d8e.js

const { existsSync, mkdirSync, readdirSync, rm, statSync } = require('fs');
const { join, extname, relative } = require('path');

const { getConfig } = require('./src/util/config-file-parser');
const { throwAndExit } = require('./src/util/error');
const { log, printSecondsTaken } = require('./src/util/log');

const { copyImages, copyFonts } = require('./src/asset');
const { processHTMLFile } = require('./src/html');

const startTime = performance.now();
const action = process.argv[2];
if (action === 'version') {
  log('info', 'd8e VERSION: 0.4.8');
  printSecondsTaken(startTime);
  return;
}

log('info', 'd8e 0.4.8 starting\n');

if (action !== 'build' && action !== 'b') {
  throwAndExit(`Unexpected action: '${ action }', expected 'build' or 'b'`);
}

const { inputDirectory, outputDirectory } = getConfig();
if (!existsSync(inputDirectory)) {
  throwAndExit(`The specified input directory does not exist: ${ inputDirectory }`);
}

const cwd = process.cwd();

const outputDir = join(cwd, outputDirectory);
if (!existsSync(outputDir)) {
  mkdirSync(outputDir, { recursive: true });
  convertHTML();
} else {
  rm(outputDir, { recursive: true }, (err) => {
    if (err) {
      log('error', `Error removing output directory: ${ err }`);
    }

    convertHTML();
  });
}

function convertHTML() {
  copyImages(inputDirectory, outputDir);
  copyFonts(inputDirectory, outputDir);

  const fullInputPath = join(cwd, inputDirectory);
  const processedFiles = [];

  function processDirectory(dir) {
    readdirSync(dir).forEach(file => {
      const fullPath = join(dir, file);
      if (statSync(fullPath).isDirectory()) {
        processDirectory(fullPath);
      } else if (extname(file).toLowerCase() === '.html') {
        const relativePath = relative(fullInputPath, fullPath);
        processHTMLFile(fullPath, join(outputDir, relativePath), outputDirectory);

        processedFiles.push(fullPath);
      }
    });
  }

  processDirectory(fullInputPath);

  for (const processedFile of processedFiles) {
    log('info', `processed HTML file ${ processedFile }`);
  }

  printSecondsTaken(startTime);
}