source: imaps-frontend/node_modules/define-data-property/index.js

main
Last change on this file was d565449, checked in by stefan toskovski <stefantoska84@…>, 4 weeks ago

Update repo after prototype presentation

  • Property mode set to 100644
File size: 2.3 KB
Line 
1'use strict';
2
3var $defineProperty = require('es-define-property');
4
5var $SyntaxError = require('es-errors/syntax');
6var $TypeError = require('es-errors/type');
7
8var gopd = require('gopd');
9
10/** @type {import('.')} */
11module.exports = function defineDataProperty(
12 obj,
13 property,
14 value
15) {
16 if (!obj || (typeof obj !== 'object' && typeof obj !== 'function')) {
17 throw new $TypeError('`obj` must be an object or a function`');
18 }
19 if (typeof property !== 'string' && typeof property !== 'symbol') {
20 throw new $TypeError('`property` must be a string or a symbol`');
21 }
22 if (arguments.length > 3 && typeof arguments[3] !== 'boolean' && arguments[3] !== null) {
23 throw new $TypeError('`nonEnumerable`, if provided, must be a boolean or null');
24 }
25 if (arguments.length > 4 && typeof arguments[4] !== 'boolean' && arguments[4] !== null) {
26 throw new $TypeError('`nonWritable`, if provided, must be a boolean or null');
27 }
28 if (arguments.length > 5 && typeof arguments[5] !== 'boolean' && arguments[5] !== null) {
29 throw new $TypeError('`nonConfigurable`, if provided, must be a boolean or null');
30 }
31 if (arguments.length > 6 && typeof arguments[6] !== 'boolean') {
32 throw new $TypeError('`loose`, if provided, must be a boolean');
33 }
34
35 var nonEnumerable = arguments.length > 3 ? arguments[3] : null;
36 var nonWritable = arguments.length > 4 ? arguments[4] : null;
37 var nonConfigurable = arguments.length > 5 ? arguments[5] : null;
38 var loose = arguments.length > 6 ? arguments[6] : false;
39
40 /* @type {false | TypedPropertyDescriptor<unknown>} */
41 var desc = !!gopd && gopd(obj, property);
42
43 if ($defineProperty) {
44 $defineProperty(obj, property, {
45 configurable: nonConfigurable === null && desc ? desc.configurable : !nonConfigurable,
46 enumerable: nonEnumerable === null && desc ? desc.enumerable : !nonEnumerable,
47 value: value,
48 writable: nonWritable === null && desc ? desc.writable : !nonWritable
49 });
50 } else if (loose || (!nonEnumerable && !nonWritable && !nonConfigurable)) {
51 // must fall back to [[Set]], and was not explicitly asked to make non-enumerable, non-writable, or non-configurable
52 obj[property] = value; // eslint-disable-line no-param-reassign
53 } else {
54 throw new $SyntaxError('This environment does not support defining a property as non-configurable, non-writable, or non-enumerable.');
55 }
56};
Note: See TracBrowser for help on using the repository browser.