vue-i18n-bridge/dist/vue-i18n-bridge.esm-bundler.js

/*!
  * vue-i18n-bridge v9.2.0-beta.6
  * (c) 2021 kazuya kawaguchi
  * Released under the MIT License.
  */
import { getGlobalThis, format, makeSymbol, isPlainObject, isArray, hasOwn, isObject, isBoolean, isString, isRegExp, isFunction, assign, isNumber, warn, isEmptyObject } from '@intlify/shared';
import { CoreWarnCodes, createCompileError, CompileErrorCodes, DEFAULT_LOCALE, createCoreContext, updateFallbackLocale, clearDateTimeFormat, clearNumberFormat, setAdditionalMeta, NOT_REOSLVED, isTranslateFallbackWarn, isTranslateMissingWarn, parseTranslateArgs, translate, MISSING_RESOLVE_VALUE, parseDateTimeArgs, datetime, parseNumberArgs, number, fallbackWithLocaleChain, registerMessageCompiler, compileToFunction, registerMessageResolver, resolveValue, registerLocaleFallbacker, setDevToolsHook } from '@intlify/core-base';
import { ref, getCurrentInstance, computed, watch, onBeforeMount, onUnmounted } from '@vue/composition-api';

/**
 * Vue I18n Version
 *
 * @remarks
 * Semver format. Same format as the package.json `version` field.
 *
 * @VueI18nGeneral
 */
const VERSION = '9.2.0-beta.6';
/**
 * This is only called in esm-bundler builds.
 * istanbul-ignore-next
 */
function initFeatureFlags() {
    let needWarn = false;
    if (typeof __VUE_I18N_FULL_INSTALL__ !== 'boolean') {
        needWarn = true;
        getGlobalThis().__VUE_I18N_FULL_INSTALL__ = true;
    }
    if (typeof __VUE_I18N_LEGACY_API__ !== 'boolean') {
        needWarn = true;
        getGlobalThis().__VUE_I18N_LEGACY_API__ = true;
    }
    if (typeof __INTLIFY_PROD_DEVTOOLS__ !== 'boolean') {
        getGlobalThis().__INTLIFY_PROD_DEVTOOLS__ = false;
    }
    if ((process.env.NODE_ENV !== 'production') && needWarn) {
        console.warn(`You are running the esm-bundler build of vue-i18n. It is recommended to ` +
            `configure your bundler to explicitly replace feature flag globals ` +
            `with boolean literals to get proper tree-shaking in the final bundle.`);
    }
}

let code$1 = CoreWarnCodes.__EXTEND_POINT__;
const inc$1 = () => code$1++;
const I18nWarnCodes = {
    FALLBACK_TO_ROOT: code$1,
    NOT_SUPPORTED_PRESERVE: inc$1(),
    NOT_SUPPORTED_FORMATTER: inc$1(),
    NOT_SUPPORTED_PRESERVE_DIRECTIVE: inc$1(),
    NOT_SUPPORTED_GET_CHOICE_INDEX: inc$1(),
    COMPONENT_NAME_LEGACY_COMPATIBLE: inc$1(),
    NOT_FOUND_PARENT_SCOPE: inc$1(),
    NOT_SUPPORT_MULTI_I18N_INSTANCE: inc$1() // 14
};
const warnMessages = {
    [I18nWarnCodes.FALLBACK_TO_ROOT]: `Fall back to {type} '{key}' with root locale.`,
    [I18nWarnCodes.NOT_SUPPORTED_PRESERVE]: `Not supported 'preserve'.`,
    [I18nWarnCodes.NOT_SUPPORTED_FORMATTER]: `Not supported 'formatter'.`,
    [I18nWarnCodes.NOT_SUPPORTED_PRESERVE_DIRECTIVE]: `Not supported 'preserveDirectiveContent'.`,
    [I18nWarnCodes.NOT_SUPPORTED_GET_CHOICE_INDEX]: `Not supported 'getChoiceIndex'.`,
    [I18nWarnCodes.COMPONENT_NAME_LEGACY_COMPATIBLE]: `Component name legacy compatible: '{name}' -> 'i18n'`,
    [I18nWarnCodes.NOT_FOUND_PARENT_SCOPE]: `Not found parent scope. use the global scope.`,
    [I18nWarnCodes.NOT_SUPPORT_MULTI_I18N_INSTANCE]: `Not support multi i18n instance.`
};
function getWarnMessage(code, ...args) {
    return format(warnMessages[code], ...args);
}

let code = CompileErrorCodes.__EXTEND_POINT__;
const inc = () => code++;
const I18nErrorCodes = {
    // composer module errors
    UNEXPECTED_RETURN_TYPE: code,
    // legacy module errors
    INVALID_ARGUMENT: inc(),
    // i18n module errors
    MUST_BE_CALL_SETUP_TOP: inc(),
    NOT_INSLALLED: inc(),
    NOT_AVAILABLE_IN_LEGACY_MODE: inc(),
    // directive module errors
    REQUIRED_VALUE: inc(),
    INVALID_VALUE: inc(),
    // vue-devtools errors
    CANNOT_SETUP_VUE_DEVTOOLS_PLUGIN: inc(),
    NOT_INSLALLED_WITH_PROVIDE: inc(),
    // unexpected error
    UNEXPECTED_ERROR: inc(),
    // not compatible legacy vue-i18n constructor
    NOT_COMPATIBLE_LEGACY_VUE_I18N: inc(),
    // bridge support vue 2.x only
    BRIDGE_SUPPORT_VUE_2_ONLY: inc(),
    // for enhancement
    __EXTEND_POINT__: inc() // 27
};
function createI18nError(code, ...args) {
    return createCompileError(code, null, (process.env.NODE_ENV !== 'production') ? { messages: errorMessages, args } : undefined);
}
const errorMessages = {
    [I18nErrorCodes.UNEXPECTED_RETURN_TYPE]: 'Unexpected return type in composer',
    [I18nErrorCodes.INVALID_ARGUMENT]: 'Invalid argument',
    [I18nErrorCodes.MUST_BE_CALL_SETUP_TOP]: 'Must be called at the top of a `setup` function',
    [I18nErrorCodes.NOT_INSLALLED]: 'Need to install with `app.use` function',
    [I18nErrorCodes.UNEXPECTED_ERROR]: 'Unexpected error',
    [I18nErrorCodes.NOT_AVAILABLE_IN_LEGACY_MODE]: 'Not available in legacy mode',
    [I18nErrorCodes.REQUIRED_VALUE]: `Required in value: {0}`,
    [I18nErrorCodes.INVALID_VALUE]: `Invalid value`,
    [I18nErrorCodes.CANNOT_SETUP_VUE_DEVTOOLS_PLUGIN]: `Cannot setup vue-devtools plugin`,
    [I18nErrorCodes.NOT_INSLALLED_WITH_PROVIDE]: 'Need to install with `provide` function',
    [I18nErrorCodes.NOT_COMPATIBLE_LEGACY_VUE_I18N]: 'Not compatible legacy VueI18n.',
    [I18nErrorCodes.BRIDGE_SUPPORT_VUE_2_ONLY]: 'vue-i18n-bridge support Vue 2.x only'
};

const SetPluralRulesSymbol = makeSymbol('__setPluralRules');
makeSymbol('__intlifyMeta');
const LegacyInstanceSymbol = /* #__PURE__*/ makeSymbol('__legacyVueI18n');

/* eslint-disable @typescript-eslint/no-explicit-any */
// eslint-disable-next-line @typescript-eslint/explicit-module-boundary-types
function isLegacyVueI18n(VueI18n) {
    if (VueI18n == null || VueI18n.version == null) {
        return false;
    }
    return (Number(VueI18n.version.split('.')[0]) || -1) >= 8;
}
/**
 * Transform flat json in obj to normal json in obj
 */
function handleFlatJson(obj) {
    // check obj
    if (!isObject(obj)) {
        return obj;
    }
    for (const key in obj) {
        // check key
        if (!hasOwn(obj, key)) {
            continue;
        }
        // handle for normal json
        if (!key.includes('.')) {
            // recursive process value if value is also a object
            if (isObject(obj[key])) {
                handleFlatJson(obj[key]);
            }
        }
        // handle for flat json, transform to normal json
        else {
            // go to the last object
            const subKeys = key.split('.');
            const lastIndex = subKeys.length - 1;
            let currentObj = obj;
            for (let i = 0; i < lastIndex; i++) {
                if (!(subKeys[i] in currentObj)) {
                    currentObj[subKeys[i]] = {};
                }
                currentObj = currentObj[subKeys[i]];
            }
            // update last object value, delete old property
            currentObj[subKeys[lastIndex]] = obj[key];
            delete obj[key];
            // recursive process value if value is also a object
            if (isObject(currentObj[subKeys[lastIndex]])) {
                handleFlatJson(currentObj[subKeys[lastIndex]]);
            }
        }
    }
    return obj;
}
function getLocaleMessages(locale, options) {
    const { messages, __i18n, messageResolver, flatJson } = options;
    // prettier-ignore
    const ret = isPlainObject(messages)
        ? messages
        : isArray(__i18n)
            ? {}
            : { [locale]: {} };
    // merge locale messages of i18n custom block
    if (isArray(__i18n)) {
        __i18n.forEach(({ locale, resource }) => {
            if (locale) {
                ret[locale] = ret[locale] || {};
                deepCopy(resource, ret[locale]);
            }
            else {
                deepCopy(resource, ret);
            }
        });
    }
    // handle messages for flat json
    if (messageResolver == null && flatJson) {
        for (const key in ret) {
            if (hasOwn(ret, key)) {
                handleFlatJson(ret[key]);
            }
        }
    }
    return ret;
}
const isNotObjectOrIsArray = (val) => !isObject(val) || isArray(val);
// eslint-disable-next-line @typescript-eslint/no-explicit-any, @typescript-eslint/explicit-module-boundary-types
function deepCopy(src, des) {
    // src and des should both be objects, and non of then can be a array
    if (isNotObjectOrIsArray(src) || isNotObjectOrIsArray(des)) {
        throw createI18nError(I18nErrorCodes.INVALID_VALUE);
    }
    for (const key in src) {
        if (hasOwn(src, key)) {
            if (isNotObjectOrIsArray(src[key]) || isNotObjectOrIsArray(des[key])) {
                // replace with src[key] when:
                // src[key] or des[key] is not a object, or
                // src[key] or des[key] is a array
                des[key] = src[key];
            }
            else {
                // src[key] and des[key] are both object, merge them
                deepCopy(src[key], des[key]);
            }
        }
    }
}
/* eslint-enable @typescript-eslint/no-explicit-any */

/* eslint-disable @typescript-eslint/no-explicit-any */
const DEVTOOLS_META = '__INTLIFY_META__';
let composerID = 0;
function defineCoreMissingHandler(missing) {
    return ((ctx, locale, key, type) => {
        return missing(locale, key, getCurrentInstance() || undefined, type);
    });
}
// for Intlify DevTools
const getMetaInfo =  () => {
    const instance = getCurrentInstance();
    return instance && instance.type[DEVTOOLS_META] // eslint-disable-line @typescript-eslint/no-explicit-any
        ? { [DEVTOOLS_META]: instance.type[DEVTOOLS_META] } // eslint-disable-line @typescript-eslint/no-explicit-any
        : null;
};
/**
 * Create composer interface factory
 *
 * @internal
 */
// eslint-disable-next-line @typescript-eslint/explicit-module-boundary-types
function createComposer(options = {}, VueI18nLegacy) {
    const { __root } = options;
    const _isGlobal = __root === undefined;
    let _inheritLocale = isBoolean(options.inheritLocale)
        ? options.inheritLocale
        : true;
    const _locale = ref(
    // prettier-ignore
    __root && _inheritLocale
        ? __root.locale.value
        : isString(options.locale)
            ? options.locale
            : DEFAULT_LOCALE);
    const _fallbackLocale = ref(
    // prettier-ignore
    __root && _inheritLocale
        ? __root.fallbackLocale.value
        : isString(options.fallbackLocale) ||
            isArray(options.fallbackLocale) ||
            isPlainObject(options.fallbackLocale) ||
            options.fallbackLocale === false
            ? options.fallbackLocale
            : _locale.value);
    const _messages = ref(getLocaleMessages(_locale.value, options));
    // prettier-ignore
    const _datetimeFormats = ref(isPlainObject(options.datetimeFormats)
            ? options.datetimeFormats
            : { [_locale.value]: {} })
        ;
    // prettier-ignore
    const _numberFormats = ref(isPlainObject(options.numberFormats)
            ? options.numberFormats
            : { [_locale.value]: {} })
        ;
    // warning suppress options
    // prettier-ignore
    let _missingWarn = __root
        ? __root.missingWarn
        : isBoolean(options.missingWarn) || isRegExp(options.missingWarn)
            ? options.missingWarn
            : true;
    // prettier-ignore
    let _fallbackWarn = __root
        ? __root.fallbackWarn
        : isBoolean(options.fallbackWarn) || isRegExp(options.fallbackWarn)
            ? options.fallbackWarn
            : true;
    // prettier-ignore
    let _fallbackRoot = __root
        ? __root.fallbackRoot
        : isBoolean(options.fallbackRoot)
            ? options.fallbackRoot
            : true;
    // configure fall back to root
    let _fallbackFormat = !!options.fallbackFormat;
    // runtime missing
    let _missing = isFunction(options.missing) ? options.missing : null;
    let _runtimeMissing = isFunction(options.missing)
        ? defineCoreMissingHandler(options.missing)
        : null;
    // postTranslation handler
    let _postTranslation = isFunction(options.postTranslation)
        ? options.postTranslation
        : null;
    let _warnHtmlMessage = isBoolean(options.warnHtmlMessage)
        ? options.warnHtmlMessage
        : true;
    let _escapeParameter = !!options.escapeParameter;
    // custom linked modifiers
    // prettier-ignore
    const _modifiers = __root
        ? __root.modifiers
        : isPlainObject(options.modifiers)
            ? options.modifiers
            : {};
    // pluralRules
    let _pluralRules = options.pluralRules || (__root && __root.pluralRules);
    // for bridge
    let __legacy;
    {
        if (!isLegacyVueI18n(VueI18nLegacy)) {
            createI18nError(I18nErrorCodes.NOT_COMPATIBLE_LEGACY_VUE_I18N);
        }
        const legacyOptions = {
            locale: _locale.value,
            fallbackLocale: _fallbackLocale.value,
            messages: _messages.value,
            dateTimeFormats: _datetimeFormats.value,
            numberFormats: _numberFormats.value,
            modifiers: _modifiers,
            missing: _missing,
            fallbackRoot: _fallbackRoot,
            postTranslation: _postTranslation,
            pluralizationRules: _pluralRules,
            escapeParameterHtml: _escapeParameter,
            sync: _inheritLocale,
            silentFallbackWarn: isBoolean(_fallbackWarn)
                ? !_fallbackWarn
                : _fallbackWarn,
            silentTranslationWarn: isBoolean(_missingWarn)
                ? !_missingWarn
                : _missingWarn,
            formatFallbackMessages: isBoolean(_fallbackFormat)
                ? !_fallbackFormat
                : _fallbackFormat,
            warnHtmlInMessage: isBoolean(_warnHtmlMessage)
                ? _warnHtmlMessage
                    ? 'warn'
                    : 'off'
                : 'off'
        };
        __legacy = new VueI18nLegacy(legacyOptions);
    }
    // runtime context
    // eslint-disable-next-line prefer-const
    let _context;
    function getCoreContext() {
        const ctxOptions = {
            version: VERSION,
            locale: _locale.value,
            fallbackLocale: _fallbackLocale.value,
            messages: _messages.value,
            modifiers: _modifiers,
            pluralRules: _pluralRules,
            missing: _runtimeMissing === null ? undefined : _runtimeMissing,
            missingWarn: _missingWarn,
            fallbackWarn: _fallbackWarn,
            fallbackFormat: _fallbackFormat,
            unresolving: true,
            postTranslation: _postTranslation === null ? undefined : _postTranslation,
            warnHtmlMessage: _warnHtmlMessage,
            escapeParameter: _escapeParameter,
            messageResolver: options.messageResolver,
            __meta: { framework: 'vue' }
        };
        {
            ctxOptions.datetimeFormats = _datetimeFormats.value;
            ctxOptions.numberFormats = _numberFormats.value;
            ctxOptions.__datetimeFormatters = isPlainObject(_context)
                ? _context.__datetimeFormatters
                : undefined;
            ctxOptions.__numberFormatters = isPlainObject(_context)
                ? _context.__numberFormatters
                : undefined;
        }
        return createCoreContext(ctxOptions);
    }
    _context = getCoreContext();
    updateFallbackLocale(_context, _locale.value, _fallbackLocale.value);
    // track reactivity
    function trackReactivityValues() {
        return [
                _locale.value,
                _fallbackLocale.value,
                _messages.value,
                _datetimeFormats.value,
                _numberFormats.value
            ]
            ;
    }
    // locale
    const locale = computed({
        get: () => _locale.value,
        set: val => {
            _locale.value = val;
            {
                if (__legacy) {
                    __legacy.locale = val;
                }
            }
            _context.locale = _locale.value;
        }
    });
    // fallbackLocale
    const fallbackLocale = computed({
        get: () => _fallbackLocale.value,
        set: val => {
            _fallbackLocale.value = val;
            {
                if (__legacy) {
                    __legacy.fallbackLocale = val;
                }
            }
            _context.fallbackLocale = _fallbackLocale.value;
            updateFallbackLocale(_context, _locale.value, val);
        }
    });
    // messages
    const messages = computed(() => _messages.value);
    // datetimeFormats
    const datetimeFormats = /* #__PURE__*/ computed(() => _datetimeFormats.value);
    // numberFormats
    const numberFormats = /* #__PURE__*/ computed(() => _numberFormats.value);
    // getPostTranslationHandler
    function getPostTranslationHandler() {
        return isFunction(_postTranslation) ? _postTranslation : null;
    }
    // setPostTranslationHandler
    function setPostTranslationHandler(handler) {
        _postTranslation = handler;
        _context.postTranslation = handler;
    }
    // getMissingHandler
    function getMissingHandler() {
        return _missing;
    }
    // setMissingHandler
    function setMissingHandler(handler) {
        if (handler !== null) {
            _runtimeMissing = defineCoreMissingHandler(handler);
        }
        _missing = handler;
        _context.missing = _runtimeMissing;
    }
    function isResolvedTranslateMessage(type, arg // eslint-disable-line @typescript-eslint/no-explicit-any
    ) {
        return type !== 'translate' || !arg.resolvedMessage;
    }
    function wrapWithDeps(fn, argumentParser, warnType, fallbackSuccess, fallbackFail, successCondition) {
        trackReactivityValues(); // track reactive dependency
        // NOTE: experimental !!
        let ret;
        if ((process.env.NODE_ENV !== 'production') || __INTLIFY_PROD_DEVTOOLS__) {
            try {
                setAdditionalMeta(getMetaInfo());
                ret = fn(_context);
            }
            finally {
                setAdditionalMeta(null);
            }
        }
        else {
            ret = fn(_context);
        }
        if (isNumber(ret) && ret === NOT_REOSLVED) {
            const [key, arg2] = argumentParser();
            if ((process.env.NODE_ENV !== 'production') &&
                __root &&
                isString(key) &&
                isResolvedTranslateMessage(warnType, arg2)) {
                if (_fallbackRoot &&
                    (isTranslateFallbackWarn(_fallbackWarn, key) ||
                        isTranslateMissingWarn(_missingWarn, key))) {
                    warn(getWarnMessage(I18nWarnCodes.FALLBACK_TO_ROOT, {
                        key,
                        type: warnType
                    }));
                }
            }
            return __root && _fallbackRoot
                ? fallbackSuccess(__root)
                : fallbackFail(key);
        }
        else if (successCondition(ret)) {
            return ret;
        }
        else {
            /* istanbul ignore next */
            throw createI18nError(I18nErrorCodes.UNEXPECTED_RETURN_TYPE);
        }
    }
    // t
    function t(...args) {
        return wrapWithDeps(context => Reflect.apply(translate, null, [context, ...args]), () => parseTranslateArgs(...args), 'translate', root => Reflect.apply(root.t, root, [...args]), key => key, val => isString(val));
    }
    // rt
    function rt(...args) {
        const [arg1, arg2, arg3] = args;
        if (arg3 && !isObject(arg3)) {
            throw createI18nError(I18nErrorCodes.INVALID_ARGUMENT);
        }
        return t(...[arg1, arg2, assign({ resolvedMessage: true }, arg3 || {})]);
    }
    // d
    function d(...args) {
        return wrapWithDeps(context => Reflect.apply(datetime, null, [context, ...args]), () => parseDateTimeArgs(...args), 'datetime format', root => Reflect.apply(root.d, root, [...args]), () => MISSING_RESOLVE_VALUE, val => isString(val));
    }
    // n
    function n(...args) {
        return wrapWithDeps(context => Reflect.apply(number, null, [context, ...args]), () => parseNumberArgs(...args), 'number format', root => Reflect.apply(root.n, root, [...args]), () => MISSING_RESOLVE_VALUE, val => isString(val));
    }
    function setPluralRules(rules) {
        _pluralRules = rules;
        _context.pluralRules = _pluralRules;
    }
    // te
    function te(key, locale) {
        const targetLocale = isString(locale) ? locale : _locale.value;
        const message = getLocaleMessage(targetLocale);
        return _context.messageResolver(message, key) !== null;
    }
    function resolveMessages(key) {
        let messages = null;
        const locales = fallbackWithLocaleChain(_context, _fallbackLocale.value, _locale.value);
        for (let i = 0; i < locales.length; i++) {
            const targetLocaleMessages = _messages.value[locales[i]] || {};
            const messageValue = _context.messageResolver(targetLocaleMessages, key);
            if (messageValue != null) {
                messages = messageValue;
                break;
            }
        }
        return messages;
    }
    // tm
    function tm(key) {
        const messages = resolveMessages(key);
        // prettier-ignore
        return messages != null
            ? messages
            : __root
                ? __root.tm(key) || {}
                : {};
    }
    // getLocaleMessage
    function getLocaleMessage(locale) {
        return (_messages.value[locale] || {});
    }
    // setLocaleMessage
    function setLocaleMessage(locale, message) {
        _messages.value[locale] = message;
        {
            __legacy && __legacy.setLocaleMessage(locale, message);
        }
        _context.messages = _messages.value;
    }
    // mergeLocaleMessage
    function mergeLocaleMessage(locale, message) {
        _messages.value[locale] = _messages.value[locale] || {};
        {
            __legacy && __legacy.mergeLocaleMessage(locale, message);
        }
        deepCopy(message, _messages.value[locale]);
        _context.messages = _messages.value;
    }
    // getDateTimeFormat
    function getDateTimeFormat(locale) {
        return _datetimeFormats.value[locale] || {};
    }
    // setDateTimeFormat
    function setDateTimeFormat(locale, format) {
        _datetimeFormats.value[locale] = format;
        {
            __legacy && __legacy.setDateTimeFormat(locale, format);
        }
        _context.datetimeFormats = _datetimeFormats.value;
        clearDateTimeFormat(_context, locale, format);
    }
    // mergeDateTimeFormat
    function mergeDateTimeFormat(locale, format) {
        _datetimeFormats.value[locale] = assign(_datetimeFormats.value[locale] || {}, format);
        {
            __legacy && __legacy.mergeDateTimeFormat(locale, format);
        }
        _context.datetimeFormats = _datetimeFormats.value;
        clearDateTimeFormat(_context, locale, format);
    }
    // getNumberFormat
    function getNumberFormat(locale) {
        return _numberFormats.value[locale] || {};
    }
    // setNumberFormat
    function setNumberFormat(locale, format) {
        _numberFormats.value[locale] = format;
        {
            __legacy && __legacy.setNumberFormat(locale, format);
        }
        _context.numberFormats = _numberFormats.value;
        clearNumberFormat(_context, locale, format);
    }
    // mergeNumberFormat
    function mergeNumberFormat(locale, format) {
        _numberFormats.value[locale] = assign(_numberFormats.value[locale] || {}, format);
        {
            __legacy && __legacy.mergeNumberFormat(locale, format);
        }
        _context.numberFormats = _numberFormats.value;
        clearNumberFormat(_context, locale, format);
    }
    // for debug
    composerID++;
    // watch root locale & fallbackLocale
    if (__root) {
        watch(__root.locale, (val) => {
            if (_inheritLocale) {
                _locale.value = val;
                {
                    if (__legacy) {
                        __legacy.locale = val;
                    }
                }
                _context.locale = val;
                updateFallbackLocale(_context, _locale.value, _fallbackLocale.value);
            }
        });
        watch(__root.fallbackLocale, (val) => {
            if (_inheritLocale) {
                _fallbackLocale.value = val;
                {
                    if (__legacy) {
                        __legacy.fallbackLocale = val;
                    }
                }
                _context.fallbackLocale = val;
                updateFallbackLocale(_context, _locale.value, _fallbackLocale.value);
            }
        });
    }
    // define basic composition API!
    const composer = {
        id: composerID,
        locale,
        fallbackLocale,
        get inheritLocale() {
            return _inheritLocale;
        },
        set inheritLocale(val) {
            _inheritLocale = val;
            {
                if (__legacy) {
                    __legacy._sync = val;
                }
            }
            if (val && __root) {
                _locale.value = __root.locale.value;
                _fallbackLocale.value = __root.fallbackLocale.value;
                {
                    if (__legacy) {
                        __legacy.locale = __root.locale.value;
                        __legacy.fallbackLocale = __root.fallbackLocale.value;
                    }
                }
                updateFallbackLocale(_context, _locale.value, _fallbackLocale.value);
            }
        },
        get availableLocales() {
            return Object.keys(_messages.value).sort();
        },
        messages,
        get modifiers() {
            return _modifiers;
        },
        get pluralRules() {
            return _pluralRules || {};
        },
        get isGlobal() {
            return _isGlobal;
        },
        get missingWarn() {
            return _missingWarn;
        },
        set missingWarn(val) {
            _missingWarn = val;
            _context.missingWarn = _missingWarn;
        },
        get fallbackWarn() {
            return _fallbackWarn;
        },
        set fallbackWarn(val) {
            _fallbackWarn = val;
            _context.fallbackWarn = _fallbackWarn;
        },
        get fallbackRoot() {
            return _fallbackRoot;
        },
        set fallbackRoot(val) {
            _fallbackRoot = val;
        },
        get fallbackFormat() {
            return _fallbackFormat;
        },
        set fallbackFormat(val) {
            _fallbackFormat = val;
            _context.fallbackFormat = _fallbackFormat;
        },
        get warnHtmlMessage() {
            return _warnHtmlMessage;
        },
        set warnHtmlMessage(val) {
            _warnHtmlMessage = val;
            _context.warnHtmlMessage = val;
        },
        get escapeParameter() {
            return _escapeParameter;
        },
        set escapeParameter(val) {
            _escapeParameter = val;
            _context.escapeParameter = val;
        },
        t,
        getLocaleMessage,
        setLocaleMessage,
        mergeLocaleMessage,
        getPostTranslationHandler,
        setPostTranslationHandler,
        getMissingHandler,
        setMissingHandler,
        [SetPluralRulesSymbol]: setPluralRules
    };
    {
        composer.datetimeFormats = datetimeFormats;
        composer.numberFormats = numberFormats;
        composer.rt = rt;
        composer.te = te;
        composer.tm = tm;
        composer.d = d;
        composer.n = n;
        composer.getDateTimeFormat = getDateTimeFormat;
        composer.setDateTimeFormat = setDateTimeFormat;
        composer.mergeDateTimeFormat = mergeDateTimeFormat;
        composer.getNumberFormat = getNumberFormat;
        composer.setNumberFormat = setNumberFormat;
        composer.mergeNumberFormat = mergeNumberFormat;
    }
    {
        composer[LegacyInstanceSymbol] = __legacy;
    }
    return composer;
}
/* eslint-enable @typescript-eslint/no-explicit-any */

/**
 * Port from vue-i18n@v8.x
 * This mixin is used when we use vue-i18n-bridge
 */
function defineMixin(i18n, VueI18n // eslint-disable-line @typescript-eslint/no-explicit-any, @typescript-eslint/explicit-module-boundary-types
) {
    return {
        beforeCreate() {
            const options = this.$options; // eslint-disable-line @typescript-eslint/no-explicit-any
            if (options.__VUE18N__INSTANCE__) {
                return;
            }
            options.i18n = options.i18n || (options.__i18n ? {} : null);
            this._i18nBridgeRoot = i18n;
            if (i18n.mode === 'composition') {
                this._i18n = i18n;
                return;
            }
            if (options.i18n) {
                if (options.i18n instanceof VueI18n) {
                    // init locale messages via custom blocks
                    if (options.__i18n) {
                        try {
                            const localeMessages = options.i18n && options.i18n.messages
                                ? options.i18n.messages
                                : {};
                            options.__i18n.forEach(resource => deepCopy(localeMessages, JSON.parse(resource)));
                            Object.keys(localeMessages).forEach((locale) => {
                                options.i18n.mergeLocaleMessage(locale, localeMessages[locale]);
                            });
                        }
                        catch (e) {
                            if ((process.env.NODE_ENV !== 'production')) {
                                console.error(`Cannot parse locale messages via custom blocks.`, e);
                            }
                        }
                    }
                    this._i18n = options.i18n;
                    this._i18nWatcher = this._i18n.watchI18nData();
                }
                else if (isPlainObject(options.i18n)) {
                    const rootI18n = this.$root &&
                        this.$root.$i18n &&
                        this.$root.$i18n instanceof VueI18n
                        ? this.$root.$i18n
                        : null;
                    // component local i18n
                    if (rootI18n) {
                        options.i18n.root = this.$root;
                        options.i18n.formatter = rootI18n.formatter;
                        options.i18n.fallbackLocale = rootI18n.fallbackLocale;
                        options.i18n.formatFallbackMessages =
                            rootI18n.formatFallbackMessages;
                        options.i18n.silentTranslationWarn = rootI18n.silentTranslationWarn;
                        options.i18n.silentFallbackWarn = rootI18n.silentFallbackWarn;
                        options.i18n.pluralizationRules = rootI18n.pluralizationRules;
                        options.i18n.preserveDirectiveContent =
                            rootI18n.preserveDirectiveContent;
                    }
                    // init locale messages via custom blocks
                    if (options.__i18n) {
                        try {
                            const localeMessages = options.i18n && options.i18n.messages
                                ? options.i18n.messages
                                : {};
                            options.__i18n.forEach(resource => deepCopy(localeMessages, JSON.parse(resource)));
                            options.i18n.messages = localeMessages;
                        }
                        catch (e) {
                            if ((process.env.NODE_ENV !== 'production')) {
                                warn(`Cannot parse locale messages via custom blocks.`, e);
                            }
                        }
                    }
                    const { sharedMessages } = options.i18n;
                    if (sharedMessages && isPlainObject(sharedMessages)) {
                        deepCopy(options.i18n.messages, sharedMessages);
                    }
                    this._i18n = new VueI18n(options.i18n);
                    this._i18nWatcher = this._i18n.watchI18nData();
                    if (options.i18n.sync === undefined || !!options.i18n.sync) {
                        this._localeWatcher = this.$i18n.watchLocale();
                    }
                    if (rootI18n) {
                        rootI18n.onComponentInstanceCreated(this._i18n);
                    }
                }
                else {
                    if ((process.env.NODE_ENV !== 'production')) {
                        warn(`Cannot be interpreted 'i18n' option.`);
                    }
                }
            }
            else if (this.$root &&
                this.$root.$i18n &&
                this.$root.$i18n instanceof VueI18n) {
                // root i18n
                this._i18n = this.$root.$i18n;
            }
            else if (options.parent &&
                options.parent.$i18n &&
                options.parent.$i18n instanceof VueI18n) {
                // parent i18n
                this._i18n = options.parent.$i18n;
            }
        },
        beforeMount() {
            const options = this.$options; // eslint-disable-line @typescript-eslint/no-explicit-any
            if (options.__VUE18N__INSTANCE__) {
                return;
            }
            options.i18n = options.i18n || (options.__i18n ? {} : null);
            if (options.i18n) {
                if (options.i18n instanceof VueI18n) {
                    // init locale messages via custom blocks
                    this._i18n.subscribeDataChanging(this);
                    this._subscribing = true;
                }
                else if (isPlainObject(options.i18n)) {
                    this._i18n.subscribeDataChanging(this);
                    this._subscribing = true;
                }
                else {
                    if ((process.env.NODE_ENV !== 'production')) {
                        warn(`Cannot be interpreted 'i18n' option.`);
                    }
                }
            }
            else if (this.$root &&
                this.$root.$i18n &&
                this.$root.$i18n instanceof VueI18n) {
                this._i18n.subscribeDataChanging(this);
                this._subscribing = true;
            }
            else if (options.parent &&
                options.parent.$i18n &&
                options.parent.$i18n instanceof VueI18n) {
                this._i18n.subscribeDataChanging(this);
                this._subscribing = true;
            }
        },
        beforeDestroy() {
            const options = this.$options; // eslint-disable-line @typescript-eslint/no-explicit-any
            if (options.__VUE18N__INSTANCE__) {
                return;
            }
            if (this._i18nBridgeRoot) {
                delete this._i18nBridgeRoot;
                return;
            }
            if (i18n.mode === 'composition') {
                delete this._i18n;
                return;
            }
            if (!this._i18n) {
                return;
            }
            const self = this; // eslint-disable-line @typescript-eslint/no-explicit-any
            this.$nextTick(() => {
                if (self._subscribing) {
                    self._i18n.unsubscribeDataChanging(self);
                    delete self._subscribing;
                }
                if (self._i18nWatcher) {
                    self._i18nWatcher();
                    self._i18n.destroyVM();
                    delete self._i18nWatcher;
                }
                if (self._localeWatcher) {
                    self._localeWatcher();
                    delete self._localeWatcher;
                }
            });
        }
    };
}

// for bridge
let _legacyVueI18n = null; // eslint-disable-line @typescript-eslint/no-explicit-any
let _legacyI18n = null; // eslint-disable-line @typescript-eslint/no-explicit-any
/**
 * Injection key for {@link useI18n}
 *
 * @remarks
 * The global injection key for I18n instances with `useI18n`. this injection key is used in Web Components.
 * Specify the i18n instance created by {@link createI18n} together with `provide` function.
 *
 * @VueI18nGeneral
 */
const I18nInjectionKey = 
/* #__PURE__*/ makeSymbol('global-vue-i18n');
// eslint-disable-next-line @typescript-eslint/no-explicit-any, @typescript-eslint/explicit-module-boundary-types
function createI18n(options = {}, VueI18nLegacy) {
    if (_legacyI18n) {
        (process.env.NODE_ENV !== 'production') &&
            warn(getWarnMessage(I18nWarnCodes.NOT_SUPPORT_MULTI_I18N_INSTANCE));
        return _legacyI18n;
    }
    {
        _legacyVueI18n = VueI18nLegacy;
    }
    // prettier-ignore
    const __legacyMode = __VUE_I18N_LEGACY_API__ && isBoolean(options.legacy)
            ? options.legacy
            : __VUE_I18N_LEGACY_API__;
     !!options.globalInjection;
    const __instances = new Map();
    const __global = createGlobal(options, __legacyMode, VueI18nLegacy);
    makeSymbol((process.env.NODE_ENV !== 'production') ? 'vue-i18n' : '');
    function __getInstance(component) {
        return __instances.get(component) || null;
    }
    function __setInstance(component, instance) {
        __instances.set(component, instance);
    }
    function __deleteInstance(component) {
        __instances.delete(component);
    }
    {
        // extend legacy VueI18n instance
        const i18n = __global[LegacyInstanceSymbol]; // eslint-disable-line @typescript-eslint/no-explicit-any
        Object.defineProperty(i18n, 'global', {
            get() {
                return __global;
            }
        });
        Object.defineProperty(i18n, 'mode', {
            get() {
                return __legacyMode ? 'legacy' : 'composition';
            }
        });
        Object.defineProperty(i18n, '__instances', {
            get() {
                return __instances;
            }
        });
        Object.defineProperty(i18n, 'install', {
            // eslint-disable-next-line @typescript-eslint/no-explicit-any
            value: (Vue) => {
                const version = (Vue && Vue.version && Number(Vue.version.split('.')[0])) || -1;
                if (version !== 2) {
                    throw createI18nError(I18nErrorCodes.BRIDGE_SUPPORT_VUE_2_ONLY);
                }
                Vue.mixin(defineMixin(i18n, _legacyVueI18n));
            }
        });
        const methodMap = {
            __getInstance,
            __setInstance,
            __deleteInstance
        };
        Object.keys(methodMap).forEach(key => Object.defineProperty(i18n, key, { value: methodMap[key] }) // eslint-disable-line @typescript-eslint/no-explicit-any
        );
        _legacyI18n = i18n;
        return i18n;
    }
}
// eslint-disable-next-line @typescript-eslint/explicit-module-boundary-types
function useI18n(options = {}) {
    const instance = getCurrentInstance();
    if (instance == null) {
        throw createI18nError(I18nErrorCodes.MUST_BE_CALL_SETUP_TOP);
    }
    {
        if (_legacyVueI18n == null || _legacyI18n == null) {
            throw createI18nError(I18nErrorCodes.NOT_INSLALLED);
        }
    }
    const i18n = getI18nInstance(instance);
    const global = getGlobalComposer(i18n);
    const componentOptions = getComponentOptions(instance);
    const scope = getScope(options, componentOptions);
    if (scope === 'global') {
        adjustI18nResources(global, options, componentOptions);
        return global;
    }
    if (scope === 'parent') {
        let composer = getComposer(i18n, instance);
        if (composer == null) {
            if ((process.env.NODE_ENV !== 'production')) {
                warn(getWarnMessage(I18nWarnCodes.NOT_FOUND_PARENT_SCOPE));
            }
            composer = global;
        }
        return composer;
    }
    // scope 'local' case
    if (i18n.mode === 'legacy') {
        throw createI18nError(I18nErrorCodes.NOT_AVAILABLE_IN_LEGACY_MODE);
    }
    const i18nInternal = i18n;
    let composer = i18nInternal.__getInstance(instance);
    if (composer == null) {
        const composerOptions = assign({}, options);
        if ('__i18n' in componentOptions) {
            composerOptions.__i18n = componentOptions.__i18n;
        }
        if (global) {
            composerOptions.__root = global;
        }
        composer = createComposer(composerOptions, _legacyVueI18n);
        setupLifeCycle(i18nInternal, instance, composer);
        i18nInternal.__setInstance(instance, composer);
    }
    return composer;
}
function createGlobal(options, legacyMode, VueI18nLegacy // eslint-disable-line @typescript-eslint/no-explicit-any
) {
    {
        if (!isLegacyVueI18n(VueI18nLegacy)) {
            throw createI18nError(I18nErrorCodes.NOT_COMPATIBLE_LEGACY_VUE_I18N);
        }
        return createComposer(options, VueI18nLegacy);
    }
}
function getI18nInstance(instance) {
    {
        const vm = instance.proxy;
        /* istanbul ignore if */
        if (vm == null) {
            throw createI18nError(I18nErrorCodes.UNEXPECTED_ERROR);
        }
        const i18n = vm._i18nBridgeRoot; // eslint-disable-line @typescript-eslint/no-explicit-any
        /* istanbul ignore if */
        if (!i18n) {
            throw createI18nError(I18nErrorCodes.NOT_INSLALLED);
        }
        return i18n;
    }
}
// eslint-disable-next-line @typescript-eslint/no-explicit-any
function getComponentOptions(instance) {
    return instance.proxy.$options;
}
// eslint-disable-next-line @typescript-eslint/no-explicit-any
function getScope(options, componentOptions) {
    // prettier-ignore
    return isEmptyObject(options)
        ? ('__i18n' in componentOptions)
            ? 'local'
            : 'global'
        : !options.useScope
            ? 'local'
            : options.useScope;
}
function getGlobalComposer(i18n) {
    // prettier-ignore
    return i18n.global;
}
function adjustI18nResources(global, options, componentOptions // eslint-disable-line @typescript-eslint/no-explicit-any
) {
    let messages = isObject(options.messages) ? options.messages : {};
    if ('__i18nGlobal' in componentOptions) {
        messages = getLocaleMessages(global.locale.value, {
            messages,
            __i18n: componentOptions.__i18nGlobal
        });
    }
    // merge locale messages
    const locales = Object.keys(messages);
    if (locales.length) {
        locales.forEach(locale => {
            global.mergeLocaleMessage(locale, messages[locale]);
        });
    }
    {
        // merge datetime formats
        if (isObject(options.datetimeFormats)) {
            const locales = Object.keys(options.datetimeFormats);
            if (locales.length) {
                locales.forEach(locale => {
                    global.mergeDateTimeFormat(locale, options.datetimeFormats[locale]);
                });
            }
        }
        // merge number formats
        if (isObject(options.numberFormats)) {
            const locales = Object.keys(options.numberFormats);
            if (locales.length) {
                locales.forEach(locale => {
                    global.mergeNumberFormat(locale, options.numberFormats[locale]);
                });
            }
        }
    }
}
function getComposer(i18n, target) {
    let composer = null;
    const root = target.root;
    let current = target.parent;
    while (current != null) {
        const i18nInternal = i18n;
        if (i18n.mode === 'composition') {
            composer = i18nInternal.__getInstance(current);
        }
        else {
            if (__VUE_I18N_LEGACY_API__) {
                const vueI18n = i18nInternal.__getInstance(current);
                if (vueI18n != null) {
                    composer = vueI18n
                        .__composer;
                }
            }
        }
        if (composer != null) {
            break;
        }
        if (root === current) {
            break;
        }
        current = current.parent;
    }
    return composer;
}
function setupLifeCycle(i18n, target, composer) {
    {
        // assign legacy VueI18n instance to Vue2 instance
        // eslint-disable-next-line @typescript-eslint/no-explicit-any
        const vm = target.proxy;
        if (vm == null) {
            throw createI18nError(I18nErrorCodes.UNEXPECTED_ERROR);
        }
        // eslint-disable-next-line @typescript-eslint/no-explicit-any
        const _i18n = composer[LegacyInstanceSymbol];
        if (_i18n === i18n) {
            throw createI18nError(I18nErrorCodes.UNEXPECTED_ERROR);
        }
        vm._i18n = _i18n;
        vm._i18n_bridge = true;
        vm._i18nWatcher = vm._i18n.watchI18nData();
        if (vm._i18n._sync) {
            vm._localeWatcher = vm._i18n.watchLocale();
        }
        let subscribing = false;
        onBeforeMount(() => {
            vm._i18n.subscribeDataChanging(vm);
            subscribing = true;
        }, target);
        onUnmounted(() => {
            if (subscribing) {
                vm._i18n.unsubscribeDataChanging(vm);
                subscribing = false;
            }
            if (vm._i18nWatcher) {
                vm._i18nWatcher();
                vm._i18n.destroyVM();
                delete vm._i18nWatcher;
            }
            if (vm._localeWatcher) {
                vm._localeWatcher();
                delete vm._localeWatcher;
            }
            delete vm._i18n_bridge;
            delete vm._i18n;
        }, target);
    }
}

// register message compiler at vue-i18n
registerMessageCompiler(compileToFunction);
// register message resolver at vue-i18n
registerMessageResolver(resolveValue);
// register fallback locale at vue-i18n
registerLocaleFallbacker(fallbackWithLocaleChain);
{
    initFeatureFlags();
}
// NOTE: experimental !!
if ((process.env.NODE_ENV !== 'production') || __INTLIFY_PROD_DEVTOOLS__) {
    const target = getGlobalThis();
    target.__INTLIFY__ = true;
    setDevToolsHook(target.__INTLIFY_DEVTOOLS_GLOBAL_HOOK__);
}
if ((process.env.NODE_ENV !== 'production')) ;

export { I18nInjectionKey, VERSION, createI18n, useI18n };