@applicaster/zapplicaster-cli/src/shell/index.js

CLI Tool for the zapp app and Quick Brick project

const { exec, mv, rm } = require("shelljs");
const R = require("ramda");
const logger = require("../logger");

const getFileName = R.compose(R.last, R.split("/"));

/**
 * runs a command in the shell. Will throw if exit code > 0
 * @param {String} cmd command to run
 */
function runInShell(cmd) {
  const { code, stdErr } = exec(cmd);

  if (code > 0) {
    throw new Error(`Shell execution failed for ${cmd} - ${stdErr}`);
  }
}

/**
 * runs a command in the shell and returns a promise which resolves with stout if
 * exit code > 0 or rejects with stderr otherwise
 * @param {String} cmd command to run
 * @param {Object} options to pass to the shell command
 * @returns {Promise<String>}
 */
function runInShellAsync(cmd, options) {
  return new Promise((resolve, reject) => {
    exec(cmd, options, (code, stdout, stderr) => {
      if (code === 0) {
        resolve(stdout.replace(/[\r\n]/, ""));
      } else {
        reject(stderr);
      }
    });
  });
}

/**
 * download a single file using cURL, and put it in the destination folder
 * @param {String} url of the file to download
 * @param {String} destination folder to put the files into
 */
function curlFile(url, destination) {
  logger.log(`downloading ${url} with cURL`);

  const fileName = getFileName(url);
  runInShell(`curl -O ${url}`);
  mv(fileName, destination);
}

/**
 * downloads multiple files from a given remote folder into the destination folder
 * @param {String} remoteFolder url of the remote folder
 * @param {[String]} files array of file names to download
 * @param {String} destination folder to put files into
 */
function curlMultipleFiles(remoteFolder, files, destination) {
  const urls = R.compose(
    R.concat(R.__, "}"),
    R.concat(remoteFolder),
    R.concat("/{"),
    R.join(",")
  )(files);

  logger.log(`downloading ${urls} with cURL`);

  runInShell(`curl -O --remote-name-all ${urls}`);
  R.forEach((file) => mv(file, destination), files);
}

/**
 * unzips a file in the destination path, and removes the zip
 * @param {String} file to unzip
 * @param {String} destinationPath to unpack the files
 */
function unzip(file, destinationPath) {
  try {
    logger.log(`unpacking ${file}`);
    runInShell(`unzip -o ${file} -d ${destinationPath}`);
    rm(file);
  } catch (e) {
    logger.warn(
      "An error occured while unzipping assets - you may have to do this manually"
    );
  }
}

module.exports = {
  curlFile,
  curlMultipleFiles,
  unzip,
  runInShellAsync,
};