removed shared util

Author: barak007

src/index.js

@@ -3,7 +3,7 @@
 import { validate } from 'schema-utils';
 
 import schema from './plugin-options.json';
-import { shared, MODULE_TYPE, compareModulesByIdentifier } from './utils';
+import { MODULE_TYPE, compareModulesByIdentifier } from './utils';
 
 const pluginName = 'mini-css-extract-plugin';
 
@@ -381,16 +381,8 @@ class MiniCssExtractPlugin {
       }
     }
 
-    // initializeCssDependency
-    // eslint-disable-next-line no-shadow
-    const { CssModule, CssDependency } = shared(webpack, (webpack) => {
-      // eslint-disable-next-line no-shadow
-      const CssModule = MiniCssExtractPlugin.getCssModule(webpack);
-      // eslint-disable-next-line no-shadow
-      const CssDependency = MiniCssExtractPlugin.getCssDependency(webpack);
-
-      return { CssModule, CssDependency };
-    });
+    const CssModule = MiniCssExtractPlugin.getCssModule(webpack);
+    const CssDependency = MiniCssExtractPlugin.getCssDependency(webpack);
 
     compiler.hooks.thisCompilation.tap(pluginName, (compilation) => {
       class CssModuleFactory {

src/loader.js

@@ -3,9 +3,11 @@ import path from 'path';
 import loaderUtils from 'loader-utils';
 import { validate } from 'schema-utils';
 
-import { shared, findModuleById, evalModuleCode } from './utils';
+import { findModuleById, evalModuleCode } from './utils';
 import schema from './loader-options.json';
 
+import MiniCssExtractPlugin from './index';
+
 const pluginName = 'mini-css-extract-plugin';
 
 function hotLoader(content, context) {
@@ -199,9 +201,7 @@ export function pitch(request) {
         }
 
         const count = identifierCountMap.get(dependency.identifier) || 0;
-        const { CssDependency } = shared(webpack, () => {
-          return {};
-        });
+        const { CssDependency } = MiniCssExtractPlugin.getCssDependency(webpack)
 
         if (!CssDependency) {
           throw new Error(

src/utils.js

@@ -49,26 +49,7 @@ function compareModulesByIdentifier(a, b) {
   return compareIds(a.identifier(), b.identifier());
 }
 
-const initializeCache = new WeakMap();
-
-function shared(webpack, initializer) {
-  const cacheEntry = initializeCache.get(webpack);
-
-  // eslint-disable-next-line no-undefined
-  if (cacheEntry !== undefined) {
-    return cacheEntry;
-  }
-
-  const constructors = initializer(webpack);
-  const result = { ...constructors };
-
-  initializeCache.set(webpack, result);
-
-  return result;
-}
-
 export {
-  shared,
   MODULE_TYPE,
   findModuleById,
   evalModuleCode,