Better themeing support!!

config/webpack/configuration.js

@@ -1,13 +1,27 @@
 // Common configuration for webpacker loaded from config/webpacker.yml
 
-const { join, resolve } = require('path');
+const { dirname, join, resolve } = require('path');
 const { env } = require('process');
 const { safeLoad } = require('js-yaml');
 const { readFileSync } = require('fs');
+const glob = require('glob');
 
 const configPath = resolve('config', 'webpacker.yml');
 const loadersDir = join(__dirname, 'loaders');
 const settings = safeLoad(readFileSync(configPath), 'utf8')[env.NODE_ENV];
+const themeFiles = glob.sync('app/javascript/themes/*/theme.yml');
+const themes = {};
+
+for (let i = 0; i < themeFiles.length; i++) {
+  const themeFile = themeFiles[i];
+  const data = safeLoad(readFileSync(themeFile), 'utf8');
+  if (!data.pack_directory) {
+    data.pack_directory = dirname(themeFile);
+  }
+  if (data.name && data.pack) {
+    themes[data.name] = data;
+  }
+}
 
 function removeOuterSlashes(string) {
   return string.replace(/^\/*/, '').replace(/\/*$/, '');
@@ -29,6 +43,7 @@ const output = {
 
 module.exports = {
   settings,
+  themes,
   env,
   loadersDir,
   output,