영어 자막 코멘트 제거 스크립트

import fs from 'fs'
var array = fs.readFileSync('./source.srt').toString().split("\n");

interface subTitle {
    subNum : string;
    subTime : string;
    subTexts : Array<String>
}


let subItems:Array<subTitle> = [];
let preIndex = 0;
for (let index=0; index<array.length; index++) {
    let childs: Array<String> = [], passPush=false;

    if (array[index] == "\r") {
        for (let subIndex=preIndex+2; ; subIndex++) {
            if (array[subIndex] == "\r") break;
            childs.push(array[subIndex])
        }

        for (let subIndex=0; subIndex<childs.length; subIndex++) {
            let parsedText=childs[subIndex];
            try {
                const start = childs[subIndex].indexOf('[');
                const end = childs[subIndex].indexOf(']');

                // if (end+2 == childs[subIndex].length) {
                //     childs[subIndex] = " ";
                //     continue;
                // }
                if (start != end) parsedText = childs[subIndex].substring(0,start) + childs[subIndex].substring((end+2 != childs[subIndex].length) ? end+2 : end+1, childs[subIndex].length);

                childs[subIndex] = parsedText
            }
            catch (err) {
                console.log(`[Line Parsing Error] : ${err}`)
            }
        }

        if (!passPush) subItems.push({subNum : array[preIndex], subTime : array[preIndex+1], subTexts: childs})
        preIndex = index+1;
    }
}

fs.writeFile('result.srt', '', (err) => {
    if (err) console.log (`[File Create Error] : ${err}`)
});

let output = "", newIndex=1;
for (let index=0; index<subItems.length; index++) {
    if (subItems[index].subTexts.toString().length<2) continue;

    let subText = "";
    for (let subIndex=0; subIndex<subItems[index].subTexts.length; subIndex++) {
        if (subItems[index].subTexts[subIndex].length < 3) continue;
        subText+=subItems[index].subTexts[subIndex];
        if (subIndex!=subItems[index].subTexts.length-1) subText+="\n"
    }

    output+=String(newIndex++) + "\n" + subItems[index].subTime + "\n" + subText + "\n\n";
}

fs.writeFile('result.srt', output, (err) => {
    if (err) console.log (`[File Write Error] : ${err}`)
});