iitcp/build.js

IITC Plugin creator and developer tools

const fs = require('fs');
const async = require('async');
const path = require('path');

module.exports = function(iitcp_config) {
  return new Promise((resolve, reject) => {
    iitcp_config =
      iitcp_config ||
      JSON.parse(fs.readFileSync(process.cwd() + '/iitcp_config.json'));
    const source = iitcp_config.path + '/code/',
      destination = `${iitcp_config.path}/build/${iitcp_config.dir}.user.js`;
    fs.readFile(iitcp_config.path + '/header/header.js', (err, hData) => {
      if (err) return reject(err);
      const header = hData;
      fs.readdir(source, (err, files) => {
        if (err) return reject(err);
        files = files.map(file => path.join(source, file));
        //Read all files in parallel
        async.map(files, fs.readFile, (err, results) => {
          if (err) return reject(err);
          //Write the joined results to destination
          const code = iitcp_config.GM_sandbox
            ? header +
              '\n\n' +
              results.join('\n') +
              `
(function iitc_is_loaded() {
  if (unsafeWindow.iitcLoaded) {
    setup();
  } else {
    setTimeout(iitc_is_loaded, 100);
  }
})();
`
            : `${header}

function wrapper(plugin_info) {
  ${results.join('\n')}

  setup.info = plugin_info;
  window.bootPlugins = window.bootPlugins || [];
  window.bootPlugins.push(setup);
  if (window.iitcLoaded && typeof setup === 'function') setup();
}
var script = document.createElement('script');
var info = {};
if (typeof GM_info !== 'undefined' && GM_info && GM_info.script) {
  info.script = {
    version: GM_info.script.version,
    name: GM_info.script.name,
    description: GM_info.script.description
  };
}
var textContent = document.createTextNode(
  '(' + wrapper + ')(' + JSON.stringify(info) + ')'
);
script.appendChild(textContent);
(document.body || document.head || document.documentElement).appendChild(script);
`;
          fs.writeFile(destination, code, err => {
            if (err) return reject(err);
            resolve();
          });
        });
      });
    });
  });
};