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node_modules/rxjs/src/scheduler/animationFrame.ts
35 строк
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EvgeniyBudaev
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17 фев 2020, 09:02
17 фев 2020, 09:02
bb6f06f
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import { AnimationFrameAction } from './AnimationFrameAction'; import { AnimationFrameScheduler } from './AnimationFrameScheduler'; /** * * Animation Frame Scheduler * * <span class="informal">Perform task when `window.requestAnimationFrame` would fire</span> * * When `animationFrame` scheduler is used with delay, it will fall back to {@link async} scheduler * behaviour. * * Without delay, `animationFrame` scheduler can be used to create smooth browser animations. * It makes sure scheduled task will happen just before next browser content repaint, * thus performing animations as efficiently as possible. * * @example <caption>Schedule div height animation</caption> * const div = document.querySelector('.some-div'); * * Rx.Scheduler.schedule(function(height) { * div.style.height = height + "px"; * * this.schedule(height + 1); // `this` references currently executing Action, * // which we reschedule with new state * }, 0, 0); * * // You will see .some-div element growing in height * * * @static true * @name animationFrame * @owner Scheduler */ export const animationFrame = new AnimationFrameScheduler(AnimationFrameAction);