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authorGravatar Piotr Russ <mail@pruss.it> 2020-11-16 00:10:28 +0100
committerGravatar Piotr Russ <mail@pruss.it> 2020-11-16 00:10:28 +0100
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-rw-r--r--node_modules/es-abstract/2015/SetFunctionName.js44
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diff --git a/node_modules/es-abstract/2015/SetFunctionName.js b/node_modules/es-abstract/2015/SetFunctionName.js
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+'use strict';
+
+var GetIntrinsic = require('../GetIntrinsic');
+
+var has = require('has');
+
+var $TypeError = GetIntrinsic('%TypeError%');
+
+var getSymbolDescription = require('../helpers/getSymbolDescription');
+
+var DefinePropertyOrThrow = require('./DefinePropertyOrThrow');
+var IsExtensible = require('./IsExtensible');
+var Type = require('./Type');
+
+// https://ecma-international.org/ecma-262/6.0/#sec-setfunctionname
+
+module.exports = function SetFunctionName(F, name) {
+ if (typeof F !== 'function') {
+ throw new $TypeError('Assertion failed: `F` must be a function');
+ }
+ if (!IsExtensible(F) || has(F, 'name')) {
+ throw new $TypeError('Assertion failed: `F` must be extensible, and must not have a `name` own property');
+ }
+ var nameType = Type(name);
+ if (nameType !== 'Symbol' && nameType !== 'String') {
+ throw new $TypeError('Assertion failed: `name` must be a Symbol or a String');
+ }
+ if (nameType === 'Symbol') {
+ var description = getSymbolDescription(name);
+ // eslint-disable-next-line no-param-reassign
+ name = typeof description === 'undefined' ? '' : '[' + description + ']';
+ }
+ if (arguments.length > 2) {
+ var prefix = arguments[2];
+ // eslint-disable-next-line no-param-reassign
+ name = prefix + ' ' + name;
+ }
+ return DefinePropertyOrThrow(F, 'name', {
+ '[[Value]]': name,
+ '[[Writable]]': false,
+ '[[Enumerable]]': false,
+ '[[Configurable]]': true
+ });
+};