35 lines
		
	
	
		
			797 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			35 lines
		
	
	
		
			797 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| 'use strict'
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| const fs = require('fs')
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| const path = require('path')
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| 
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| exports.isSQLite = function isSQLite (sequelize) {
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|   return sequelize.options.dialect === 'sqlite'
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| }
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| 
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| exports.getImageMimeType = function getImageMimeType (imagePath) {
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|   var fileExtension = /[^.]+$/.exec(imagePath)
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| 
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|   switch (fileExtension[0]) {
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|     case 'bmp':
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|       return 'image/bmp'
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|     case 'gif':
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|       return 'image/gif'
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|     case 'jpg':
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|     case 'jpeg':
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|       return 'image/jpeg'
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|     case 'png':
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|       return 'image/png'
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|     case 'tiff':
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|       return 'image/tiff'
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|     default:
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|       return undefined
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|   }
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| }
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| 
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| exports.isRevealTheme = function isRevealTheme (theme) {
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|   if (fs.existsSync(path.join(__dirname, '..', 'public', 'build', 'reveal.js', 'css', 'theme', theme + '.css'))) {
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|     return theme
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|   }
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|   return undefined
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| }
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