static-pages-bundler/bundler/modules/fileManager.js

This is a simple library that creates a bundle of a simple web page that uses classic `<link ...>` and `<script ...>` way to connect a bunch of CSS and JS files to the HTML template.

const fs = require('fs');
// const ncp = require('ncp').ncp;
const Networking = require('./networking');
const Utils = require('./utils');

class FileManager {
  constructor(networker = new Networking()) {
    this.networker = networker;
  }

  isPathUrl(filePath) {
    const { protocol } = this.networker.parseUrl(filePath);
    return protocol === 'https' || protocol === 'http';
  }

  async readAggregateFilesData(filePaths) {
    let fullData = '';
    if (Array.isArray(filePaths)) {
      await Utils.asyncForEach(filePaths, async (filePath) => {
        if (this.isPathUrl(filePath)) {
          fullData = fullData + '\n' + await this.networker.fetchRemoteFileData(filePath);
        } else {
          fullData = fullData + '\n' + this.readFile(filePath);
        }
      });
    } else if (typeof filePaths === 'string') {
      fullData = this.readFile(filePaths);
    }
    return fullData;
  }

  readFile(filePath) {
    try {
      return fs.readFileSync(filePath, 'utf8');
    } catch(err) {
      throw err;
    }
  }

  createWriteFile(data, filePath) {
    this.checkCreateDirsForFile(filePath);
    try {
      fs.writeFileSync(filePath, data);
      return console.log(`${filePath} file created.`);
    } catch(err) {
      throw err;
    }
  }

  // copyDir(source, destination) {
  //   return ncp(source, destination, (err) => {
  //     if (err) {
  //       throw err;
  //     }
  //     console.log(`${source} folder copied to ${destination}`);
  //   });
  // }

  checkCreateDirsForFile(futureFilePath) {
    const dirsList = futureFilePath.split('/');
    const dirsLength = dirsList.length - 2; // -1 => to have index instead of count. -2 => to exclude filename

    let dirPath = '.';
    for (let i = 0; i <= dirsLength; i++) {
      dirPath = `${dirPath}/${dirsList[i]}`;
      try {
        if (!fs.existsSync(dirPath)){
          fs.mkdirSync(dirPath);
        }
      } catch (err) {
        throw err;
      }
    }
  }
  
};

module.exports = FileManager;