GhostStoragePreprocessorSqipTransform

GhostStoragePreprocessorSqipTransform.ts

module.exports = class GhostStoragePreprocessorSqipTransform implements IGhostStoragePreprocessorTransform {
  public async save(image: Image, targetDir?: string) {
    const res = sqip({ filename: image.path })
    const sqipPath = image.path + '.sqip.svg'
    const sqipImage = Object.assign({}, image, {
      name: image.name + '.sqip.svg',
      path: sqipPath,
      mimetype: 'image/svg',
      type: 'image/svg'
    })
    await new Promise((resolve, reject) =>
      fs.writeFile(sqipPath, res.final_svg, (err) => err ? reject(err) : resolve()))
    return [
      [image, targetDir],
      [sqipImage, targetDir]
    ] as [Image, string][]
  }

  public async delete(image: Image, targetDir?: string) {
    return []
  }
}