src/vs/platform/terminal/common/terminalDataBuffering.ts
65 LOC · 65 covered · 0 uncovered · 15 ranges · 53 concepts · 6 introducers · 47 tests
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/*---------------------------------------------------------------------------------------------
terminalDataBuffering.ts ×6
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the MIT License. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
import { Event } from '../../../base/common/event.js';
import { IDisposable } from '../../../base/common/lifecycle.js';
import { isString } from '../../../base/common/types.js';
import { IProcessDataEvent } from './terminal.js';
interface TerminalDataBuffer extends IDisposable {
data: string[];
timeoutId: Timeout;
}
export class TerminalDataBufferer implements IDisposable {
private readonly _terminalBufferMap = new Map<number, TerminalDataBuffer>();
constructor(private readonly _callback: (id: number, data: string) => void) {
dispose() {
}
startBuffering(id: number, event: Event<string | IProcessDataEvent>, throttleBy: number = 5): IDisposable {
const disposable = event((e: string | IProcessDataEvent) => {
const data = isString(e) ? e : e.data;
let buffer = this._terminalBufferMap.get(id);
if (buffer) {
buffer.data.push(data);
return;
}
const timeoutId = setTimeout(() => this.flushBuffer(id), throttleBy);
buffer = {
data: [data],
timeoutId,
dispose: () => {
this.flushBuffer(id);
disposable.dispose();
}
this._terminalBufferMap.set(id, buffer);
});
return disposable;
}
stopBuffering(id: number) {
buffer?.dispose();
}
flushBuffer(id: number): void {
if (buffer) {
this._terminalBufferMap.delete(id);
this._callback(id, buffer.data.join(''));
}
}