m3u8parse/lib/index.node.js

Structural parsing of Apple HTTP Live Streaming .m3u8 format

const { Buffer } = await import('node:' + 'buffer');
const { Stream } = await import('node:' + 'stream');
import { M3U8Parser, PlaylistType } from './parser.js';
import parseString from './index.js';
export * from './index.js';
const parseStream = async function (stream, options) {
    const parser = new M3U8Parser(options);
    stream.setEncoding('utf-8');
    let saved = '';
    for await (const input of stream) {
        const lines = (saved + input).split(/\r?\n/);
        let i;
        for (i = 0; i < lines.length - 1; ++i) {
            parser.feed(lines[i]);
        }
        saved = lines[i];
    }
    parser.feed(saved);
    return parser.finalize(options.type);
};
export default function (input, options = {}) {
    if (!(input instanceof Stream) && typeof input !== 'string' && !Buffer.isBuffer(input)) {
        throw new TypeError('Passed input must be a stream, string, or buffer');
    }
    if (options.type && (options.type !== PlaylistType.Main && options.type !== PlaylistType.Media)) {
        throw new TypeError(`Passed type must be "${PlaylistType.Main}" or "${PlaylistType.Media}"`);
    }
    if (input instanceof Stream) {
        return parseStream(input, options);
    }
    input = Buffer.isBuffer(input) ? input.toString('utf-8') : input;
    return parseString(input, options);
}