Zip and upload files from the `build` directory to the Chrome Webstore

deploy.js

require('shelljs/global');
require('dotenv').config();
const fs = require('fs');
const archiver = require('archiver');
const webstore = require('chrome-webstore-upload');
const fetch = require('isomorphic-fetch');

function createZip(path) {
  return new Promise((resolve, reject) => {
    var output = fs.createWriteStream(path);
    var archive = archiver.create('zip', {});

    output.on('close', function() {
      resolve();
    });

    archive.pipe(output);

    archive
      .directory(__dirname + '/../build/', false)
      .finalize();
  });
}

function getBranch() {
  return process.env.CI_COMMIT_REF_NAME || exec('git rev-parse --abbrev-ref HEAD', {silent:true}).trim();
}
function getConfig() {
  let configStr = process.env.DEPLOY_CONFIG;
  if (!configStr) {
    throw "Can not load deploy configuration.\n" +
        "If running locally, make sure you have a .env file in the project root.";
  }
  return JSON.parse(configStr);
}
function errorHandler(e) {
  console.error('Error', e);
  process.exit(1);
}


(function main() {
  let branch = getBranch();

  const deployConfig = getConfig();

  let config = deployConfig[branch];
  if (!config) {
    console.log(`No deploy target for branch "${branch}"`);
    return;
  }

  let manifest = JSON.parse(require('fs').readFileSync(__dirname + '/../build/manifest.json', 'utf8'));
  console.log(`Deploying version ${manifest.version} to extension '${config.extensionId}'`);
  const webstoreExtenstion = webstore(config);

  const buildPath = __dirname + '/../build.zip';
  createZip(buildPath).then(() => {
    const zipFile = fs.createReadStream(buildPath);

    const target = 'default'; // Can also be 'trustedTesters'
    webstoreExtenstion.fetchToken()
        .then(token =>
            webstoreExtenstion.uploadExisting(zipFile, token)
                .then(res => {
                  if (res.uploadState == 'SUCCESS') {
                    webstoreExtenstion.publish(target, token)
                        .then(res => console.log('Extension publish status: ', res.status));
                  } else {
                    console.error('Upload failed', res);
                    process.exit(1);
                  }
                }).catch(errorHandler)).catch(errorHandler);
  }).catch(errorHandler);
})();
(END)

sample.env

DEPLOY_CONFIG={"develop":{"extensionId": "DEV_EXTENSION_ID", "clientId": "CLIENT_ID", "clientSecret": "SECRET", "refreshToken": "TOKEN"}, "master":{"extensionId": "PROD_EXTENSION_ID", "clientId": "CLIENT_ID", "clientSecret": "SECRET", "refreshToken": "TOKEN"}}