Function spawn

integrations/utils.ts:205–339

(command: string, childProcessOptions: ChildProcessOptions = {})

          })
        },
        async spawn(command: string, childProcessOptions: ChildProcessOptions = {}) {
          let resolveDisposal: (() => void) | undefined
          let rejectDisposal: ((error: Error) => void) | undefined
          let disposePromise = new Promise<void>((resolve, reject) => {
            resolveDisposal = resolve
            rejectDisposal = reject
          })

          let cwd = childProcessOptions.cwd ?? root
          if (debug && cwd !== root) {
            let relative = path.relative(root, cwd)
            if (relative[0] !== '.') relative = `./${relative}`
            console.log(`> cd ${relative}`)
          }
          if (debug) console.log(`>& ${command}`)
          let child = spawn(command, {
            cwd,
            detached: !IS_WINDOWS,
            shell: true,
            ...childProcessOptions,
            env: {
              ...process.env,
              ...childProcessOptions.env,
            },
          })

          let disposed = false

          async function dispose() {
            if (disposed) return disposePromise
            disposed = true

            await killProcessTree(child)

            let timer = setTimeout(() => {
              forceKillProcessTree(child)
              rejectDisposal?.(new Error(`spawned process (${command}) did not exit in time`))
            }, ASSERTION_TIMEOUT)
            disposePromise.then(
              () => clearTimeout(timer),
              () => clearTimeout(timer),
            )
            return disposePromise
          }
          disposables.push(dispose)

          function onExit() {
            resolveDisposal?.()
          }

          let stdoutMessages: string[] = []
          let stderrMessages: string[] = []

          let stdoutActors: SpawnActor[] = []
          let stderrActors: SpawnActor[] = []

          function notifyNext(actors: SpawnActor[], messages: string[]) {
            if (actors.length <= 0) return