import { client } from "@coder/ide/src/fill/client"; import { EventEmitter } from "events"; import * as nodePty from "node-pty"; import { ChildProcess } from "@coder/protocol/src/browser/command"; type nodePtyType = typeof nodePty; /** * Implementation of nodePty for the browser. */ class Pty implements nodePty.IPty { private readonly emitter: EventEmitter; private readonly cp: ChildProcess; public constructor(file: string, args: string[] | string, options: nodePty.IPtyForkOptions) { this.emitter = new EventEmitter(); this.cp = client.spawn(file, Array.isArray(args) ? args : [args], { ...options, tty: { columns: options.cols || 100, rows: options.rows || 100, }, }); this.on("write", (d) => this.cp.send(d)); this.on("kill", (exitCode) => this.cp.kill(exitCode)); this.on("resize", (cols, rows) => this.cp.resize!({ columns: cols, rows })); this.cp.stdout.on("data", (data) => this.emitter.emit("data", data)); this.cp.stderr.on("data", (data) => this.emitter.emit("data", data)); this.cp.on("exit", (code) => this.emitter.emit("exit", code)); } public get pid(): number { return this.cp.pid!; } public get process(): string { return this.cp.title!; } public on(event: string, listener: (...args) => void): void { this.emitter.on(event, listener); } public resize(columns: number, rows: number): void { this.emitter.emit("resize", columns, rows); } public write(data: string): void { this.emitter.emit("write", data); } public kill(signal?: string): void { this.emitter.emit("kill", signal); } } const ptyType: nodePtyType = { spawn: (file: string, args: string[] | string, options: nodePty.IPtyForkOptions): nodePty.IPty => { return new Pty(file, args, options); }, }; module.exports = ptyType;