strip ansi from shell output (#699)

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Olcan 2025-06-02 14:50:12 -07:00 committed by GitHub
parent 51949f3121
commit 1dcf0a4cbd
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2 changed files with 7 additions and 4 deletions

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@ -15,6 +15,7 @@ import crypto from 'crypto';
import path from 'path'; import path from 'path';
import os from 'os'; import os from 'os';
import fs from 'fs'; import fs from 'fs';
import stripAnsi from 'strip-ansi';
const OUTPUT_UPDATE_INTERVAL_MS = 1000; const OUTPUT_UPDATE_INTERVAL_MS = 1000;
@ -126,12 +127,12 @@ export const useShellCommandProcessor = (
let exited = false; let exited = false;
let output = ''; let output = '';
let lastUpdateTime = Date.now(); let lastUpdateTime = Date.now();
const handleOutput = (data: string) => { const handleOutput = (data: Buffer) => {
// continue to consume post-exit for background processes // continue to consume post-exit for background processes
// removing listeners can overflow OS buffer and block subprocesses // removing listeners can overflow OS buffer and block subprocesses
// destroying (e.g. child.stdout.destroy()) can terminate subprocesses via SIGPIPE // destroying (e.g. child.stdout.destroy()) can terminate subprocesses via SIGPIPE
if (!exited) { if (!exited) {
output += data; output += stripAnsi(data.toString());
if (Date.now() - lastUpdateTime > OUTPUT_UPDATE_INTERVAL_MS) { if (Date.now() - lastUpdateTime > OUTPUT_UPDATE_INTERVAL_MS) {
setPendingHistoryItem({ setPendingHistoryItem({
type: 'info', type: 'info',

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@ -18,6 +18,8 @@ import {
} from './tools.js'; } from './tools.js';
import { SchemaValidator } from '../utils/schemaValidator.js'; import { SchemaValidator } from '../utils/schemaValidator.js';
import { getErrorMessage } from '../utils/errors.js'; import { getErrorMessage } from '../utils/errors.js';
import stripAnsi from 'strip-ansi';
export interface ShellToolParams { export interface ShellToolParams {
command: string; command: string;
description?: string; description?: string;
@ -177,7 +179,7 @@ export class ShellTool extends BaseTool<ShellToolParams, ToolResult> {
// removing listeners can overflow OS buffer and block subprocesses // removing listeners can overflow OS buffer and block subprocesses
// destroying (e.g. shell.stdout.destroy()) can terminate subprocesses via SIGPIPE // destroying (e.g. shell.stdout.destroy()) can terminate subprocesses via SIGPIPE
if (!exited) { if (!exited) {
const str = data.toString(); const str = stripAnsi(data.toString());
stdout += str; stdout += str;
appendOutput(str); appendOutput(str);
} }
@ -186,7 +188,7 @@ export class ShellTool extends BaseTool<ShellToolParams, ToolResult> {
let stderr = ''; let stderr = '';
shell.stderr.on('data', (data: Buffer) => { shell.stderr.on('data', (data: Buffer) => {
if (!exited) { if (!exited) {
const str = data.toString(); const str = stripAnsi(data.toString());
stderr += str; stderr += str;
appendOutput(str); appendOutput(str);
} }