mirror of
https://github.com/Doodle3D/Doodle3D-API
synced 2024-12-23 22:13:48 +01:00
80 lines
2.1 KiB
JavaScript
80 lines
2.1 KiB
JavaScript
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/* */
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(function(process) {
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'use strict';
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var $ = require("./$"),
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ctx = require("./$.ctx"),
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cof = require("./$.cof"),
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invoke = require("./$.invoke"),
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cel = require("./$.dom-create"),
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global = $.g,
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isFunction = $.isFunction,
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html = $.html,
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process = global.process,
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setTask = global.setImmediate,
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clearTask = global.clearImmediate,
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MessageChannel = global.MessageChannel,
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counter = 0,
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queue = {},
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ONREADYSTATECHANGE = 'onreadystatechange',
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defer,
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channel,
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port;
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function run() {
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var id = +this;
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if ($.has(queue, id)) {
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var fn = queue[id];
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delete queue[id];
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fn();
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}
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}
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function listner(event) {
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run.call(event.data);
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}
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if (!isFunction(setTask) || !isFunction(clearTask)) {
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setTask = function(fn) {
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var args = [],
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i = 1;
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while (arguments.length > i)
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args.push(arguments[i++]);
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queue[++counter] = function() {
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invoke(isFunction(fn) ? fn : Function(fn), args);
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};
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defer(counter);
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return counter;
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};
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clearTask = function(id) {
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delete queue[id];
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};
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if (cof(process) == 'process') {
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defer = function(id) {
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process.nextTick(ctx(run, id, 1));
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};
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} else if (global.addEventListener && isFunction(global.postMessage) && !global.importScripts) {
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defer = function(id) {
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global.postMessage(id, '*');
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};
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global.addEventListener('message', listner, false);
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} else if (isFunction(MessageChannel)) {
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channel = new MessageChannel;
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port = channel.port2;
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channel.port1.onmessage = listner;
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defer = ctx(port.postMessage, port, 1);
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} else if (ONREADYSTATECHANGE in cel('script')) {
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defer = function(id) {
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html.appendChild(cel('script'))[ONREADYSTATECHANGE] = function() {
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html.removeChild(this);
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run.call(id);
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};
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};
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} else {
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defer = function(id) {
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setTimeout(ctx(run, id, 1), 0);
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};
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}
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}
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module.exports = {
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set: setTask,
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clear: clearTask
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};
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})(require("process"));
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