Merge pull request #16300 from rondale-sc/tack-serialization-first-node-util-to-ember-view-utils

Expose ability to detect serialization node.

Author: rwjblue

packages/ember-application/tests/system/visit_test.js

@@ -10,7 +10,7 @@ import Application from '../../system/application';
 import ApplicationInstance from '../../system/application-instance';
 import Engine from '../../system/engine';
 import { Route } from 'ember-routing';
-import { Component, helper } from 'ember-glimmer';
+import { Component, helper, isSerializationFirstNode } from 'ember-glimmer';
 import { compile } from 'ember-template-compiler';
 import { ENV } from 'ember-environment';
 
@@ -70,9 +70,8 @@ moduleFor('Application - visit()', class extends ApplicationTestCase {
 
     return this.visit('/', bootOptions)
       .then((instance) => {
-        assert.equal(
-          instance.rootElement.firstChild.nodeValue,
-          '%+b:0%',
+        assert.ok(
+          isSerializationFirstNode(instance.rootElement.firstChild),
           'glimmer-vm comment node was not found'
         );
       }).then(() =>{

packages/ember-glimmer/lib/index.ts

@@ -304,4 +304,5 @@ export { default as iterableFor } from './utils/iterable';
 export { default as DebugStack } from './utils/debug-stack';
 export { default as OutletView } from './views/outlet';
 export { default as CustomComponentManager } from './component-managers/custom';
-export { COMPONENT_MANAGER, componentManager } from './utils/custom-component-manager';
+export { COMPONENT_MANAGER, componentManager } from './utils/custom-component-manager';
+export { isSerializationFirstNode } from './utils/serialization-first-node-helpers';

packages/ember-glimmer/lib/utils/serialization-first-node-helpers.ts

@@ -0,0 +1 @@
+export { isSerializationFirstNode } from '@glimmer/util';

packages/ember/lib/index.js

@@ -429,7 +429,8 @@ import {
   setTemplates,
   template,
   TextField,
-  TextArea
+  TextArea,
+  isSerializationFirstNode
 } from 'ember-glimmer';
 
 Ember.Component = Component;
@@ -507,7 +508,8 @@ Ember.ViewUtils = {
   getViewClientRects: views.getViewClientRects,
   getViewBoundingClientRect: views.getViewBoundingClientRect,
   getRootViews: views.getRootViews,
-  getChildViews: views.getChildViews
+  getChildViews: views.getChildViews,
+  isSerializationFirstNode: isSerializationFirstNode
 };
 
 Ember.TextSupport = views.TextSupport;

packages/ember/tests/reexports_test.js

@@ -114,6 +114,7 @@ let allExports =[
   ['ViewUtils.getViewBoundingClientRect', 'ember-views', 'getViewBoundingClientRect'],
   ['ViewUtils.getRootViews', 'ember-views', 'getRootViews'],
   ['ViewUtils.getChildViews', 'ember-views', 'getChildViews'],
+  ['ViewUtils.isSerializationFirstNode', 'ember-glimmer', 'isSerializationFirstNode'],
   ['TextSupport', 'ember-views'],
   ['ComponentLookup', 'ember-views'],
   ['EventDispatcher', 'ember-views'],