generate webpack entry points for pages directory automatically

config/webpack.config.js

@@ -3,6 +3,7 @@
 var crypto = require('crypto');
 var fs = require('fs');
 var path = require('path');
+var glob = require('glob');
 var webpack = require('webpack');
 var StatsWriterPlugin = require('webpack-stats-plugin').StatsWriterPlugin;
 var CopyWebpackPlugin = require('copy-webpack-plugin');
@@ -20,6 +21,15 @@ var DEV_SERVER_LIVERELOAD = process.env.DEV_SERVER_LIVERELOAD !== 'false';
 var WEBPACK_REPORT = process.env.WEBPACK_REPORT;
 var NO_COMPRESSION = process.env.NO_COMPRESSION;
 
+// generate automatic entry points
+var autoEntries = {};
+var pageEntries = glob.sync('pages/**/index.js', { cwd: path.join(ROOT_PATH, 'app/assets/javascripts') });
+
+pageEntries.forEach(( path ) => {
+  let chunkName = path.replace(/\/index\.js$/, '').replace(/\//g, '.');
+  autoEntries[chunkName] = './' + path;
+});
+
 var config = {
   // because sqljs requires fs.
   node: {
@@ -301,6 +311,8 @@ var config = {
   }
 }
 
+config.entry = Object.assign({}, autoEntries, config.entry);
+
 if (IS_PRODUCTION) {
   config.devtool = 'source-map';
   config.plugins.push(

package.json

@@ -47,6 +47,7 @@
     "exports-loader": "^0.6.4",
     "file-loader": "^0.11.1",
     "fuzzaldrin-plus": "^0.5.0",
+    "glob": "^7.1.2",
     "imports-loader": "^0.7.1",
     "jed": "^1.1.1",
     "jquery": "^2.2.4",

yarn.lock

@@ -3322,7 +3322,7 @@ glob@^7.0.0, glob@^7.0.3, glob@^7.0.5, glob@^7.1.1:
     once "^1.3.0"
     path-is-absolute "^1.0.0"
 
-glob@^7.1.0, glob@~7.1.2:
+glob@^7.1.0, glob@^7.1.2, glob@~7.1.2:
   version "7.1.2"
   resolved "https://registry.yarnpkg.com/glob/-/glob-7.1.2.tgz#c19c9df9a028702d678612384a6552404c636d15"
   dependencies: