image-downloader/index.js

A Nodejs module for downloading image to disk from a given URL

const path = require('path');
const request = require('./lib/request');

module.exports.image = ({ extractFilename = true, ...options } = {}) => {
  if (!options.url) {
    return Promise.reject(new Error('The options.url is required'));
  }

  if (!options.dest) {
    return Promise.reject(new Error('The options.dest is required'));
  }

  if (extractFilename) {
    if (!path.extname(options.dest)) {
      const url = new URL(options.url);
      const pathname = url.pathname;
      const basename = path.basename(pathname);
      const decodedBasename = decodeURIComponent(basename);

      options.dest = path.join(options.dest, decodedBasename);
    }
  }

  if (!path.isAbsolute(options.dest)) {
    options.dest = path.resolve(__dirname, options.dest);
  }

  return request(options);
};