import ClassMethodBinder from '../../ClassMethodBinder.js'; import * as PropertySymbol from '../../PropertySymbol.js'; /** * NodeList. * * @see https://developer.mozilla.org/en-US/docs/Web/API/NodeList */ class NodeList { [PropertySymbol.items]; /** * Constructor. * * @param illegalConstructorSymbol Illegal constructor symbol. * @param items Items. */ constructor(illegalConstructorSymbol, items) { if (illegalConstructorSymbol !== PropertySymbol.illegalConstructor) { throw new TypeError('Illegal constructor'); } this[PropertySymbol.items] = items; const methodBinder = new ClassMethodBinder(this, this.constructor !== NodeList ? [this.constructor, NodeList] : [NodeList]); const proxy = new Proxy(this, { get: (target, property) => { if (property === 'length') { return items.length; } if (property in target || typeof property === 'symbol') { methodBinder.bind(property); return target[property]; } const index = Number(property); if (!isNaN(index)) { return items[index]; } }, set(target, property, newValue) { methodBinder.bind(property); if (typeof property === 'symbol') { target[property] = newValue; return true; } const index = Number(property); if (isNaN(index)) { target[property] = newValue; } return true; }, deleteProperty(target, property) { if (typeof property === 'symbol') { delete target[property]; return true; } const index = Number(property); if (isNaN(index)) { delete target[property]; } return true; }, ownKeys() { return Object.keys(items); }, has(target, property) { if (property in target) { return true; } if (typeof property === 'symbol') { return false; } const index = Number(property); return !isNaN(index) && index >= 0 && index < items.length; }, defineProperty(target, property, descriptor) { methodBinder.preventBinding(property); if (property in target) { Object.defineProperty(target, property, descriptor); return true; } return false; }, getOwnPropertyDescriptor(target, property) { if (property in target || typeof property === 'symbol') { return; } const index = Number(property); if (!isNaN(index) && items[index]) { return { value: items[index], writable: false, enumerable: true, configurable: true }; } } }); return proxy; } /** * Returns length. * * @returns Length. */ get length() { return this[PropertySymbol.items].length; } /** * Returns `Symbol.toStringTag`. * * @returns `Symbol.toStringTag`. */ get [Symbol.toStringTag]() { return 'NodeList'; } /** * Returns `[object NodeList]`. * * @returns `[object NodeList]`. */ toLocaleString() { return '[object NodeList]'; } /** * Returns `[object NodeList]`. * * @returns `[object NodeList]`. */ toString() { return '[object NodeList]'; } /** * Returns item by index. * * @param index Index. */ item(index) { const nodes = this[PropertySymbol.items]; return index >= 0 && nodes[index] ? nodes[index] : null; } /** * Returns an iterator, allowing you to go through all values of the key/value pairs contained in this object. * * @returns Iterator. */ [Symbol.iterator]() { const items = this[PropertySymbol.items]; return items[Symbol.iterator](); } /** * Returns an iterator, allowing you to go through all values of the key/value pairs contained in this object. * * @returns Iterator. */ values() { return this[PropertySymbol.items].values(); } /** * Returns an iterator, allowing you to go through all key/value pairs contained in this object. * * @returns Iterator. */ entries() { return this[PropertySymbol.items].entries(); } /** * Executes a provided callback function once for each DOMTokenList element. * * @param callback Function. * @param thisArg thisArg. */ forEach(callback, thisArg) { return this[PropertySymbol.items].forEach(callback, thisArg); } /** * Returns an iterator, allowing you to go through all keys of the key/value pairs contained in this object. * * @returns Iterator. */ keys() { return this[PropertySymbol.items].keys(); } } export default NodeList; //# sourceMappingURL=NodeList.js.map