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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 550x 550x 862x 346x 346x 346x 550x 550x 550x 338x 338x 550x 2x 2x 2x 2x 2x 2x 2x 2x 409x 409x 409x 409x 216x 216x 409x 409x 409x 409x 409x 409x 409x 409x | /** @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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