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