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/* Terminal emulator - commented because node-pty is causing problems. */
import * as vscode from "vscode";
import os = require("os");
import stripAnsi from "strip-ansi";
function loadNativeModule<T>(id: string): T | null {
try {
return require(`${vscode.env.appRoot}/node_modules.asar/${id}`);
} catch (err) {
// ignore
}
try {
return require(`${vscode.env.appRoot}/node_modules/${id}`);
} catch (err) {
// ignore
}
return null;
}
const pty = loadNativeModule<any>("node-pty");
function getDefaultShell(): string {
if (process.platform !== "win32") {
return os.userInfo().shell;
}
switch (process.platform) {
case "win32":
return process.env.COMSPEC || "cmd.exe";
// case "darwin":
// return process.env.SHELL || "/bin/zsh";
// default:
// return process.env.SHELL || "/bin/sh";
}
}
function getRootDir(): string | undefined {
const isWindows = os.platform() === "win32";
let cwd = isWindows ? process.env.USERPROFILE : process.env.HOME;
if (
vscode.workspace.workspaceFolders &&
vscode.workspace.workspaceFolders.length > 0
) {
cwd = vscode.workspace.workspaceFolders[0].uri.fsPath;
}
return cwd;
}
export class CapturedTerminal {
private readonly terminal: vscode.Terminal;
private readonly shellCmd: string;
private readonly ptyProcess: any;
private shellPrompt: string | undefined = undefined;
private dataBuffer: string = "";
private onDataListeners: ((data: string) => void)[] = [];
show() {
this.terminal.show();
}
isClosed(): boolean {
return this.terminal.exitStatus !== undefined;
}
private commandQueue: [string, (output: string) => void][] = [];
private hasRunCommand: boolean = false;
private dataEndsInPrompt(strippedData: string): boolean {
const lines = this.dataBuffer.split("\n");
return (
lines.length > 0 &&
(lines[lines.length - 1].includes("bash-") ||
lines[lines.length - 1].includes(") $ ")) &&
lines[lines.length - 1].includes("$")
);
}
private async waitForCommandToFinish() {
return new Promise<string>((resolve, reject) => {
this.onDataListeners.push((data: any) => {
const strippedData = stripAnsi(data);
this.dataBuffer += strippedData;
if (this.dataEndsInPrompt(strippedData)) {
resolve(this.dataBuffer);
this.dataBuffer = "";
this.onDataListeners = [];
}
});
});
}
async runCommand(command: string): Promise<string> {
if (!this.hasRunCommand) {
this.hasRunCommand = true;
// Let the first bash- prompt appear and let python env be opened
await this.waitForCommandToFinish();
}
if (this.commandQueue.length === 0) {
return new Promise(async (resolve, reject) => {
this.commandQueue.push([command, resolve]);
while (this.commandQueue.length > 0) {
const [command, resolve] = this.commandQueue.shift()!;
this.terminal.sendText(command);
resolve(await this.waitForCommandToFinish());
}
});
} else {
return new Promise((resolve, reject) => {
this.commandQueue.push([command, resolve]);
});
}
}
private readonly writeEmitter: vscode.EventEmitter<string>;
private splitByCommandsBuffer: string = "";
private readonly onCommandOutput: ((output: string) => void) | undefined;
splitByCommandsListener(data: string) {
// Split the output by commands so it can be sent to Continue Server
const strippedData = stripAnsi(data);
this.splitByCommandsBuffer += strippedData;
if (this.dataEndsInPrompt(strippedData)) {
if (this.onCommandOutput) {
this.onCommandOutput(this.splitByCommandsBuffer);
}
this.dataBuffer = "";
}
}
constructor(
options: { name: string } & Partial<vscode.ExtensionTerminalOptions>,
onCommandOutput?: (output: string) => void
) {
this.onCommandOutput = onCommandOutput;
// this.shellCmd = "bash"; // getDefaultShell();
this.shellCmd = getDefaultShell();
const env = { ...(process.env as any) };
if (os.platform() !== "win32") {
env.PATH += `:${["/opt/homebrew/bin", "/opt/homebrew/sbin"].join(":")}`;
}
// Create the pseudo terminal
this.ptyProcess = pty.spawn(this.shellCmd, [], {
name: "xterm-256color",
cols: 160, // TODO: Get size of vscode terminal, and change with resize
rows: 26,
cwd: getRootDir(),
env,
useConpty: true,
});
this.writeEmitter = new vscode.EventEmitter<string>();
this.ptyProcess.onData((data: any) => {
// Pass data through to terminal
this.writeEmitter.fire(data);
for (let listener of this.onDataListeners) {
listener(data);
}
});
process.on("exit", () => this.ptyProcess.kill());
const newPty: vscode.Pseudoterminal = {
onDidWrite: this.writeEmitter.event,
open: () => {},
close: () => {},
handleInput: (data) => {
this.ptyProcess.write(data);
},
};
// Create and clear the terminal
this.terminal = vscode.window.createTerminal({
...options,
pty: newPty,
});
this.terminal.show();
}
}
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