corrade-nucleus-nucleons – Blame information for rev 20
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Rev | Author | Line No. | Line |
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20 | office | 1 | "use strict"; |
2 | var util = require("./util"); |
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3 | var schedule; |
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4 | var noAsyncScheduler = function() { |
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5 | throw new Error("No async scheduler available\u000a\u000a See http://goo.gl/MqrFmX\u000a"); |
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6 | }; |
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7 | var NativePromise = util.getNativePromise(); |
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8 | if (util.isNode && typeof MutationObserver === "undefined") { |
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9 | var GlobalSetImmediate = global.setImmediate; |
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10 | var ProcessNextTick = process.nextTick; |
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11 | schedule = util.isRecentNode |
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12 | ? function(fn) { GlobalSetImmediate.call(global, fn); } |
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13 | : function(fn) { ProcessNextTick.call(process, fn); }; |
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14 | } else if (typeof NativePromise === "function" && |
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15 | typeof NativePromise.resolve === "function") { |
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16 | var nativePromise = NativePromise.resolve(); |
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17 | schedule = function(fn) { |
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18 | nativePromise.then(fn); |
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19 | }; |
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20 | } else if ((typeof MutationObserver !== "undefined") && |
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21 | !(typeof window !== "undefined" && |
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22 | window.navigator && |
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23 | (window.navigator.standalone || window.cordova))) { |
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24 | schedule = (function() { |
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25 | var div = document.createElement("div"); |
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26 | var opts = {attributes: true}; |
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27 | var toggleScheduled = false; |
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28 | var div2 = document.createElement("div"); |
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29 | var o2 = new MutationObserver(function() { |
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30 | div.classList.toggle("foo"); |
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31 | toggleScheduled = false; |
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32 | }); |
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33 | o2.observe(div2, opts); |
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34 | |||
35 | var scheduleToggle = function() { |
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36 | if (toggleScheduled) return; |
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37 | toggleScheduled = true; |
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38 | div2.classList.toggle("foo"); |
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39 | }; |
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40 | |||
41 | return function schedule(fn) { |
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42 | var o = new MutationObserver(function() { |
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43 | o.disconnect(); |
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44 | fn(); |
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45 | }); |
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46 | o.observe(div, opts); |
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47 | scheduleToggle(); |
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48 | }; |
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49 | })(); |
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50 | } else if (typeof setImmediate !== "undefined") { |
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51 | schedule = function (fn) { |
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52 | setImmediate(fn); |
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53 | }; |
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54 | } else if (typeof setTimeout !== "undefined") { |
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55 | schedule = function (fn) { |
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56 | setTimeout(fn, 0); |
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57 | }; |
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58 | } else { |
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59 | schedule = noAsyncScheduler; |
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60 | } |
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61 | module.exports = schedule; |