update-applications.js

/* eslint-disable no-console */
const types = [
  {
    name: 'BOTS',
  },
  {
    name: 'BROWSERS',
    hasSubElements: true,
    needsDeviceConstants: true,
    needsBrowserConstants: true,
  },
  {
    name: 'OTHERS',
    hasSubElements: true,
    needsDeviceConstants: true,
    needsBrowserConstants: true,
  },
];
const request = require('request');
const fs = require('fs');
const path = require('path');

types.forEach((type) => {
  console.log(`Updating application-${type.name.toLowerCase()}...`);
  const filepath = path.join(__dirname, `../data/applications-${type.name.toLowerCase()}.js`);
  const fileStream = fs.createWriteStream(filepath);
  request(
    `https://raw.githubusercontent.com/WhichBrowser/Parser/master/data/applications-${type.name.toLowerCase()}.php`,
    (err, response = {}) => {
      if (err) {
        return;
      }

      let result = response.body.match(/\[[\s\S]*\]/)[0];

      // Remove => and add :
      result = result
        .replace(/\[(.*)]/g, '{$1}')
        .replace(/'(.*?)'.*?=>.*?('.*?'|\d+|Constants[\w\\:]*[A-Z]|true|false)/g, '$1: $2');
      // remove ' from regex borders
      result = result.replace(/regexp:.+?'(.*?)'/g, 'regexp: $1');

      // Fixing regex eg. /Yahoo\! Mindset/u -> /Yahoo! Mindset/u and /jsRSS++\/([0-9.]*)/u -> /jsRSS\+\+\/([0-9.]*)/u
      result = result.replace(/\\!/g, '!').replace(/(regexp:\s+?.*?)\+\+(.*?)/g, '$1\\+\\+$2');

      if (type.hasSubElements) {
        result = result.replace(/^\[/, '{');
        result = result.replace(/]$/, '}');
        if (type.needsBrowserConstants) {
          result = result.replace(/Constants\\BrowserType::(.*?)\s?=>/g, '[BrowserType.$1]: ');
        }
        if (type.needsDeviceConstants) {
          result = result.replace(/Constants\\DeviceType::(\w+)/g, 'DeviceType.$1');
        }
      }
      // Write down file
      fileStream.write('/* This file is automatically generated, do not edit manually! */\n\n');
      fileStream.write('/* eslint-disable */\n\n');
      type.needsDeviceConstants &&
        fileStream.write("const DeviceType = require('../src/constants').deviceType;\n\n");
      type.needsBrowserConstants &&
        fileStream.write("const BrowserType = require('../src/constants').browserType;\n\n");
      fileStream.write(`exports.${type.name} = ${result};\n\n`);

      fileStream.write('/* This file is automatically generated, do not edit manually! */\n');
      fileStream.end();
      console.log(`Downloaded new application-${type.name.toLowerCase()}...`);
    }
  );
});