| 'use strict'; |
| |
| var isWin = process.platform === 'win32'; |
| var resolveCommand = require('./util/resolveCommand'); |
| |
| var isNode10 = process.version.indexOf('v0.10.') === 0; |
| |
| function notFoundError(command, syscall) { |
| var err; |
| |
| err = new Error(syscall + ' ' + command + ' ENOENT'); |
| err.code = err.errno = 'ENOENT'; |
| err.syscall = syscall + ' ' + command; |
| |
| return err; |
| } |
| |
| function hookChildProcess(cp, parsed) { |
| var originalEmit; |
| |
| if (!isWin) { |
| return; |
| } |
| |
| originalEmit = cp.emit; |
| cp.emit = function (name, arg1) { |
| var err; |
| |
| // If emitting "exit" event and exit code is 1, we need to check if |
| // the command exists and emit an "error" instead |
| // See: https://github.com/IndigoUnited/node-cross-spawn/issues/16 |
| if (name === 'exit') { |
| err = verifyENOENT(arg1, parsed, 'spawn'); |
| |
| if (err) { |
| return originalEmit.call(cp, 'error', err); |
| } |
| } |
| |
| return originalEmit.apply(cp, arguments); |
| }; |
| } |
| |
| function verifyENOENT(status, parsed) { |
| if (isWin && status === 1 && !parsed.file) { |
| return notFoundError(parsed.original, 'spawn'); |
| } |
| |
| return null; |
| } |
| |
| function verifyENOENTSync(status, parsed) { |
| if (isWin && status === 1 && !parsed.file) { |
| return notFoundError(parsed.original, 'spawnSync'); |
| } |
| |
| // If we are in node 10, then we are using spawn-sync; if it exited |
| // with -1 it probably means that the command does not exist |
| if (isNode10 && status === -1) { |
| parsed.file = isWin ? parsed.file : resolveCommand(parsed.original); |
| |
| if (!parsed.file) { |
| return notFoundError(parsed.original, 'spawnSync'); |
| } |
| } |
| |
| return null; |
| } |
| |
| module.exports.hookChildProcess = hookChildProcess; |
| module.exports.verifyENOENT = verifyENOENT; |
| module.exports.verifyENOENTSync = verifyENOENTSync; |
| module.exports.notFoundError = notFoundError; |