code-lab/node_modules/vuetify/lib/composables/locale.mjs

// Utilities
import { computed, inject, provide, ref } from 'vue';
import { createVuetifyAdapter } from "../locale/adapters/vuetify.mjs"; // Types
export const LocaleSymbol = Symbol.for('vuetify:locale');
function isLocaleInstance(obj) {
  return obj.name != null;
}
export function createLocale(options) {
  const i18n = options?.adapter && isLocaleInstance(options?.adapter) ? options?.adapter : createVuetifyAdapter(options);
  const rtl = createRtl(i18n, options);
  return {
    ...i18n,
    ...rtl
  };
}
export function useLocale() {
  const locale = inject(LocaleSymbol);
  if (!locale) throw new Error('[Vuetify] Could not find injected locale instance');
  return locale;
}
export function provideLocale(props) {
  const locale = inject(LocaleSymbol);
  if (!locale) throw new Error('[Vuetify] Could not find injected locale instance');
  const i18n = locale.provide(props);
  const rtl = provideRtl(i18n, locale.rtl, props);
  const data = {
    ...i18n,
    ...rtl
  };
  provide(LocaleSymbol, data);
  return data;
}

// RTL

export const RtlSymbol = Symbol.for('vuetify:rtl');
function genDefaults() {
  return {
    af: false,
    ar: true,
    bg: false,
    ca: false,
    ckb: false,
    cs: false,
    de: false,
    el: false,
    en: false,
    es: false,
    et: false,
    fa: true,
    fi: false,
    fr: false,
    hr: false,
    hu: false,
    he: true,
    id: false,
    it: false,
    ja: false,
    km: false,
    ko: false,
    lv: false,
    lt: false,
    nl: false,
    no: false,
    pl: false,
    pt: false,
    ro: false,
    ru: false,
    sk: false,
    sl: false,
    srCyrl: false,
    srLatn: false,
    sv: false,
    th: false,
    tr: false,
    az: false,
    uk: false,
    vi: false,
    zhHans: false,
    zhHant: false
  };
}
export function createRtl(i18n, options) {
  const rtl = ref(options?.rtl ?? genDefaults());
  const isRtl = computed(() => rtl.value[i18n.current.value] ?? false);
  return {
    isRtl,
    rtl,
    rtlClasses: computed(() => `v-locale--is-${isRtl.value ? 'rtl' : 'ltr'}`)
  };
}
export function provideRtl(locale, rtl, props) {
  const isRtl = computed(() => props.rtl ?? rtl.value[locale.current.value] ?? false);
  return {
    isRtl,
    rtl,
    rtlClasses: computed(() => `v-locale--is-${isRtl.value ? 'rtl' : 'ltr'}`)
  };
}
export function useRtl() {
  const locale = inject(LocaleSymbol);
  if (!locale) throw new Error('[Vuetify] Could not find injected rtl instance');
  return {
    isRtl: locale.isRtl,
    rtlClasses: locale.rtlClasses
  };
}
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