.1.tgz#2235123e37af8ca3c65df45b026dbd357b01b9aa"
 
+commander@^2.13.0:
+  version "2.15.1"
+  resolved "https://registry.yarnpkg.com/commander/-/commander-2.15.1.tgz#df46e867d0fc2aec66a34662b406a9ccafff5b0f"
+
 commander@~2.13.0:
   version "2.13.0"
   resolved "https://registry.yarnpkg.com/commander/-/commander-2.13.0.tgz#6964bca67685df7c1f1430c584f07d7597885b9c"
@@ -2356,6 +2372,10 @@ ee-first@1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/ee-first/-/ee-first-1.1.1.tgz#590c61156b0ae2f4f0255732a158b266bc56b21d"
 
+ejs@^2.5.7:
+  version "2.6.1"
+  resolved "https://registry.yarnpkg.com/ejs/-/ejs-2.6.1.tgz#498ec0d495655abc6f23cd61868d926464071aa0"
+
 electron-to-chromium@^1.2.7, electron-to-chromium@^1.3.30:
   version "1.3.33"
   resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.3.33.tgz#bf00703d62a7c65238136578c352d6c5c042a545"
@@ -3023,6 +3043,10 @@ fileset@^2.0.2:
     glob "^7.0.3"
     minimatch "^3.0.3"
 
+filesize@^3.5.11:
+  version "3.6.1"
+  resolved "https://registry.yarnpkg.com/filesize/-/filesize-3.6.1.tgz#090bb3ee01b6f801a8a8be99d31710b3422bb317"
+
 fill-range@^2.1.0:
   version "2.2.3"
   resolved "https://registry.yarnpkg.com/fill-range/-/fill-range-2.2.3.tgz#50b77dfd7e469bc7492470963699fe7a8485a723"
@@ -3363,7 +3387,7 @@ gzip-size-cli@^2.0.0:
     meow "^3.7.0"
     pretty-bytes "^4.0.2"
 
-gzip-size@^4.0.0:
+gzip-size@^4.0.0, gzip-size@^4.1.0:
   version "4.1.0"
   resolved "https://registry.yarnpkg.com/gzip-size/-/gzip-size-4.1.0.tgz#8ae096257eabe7d69c45be2b67c448124ffb517c"
   dependencies:
@@ -5485,7 +5509,7 @@ onetime@^2.0.0:
   dependencies:
     mimic-fn "^1.0.0"
 
-opener@~1.4.0:
+opener@^1.4.3, opener@~1.4.0:
   version "1.4.3"
   resolved "https://registry.yarnpkg.com/opener/-/opener-1.4.3.tgz#5c6da2c5d7e5831e8ffa3964950f8d6674ac90b8"
 
@@ -7614,6 +7638,10 @@ trim@0.0.1:
   version "0.0.1"
   resolved "https://registry.yarnpkg.com/trim/-/trim-0.0.1.tgz#5858547f6b290757ee95cccc666fb50084c460dd"
 
+tryer@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/tryer/-/tryer-1.0.1.tgz#f2c85406800b9b0f74c9f7465b81eaad241252f8"
+
 tty-browserify@0.0.0:
   version "0.0.0"
   resolved "https://registry.yarnpkg.com/tty-browserify/-/tty-browserify-0.0.0.tgz#a157ba402da24e9bf957f9aa69d524eed42901a6"
@@ -7946,6 +7974,23 @@ webidl-conversions@^4.0.2:
   version "4.0.2"
   resolved "https://registry.yarnpkg.com/webidl-conversions/-/webidl-conversions-4.0.2.tgz#a855980b1f0b6b359ba1d5d9fb39ae941faa63ad"
 
+webpack-bundle-analyzer@^2.13.1:
+  version "2.13.1"
+  resolved "https://registry.yarnpkg.com/webpack-bundle-analyzer/-/webpack-bundle-analyzer-2.13.1.tgz#07d2176c6e86c3cdce4c23e56fae2a7b6b4ad526"
+  dependencies:
+    acorn "^5.3.0"
+    bfj-node4 "^5.2.0"
+    chalk "^2.3.0"
+    commander "^2.13.0"
+    ejs "^2.5.7"
+    express "^4.16.2"
+    filesize "^3.5.11"
+    gzip-size "^4.1.0"
+    lodash "^4.17.4"
+    mkdirp "^0.5.1"
+    opener "^1.4.3"
+    ws "^4.0.0"
+
 webpack-dev-middleware@1.12.2:
   version "1.12.2"
   resolved "https://registry.yarnpkg.com/webpack-dev-middleware/-/webpack-dev-middleware-1.12.2.tgz#f8fc1120ce3b4fc5680ceecb43d777966b21105e"