1 | 'use strict';
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2 |
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3 | var hasOwn = require('hasown');
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4 |
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5 | var $TypeError = require('es-errors/type');
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6 |
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7 | var getSymbolDescription = require('get-symbol-description');
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8 |
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9 | var DefinePropertyOrThrow = require('./DefinePropertyOrThrow');
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10 | var IsExtensible = require('./IsExtensible');
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11 |
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12 | // https://262.ecma-international.org/6.0/#sec-setfunctionname
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13 |
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14 | module.exports = function SetFunctionName(F, name) {
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15 | if (typeof F !== 'function') {
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16 | throw new $TypeError('Assertion failed: `F` must be a function');
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17 | }
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18 | if (!IsExtensible(F) || hasOwn(F, 'name')) {
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19 | throw new $TypeError('Assertion failed: `F` must be extensible, and must not have a `name` own property');
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20 | }
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21 | if (typeof name !== 'symbol' && typeof name !== 'string') {
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22 | throw new $TypeError('Assertion failed: `name` must be a Symbol or a String');
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23 | }
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24 | if (typeof name === 'symbol') {
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25 | var description = getSymbolDescription(name);
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26 | // eslint-disable-next-line no-param-reassign
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27 | name = typeof description === 'undefined' ? '' : '[' + description + ']';
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28 | }
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29 | if (arguments.length > 2) {
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30 | var prefix = arguments[2];
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31 | // eslint-disable-next-line no-param-reassign
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32 | name = prefix + ' ' + name;
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33 | }
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34 | return DefinePropertyOrThrow(F, 'name', {
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35 | '[[Value]]': name,
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36 | '[[Writable]]': false,
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37 | '[[Enumerable]]': false,
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38 | '[[Configurable]]': true
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39 | });
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40 | };
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