"use strict"; var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) { if (k2 === undefined) k2 = k; var desc = Object.getOwnPropertyDescriptor(m, k); if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) { desc = { enumerable: true, get: function() { return m[k]; } }; } Object.defineProperty(o, k2, desc); }) : (function(o, m, k, k2) { if (k2 === undefined) k2 = k; o[k2] = m[k]; })); var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) { Object.defineProperty(o, "default", { enumerable: true, value: v }); }) : function(o, v) { o["default"] = v; }); var __importStar = (this && this.__importStar) || function (mod) { if (mod && mod.__esModule) return mod; var result = {}; if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k); __setModuleDefault(result, mod); return result; }; var __importDefault = (this && this.__importDefault) || function (mod) { return (mod && mod.__esModule) ? mod : { "default": mod }; }; Object.defineProperty(exports, "__esModule", { value: true }); const PropertySymbol = __importStar(require("../PropertySymbol.cjs")); const NamespaceURI_js_1 = __importDefault(require("../config/NamespaceURI.cjs")); /** * Custom elements registry. */ class CustomElementRegistry { [PropertySymbol.registry] = {}; [PropertySymbol.classRegistry] = new Map(); [PropertySymbol.callbacks] = new Map(); [PropertySymbol.destroyed] = false; #window; /** * Constructor. * * @param window Window. */ constructor(window) { if (!window) { throw new TypeError('Illegal constructor'); } this.#window = window; } /** * Defines a custom element class. * * @param name Tag name of element. * @param elementClass Element class. * @param [options] Options. * @param [options.extends] Extends tag name. */ define(name, elementClass, options) { if (this[PropertySymbol.destroyed]) { return; } if (!this.#isValidCustomElementName(name)) { throw new this.#window.DOMException(`Failed to execute 'define' on 'CustomElementRegistry': "${name}" is not a valid custom element name`); } if (this[PropertySymbol.registry][name]) { throw new this.#window.DOMException(`Failed to execute 'define' on 'CustomElementRegistry': the name "${name}" has already been used with this registry`); } if (this[PropertySymbol.classRegistry].has(elementClass)) { throw new this.#window.DOMException("Failed to execute 'define' on 'CustomElementRegistry': this constructor has already been used with this registry"); } const tagName = name.toUpperCase(); elementClass.prototype[PropertySymbol.window] = this.#window; elementClass.prototype[PropertySymbol.ownerDocument] = this.#window.document; elementClass.prototype[PropertySymbol.tagName] = tagName; elementClass.prototype[PropertySymbol.localName] = name; elementClass.prototype[PropertySymbol.namespaceURI] = NamespaceURI_js_1.default.html; this[PropertySymbol.registry][name] = { elementClass, extends: options && options.extends ? options.extends.toLowerCase() : null }; this[PropertySymbol.classRegistry].set(elementClass, name); // ObservedAttributes should only be called once by CustomElementRegistry (see #117) elementClass[PropertySymbol.observedAttributes] = (elementClass.observedAttributes || []).map((name) => String(name).toLowerCase()); const callbacks = this[PropertySymbol.callbacks].get(name); if (callbacks) { this[PropertySymbol.callbacks].delete(name); for (const callback of callbacks) { callback(); } } } /** * Returns a defined element class. * * @param name Tag name of element. * @returns HTMLElement Class defined or undefined. */ get(name) { return this[PropertySymbol.registry][name]?.elementClass; } /** * Upgrades a custom element directly, even before it is connected to its shadow root. * * Not implemented yet. * * @param _root Root node. */ upgrade(_root) { // Do nothing } /** * When defined. * * @param name Tag name of element. */ whenDefined(name) { if (this[PropertySymbol.destroyed]) { return Promise.reject(new this.#window.DOMException(`Failed to execute 'whenDefined' on 'CustomElementRegistry': The custom element registry has been destroyed.`)); } if (!this.#isValidCustomElementName(name)) { return Promise.reject(new this.#window.DOMException(`Failed to execute 'whenDefined' on 'CustomElementRegistry': Invalid custom element name: "${name}"`)); } if (this.get(name)) { return Promise.resolve(); } return new Promise((resolve) => { const callbacks = this[PropertySymbol.callbacks].get(name); if (callbacks) { callbacks.push(resolve); } else { this[PropertySymbol.callbacks].set(name, [resolve]); } }); } /** * Reverse lookup searching for name by given element class. * * @param elementClass Class constructor. * @returns Found tag name or `null`. */ getName(elementClass) { return this[PropertySymbol.classRegistry].get(elementClass) || null; } /** * Destroys the registry. */ [PropertySymbol.destroy]() { this[PropertySymbol.destroyed] = true; for (const entity of Object.values(this[PropertySymbol.registry])) { entity.elementClass.prototype[PropertySymbol.window] = null; entity.elementClass.prototype[PropertySymbol.ownerDocument] = null; entity.elementClass.prototype[PropertySymbol.tagName] = null; entity.elementClass.prototype[PropertySymbol.localName] = null; entity.elementClass.prototype[PropertySymbol.namespaceURI] = null; } this[PropertySymbol.registry] = {}; this[PropertySymbol.classRegistry] = new Map(); this[PropertySymbol.callbacks] = new Map(); } /** * Validates the correctness of custom element tag names. * * @param name Custom element tag name. * @returns True, if tag name is standard compliant. */ #isValidCustomElementName(name) { // Validation criteria based on: // https://html.spec.whatwg.org/multipage/custom-elements.html#valid-custom-element-name const PCENChar = '[-_.]|[0-9]|[a-z]|\u{B7}|[\u{C0}-\u{D6}]|[\u{D8}-\u{F6}]' + '|[\u{F8}-\u{37D}]|[\u{37F}-\u{1FFF}]' + '|[\u{200C}-\u{200D}]|[\u{203F}-\u{2040}]|[\u{2070}-\u{218F}]' + '|[\u{2C00}-\u{2FEF}]|[\u{3001}-\u{D7FF}]' + '|[\u{F900}-\u{FDCF}]|[\u{FDF0}-\u{FFFD}]|[\u{10000}-\u{EFFFF}]'; const PCEN = new RegExp(`^[a-z](${PCENChar})*-(${PCENChar})*$`, 'u'); const reservedNames = [ 'annotation-xml', 'color-profile', 'font-face', 'font-face-src', 'font-face-uri', 'font-face-format', 'font-face-name', 'missing-glyph' ]; return PCEN.test(name) && !reservedNames.includes(name); } } exports.default = CustomElementRegistry; //# sourceMappingURL=CustomElementRegistry.cjs.map