Remove Ember.Component extensions

Author: dfreeman

packages/ember-css-modules/addon/extensions.js

@@ -4,7 +4,6 @@ const path = require('path');
 const fs = require('fs');
 const debug = require('debug')('ember-css-modules:addon');
 const VersionChecker = require('ember-cli-version-checker');
-const MergeTrees = require('broccoli-merge-trees');
 
 const HtmlbarsPlugin = require('./lib/htmlbars-plugin');
 const ModulesPreprocessor = require('./lib/modules-preprocessor');
@@ -40,26 +39,6 @@ module.exports = {
     this.setupTemplateTransform();
   },
 
-  treeForAddon() {
-    let addonTree = this._super.treeForAddon.apply(this, arguments);
-
-    // Allow to opt-out from automatic Component.reopen()
-    if (this.cssModulesOptions.patchClassicComponent !== false) {
-      return new MergeTrees([addonTree, `${__dirname}/vendor`]);
-    } else {
-      return addonTree;
-    }
-  },
-
-  cacheKeyForTree(treeType) {
-    // We override treeForAddon, but the result is still stable
-    if (treeType === 'addon') {
-      return require('calculate-cache-key-for-tree')('addon', this);
-    } else {
-      return this._super.cacheKeyForTree.call(this, treeType);
-    }
-  },
-
   setupPreprocessorRegistry(type, registry) {
     // Skip if we're setting up this addon's own registry
     if (type !== 'parent') {

packages/ember-css-modules/addon/mixins/component-mixin.js

@@ -81,7 +81,6 @@
     "broccoli-funnel": "^2.0.1",
     "broccoli-merge-trees": "^2.0.0",
     "broccoli-postcss": "^4.0.1 || ^5.0.0 || ^6.0.0",
-    "calculate-cache-key-for-tree": "^1.1.0",
     "debug": "^3.1.0",
     "ember-cli-babel": "^7.26.6",
     "ember-cli-htmlbars": "^6.0.0",