source: trip-planner-front/node_modules/err-code/index.js@ 8d391a1

Last change on this file since 8d391a1 was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago

initial commit

  • Property mode set to 100644
File size: 933 bytes
Line 
1'use strict';
2
3function assign(obj, props) {
4 for (const key in props) {
5 Object.defineProperty(obj, key, {
6 value: props[key],
7 enumerable: true,
8 configurable: true,
9 });
10 }
11
12 return obj;
13}
14
15function createError(err, code, props) {
16 if (!err || typeof err === 'string') {
17 throw new TypeError('Please pass an Error to err-code');
18 }
19
20 if (!props) {
21 props = {};
22 }
23
24 if (typeof code === 'object') {
25 props = code;
26 code = undefined;
27 }
28
29 if (code != null) {
30 props.code = code;
31 }
32
33 try {
34 return assign(err, props);
35 } catch (_) {
36 props.message = err.message;
37 props.stack = err.stack;
38
39 const ErrClass = function () {};
40
41 ErrClass.prototype = Object.create(Object.getPrototypeOf(err));
42
43 return assign(new ErrClass(), props);
44 }
45}
46
47module.exports = createError;
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