source: imaps-frontend/node_modules/es-abstract/2022/DefineMethodProperty.js@ 79a0317

'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
};