timing-functions/dist/timing-functions.cjs.js

Set of universal utility functions around timing and scheduling in JavaScript

'use strict';

Object.defineProperty(exports, '__esModule', { value: true });

var _sleep = (function (time) {
    return new Promise(function (resolve) { return setTimeout(function () { return resolve(); }, time); });
});

var env = 'node';
if (typeof importScripts !== 'undefined') {
    env = 'worker';
}
else if (typeof window !== 'undefined') {
    env = 'browser';
}
var env$1 = env;

var frame = function () { return _sleep(0); };
if (env$1 === 'browser' && 'requestAnimationFrame' in window) {
    frame = function () {
        return new Promise(function (resolve) { return window.requestAnimationFrame(function () { return resolve(); }); });
    };
}
var _frame = frame;

var schedule;
if (env$1 === 'browser' && 'requestIdleCallback' in window) {
    schedule = function (maxTimeout) {
        return new Promise(function (resolve) {
            return window.requestIdleCallback(resolve, { timeout: maxTimeout });
        });
    };
}
else {
    // IdleDeadline stub
    var idleDeadline_1 = Object.freeze({
        didTimeout: true,
        timeRemaining: function () {
            return Infinity;
        }
    });
    // Does not support requestIdleCallback
    schedule = function (maxTimeout) {
        return _sleep((maxTimeout || 0) / 2).then(function () { return idleDeadline_1; });
    };
    if (env$1 === 'browser' && 'requestAnimationFrame' in window) {
        // But does support requestAnimationFrame
        var _schedule_1 = schedule;
        schedule = function () {
            return _schedule_1()
                .then(_frame)
                .then(function () { return idleDeadline_1; });
        };
    }
}
var _schedule = schedule;

var _timeout = (function (timeout, promise, message) {
    return Promise.race([
        promise,
        _sleep(timeout).then(function () { return new Error(message || "timed out after " + timeout + "ms"); }),
    ]);
});

var sleep = _sleep;
var frame$1 = _frame;
var schedule$1 = _schedule;
var timeout = _timeout;

exports.frame = frame$1;
exports.schedule = schedule$1;
exports.sleep = sleep;
exports.timeout = timeout;