HackMD/lib/utils.js

'use strict'

exports.isSQLite = function isSQLite (sequelize) {
  return sequelize.options.dialect === 'sqlite'
}

exports.getImageMimeType = function getImageMimeType (imagePath) {
  var fileExtension = /[^.]+$/.exec(imagePath)

  switch (fileExtension[0]) {
    case "bmp":
      return "image/bmp"
    case "gif":
      return "image/gif"
    case "jpg":
    case "jpeg":
      return "image/jpeg"
    case "png":
      return "image/png"
    case "tiff":
      return "image/tiff"
    default:
      return undefined
  }
}