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node_modules/es-abstract/2022/DefineMethodProperty.js

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+'use strict';
+
+var $TypeError = require('es-errors/type');
+
+var DefinePropertyOrThrow = require('./DefinePropertyOrThrow');
+var IsExtensible = require('./IsExtensible');
+
+var isObject = require('../helpers/isObject');
+var isPropertyKey = require('../helpers/isPropertyKey');
+
+// https://262.ecma-international.org/13.0/#sec-definemethodproperty
+
+module.exports = function DefineMethodProperty(homeObject, key, closure, enumerable) {
+	if (!isObject(homeObject)) {
+		throw new $TypeError('Assertion failed: `homeObject` is not an Object');
+	}
+	if (!isPropertyKey(key)) {
+		throw new $TypeError('Assertion failed: `key` is not a Property Key or a Private Name');
+	}
+	if (typeof closure !== 'function') {
+		throw new $TypeError('Assertion failed: `closure` is not a function');
+	}
+	if (typeof enumerable !== 'boolean') {
+		throw new $TypeError('Assertion failed: `enumerable` is not a Boolean');
+	}
+
+	// 1. Assert: homeObject is an ordinary, extensible object with no non-configurable properties.
+	if (!IsExtensible(homeObject)) {
+		throw new $TypeError('Assertion failed: `homeObject` is not an ordinary, extensible object, with no non-configurable properties');
+	}
+
+	// 2. If key is a Private Name, then
+	//  a. Return PrivateElement { [[Key]]: key, [[Kind]]: method, [[Value]]: closure }.
+	// 3. Else,
+	var desc = { // step 3.a
+		'[[Value]]': closure,
+		'[[Writable]]': true,
+		'[[Enumerable]]': enumerable,
+		'[[Configurable]]': true
+	};
+	DefinePropertyOrThrow(homeObject, key, desc); // step 3.b
+};