20 lines
724 B
JavaScript
20 lines
724 B
JavaScript
import { scheduleIdleTask } from './scheduleIdleTask'
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import { store } from '../_store/store'
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// Rough guess at whether this is a "mobile" device or not, for the purposes
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// of "device class" estimations
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const IS_MOBILE = process.browser && navigator.userAgent.match(/(?:iPhone|iPod|iPad|Android)/)
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// Run a task that doesn't need to be processed immediately, but should
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// probably be delayed if we're on a mobile device. Also run it sooner
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// if we're in a hidden tab, since browsers throttle or don't run setTimeout/rAF/etc.
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export function runMediumPriorityTask (fn) {
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if (store.get().pageVisibilityHidden) {
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fn()
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} else if (IS_MOBILE) {
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scheduleIdleTask(fn)
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} else {
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requestAnimationFrame(fn)
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}
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}
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