Comparing Pontoon's https://pontoon.mozilla.org/projects/firefox-accounts/ locales to moment's supported locales. MOVED TO https://github.com/pdehaan/momentjs-locales

fxa-moment-l10n-lint.js

// const moment = require("moment")

// console.log(moment.locales()); // ["en"]

const cp = require("node:child_process");
const fs = require("node:fs");
const path = require("node:path");

let momentLocales = fs
  .readdirSync("./node_modules/moment/dist/locale")
  .map((locale) => path.basename(locale, ".js"));
momentLocales = new Set(momentLocales);

// Fetch all locales (or at least locales with >=10% translations).
let fxaLocales = cp.execSync("npx pdehaan/pontoonql firefox-accounts 10");
fxaLocales = JSON.parse(fxaLocales).reduce((acc, { locale, progress }) => {
  acc[locale.code.toLowerCase()] = progress;
  return acc;
}, {});

for (let locale of Object.keys(fxaLocales).sort()) {
  if (!momentLocales.has(locale)) {
    console.error(
      `moment is missing FxA "${locale}" locale (${Math.round(
        fxaLocales[locale]
      )}%)`
    );
    process.exitCode = 1;
  }
}

moment-locales.js

{
  momentLocales: Set(135) {
    'af',
    'ar-dz',
    'ar-kw',
    'ar-ly',
    'ar-ma',
    'ar-sa',
    'ar-tn',
    'ar',
    'az',
    'be',
    'bg',
    'bm',
    'bn-bd',
    'bn',
    'bo',
    'br',
    'bs',
    'ca',
    'cs',
    'cv',
    'cy',
    'da',
    'de-at',
    'de-ch',
    'de',
    'dv',
    'el',
    'en-au',
    'en-ca',
    'en-gb',
    'en-ie',
    'en-il',
    'en-in',
    'en-nz',
    'en-sg',
    'eo',
    'es-do',
    'es-mx',
    'es-us',
    'es',
    'et',
    'eu',
    'fa',
    'fi',
    'fil',
    'fo',
    'fr-ca',
    'fr-ch',
    'fr',
    'fy',
    'ga',
    'gd',
    'gl',
    'gom-deva',
    'gom-latn',
    'gu',
    'he',
    'hi',
    'hr',
    'hu',
    'hy-am',
    'id',
    'is',
    'it-ch',
    'it',
    'ja',
    'jv',
    'ka',
    'kk',
    'km',
    'kn',
    'ko',
    'ku',
    'ky',
    'lb',
    'lo',
    'lt',
    'lv',
    'me',
    'mi',
    'mk',
    'ml',
    'mn',
    'mr',
    'ms-my',
    'ms',
    'mt',
    'my',
    'nb',
    'ne',
    'nl-be',
    'nl',
    'nn',
    'oc-lnc',
    'pa-in',
    'pl',
    'pt-br',
    'pt',
    'ro',
    'ru',
    'sd',
    'se',
    'si',
    'sk',
    'sl',
    'sq',
    'sr-cyrl',
    'sr',
    'ss',
    'sv',
    'sw',
    'ta',
    'te',
    'tet',
    'tg',
    'th',
    'tk',
    'tl-ph',
    'tlh',
    'tr',
    'tzl',
    'tzm-latn',
    'tzm',
    'ug-cn',
    'uk',
    'ur',
    'uz-latn',
    'uz',
    'vi',
    'x-pseudo',
    'yo',
    'zh-cn',
    'zh-hk',
    'zh-mo',
    'zh-tw'
  }
}

OUTPUT.txt

moment is missing FxA "ast" locale (21%)
moment is missing FxA "cak" locale (67%)
moment is missing FxA "dsb" locale (82%)
moment is missing FxA "es-ar" locale (100%)
moment is missing FxA "es-cl" locale (100%)
moment is missing FxA "es-es" locale (92%)
moment is missing FxA "fur" locale (36%)
moment is missing FxA "fy-nl" locale (100%)
moment is missing FxA "gn" locale (100%)
moment is missing FxA "hi-in" locale (32%)
moment is missing FxA "hsb" locale (95%)
moment is missing FxA "ia" locale (100%)
moment is missing FxA "kab" locale (84%)
moment is missing FxA "nb-no" locale (54%)
moment is missing FxA "ne-np" locale (10%)
moment is missing FxA "nn-no" locale (63%)
moment is missing FxA "pt-pt" locale (77%)
moment is missing FxA "rm" locale (65%)
moment is missing FxA "su" locale (37%)
moment is missing FxA "sv-se" locale (100%)
moment is missing FxA "tt" locale (52%)