quannt/srt-to-dfxp.js

## srt-to-dfxp.js
//requiring path and fs modules
const path = require('path');
const fs = require('fs');
const readline = require('readline');

//joining path of directory
const directoryPath = path.join(__dirname, 'srt');
const outputPath = path.join(__dirname, 'dfxp');
//passsing directoryPath and callback function
fs.readdir(directoryPath, {
  encoding: 'utf8',
  withFileTypes: true
}, function (err, files) {
    //handling error
    if (err) {
        return console.log('Unable to scan directory: ' + err);
    }
    //listing all files using forEach
    files.forEach(function (file) {
      if (isValidSubFile(file)) {
        handleReadFile(path.join(directoryPath, file.name), file.name)
      }
    });
});


const isValidSubFile = (dirent) => {
  if (dirent.isFile() && dirent.name.endsWith('.srt')) {
    return true
  }
  return false
}

const handleReadFile = (filePath, fileName) => {


  let currentIndex = 0;
  let newParagraph = {
    timeStampStart: null,
    timeStampEnd: null,
    text: null
  }
  let paragraphs = []

  const rl = readline.createInterface({
    input: fs.createReadStream(filePath)
  });

  rl.on('line', (line) => {
    if (!line) {
      console.log(newParagraph)
      paragraphs.push(JSON.parse(JSON.stringify(newParagraph)))
      currentIndex = 0;
      newParagraph.timeStampStart = null;
      newParagraph.timeStampEnd = null;
      newParagraph.text = null
      return
    }
    currentIndex = currentIndex + 1;

    if (currentIndex === 2) {
      let lines = line.split('-->')
      newParagraph.timeStampStart = lines[0].trim().replace(',', '.')
      newParagraph.timeStampEnd = lines[1].trim().replace(',', '.')
    } else if (currentIndex > 2) {
      if (newParagraph.text) {
        newParagraph.text = `${newParagraph.text}<br />${line}`
      } else {
        newParagraph.text = `${line}`
      }
    }
  });


  rl.on('close', () => {f
    let subs = '';
    console.log(paragraphs)
    paragraphs.forEach((item) => {
      console.log(item)
      subs = subs + `<p begin="${item.timeStampStart}" end="${item.timeStampEnd}">
      ${item.text}
      </p>`
    })

    let newContent = `<?xml version="1.0" encoding="UTF-8"?>
    <tt xml:lang='en' xmlns='http://www.w3.org/2006/10/ttaf1' xmlns:tts='http://www.w3.org/2006/10/ttaf1#style'>
    <head></head>
    <body>
    <div xml:id="captions">
    ${subs}
    </div>
    </body>
    </tt>
    `

    fs.writeFile(path.join(outputPath, `${fileName}.dfxp`), newContent, (err) => {
      if (err) console.log(err);
      console.log(`Successfully converted ${fileName}`);
    });
  })
}
	//requiring path and fs modules
	const path = require('path');
	const fs = require('fs');
	const readline = require('readline');

	//joining path of directory
	const directoryPath = path.join(__dirname, 'srt');
	const outputPath = path.join(__dirname, 'dfxp');
	//passsing directoryPath and callback function
	fs.readdir(directoryPath, {
	encoding: 'utf8',
	withFileTypes: true
	}, function (err, files) {
	//handling error
	if (err) {
	return console.log('Unable to scan directory: ' + err);
	}
	//listing all files using forEach
	files.forEach(function (file) {
	if (isValidSubFile(file)) {
	handleReadFile(path.join(directoryPath, file.name), file.name)
	}
	});
	});


	const isValidSubFile = (dirent) => {
	if (dirent.isFile() && dirent.name.endsWith('.srt')) {
	return true
	}
	return false
	}

	const handleReadFile = (filePath, fileName) => {


	let currentIndex = 0;
	let newParagraph = {
	timeStampStart: null,
	timeStampEnd: null,
	text: null
	}
	let paragraphs = []

	const rl = readline.createInterface({
	input: fs.createReadStream(filePath)
	});

	rl.on('line', (line) => {
	if (!line) {
	console.log(newParagraph)
	paragraphs.push(JSON.parse(JSON.stringify(newParagraph)))
	currentIndex = 0;
	newParagraph.timeStampStart = null;
	newParagraph.timeStampEnd = null;
	newParagraph.text = null
	return
	}
	currentIndex = currentIndex + 1;

	if (currentIndex === 2) {
	let lines = line.split('-->')
	newParagraph.timeStampStart = lines[0].trim().replace(',', '.')
	newParagraph.timeStampEnd = lines[1].trim().replace(',', '.')
	} else if (currentIndex > 2) {
	if (newParagraph.text) {
	newParagraph.text = `${newParagraph.text}<br />${line}`
	} else {
	newParagraph.text = `${line}`
	}
	}
	});


	rl.on('close', () => {f
	let subs = '';
	console.log(paragraphs)
	paragraphs.forEach((item) => {
	console.log(item)
	subs = subs + `<p begin="${item.timeStampStart}" end="${item.timeStampEnd}">
	${item.text}
	</p>`
	})

	let newContent = `<?xml version="1.0" encoding="UTF-8"?>
	<tt xml:lang='en' xmlns='http://www.w3.org/2006/10/ttaf1' xmlns:tts='http://www.w3.org/2006/10/ttaf1#style'>
	<head></head>
	<body>
	<div xml:id="captions">
	${subs}
	</div>
	</body>
	</tt>
	`

	fs.writeFile(path.join(outputPath, `${fileName}.dfxp`), newContent, (err) => {
	if (err) console.log(err);
	console.log(`Successfully converted ${fileName}`);
	});
	})
	}