Add typescript definitions file

example.html

@@ -1,25 +1,63 @@
+<script type="importmap">
+	{
+		"imports": {
+			"nyooom/render": "https://cdn.jsdelivr.net/npm/nyooom/render.js",
+			"controller-registry": "./src/controller-registry.js"
+		}
+	}
+</script>
+
 <script type="module">
-	import controllers from "./src/controller-registry.js"
-	import {html} from "https://cdn.jsdelivr.net/npm/nyooom/render.js"
+	// Import nyooom to easily generate HTML nodes
+	import {html} from "nyooom/render"
 
-	Object.defineProperty(HTMLElement.prototype, "controllers", {
-		get() { return controllers.list(this) }
+	// The actual library
+	import controllers from "controller-registry"
+
+	// Define a basic word filter controller for input elements
+	controllers.define("filter", (element, detach) => {
+		element.addEventListener("input", event => {
+			if (element.value.toLowerCase() === "scunthorpe") {
+				element.value = ""
+				alert("Evil word detected, deleting input permanently!")
+			}
+		}, detach) // Alternatively: {signal: detach.signal}
 	})
 
-	controllers.define("red", async (element, disconnected) => {
-		const before = element.style.color
-		element.style.color = "red"
-		element.addEventListener("click", () => element.controllers.remove("red"), disconnected)
-		await disconnected
-		element.style.color = before
-	})
-
-	controllers.define("asterisk", async (element, disconnected) => {
-		const asterisk = html.span("*", {controller: ["red"]})
-		element.append(asterisk)
-		await disconnected
-		asterisk.remove()
+	// Define a more complex filter for form elements to enable or disable filters
+	controllers.define("optional-filter", async (element, detach) => {
+		const checkBox = html.div(html.label(
+			html.input({
+				type: "checkbox",
+				checked: true,
+				input: ({target: {checked}}) => {
+					element
+						.querySelectorAll("input:not([type='checkbox'])")
+						.forEach(input => controllers.list(input).toggle("filter", checked))
+				}
+			}),
+			html.span("Enable filter")
+		))
+		element.append(checkBox)
+		// Detach is a promise, so we can just pause the function until
+		// it's time for cleanup to happen
+		await detach
+		checkBox.remove()
 	})
 </script>
 
-<h1 controller="asterisk">Hello, World!</h1>
+<style>
+	[controller~="filter"] {
+		outline: 3px solid #82f6;
+		border-radius: .2em;
+	}
+</style>
+
+<form controller="optional-filter">
+	<div>
+		<label>
+			<span>Where are you from?</span>
+			<input controller="filter"></input>
+		</label>
+	</div>
+</form>

jsconfig.json

@@ -0,0 +1,7 @@
+{
+	"compilerOptions": {
+		"target": "esnext",
+		"allowJs": true,
+		"checkJs": true
+	}
+}

package.json

@@ -0,0 +1,13 @@
+{
+	"name": "controller-registry",
+	"exports": {
+		".": "./src/controller-registry.js",
+	},
+	"type": "module",
+	"license": "MIT",
+	"version": "0.0.1",
+	"url": "https://git.but.gay/darkwiiplayer/controller-registry",
+	"scripts": {
+		"definitions": "tsc src/*.js --declaration --allowJs --emitDeclarationOnly"
+	}
+}

src/controller-registry.d.ts

@@ -0,0 +1,48 @@
+export class ControllerList {
+    /**
+    * @param {HTMLElement} element
+    * @param {String} attribute
+    * */
+    constructor(element: HTMLElement, attribute?: string);
+    /** @param {String} name */
+    contains(name: string): any;
+    /** @param {String} name */
+    add(name: string): void;
+    /** @param {String} name */
+    remove(name: string): void;
+    /**
+     * @param {String} name
+     * @param {String} replacement
+     */
+    replace(name: string, replacement: string): boolean;
+    /**
+     * @param {String} name
+     * @param {Boolean} force
+     */
+    toggle(name: string, force: boolean): void;
+    #private;
+}
+export class ControllerRegistry {
+    /** @typedef {HTMLElement} Root */
+    /**
+     * @param {Root} root
+     * @param {String} attribute
+     */
+    constructor(root: HTMLElement, attribute?: string);
+    /**
+     * @param {Root} root
+     */
+    upgrade(root: HTMLElement): void;
+    /**
+     * @param {String} name
+     * @param {Function} callback
+     */
+    define(name: string, callback: Function): void;
+    get(name: any): any;
+    list(element: any): any;
+    getName(controller: any): void;
+    whenDefined(name: any): void;
+    #private;
+}
+declare const _default: ControllerRegistry;
+export default _default;

src/controller-registry.js

@@ -22,18 +22,25 @@ export class ControllerList {
 		this.#element.setAttribute(this.#attribute, [...set].join(" "))
 	}
 
+	/** @param {String} name */
 	contains(name) {
 		return this.#set.has(name)
 	}
 
+	/** @param {String} name */
 	add(name) {
 		this.toggle(name, true)
 	}
 
+	/** @param {String} name */
 	remove(name) {
 		this.toggle(name, false)
 	}
 
+	/**
+	 * @param {String} name
+	 * @param {String} replacement
+	 */
 	replace(name, replacement) {
 		const set = this.#set
 		if (set.has(name)) {
@@ -46,6 +53,10 @@ export class ControllerList {
 		}
 	}
 
+	/**
+	 * @param {String} name
+	 * @param {Boolean} force
+	 */
 	toggle(name, force) {
 		const set = this.#set
 		if (force === true) {
@@ -83,29 +94,42 @@ export class ControllerRegistry {
 	/** @type {WeakMap<HTMLElement,Map<String,Object>>} */
 	#attached = new WeakMap()
 
-	/** @type {Map<String,Set<HTMLElement>} */
+	/** @type {Map<String,Set<HTMLElement>>} */
 	#waiting = new Map()
 
-	/** @type {Map<Strong,(HTMLElement, AbortSignal)=>void>} */
+	/** @type {Map<String,(element: HTMLElement, signal: AbortSignal)=>void>} */
 	#defined = new Map()
 
 	#attribute
 
+	/** @typedef {HTMLElement} Root */
+
+	/**
+	 * @param {Root} root
+	 * @param {String} attribute
+	 */
 	constructor(root, attribute="controller") {
 		this.#attribute = attribute
 		this.#observer.observe(root, {subtree: true, childList: true, attributes: true, attributeFilter: [attribute], attributeOldValue: false})
 		this.upgrade(root)
 	}
 
+	/**
+	 * @param {Root} root
+	 */
 	upgrade(root) {
 		root.querySelectorAll(`[${this.#attribute}]`).forEach(element => this.#update(element))
 	}
 
+	/**
+	 * @param {String} name
+	 * @param {Function} callback
+	 */
 	define(name, callback) {
 		if (("function" == typeof callback) && callback.prototype) {
 			callback = async (element, disconnected) => {
-				const {proxy, revoke} = Proxy.reevocable(element)
-				const controller = new callback(proxy)
+				const {proxy, revoke} = Proxy.revocable(element, {})
+				const controller = new callback(proxy, disconnected)
 				await disconnected
 				revoke()
 				if ("detach" in controller) controller.detach(element)
@@ -126,8 +150,15 @@ export class ControllerRegistry {
 		return this.#defined.get(name)
 	}
 
+	#listMap = new WeakMap()
 	list(element) {
-		return new ControllerList(element, this.#attribute)
+		if (this.#listMap.has(element)) {
+			return this.#listMap.get(element)
+		} else {
+			const list = new ControllerList(element, this.#attribute)
+			this.#listMap.set(element, list)
+			return list
+		}
 	}
 
 	getName(controller) {