refactor(core): move Meta methods that only have one version from DomAdapter (#32408)

PR Close #32408

packages/platform-browser/src/browser/browser_adapter.ts

@@ -50,7 +50,6 @@ export class BrowserDomAdapter extends GenericBrowserDomAdapter {
     }
   }
 
-  querySelectorAll(el: any, selector: string): any[] { return el.querySelectorAll(selector); }
   onAndCancel(el: Node, evt: any, listener: any): Function {
     el.addEventListener(evt, listener, false);
     // Needed to follow Dart's subscription semantic, until fix of
@@ -58,7 +57,6 @@ export class BrowserDomAdapter extends GenericBrowserDomAdapter {
     return () => { el.removeEventListener(evt, listener, false); };
   }
   dispatchEvent(el: Node, evt: any) { el.dispatchEvent(evt); }
-  appendChild(el: Node, node: Node) { el.appendChild(node); }
   remove(node: Node): Node {
     if (node.parentNode) {
       node.parentNode.removeChild(node);
@@ -70,15 +68,6 @@ export class BrowserDomAdapter extends GenericBrowserDomAdapter {
     doc = doc || this.getDefaultDocument();
     return doc.createElement(tagName);
   }
-  getElementsByTagName(element: any, name: string): HTMLElement[] {
-    return element.getElementsByTagName(name);
-  }
-
-  getAttribute(element: Element, attribute: string): string|null {
-    return element.getAttribute(attribute);
-  }
-  setAttribute(element: Element, name: string, value: string) { element.setAttribute(name, value); }
-
   createHtmlDocument(): HTMLDocument {
     return document.implementation.createHTMLDocument('fakeTitle');
   }

packages/platform-browser/src/browser/meta.ts

@@ -65,7 +65,7 @@ export class Meta {
 
   getTags(attrSelector: string): HTMLMetaElement[] {
     if (!attrSelector) return [];
-    const list /*NodeList*/ = this._dom.querySelectorAll(this._doc, `meta[${attrSelector}]`);
+    const list /*NodeList*/ = this._doc.querySelectorAll(`meta[${attrSelector}]`);
     return list ? [].slice.call(list) : [];
   }
 
@@ -99,13 +99,13 @@ export class Meta {
     }
     const element: HTMLMetaElement = this._dom.createElement('meta') as HTMLMetaElement;
     this._setMetaElementAttributes(meta, element);
-    const head = this._dom.getElementsByTagName(this._doc, 'head')[0];
-    this._dom.appendChild(head, element);
+    const head = this._doc.getElementsByTagName('head')[0];
+    head.appendChild(element);
     return element;
   }
 
   private _setMetaElementAttributes(tag: MetaDefinition, el: HTMLMetaElement): HTMLMetaElement {
-    Object.keys(tag).forEach((prop: string) => this._dom.setAttribute(el, prop, tag[prop]));
+    Object.keys(tag).forEach((prop: string) => el.setAttribute(prop, tag[prop]));
     return el;
   }
 
@@ -115,6 +115,6 @@ export class Meta {
   }
 
   private _containsAttributes(tag: MetaDefinition, elem: HTMLMetaElement): boolean {
-    return Object.keys(tag).every((key: string) => this._dom.getAttribute(elem, key) === tag[key]);
+    return Object.keys(tag).every((key: string) => elem.getAttribute(key) === tag[key]);
   }
 }

packages/platform-browser/src/browser/server-transition.ts

@@ -23,7 +23,7 @@ export function appInitializerFactory(transitionId: string, document: any, injec
       const dom = getDOM();
       const styles: any[] =
           Array.prototype.slice.apply(document.querySelectorAll(`style[ng-transition]`));
-      styles.filter(el => dom.getAttribute(el, 'ng-transition') === transitionId)
+      styles.filter(el => el.getAttribute('ng-transition') === transitionId)
           .forEach(el => dom.remove(el));
     });
   };