File Explorer

1const makeSpawnArgs = require('./make-spawn-args.js')2const promiseSpawn = require('@npmcli/promise-spawn')3const packageEnvs = require('./package-envs.js')4const { isNodeGypPackage, defaultGypInstallScript } = require('@npmcli/node-gyp')5const signalManager = require('./signal-manager.js')6const isServerPackage = require('./is-server-package.js')7 8const runScriptPkg = async options => {9  const {10    args = [],11    binPaths = false,12    env = {},13    event,14    nodeGyp,15    path,16    pkg,17    scriptShell,18    // how long to wait for a process.kill signal19    // only exposed here so that we can make the test go a bit faster.20    signalTimeout = 500,21    stdio = 'pipe',22    stdioString,23  } = options24 25  const { scripts = {}, gypfile } = pkg26  let cmd = null27  if (options.cmd) {28    cmd = options.cmd29  } else if (pkg.scripts && pkg.scripts[event]) {30    cmd = pkg.scripts[event]31  } else if (32    // If there is no preinstall or install script, default to rebuilding node-gyp packages.33    event === 'install' &&34    !scripts.install &&35    !scripts.preinstall &&36    gypfile !== false &&37    await isNodeGypPackage(path)38  ) {39    cmd = defaultGypInstallScript40  } else if (event === 'start' && await isServerPackage(path)) {41    cmd = 'node server.js'42  }43 44  if (!cmd) {45    return { code: 0, signal: null }46  }47 48  let inputEnd = () => {}49  if (stdio === 'inherit') {50    let banner51    if (pkg._id) {52      banner = `\n> ${pkg._id} ${event}\n`53    } else {54      banner = `\n> ${event}\n`55    }56    banner += `> ${cmd.trim().replace(/\n/g, '\n> ')}`57    if (args.length) {58      banner += ` ${args.join(' ')}`59    }60    banner += '\n'61    const { output, input } = require('proc-log')62    output.standard(banner)63    inputEnd = input.start()64  }65 66  const [spawnShell, spawnArgs, spawnOpts] = makeSpawnArgs({67    args,68    binPaths,69    cmd,70    env: { ...env, ...packageEnvs(pkg) },71    event,72    nodeGyp,73    path,74    scriptShell,75    stdio,76    stdioString,77  })78 79  const p = promiseSpawn(spawnShell, spawnArgs, spawnOpts, {80    event,81    script: cmd,82    pkgid: pkg._id,83    path,84  })85 86  if (stdio === 'inherit') {87    signalManager.add(p.process)88  }89 90  if (p.stdin) {91    p.stdin.end()92  }93 94  return p.catch(er => {95    const { signal } = er96    // coverage disabled because win32 never emits signals97    /* istanbul ignore next */98    if (stdio === 'inherit' && signal) {99      // by the time we reach here, the child has already exited. we send the100      // signal back to ourselves again so that npm will exit with the same101      // status as the child102      process.kill(process.pid, signal)103 104      // just in case we don't die, reject after 500ms105      // this also keeps the node process open long enough to actually106      // get the signal, rather than terminating gracefully.107      return new Promise((res, rej) => setTimeout(() => rej(er), signalTimeout))108    } else {109      throw er110    }111  }).finally(inputEnd)112}113 114module.exports = runScriptPkg115