techno-express/node-7z

'use strict';
const when = require('when'),
  u = {
    files: require('../util/files'),
    run: require('../util/run'),
    switches: require('../util/switches'),
  };

/**
 * Delete content to an archive.
 * @promise Delete
 * @param archive {string} Path to the archive.
 * @param files {string|array} Files to add.
 * @param options {Object} An object of acceptable 7-zip switch options.
 * @resolve {array} Arguments passed to the child-process.
 * @reject {Error} The error as issued by 7-Zip.
 */
module.exports = function (archive, files, options) {
  return when.promise(function (resolve, reject) {

    // Convert array of files into a string if needed.
    files = u.files(files);

    // Create a string that can be parsed by `run`.
    let command = '7za d "' + archive + '" ' + files;

    // Start the command
    u.run(command, options)

      // When all is done resolve the Promise.
      .then(function (args) {
        return resolve(args);
      })

      // Catch the error and pass it to the reject function of the Promise.
      .catch(function (err) {
        return reject(err);
      });

  });
};