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move history api feature detection to utils

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This commit is contained in:
Hakim El Hattab
2020-03-31 13:09:44 +02:00
parent dbbd82579e
commit e4faf54804
2 changed files with 6 additions and 2 deletions
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4
js/controllers/location.js
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@@ -1,3 +1,5 @@
import { supportsHistoryAPI } from '../utils/device.js'
/** /**
* Reads and writes the URL based on reveal.js' current state. * Reads and writes the URL based on reveal.js' current state.
*/ */
@@ -98,7 +100,7 @@ export default class Location {
else if( currentSlide ) { else if( currentSlide ) {
// If we're configured to push to history OR the history // If we're configured to push to history OR the history
// API is not avaialble. // API is not avaialble.
if( config.history || !window.history ) { if( config.history || supportsHistoryAPI === false ) {
window.location.hash = this.getHash(); window.location.hash = this.getHash();
} }
// If we're configured to reflect the current slide in the // If we're configured to reflect the current slide in the

2
js/utils/device.js
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@@ -13,3 +13,5 @@ export const isAndroid = /android/gi.test( UA );
// xbrowser quirks so we only use it in whitelisted browsers. // xbrowser quirks so we only use it in whitelisted browsers.
export const supportsZoom = 'zoom' in testElement.style && !isMobile && export const supportsZoom = 'zoom' in testElement.style && !isMobile &&
( isChrome || /Version\/[\d\.]+.*Safari/.test( UA ) ); ( isChrome || /Version\/[\d\.]+.*Safari/.test( UA ) );
export const supportsHistoryAPI = typeof window.history.replaceState === 'function' && !/PhantomJS/.test( UA );