35 lines
1.1 KiB
TypeScript
35 lines
1.1 KiB
TypeScript
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/*
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Copyright 2018 New Vector Ltd
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Copyright 2019 The Matrix.org Foundation C.I.C.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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import { Page, PageEventObject } from "puppeteer";
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export class LogBuffer<EventMapperArg extends Parameters<Parameters<Page['on']>[1]>[0]> {
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buffer: string;
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constructor(
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page: Page,
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eventName: keyof PageEventObject,
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eventMapper: (arg: EventMapperArg) => Promise<string>,
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initialValue = "",
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) {
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this.buffer = initialValue;
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page.on(eventName, (arg: EventMapperArg) => {
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eventMapper(arg).then((r) => this.buffer += r);
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});
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}
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}
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