webvtt2ass/index.js

Convert WebVTT into ASS Subtitle

"use strict";
const fs = require("fs");
const parser = require("webvtt/lib/parser");
const subtitle = require("./lib/subtitle.text");

function webvtt2ass(input, outputStream, font) {
    fs.readFile(input, "utf8", (err, context) => {
        if (err !== null) { throw err; }
        outputStream.write(subtitle.assHeader(font));
        new parser.WebVTTParser().parse(context, "subtitles").cues.forEach((item) => {
            const ret = subtitle.parseSegment(item);
            outputStream.write(`Dialogue: 0,${ret.begin},${ret.end},${ret.style},${ret.voice},0,0,0,,${ret.text}\n`);
        });
    });
}

module.exports = webvtt2ass;