playwright/src/rpc/client/selectors.ts
Dmitry Gozman 2d5c0328cd
feat(rpc): return objects for every protocol command (#2950)
For future extensibility, returning objects with fields instead
of plain strings or channels.
2020-07-14 18:26:50 -07:00

40 lines
1.6 KiB
TypeScript

/**
* Copyright (c) Microsoft Corporation.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { SelectorsChannel, SelectorsInitializer } from '../channels';
import { ChannelOwner } from './channelOwner';
import { helper } from '../../helper';
import { ElementHandle } from './elementHandle';
export class Selectors extends ChannelOwner<SelectorsChannel, SelectorsInitializer> {
static from(selectors: SelectorsChannel): Selectors {
return (selectors as any)._object;
}
constructor(parent: ChannelOwner, type: string, guid: string, initializer: SelectorsInitializer) {
super(parent, type, guid, initializer);
}
async register(name: string, script: string | Function | { path?: string, content?: string }, options: { contentScript?: boolean } = {}): Promise<void> {
const source = await helper.evaluationScript(script, undefined, false);
await this._channel.register({ name, source, options });
}
async _createSelector(name: string, handle: ElementHandle<Element>): Promise<string | undefined> {
return (await this._channel.createSelector({ name, handle: handle._elementChannel })).value;
}
}