code: function exif2css(orientation) {
    const s = `${orientation}`
    const transforms = transformsMap[s]
  
    const transform = expandTransform(transforms)
    const transformOrigin = transformOriginMap[s]
    const allTransforms = expandTransforms(transforms)
    const allTransformStrings = expandTransformStrings(transforms)
  
    const css = {}
    if (transform) {
      css['transform'] = transform
    }
    if (transformOrigin) {
      css['transform-origin'] = transformOrigin
    }
    if (allTransforms) {
      css['transforms'] = allTransforms
    }
    if (allTransformStrings) {
      css['transformStrings'] = allTransformStrings
    }
    return css
  }
docs: Takes the input EXIF orientation and returns the CSS rules needed to display the image correctly in the browser.
  @param {(number|string)} orientation The EXIF orientation.
  @returns {Exif2CssReturn} An object with `transform`, `transform-origin` (not shown in JSDoc because of hyphen), `transforms` and `transformStrings` properties.