@indiekit/endpoint-media/lib/media-transform.js

Micropub media endpoint for Indiekit. Enables publishing media files (audio, photos, videos) to your website using the Micropub protocol.

import sharp from "sharp";

/**
 * Apply media transformation
 * @param {object} imageProcessing - Sharp image processing options
 * @param {object} file - File
 * @returns {Promise<object>} Media file
 */
export const mediaTransform = async (imageProcessing, file) => {
  // Function currently only supports transforming images
  if (!file.mimetype.includes("image/")) {
    return file;
  }

  const { resize } = imageProcessing;

  file.data = await sharp(file.data).rotate().resize(resize).toBuffer();

  return file;
};