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| author | ruki <waruqi@gmail.com> | 2018-11-08 00:38:48 +0800 |
|---|---|---|
| committer | ruki <waruqi@gmail.com> | 2018-11-07 21:53:09 +0800 |
| commit | 26105034da4fcce7ac883c899d781f016559310d (patch) | |
| tree | c459a5dc4e3aa0972d9919033ece511ce76dd129 /node_modules/core-js/modules/_task.js | |
| parent | 2c77f00f1a7ecb6c8192f9c16d3b2001b254a107 (diff) | |
| download | xmake-docs-26105034da4fcce7ac883c899d781f016559310d.tar.gz xmake-docs-26105034da4fcce7ac883c899d781f016559310d.zip | |
switch to vuepress
Diffstat (limited to 'node_modules/core-js/modules/_task.js')
| -rw-r--r-- | node_modules/core-js/modules/_task.js | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/node_modules/core-js/modules/_task.js b/node_modules/core-js/modules/_task.js new file mode 100644 index 00000000..8777a6e2 --- /dev/null +++ b/node_modules/core-js/modules/_task.js @@ -0,0 +1,84 @@ +var ctx = require('./_ctx'); +var invoke = require('./_invoke'); +var html = require('./_html'); +var cel = require('./_dom-create'); +var global = require('./_global'); +var process = global.process; +var setTask = global.setImmediate; +var clearTask = global.clearImmediate; +var MessageChannel = global.MessageChannel; +var Dispatch = global.Dispatch; +var counter = 0; +var queue = {}; +var ONREADYSTATECHANGE = 'onreadystatechange'; +var defer, channel, port; +var run = function () { + var id = +this; + // eslint-disable-next-line no-prototype-builtins + if (queue.hasOwnProperty(id)) { + var fn = queue[id]; + delete queue[id]; + fn(); + } +}; +var listener = function (event) { + run.call(event.data); +}; +// Node.js 0.9+ & IE10+ has setImmediate, otherwise: +if (!setTask || !clearTask) { + setTask = function setImmediate(fn) { + var args = []; + var i = 1; + while (arguments.length > i) args.push(arguments[i++]); + queue[++counter] = function () { + // eslint-disable-next-line no-new-func + invoke(typeof fn == 'function' ? fn : Function(fn), args); + }; + defer(counter); + return counter; + }; + clearTask = function clearImmediate(id) { + delete queue[id]; + }; + // Node.js 0.8- + if (require('./_cof')(process) == 'process') { + defer = function (id) { + process.nextTick(ctx(run, id, 1)); + }; + // Sphere (JS game engine) Dispatch API + } else if (Dispatch && Dispatch.now) { + defer = function (id) { + Dispatch.now(ctx(run, id, 1)); + }; + // Browsers with MessageChannel, includes WebWorkers + } else if (MessageChannel) { + channel = new MessageChannel(); + port = channel.port2; + channel.port1.onmessage = listener; + defer = ctx(port.postMessage, port, 1); + // Browsers with postMessage, skip WebWorkers + // IE8 has postMessage, but it's sync & typeof its postMessage is 'object' + } else if (global.addEventListener && typeof postMessage == 'function' && !global.importScripts) { + defer = function (id) { + global.postMessage(id + '', '*'); + }; + global.addEventListener('message', listener, false); + // IE8- + } else if (ONREADYSTATECHANGE in cel('script')) { + defer = function (id) { + html.appendChild(cel('script'))[ONREADYSTATECHANGE] = function () { + html.removeChild(this); + run.call(id); + }; + }; + // Rest old browsers + } else { + defer = function (id) { + setTimeout(ctx(run, id, 1), 0); + }; + } +} +module.exports = { + set: setTask, + clear: clearTask +}; |
