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

PR Close #24861
2018-07-11 15:57:27 -07:00
parent 1f59f2f04d
commit 6e828bba88
6 changed files with 185 additions and 8 deletions
--- a/packages/core/src/render/api.ts
+++ b/packages/core/src/render/api.ts
@ -268,7 +268,7 @@ export abstract class Renderer2 {
   * @param selectorOrNode The DOM element.
   * @returns The root element.
   */
-  abstract selectRootElement(selectorOrNode: string|any): any;
+  abstract selectRootElement(selectorOrNode: string|any, preserveContent?: boolean): any;
  /**
   * Implement this callback to get the parent of a given node
   * in the host element's DOM.