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chore(): use native raf/setTimeout

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Adam Bradley
2016-04-05 14:31:00 -05:00
parent 5cb319f619
commit 200f2e5e10
1 changed files with 6 additions and 3 deletions
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9
ionic/util/dom.ts
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@ -24,9 +24,12 @@
} }
})(); })();
export const raf = window.requestAnimationFrame.bind(window); // use native raf rather than the zone wrapped one
export const raf = (window[window['Zone']['__symbol__']('requestAnimationFrame')] || window[window['Zone']['__symbol__']('webkitRequestAnimationFrame')])['bind'](window);
export const cancelRaf = window.cancelAnimationFrame.bind(window); export const cancelRaf = window.cancelAnimationFrame.bind(window);
export const nativeTimeout = window[window['Zone']['__symbol__']('setTimeout')]['bind'](window);
export const clearNativeTimeout = window[window['Zone']['__symbol__']('clearTimeout')]['bind'](window);
export function rafFrames(framesToWait, callback) { export function rafFrames(framesToWait, callback) {
framesToWait = Math.ceil(framesToWait); framesToWait = Math.ceil(framesToWait);
@ -35,9 +38,9 @@ export function rafFrames(framesToWait, callback) {
raf(callback); raf(callback);
} else { } else {
setTimeout(() => { nativeTimeout(() => {
raf(callback); raf(callback);
}, (framesToWait - 1) * 17); }, (framesToWait - 1) * 16.6667);
} }
} }