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

A radarr style release name parser

import { removeFileExtension } from './extensions.js';
import { simplifyTitle } from './title/cleanup.js';
import { parseTitleAndYear } from './title/index.js';
const websitePrefixExp = /^\[\s*[a-z]+(?:\.[a-z]+){1,4}\s*\][- ]*|^www\.[a-z]+\.(?:com|net)[ -]*/i;
const cleanReleaseGroupExp = /(-(RP|1|NZBGeek|Obfuscated|Obfuscation|Scrambled|sample|Pre|postbot|xpost|Rakuv[a-z0-9]*|WhiteRev|BUYMORE|AsRequested|AlternativeToRequested|GEROV|Z0iDS3N|Chamele0n|4P|4Planet|AlteZachen|RePACKPOST))+$/i;
const releaseGroupRegexExp = /-(?<releasegroup>[a-z0-9]+)(?<!WEB-DL|WEB-RIP|480p|720p|1080p|2160p|DTS-(HD|X|MA|ES)|([a-zA-Z]{3}-ENG))(?:\b|[-._ ])/i;
const animeReleaseGroupExp = /^\[(?<subgroup>[^\s\]\r\n](?:[^\]\r\n]{0,318}[^\s\]\r\n])?)\](?:_|-|\s|\.)?/i;
const exceptionReleaseGroupRegex = /(\[)?(?<releasegroup>(Joy|YIFY|YTS.(MX|LT|AG)|FreetheFish|VH-PROD|FTW-HS|DX-TV|Blu-bits|afm72|Anna|Bandi|Ghost|Kappa|MONOLITH|Qman|RZeroX|SAMPA|Silence|theincognito|D-Z0N3|t3nzin|Vyndros|HDO|DusIctv|DHD|SEV|CtrlHD|-ZR-|ADC|XZVN|RH|Kametsu|r00t|HONE))(\])?$/i;
const globalReleaseGroupExp = new RegExp(releaseGroupRegexExp.source, 'ig');
export function parseGroup(title, parsedTitle) {
    const nowebsiteTitle = removeWebsitePrefix(title);
    const releaseTitle = normalizeReleaseTitle(nowebsiteTitle, parsedTitle);
    let trimmed = buildGroupCandidateTitle(nowebsiteTitle, releaseTitle);
    if (trimmed.length === 0) {
        return null;
    }
    const exceptionGroup = matchExceptionReleaseGroup(trimmed);
    if (exceptionGroup !== null) {
        return exceptionGroup;
    }
    const animeSubgroup = matchAnimeSubgroup(trimmed);
    if (animeSubgroup !== null) {
        return animeSubgroup;
    }
    trimmed = stripCleanupSuffixes(trimmed);
    return matchGenericReleaseGroup(trimmed);
}
function removeWebsitePrefix(title) {
    return title.replace(websitePrefixExp, '');
}
function normalizeReleaseTitle(title, parsedTitle) {
    return (parsedTitle ?? parseTitleAndYear(title).title).replaceAll(' ', '.');
}
function buildGroupCandidateTitle(title, releaseTitle) {
    const trimmed = title
        .replaceAll(' ', '.')
        .replace(releaseTitle === title ? '' : releaseTitle, '')
        .replaceAll('.-.', '.');
    return simplifyTitle(removeFileExtension(trimmed.trim()));
}
function matchExceptionReleaseGroup(title) {
    const exceptionResult = exceptionReleaseGroupRegex.exec(title);
    if (exceptionResult?.groups?.releasegroup) {
        return exceptionResult.groups.releasegroup;
    }
    return null;
}
function matchAnimeSubgroup(title) {
    const animeResult = animeReleaseGroupExp.exec(title);
    return animeResult?.groups?.subgroup ?? null;
}
function stripCleanupSuffixes(title) {
    return title.replace(cleanReleaseGroupExp, '');
}
function matchGenericReleaseGroup(title) {
    globalReleaseGroupExp.lastIndex = 0;
    for (const result of title.matchAll(globalReleaseGroupExp)) {
        if (!result?.groups) {
            continue;
        }
        const group = result.groups.releasegroup ?? '';
        return group;
    }
    return null;
}