なんかもうめっちゃ変えた

webpack/module/rules/i18n.ts

@@ -3,28 +3,10 @@
  */
 
 const StringReplacePlugin = require('string-replace-webpack-plugin');
+import Replacer from '../../../src/common/build/i18n';
 
-export default (lang, locale) => {
-	function get(key: string) {
-		let text = locale;
-
-		// Check the key existance
-		const error = key.split('.').some(k => {
-			if (text.hasOwnProperty(k)) {
-				text = text[k];
-				return false;
-			} else {
-				return true;
-			}
-		});
-
-		if (error) {
-			console.warn(`key '${key}' not found in '${lang}'`);
-			return key; // Fallback
-		} else {
-			return text;
-		}
-	}
+export default lang => {
+	const replacer = new Replacer(lang);
 
 	return {
 		enforce: 'pre',
@@ -32,14 +14,7 @@ export default (lang, locale) => {
 		exclude: /node_modules/,
 		loader: StringReplacePlugin.replace({
 			replacements: [{
-				pattern: /"%i18n:(.+?)%"/g, replacement: (_, key) =>
-					'"' + get(key).replace(/"/g, '\\"') + '"'
-			}, {
-				pattern: /'%i18n:(.+?)%'/g, replacement: (_, key) =>
-					'\'' + get(key).replace(/'/g, '\\\'') + '\''
-			}, {
-				pattern: /%i18n:(.+?)%/g, replacement: (_, key) =>
-					get(key)
+				pattern: replacer.pattern, replacement: replacer.replacement
 			}]
 		})
 	};