44 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
			
		
		
	
	
			44 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
| import { supportsPassiveEvents } from 'detect-passive-events';
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| import { forceSingleColumn } from 'flavours/glitch/initial_state';
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| 
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| const LAYOUT_BREAKPOINT = 630;
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| 
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| export const isMobile = width => width <= LAYOUT_BREAKPOINT;
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| 
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| export const layoutFromWindow = (layout_local_setting) => {
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|   switch (layout_local_setting) {
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|   case 'multiple':
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|     return 'multi-column';
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|   case 'single':
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|     if (isMobile(window.innerWidth)) {
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|       return 'mobile';
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|     } else {
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|       return 'single-column';
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|     }
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|   default:
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|     if (isMobile(window.innerWidth)) {
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|       return 'mobile';
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|     } else if (forceSingleColumn) {
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|       return 'single-column';
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|     } else {
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|       return 'multi-column';
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|     }
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|   }
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| };
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| 
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| const iOS = /iPad|iPhone|iPod/.test(navigator.userAgent) && !window.MSStream;
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| 
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| let userTouching = false;
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| let listenerOptions = supportsPassiveEvents ? { passive: true } : false;
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| 
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| const touchListener = () => {
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|   userTouching = true;
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|   window.removeEventListener('touchstart', touchListener, listenerOptions);
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| };
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| 
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| window.addEventListener('touchstart', touchListener, listenerOptions);
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| 
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| export const isUserTouching = () => userTouching;
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| 
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| export const isIOS = () => iOS;
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