Convert src/runtime/internal/loop.ts to JavaScript

src/runtime/internal/loop.ts

@@ -1,42 +1,36 @@
 import { raf } from './environment';
-
+const tasks = new Set();
-export interface Task {
+/** @param {number} now
-	abort(): void;
+ * @returns {void}
-	promise: Promise<void>;
+ */
-}
+function run_tasks(now) {
-
-type TaskCallback = (now: number) => boolean | void;
-type TaskEntry = { c: TaskCallback; f: () => void };
-
-const tasks = new Set<TaskEntry>();
-
-function run_tasks(now: number) {
     tasks.forEach((task) => {
         if (!task.c(now)) {
             tasks.delete(task);
             task.f();
         }
     });
-
+    if (tasks.size !== 0)
-	if (tasks.size !== 0) raf(run_tasks);
+        raf(run_tasks);
 }
-
 /**
  * For testing purposes only!
+ * @returns {void}
  */
 export function clear_loops() {
     tasks.clear();
 }
-
 /**
  * Creates a new task that runs on each raf frame
  * until it returns a falsy value or is aborted
+ * @param {TaskCallback} callback
+ * @returns {import("/Users/elliottjohnson/dev/sveltejs/svelte/loop.ts-to-jsdoc").Task}
  */
-export function loop(callback: TaskCallback): Task {
+export function loop(callback) {
-	let task: TaskEntry;
+    /** @type {TaskEntry} */
-
+    let task;
-	if (tasks.size === 0) raf(run_tasks);
+    if (tasks.size === 0)
-
+        raf(run_tasks);
     return {
         promise: new Promise((fulfill) => {
             tasks.add((task = { c: callback, f: fulfill }));
@@ -46,3 +40,11 @@ export function loop(callback: TaskCallback): Task {
         }
     };
 }
+
+
+/** @typedef {(now: number) => boolean | void} TaskCallback */
+/** @typedef {{ c: TaskCallback; f: () => void }} TaskEntry */
+
+/** @typedef {Object} Task
+ * @property {Promise<void>} promise 
+ */