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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 | 2x 2x 2x 2x 2x 2x 2x 2x 2x 422x 422x 584x 120x 120x 120x 422x 422x 422x 268x 268x 422x 2x 2x 2x 2x 2x 2x 2x 2x 331x 331x 331x 331x 200x 200x 331x 331x 331x 331x 331x 331x 166x 166x 331x 331x | /** @import { TaskCallback, Task, TaskEntry } from '#client' */
import { raf } from './timing.js';
// TODO move this into timing.js where it probably belongs
/**
* @param {number} now
* @returns {void}
*/
function run_tasks(now) {
raf.tasks.forEach((task) => {
if (!task.c(now)) {
raf.tasks.delete(task);
task.f();
}
});
if (raf.tasks.size !== 0) {
raf.tick(run_tasks);
}
}
/**
* Creates a new task that runs on each raf frame
* until it returns a falsy value or is aborted
* @param {TaskCallback} callback
* @returns {Task}
*/
export function loop(callback) {
/** @type {TaskEntry} */
let task;
if (raf.tasks.size === 0) {
raf.tick(run_tasks);
}
return {
promise: new Promise((fulfill) => {
raf.tasks.add((task = { c: callback, f: fulfill }));
}),
abort() {
raf.tasks.delete(task);
}
};
}
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