Files

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1.5 KiB
TypeScript

import { spawn } from "node:child_process"
export type CommandResult = {
stdout: string
stderr: string
code: number
}
export const commandExists = (command: string) =>
new Promise<boolean>((resolve) => {
const child = spawn("sh", ["-lc", `command -v ${command}`])
child.on("error", () => resolve(false))
child.on("close", (code) => resolve(code === 0))
})
export const runCommand = (
command: string,
args: string[],
options: { timeoutMs?: number } = {}
) =>
new Promise<CommandResult>((resolve, reject) => {
const child = spawn(command, args, {
stdio: ["ignore", "pipe", "pipe"],
})
const stdout: Buffer[] = []
const stderr: Buffer[] = []
const timeout = options.timeoutMs
? setTimeout(() => {
child.kill("SIGTERM")
reject(new Error(`${command} wurde nach ${options.timeoutMs} ms beendet`))
}, options.timeoutMs)
: null
child.stdout.on("data", (chunk) => stdout.push(Buffer.from(chunk)))
child.stderr.on("data", (chunk) => stderr.push(Buffer.from(chunk)))
child.on("error", reject)
child.on("close", (code) => {
if (timeout) clearTimeout(timeout)
resolve({
stdout: Buffer.concat(stdout).toString("utf8"),
stderr: Buffer.concat(stderr).toString("utf8"),
code: code ?? 0,
})
})
})