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fix(core): do not clear element content when using shadow dom (#24861)

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PR Close #24861
This commit is contained in:
Rob Wormald
2018-07-11 15:57:27 -07:00
committed by Misko Hevery
parent 1f59f2f04d
commit 6e828bba88
6 changed files with 185 additions and 8 deletions
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7
packages/core/src/view/element.ts
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@ -6,6 +6,7 @@
* found in the LICENSE file at https://angular.io/license
*/
import {ViewEncapsulation} from '../metadata/view';
import {RendererType2} from '../render/api';
import {SecurityContext} from '../sanitization/security';
@ -163,7 +164,11 @@ export function createElement(view: ViewData, renderHost: any, def: NodeDef): El
renderer.appendChild(parentEl, el);
}
} else {
el = renderer.selectRootElement(rootSelectorOrNode);
// when using native Shadow DOM, do not clear the root element contents to allow slot projection
const preserveContent =
(!!elDef.componentRendererType &&
elDef.componentRendererType.encapsulation === ViewEncapsulation.ShadowDom);
el = renderer.selectRootElement(rootSelectorOrNode, preserveContent);
}
if (elDef.attrs) {
for (let i = 0; i < elDef.attrs.length; i++) {