Srt.js

A small parser for SubRip(.srt) subtitle file in JavaScript

Online demo

Installation

npm install srtjs --save

Usage

Node.js

var Srt = require('srtjs'),
	fs = require('fs');
	
var srtText = fs.readFileSync('./test/test.srt', {
    encoding: 'utf-8'
});
	
var srt = new Srt(srtText);

Browserify

var Srt = require('./src/srt.js');
var srt = new Srt(yourSrtText);

Lines:

// get the number of entries
console.log(srt.lines.length); // 723

// get the 5th line
console.log(srt.lines[4].subtitle); // Come on, let's go!

// get the index of the entry
console.log(srt.lines[4].counter); // 5

// get the start time of the 5th entry
console.log(srt.lines[5].start.text); // 00:01:42,500

// each entry also has a start and end date object
console.log(srt.lines[5].start.time);

// you can get hours, minutes, seconds, and milliseconds as well
console.log(srt.lines[5].start.hours);

Shift:

// move all subs 5 seconds later
srt.shift(5, "seconds");

// move all subs 2 seconds earlier
srt.shift(-2, "seconds");

Get subtitle text:

console.log(srt.getSrtContent());

Tests

npm test

License

Srt.js is available under the MIT License.