app/node_modules/mathjax-full/components/bin/makeAll

#! /usr/bin/env node

/*************************************************************
 *
 *  Copyright (c) 2018 The MathJax Consortium
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */

/**
 * @fileoverview  Processes all the build and webpack files in a directory
 *                  or collection of directories
 *
 * @author dpvc@mathjax.org (Davide Cervone)
 */


const fs = require('fs');
const path = require('path');
const {execSync} = require('child_process');

const options = {
  recursive: true
};

/**
 * Get the directories to process and check for options
 */
const dirs = process.argv.slice(2);

if (dirs[0] === '--no-subdirs') {
  dirs.shift();
  options.recursive = false;
}

if (dirs.length === 0) {
  dirs.push('.');
}

/**
 * The commads to runb the bin/build scripts
 *  (on Unix, could be done without the 'node ' prefix, but
 *   for Windows, these are needed.)
 */
const build = `node '${path.join(__dirname, 'build')}'`;
const copy = `node '${path.join(__dirname, 'copy')}'`;
const pack = `node '${path.join(__dirname, 'pack')}'`;

/**
 * Regular expression for the components directory
 */
const compRE = new RegExp(path.dirname(__dirname).replace(/([\\.{}[\]()?*^$])/g, '\\$1'));
const dirRE = new RegExp(process.cwd().replace(/([\\.{}[\]()?*^$])/g, '\\$1'));

/**
 * Process the contents of an array of directories
 *
 * @param {string} dirs   The directories to process
 */
function processList(dirs) {
  for (const dir of dirs) {
    const fulldir = path.resolve(dir);
    processDir(fulldir, buildLib);
    processDir(fulldir, webpackLib);
    processDir(fulldir, copyLib);
  }
}

/**
 * Run an action (build or webpack) on a directory and its subdirectories
 *
 * @param {string} dir        The directory to process
 * @param {Function} action   The action to take
 */
function processDir(dir, action) {
  action(dir);
  if (options.recursive) {
    processSubdirs(dir, action);
  }
}

/**
 * Look for subdirectories and process them
 *
 * @param {string} dir        The directory whose subdirectories are to be processed
 * @param {Function} action   The action to take
 */
function processSubdirs(dir, action) {
  for (const name of fs.readdirSync(dir)) {
    const file = path.join(dir, name);
    if (fs.lstatSync(file).isDirectory()) {
      processDir(file, action);
    }
  }
}

/**
 * Run bin/build if there is a configuration file for it
 *
 * @param {string} dir   The directory to check
 */
function buildLib(dir) {
  const file = path.join(dir, 'build.json');
  if (!fs.existsSync(file)) return;
  console.info('Building ' + dir.replace(compRE, '').replace(dirRE, '.'));
  const wd = process.cwd();
  try {
    process.chdir(dir);
    const result = execSync(build);
    console.info('    ' + String(result).replace(/\n/g, '\n    '));
  } catch (err) {
    console.info('    ' + err.message);
  }
  process.chdir(wd);
}

/**
 * Run webpack if there is a configuration file for it
 *
 * @param {string} dir   The directory to check
 */
function webpackLib(dir) {
  const file = path.join(dir, 'webpack.config.js');
  if (!fs.existsSync(file)) return;
  console.info('Webpacking ' + dir.replace(compRE, '').replace(dirRE, '.'));
  const wd = process.cwd();
  try {
    process.chdir(dir);
    const result = execSync(pack);
    console.info('    ' + String(result).replace(/\n/g, '\n    '));
  } catch (err) {
    console.info('    ' + err.message);
  }
  process.chdir(wd);
}

/**
 * Copy the designated files if there is a configurtion file for it
 *
 * @param {string} dir   The directory to check
 */
function copyLib(dir) {
  const file = path.join(dir, 'copy.json');
  if (!fs.existsSync(file)) return;
  console.info('Copying ' + dir.replace(compRE, ''));
  try {
    process.chdir(dir);
    const result = execSync(copy);
    console.info('    ' + String(result).replace(/\n/g, '\n    '));
  } catch (err) {
    console.info('    ' + err.message);
  }
}

/**
 * Process all the specified directories
 */
processList(dirs);