mirror of
https://github.com/koel/koel
synced 2024-12-25 20:13:06 +00:00
46 lines
1.2 KiB
TypeScript
46 lines
1.2 KiB
TypeScript
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import isMobile from 'ismobilejs'
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/**
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* Check if AudioContext is supported by the current browser.
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*/
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export const isAudioContextSupported: boolean = ((): boolean => {
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// Apple devices just don't love AudioContext that much.
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if (isMobile.apple.device) {
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return false
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}
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const ContextClass = window.AudioContext ||
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window.webkitAudioContext ||
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window.mozAudioContext ||
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window.oAudioContext ||
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window.msAudioContext
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if (!ContextClass) {
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return false
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}
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// Safari (MacOS & iOS alike) has webkitAudioContext, but is buggy.
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// @link http://caniuse.com/#search=audiocontext
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if (!(new ContextClass()).createMediaElementSource) {
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return false
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}
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return true
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})()
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/**
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* Checks if HTML5 clipboard can be used.
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*/
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export const isClipboardSupported: boolean = 'execCommand' in document
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/**
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* Checks if Media Session API is supported.
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*/
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export const isMediaSessionSupported: boolean = 'mediaSession' in navigator
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/**
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* Checks if the browser supports reading (and thus uploading) a whole directory.
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*/
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export const isDirectoryReadingSupported: boolean = window.DataTransferItem &&
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typeof window.DataTransferItem.prototype.webkitGetAsEntry === 'function'
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