Update init hook to use ensureLazyLoadingHash

lib/engine-addon.js

@@ -18,6 +18,7 @@ const recoverAddons = require('./utils/recover-addons');
 const p = require('ember-cli-preprocess-registry/preprocessors');
 const shouldCompactReexports = require('./utils/should-compact-reexports');
 const appendCompactReexportsIfNeeded = require('./utils/append-compact-reexports-if-needed');
+const ensureLazyLoadingHash = require('./utils/ensure-lazy-loading-hash');
 const preprocessCss = p.preprocessCss;
 const preprocessMinifyCss = p.preprocessMinifyCss;
 const BroccoliDebug = require('broccoli-debug');
@@ -378,13 +379,7 @@ module.exports = {
       this._engineConfig = new Map();
       this.options = defaultsDeep(options, DEFAULT_CONFIG);
 
-      // Ensure lazyLoading is a hash, retain backwards compatibility with using
-      // a boolean value
-      if (typeof this.lazyLoading === 'boolean') {
-        this.lazyLoading = {
-          enabled: this.lazyLoading,
-        };
-      }
+      ensureLazyLoadingHash(this);
 
       // NOTE: This is a beautiful hack to deal with core object calling toString on the function.
       // It'll throw a deprecation warning if this isn't present because it doesn't see a `_super`