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perf(render): only create LightDom instances if the element has children

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This commit is contained in:
Tobias Bosch
2015-06-10 15:54:10 -07:00
parent 4f27611ae6
commit ca09701343
5 changed files with 59 additions and 12 deletions
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modules/angular2/test/render/dom/view/view_spec.ts
+8 -4
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@@ -48,20 +48,24 @@ export function main() {
return new DomView(pv, [DOM.childNodes(root)[0]], [], boundElements);
}
function createElementBinder(parentIndex:number = 0, distanceToParent:number = 1) {
return new ElementBinder({parentIndex: parentIndex, distanceToParent:distanceToParent, textNodeIndices:[]});
}
describe('getDirectParentElement', () => {
it('should return the DomElement of the direct parent', () => {
var pv = createProtoView(
[new ElementBinder(), new ElementBinder({parentIndex: 0, distanceToParent: 1})]);
[createElementBinder(), createElementBinder(0, 1)]);
var view = createView(pv, 2);
expect(view.getDirectParentElement(1)).toBe(view.boundElements[0]);
});
it('should return null if the direct parent is not bound', () => {
var pv = createProtoView([
new ElementBinder(),
new ElementBinder(),
new ElementBinder({parentIndex: 0, distanceToParent: 2})
createElementBinder(),
createElementBinder(),
createElementBinder(0,2)
]);
var view = createView(pv, 3);
expect(view.getDirectParentElement(2)).toBe(null);