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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 544x 544x 984x 232x 232x 232x 544x 544x 544x 430x 430x 544x 2x 2x 2x 2x 2x 2x 2x 2x 407x 407x 407x 407x 188x 188x 407x 407x 407x 407x 407x 407x 407x 407x | /** @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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