@ctrl/video-filename-parser/dist/src/audioChannels.js

A radarr style release name parser

const eightChannelExp = /\b(?<eight>7.?[01])\b/i;
const sixChannelExp = /\b(?<six>(6[\W]0(?:ch)?)(?=[^\d]|$)|(5[\W][01](?:ch)?)(?=[^\d]|$)|5ch|6ch)\b/i;
const stereoChannelExp = /(?<stereo>((2[\W]0(?:ch)?)(?=[^\d]|$))|(stereo))/i;
const monoChannelExp = /(?<mono>(1[\W]0(?:ch)?)(?=[^\\d]|$)|(mono)|(1ch))/i;
const channelExp = new RegExp([
    eightChannelExp.source,
    sixChannelExp.source,
    stereoChannelExp.source,
    monoChannelExp.source,
].join('|'), 'i');
export var Channels;
(function (Channels) {
    Channels["SEVEN"] = "7.1";
    Channels["SIX"] = "5.1";
    Channels["STEREO"] = "stereo";
    Channels["MONO"] = "mono";
})(Channels || (Channels = {}));
export function parseAudioChannels(title) {
    const channelResult = channelExp.exec(title);
    if (!channelResult?.groups) {
        return {};
    }
    const { groups } = channelResult;
    if (groups.eight) {
        return { channels: Channels.SEVEN, source: groups.eight };
    }
    if (groups.six) {
        return { channels: Channels.SIX, source: groups.six };
    }
    if (groups.stereo) {
        return { channels: Channels.STEREO, source: groups.stereo };
    }
    if (groups.mono) {
        return { channels: Channels.MONO, source: groups.mono };
    }
    return {};
}