Function containsAttributes

packages/platform-browser/src/browser/meta.ts:194–196

(tag: MetaDefinition, elem: HTMLMetaElement)

}

function containsAttributes(tag: MetaDefinition, elem: HTMLMetaElement): boolean {
  return Object.keys(tag).every((key) => elem.getAttribute(getMetaKeyMap(key)) === tag[key]);
}

function getMetaKeyMap(prop: string): string {
  return META_KEYS_MAP[prop] || prop;