chrome-devtools-frontend
Version:
Chrome DevTools UI
17 lines (14 loc) • 603 B
text/typescript
// Copyright 2021 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
/*
* Function to define a customElement and display an error if the element has already been defined.
*/
export function defineComponent(tagName: string, componentClass: CustomElementConstructor): void {
if (customElements.get(tagName)) {
console.error(`${tagName} already defined!`);
return;
}
// eslint-disable-next-line rulesdir/custom_element_component_definition
customElements.define(tagName, componentClass);
}