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'use strict';
const isWin = process.platform === 'win32';
function notFoundError(original, syscall) {
return Object.assign(new Error(`${syscall} ${original.command} ENOENT`), {
code: 'ENOENT',
errno: 'ENOENT',
syscall: `${syscall} ${original.command}`,
path: original.command,
spawnargs: original.args,
});
}
function hookChildProcess(cp, parsed) {
if (!isWin) {
return;
}
const originalEmit = cp.emit;
cp.emit = function (name, arg1) {
// 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') {
const err = verifyENOENT(arg1, parsed);
if (err) {
return originalEmit.call(cp, 'error', err);
}
}
return originalEmit.apply(cp, arguments); // eslint-disable-line prefer-rest-params
};
}
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');
}
return null;
}
module.exports = {
hookChildProcess,
verifyENOENT,
verifyENOENTSync,
notFoundError,
};