@uppy/utils/src/isPreviewSupported.test.ts

Shared utility functions for Uppy Core and plugins maintained by the Uppy team.

import { describe, expect, it } from 'vitest'
import isPreviewSupported from './isPreviewSupported.js'

describe('isPreviewSupported', () => {
  it('should return true for any filetypes that browsers can preview', () => {
    const supported = [
      'image/jpeg',
      'image/gif',
      'image/png',
      'image/svg',
      'image/svg+xml',
      'image/bmp',
      'image/jpg',
      'image/webp',
      'image/avif',
    ]
    supported.forEach((ext) => {
      expect(isPreviewSupported(ext)).toEqual(true)
    })
    expect(isPreviewSupported('foo')).toEqual(false)
  })
})