+++ /dev/null
-'use strict';
-// Older verions of Node.js might not have `util.getSystemErrorName()`.
-// In that case, fall back to a deprecated internal.
-const util = require('util');
-
-let uv;
-
-if (typeof util.getSystemErrorName === 'function') {
- module.exports = util.getSystemErrorName;
-} else {
- try {
- uv = process.binding('uv');
-
- if (typeof uv.errname !== 'function') {
- throw new TypeError('uv.errname is not a function');
- }
- } catch (err) {
- console.error('execa/lib/errname: unable to establish process.binding(\'uv\')', err);
- uv = null;
- }
-
- module.exports = code => errname(uv, code);
-}
-
-// Used for testing the fallback behavior
-module.exports.__test__ = errname;
-
-function errname(uv, code) {
- if (uv) {
- return uv.errname(code);
- }
-
- if (!(code < 0)) {
- throw new Error('err >= 0');
- }
-
- return `Unknown system error ${code}`;
-}
-