move history api feature detection to utils
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@ -1,3 +1,5 @@
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import { supportsHistoryAPI } from '../utils/device.js'
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/**
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* Reads and writes the URL based on reveal.js' current state.
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*/
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@ -98,7 +100,7 @@ export default class Location {
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else if( currentSlide ) {
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// If we're configured to push to history OR the history
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// API is not avaialble.
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if( config.history || !window.history ) {
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if( config.history || supportsHistoryAPI === false ) {
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window.location.hash = this.getHash();
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}
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// If we're configured to reflect the current slide in the
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@ -12,4 +12,6 @@ export const isAndroid = /android/gi.test( UA );
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// up slides. Zoom produces crisper results but has a lot of
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// xbrowser quirks so we only use it in whitelisted browsers.
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export const supportsZoom = 'zoom' in testElement.style && !isMobile &&
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( isChrome || /Version\/[\d\.]+.*Safari/.test( UA ) );
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( isChrome || /Version\/[\d\.]+.*Safari/.test( UA ) );
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export const supportsHistoryAPI = typeof window.history.replaceState === 'function' && !/PhantomJS/.test( UA );
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