languagecodes.js

/**
 * @license ORB Software. Copyright (c) 2026 Ocean Blue Software Limited
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

hbbtv.languageCodes = {
    ISO639_2_to_ISO639_1: {
        aar: 'aa',
        abk: 'ab',
        ave: 'ae',
        afr: 'af',
        aka: 'ak',
        amh: 'am',
        arg: 'an',
        ara: 'ar',
        asm: 'as',
        ava: 'av',
        aym: 'ay',
        aze: 'az',
        bak: 'ba',
        bel: 'be',
        bul: 'bg',
        bih: 'bh',
        bis: 'bi',
        bam: 'bm',
        ben: 'bn',
        tib: 'bo',
        bod: 'bo',
        bre: 'br',
        bos: 'bs',
        cat: 'ca',
        che: 'ce',
        cha: 'ch',
        cos: 'co',
        cre: 'cr',
        cze: 'cs',
        ces: 'cs',
        chu: 'cu',
        chv: 'cv',
        wel: 'cy',
        cym: 'cy',
        dan: 'da',
        ger: 'de',
        deu: 'de',
        div: 'dv',
        dzo: 'dz',
        ewe: 'ee',
        gre: 'el',
        ell: 'el',
        eng: 'en',
        epo: 'eo',
        spa: 'es',
        est: 'et',
        baq: 'eu',
        eus: 'eu',
        per: 'fa',
        fas: 'fa',
        ful: 'ff',
        fin: 'fi',
        fij: 'fj',
        fao: 'fo',
        fre: 'fr',
        fra: 'fr',
        fry: 'fy',
        gle: 'ga',
        gla: 'gd',
        glg: 'gl',
        grn: 'gn',
        guj: 'gu',
        glv: 'gv',
        hau: 'ha',
        heb: 'he',
        hin: 'hi',
        hmo: 'ho',
        hrv: 'hr',
        hat: 'ht',
        hun: 'hu',
        arm: 'hy',
        hye: 'hy',
        her: 'hz',
        ina: 'ia',
        ind: 'id',
        ile: 'ie',
        ibo: 'ig',
        iii: 'ii',
        ipk: 'ik',
        ido: 'io',
        ice: 'is',
        isl: 'is',
        ita: 'it',
        iku: 'iu',
        jpn: 'ja',
        jav: 'jv',
        geo: 'ka',
        kat: 'ka',
        kon: 'kg',
        kik: 'ki',
        kua: 'kj',
        kaz: 'kk',
        kal: 'kl',
        khm: 'km',
        kan: 'kn',
        kor: 'ko',
        kau: 'kr',
        kas: 'ks',
        kur: 'ku',
        kom: 'kv',
        cor: 'kw',
        kir: 'ky',
        lat: 'la',
        ltz: 'lb',
        lug: 'lg',
        lim: 'li',
        lin: 'ln',
        lao: 'lo',
        lit: 'lt',
        lub: 'lu',
        lav: 'lv',
        mlg: 'mg',
        mah: 'mh',
        mao: 'mi',
        mri: 'mi',
        mac: 'mk',
        mkd: 'mk',
        mal: 'ml',
        mon: 'mn',
        mar: 'mr',
        may: 'ms',
        msa: 'ms',
        mlt: 'mt',
        bur: 'my',
        mya: 'my',
        nau: 'na',
        nob: 'nb',
        nde: 'nd',
        nep: 'ne',
        ndo: 'ng',
        dut: 'nl',
        nld: 'nl',
        nno: 'nn',
        nor: 'no',
        nbl: 'nr',
        nav: 'nv',
        nya: 'ny',
        oci: 'oc',
        oji: 'oj',
        orm: 'om',
        ori: 'or',
        oss: 'os',
        pan: 'pa',
        pli: 'pi',
        pol: 'pl',
        pus: 'ps',
        por: 'pt',
        que: 'qu',
        roh: 'rm',
        run: 'rn',
        rum: 'ro',
        ron: 'ro',
        rus: 'ru',
        kin: 'rw',
        san: 'sa',
        srd: 'sc',
        snd: 'sd',
        sme: 'se',
        sag: 'sg',
        sin: 'si',
        slo: 'sk',
        slk: 'sk',
        slv: 'sl',
        smo: 'sm',
        sna: 'sn',
        som: 'so',
        alb: 'sq',
        sqi: 'sq',
        srp: 'sr',
        ssw: 'ss',
        sot: 'st',
        sun: 'su',
        swe: 'sv',
        swa: 'sw',
        tam: 'ta',
        tel: 'te',
        tgk: 'tg',
        tha: 'th',
        tir: 'ti',
        tuk: 'tk',
        tgl: 'tl',
        tsn: 'tn',
        ton: 'to',
        tur: 'tr',
        tso: 'ts',
        tat: 'tt',
        twi: 'tw',
        tah: 'ty',
        uig: 'ug',
        ukr: 'uk',
        urd: 'ur',
        uzb: 'uz',
        ven: 've',
        vie: 'vi',
        vol: 'vo',
        wln: 'wa',
        wol: 'wo',
        xho: 'xh',
        yid: 'yi',
        yor: 'yo',
        zha: 'za',
        chi: 'zh',
        zho: 'zh',
        zul: 'zu',
    },
    makeReverseMapping : function() {
        return Object.fromEntries(
            Object.entries(this.ISO639_2_to_ISO639_1).map(([key, value]) => [value, key])
          );
    },
    /**
     * Map a comma-separated ISO 639-2 list to BCP-47 primary language subtags
     * (ISO 639-1 where the mapping exists). Already-2-letter or unmapped tags
     * are passed through so preferredUILanguage47 stays consistent with
     * preferredUILanguage.
     */
    iso639_2ListToBcp47: function(list) {
        if (typeof list !== 'string' || list.length === 0) {
            return '';
        }
        return list.split(',').map((code) => {
            const trimmed = code.trim();
            if (!trimmed) {
                return '';
            }
            return this.ISO639_2_to_ISO639_1[trimmed.toLowerCase()] || trimmed;
        }).filter((code) => code.length > 0).join(',');
    }
};