diff options
Diffstat (limited to 'node_modules/cross-spawn/lib/enoent.js')
-rw-r--r-- | node_modules/cross-spawn/lib/enoent.js | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/node_modules/cross-spawn/lib/enoent.js b/node_modules/cross-spawn/lib/enoent.js new file mode 100644 index 0000000..d0a193a --- /dev/null +++ b/node_modules/cross-spawn/lib/enoent.js @@ -0,0 +1,73 @@ +'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; |