vue-i18n-bridge/dist/vue-i18n-bridge.runtime.global.js

/*!
  * vue-i18n-bridge v9.2.0-beta.6
  * (c) 2021 kazuya kawaguchi
  * Released under the MIT License.
  */
var VueI18nBridge = (function (exports, compositionApi) {
  'use strict';

  /**
   * Original Utilities
   * written by kazuya kawaguchi
   */
  const inBrowser = typeof window !== 'undefined';
  let mark;
  {
      const perf = inBrowser && window.performance;
      if (perf &&
          perf.mark &&
          perf.measure &&
          perf.clearMarks &&
          perf.clearMeasures) {
          mark = (tag) => perf.mark(tag);
      }
  }
  const RE_ARGS = /\{([0-9a-zA-Z]+)\}/g;
  /* eslint-disable */
  function format(message, ...args) {
      if (args.length === 1 && isObject(args[0])) {
          args = args[0];
      }
      if (!args || !args.hasOwnProperty) {
          args = {};
      }
      return message.replace(RE_ARGS, (match, identifier) => {
          return args.hasOwnProperty(identifier) ? args[identifier] : '';
      });
  }
  const hasSymbol = typeof Symbol === 'function' && typeof Symbol.toStringTag === 'symbol';
  const makeSymbol = (name) => hasSymbol ? Symbol(name) : name;
  const generateFormatCacheKey = (locale, key, source) => friendlyJSONstringify({ l: locale, k: key, s: source });
  const friendlyJSONstringify = (json) => JSON.stringify(json)
      .replace(/\u2028/g, '\\u2028')
      .replace(/\u2029/g, '\\u2029')
      .replace(/\u0027/g, '\\u0027');
  const isNumber = (val) => typeof val === 'number' && isFinite(val);
  const isDate = (val) => toTypeString(val) === '[object Date]';
  const isRegExp = (val) => toTypeString(val) === '[object RegExp]';
  const isEmptyObject = (val) => isPlainObject(val) && Object.keys(val).length === 0;
  function warn(msg, err) {
      if (typeof console !== 'undefined') {
          console.warn(`[intlify] ` + msg);
          /* istanbul ignore if */
          if (err) {
              console.warn(err.stack);
          }
      }
  }
  const assign = Object.assign;
  let _globalThis;
  const getGlobalThis = () => {
      // prettier-ignore
      return (_globalThis ||
          (_globalThis =
              typeof globalThis !== 'undefined'
                  ? globalThis
                  : typeof self !== 'undefined'
                      ? self
                      : typeof window !== 'undefined'
                          ? window
                          : typeof global !== 'undefined'
                              ? global
                              : {}));
  };
  function escapeHtml(rawText) {
      return rawText
          .replace(/</g, '&lt;')
          .replace(/>/g, '&gt;')
          .replace(/"/g, '&quot;')
          .replace(/'/g, '&apos;');
  }
  const hasOwnProperty = Object.prototype.hasOwnProperty;
  function hasOwn(obj, key) {
      return hasOwnProperty.call(obj, key);
  }
  /* eslint-enable */
  /**
   * Useful Utilities By Evan you
   * Modified by kazuya kawaguchi
   * MIT License
   * https://github.com/vuejs/vue-next/blob/master/packages/shared/src/index.ts
   * https://github.com/vuejs/vue-next/blob/master/packages/shared/src/codeframe.ts
   */
  const isArray = Array.isArray;
  const isFunction = (val) => typeof val === 'function';
  const isString = (val) => typeof val === 'string';
  const isBoolean = (val) => typeof val === 'boolean';
  const isObject = (val) => // eslint-disable-line
   val !== null && typeof val === 'object';
  const objectToString = Object.prototype.toString;
  const toTypeString = (value) => objectToString.call(value);
  const isPlainObject = (val) => toTypeString(val) === '[object Object]';
  // for converting list and named values to displayed strings.
  const toDisplayString = (val) => {
      return val == null
          ? ''
          : isArray(val) || (isPlainObject(val) && val.toString === objectToString)
              ? JSON.stringify(val, null, 2)
              : String(val);
  };

  const CompileErrorCodes = {
      // tokenizer error codes
      EXPECTED_TOKEN: 1,
      INVALID_TOKEN_IN_PLACEHOLDER: 2,
      UNTERMINATED_SINGLE_QUOTE_IN_PLACEHOLDER: 3,
      UNKNOWN_ESCAPE_SEQUENCE: 4,
      INVALID_UNICODE_ESCAPE_SEQUENCE: 5,
      UNBALANCED_CLOSING_BRACE: 6,
      UNTERMINATED_CLOSING_BRACE: 7,
      EMPTY_PLACEHOLDER: 8,
      NOT_ALLOW_NEST_PLACEHOLDER: 9,
      INVALID_LINKED_FORMAT: 10,
      // parser error codes
      MUST_HAVE_MESSAGES_IN_PLURAL: 11,
      UNEXPECTED_EMPTY_LINKED_MODIFIER: 12,
      UNEXPECTED_EMPTY_LINKED_KEY: 13,
      UNEXPECTED_LEXICAL_ANALYSIS: 14,
      // Special value for higher-order compilers to pick up the last code
      // to avoid collision of error codes. This should always be kept as the last
      // item.
      __EXTEND_POINT__: 15
  };
  /** @internal */
  const errorMessages$2 = {
      // tokenizer error messages
      [CompileErrorCodes.EXPECTED_TOKEN]: `Expected token: '{0}'`,
      [CompileErrorCodes.INVALID_TOKEN_IN_PLACEHOLDER]: `Invalid token in placeholder: '{0}'`,
      [CompileErrorCodes.UNTERMINATED_SINGLE_QUOTE_IN_PLACEHOLDER]: `Unterminated single quote in placeholder`,
      [CompileErrorCodes.UNKNOWN_ESCAPE_SEQUENCE]: `Unknown escape sequence: \\{0}`,
      [CompileErrorCodes.INVALID_UNICODE_ESCAPE_SEQUENCE]: `Invalid unicode escape sequence: {0}`,
      [CompileErrorCodes.UNBALANCED_CLOSING_BRACE]: `Unbalanced closing brace`,
      [CompileErrorCodes.UNTERMINATED_CLOSING_BRACE]: `Unterminated closing brace`,
      [CompileErrorCodes.EMPTY_PLACEHOLDER]: `Empty placeholder`,
      [CompileErrorCodes.NOT_ALLOW_NEST_PLACEHOLDER]: `Not allowed nest placeholder`,
      [CompileErrorCodes.INVALID_LINKED_FORMAT]: `Invalid linked format`,
      // parser error messages
      [CompileErrorCodes.MUST_HAVE_MESSAGES_IN_PLURAL]: `Plural must have messages`,
      [CompileErrorCodes.UNEXPECTED_EMPTY_LINKED_MODIFIER]: `Unexpected empty linked modifier`,
      [CompileErrorCodes.UNEXPECTED_EMPTY_LINKED_KEY]: `Unexpected empty linked key`,
      [CompileErrorCodes.UNEXPECTED_LEXICAL_ANALYSIS]: `Unexpected lexical analysis in token: '{0}'`
  };
  function createCompileError(code, loc, options = {}) {
      const { domain, messages, args } = options;
      const msg = format((messages || errorMessages$2)[code] || '', ...(args || []))
          ;
      const error = new SyntaxError(String(msg));
      error.code = code;
      if (loc) {
          error.location = loc;
      }
      error.domain = domain;
      return error;
  }

  const pathStateMachine =  [];
  pathStateMachine[0 /* BEFORE_PATH */] = {
      ["w" /* WORKSPACE */]: [0 /* BEFORE_PATH */],
      ["i" /* IDENT */]: [3 /* IN_IDENT */, 0 /* APPEND */],
      ["[" /* LEFT_BRACKET */]: [4 /* IN_SUB_PATH */],
      ["o" /* END_OF_FAIL */]: [7 /* AFTER_PATH */]
  };
  pathStateMachine[1 /* IN_PATH */] = {
      ["w" /* WORKSPACE */]: [1 /* IN_PATH */],
      ["." /* DOT */]: [2 /* BEFORE_IDENT */],
      ["[" /* LEFT_BRACKET */]: [4 /* IN_SUB_PATH */],
      ["o" /* END_OF_FAIL */]: [7 /* AFTER_PATH */]
  };
  pathStateMachine[2 /* BEFORE_IDENT */] = {
      ["w" /* WORKSPACE */]: [2 /* BEFORE_IDENT */],
      ["i" /* IDENT */]: [3 /* IN_IDENT */, 0 /* APPEND */],
      ["0" /* ZERO */]: [3 /* IN_IDENT */, 0 /* APPEND */]
  };
  pathStateMachine[3 /* IN_IDENT */] = {
      ["i" /* IDENT */]: [3 /* IN_IDENT */, 0 /* APPEND */],
      ["0" /* ZERO */]: [3 /* IN_IDENT */, 0 /* APPEND */],
      ["w" /* WORKSPACE */]: [1 /* IN_PATH */, 1 /* PUSH */],
      ["." /* DOT */]: [2 /* BEFORE_IDENT */, 1 /* PUSH */],
      ["[" /* LEFT_BRACKET */]: [4 /* IN_SUB_PATH */, 1 /* PUSH */],
      ["o" /* END_OF_FAIL */]: [7 /* AFTER_PATH */, 1 /* PUSH */]
  };
  pathStateMachine[4 /* IN_SUB_PATH */] = {
      ["'" /* SINGLE_QUOTE */]: [5 /* IN_SINGLE_QUOTE */, 0 /* APPEND */],
      ["\"" /* DOUBLE_QUOTE */]: [6 /* IN_DOUBLE_QUOTE */, 0 /* APPEND */],
      ["[" /* LEFT_BRACKET */]: [
          4 /* IN_SUB_PATH */,
          2 /* INC_SUB_PATH_DEPTH */
      ],
      ["]" /* RIGHT_BRACKET */]: [1 /* IN_PATH */, 3 /* PUSH_SUB_PATH */],
      ["o" /* END_OF_FAIL */]: 8 /* ERROR */,
      ["l" /* ELSE */]: [4 /* IN_SUB_PATH */, 0 /* APPEND */]
  };
  pathStateMachine[5 /* IN_SINGLE_QUOTE */] = {
      ["'" /* SINGLE_QUOTE */]: [4 /* IN_SUB_PATH */, 0 /* APPEND */],
      ["o" /* END_OF_FAIL */]: 8 /* ERROR */,
      ["l" /* ELSE */]: [5 /* IN_SINGLE_QUOTE */, 0 /* APPEND */]
  };
  pathStateMachine[6 /* IN_DOUBLE_QUOTE */] = {
      ["\"" /* DOUBLE_QUOTE */]: [4 /* IN_SUB_PATH */, 0 /* APPEND */],
      ["o" /* END_OF_FAIL */]: 8 /* ERROR */,
      ["l" /* ELSE */]: [6 /* IN_DOUBLE_QUOTE */, 0 /* APPEND */]
  };
  /**
   * Check if an expression is a literal value.
   */
  const literalValueRE = /^\s?(?:true|false|-?[\d.]+|'[^']*'|"[^"]*")\s?$/;
  function isLiteral(exp) {
      return literalValueRE.test(exp);
  }
  /**
   * Strip quotes from a string
   */
  function stripQuotes(str) {
      const a = str.charCodeAt(0);
      const b = str.charCodeAt(str.length - 1);
      return a === b && (a === 0x22 || a === 0x27) ? str.slice(1, -1) : str;
  }
  /**
   * Determine the type of a character in a keypath.
   */
  function getPathCharType(ch) {
      if (ch === undefined || ch === null) {
          return "o" /* END_OF_FAIL */;
      }
      const code = ch.charCodeAt(0);
      switch (code) {
          case 0x5b: // [
          case 0x5d: // ]
          case 0x2e: // .
          case 0x22: // "
          case 0x27: // '
              return ch;
          case 0x5f: // _
          case 0x24: // $
          case 0x2d: // -
              return "i" /* IDENT */;
          case 0x09: // Tab (HT)
          case 0x0a: // Newline (LF)
          case 0x0d: // Return (CR)
          case 0xa0: // No-break space (NBSP)
          case 0xfeff: // Byte Order Mark (BOM)
          case 0x2028: // Line Separator (LS)
          case 0x2029: // Paragraph Separator (PS)
              return "w" /* WORKSPACE */;
      }
      return "i" /* IDENT */;
  }
  /**
   * Format a subPath, return its plain form if it is
   * a literal string or number. Otherwise prepend the
   * dynamic indicator (*).
   */
  function formatSubPath(path) {
      const trimmed = path.trim();
      // invalid leading 0
      if (path.charAt(0) === '0' && isNaN(parseInt(path))) {
          return false;
      }
      return isLiteral(trimmed)
          ? stripQuotes(trimmed)
          : "*" /* ASTARISK */ + trimmed;
  }
  /**
   * Parse a string path into an array of segments
   */
  function parse(path) {
      const keys = [];
      let index = -1;
      let mode = 0 /* BEFORE_PATH */;
      let subPathDepth = 0;
      let c;
      let key; // eslint-disable-line
      let newChar;
      let type;
      let transition;
      let action;
      let typeMap;
      const actions = [];
      actions[0 /* APPEND */] = () => {
          if (key === undefined) {
              key = newChar;
          }
          else {
              key += newChar;
          }
      };
      actions[1 /* PUSH */] = () => {
          if (key !== undefined) {
              keys.push(key);
              key = undefined;
          }
      };
      actions[2 /* INC_SUB_PATH_DEPTH */] = () => {
          actions[0 /* APPEND */]();
          subPathDepth++;
      };
      actions[3 /* PUSH_SUB_PATH */] = () => {
          if (subPathDepth > 0) {
              subPathDepth--;
              mode = 4 /* IN_SUB_PATH */;
              actions[0 /* APPEND */]();
          }
          else {
              subPathDepth = 0;
              if (key === undefined) {
                  return false;
              }
              key = formatSubPath(key);
              if (key === false) {
                  return false;
              }
              else {
                  actions[1 /* PUSH */]();
              }
          }
      };
      function maybeUnescapeQuote() {
          const nextChar = path[index + 1];
          if ((mode === 5 /* IN_SINGLE_QUOTE */ &&
              nextChar === "'" /* SINGLE_QUOTE */) ||
              (mode === 6 /* IN_DOUBLE_QUOTE */ &&
                  nextChar === "\"" /* DOUBLE_QUOTE */)) {
              index++;
              newChar = '\\' + nextChar;
              actions[0 /* APPEND */]();
              return true;
          }
      }
      while (mode !== null) {
          index++;
          c = path[index];
          if (c === '\\' && maybeUnescapeQuote()) {
              continue;
          }
          type = getPathCharType(c);
          typeMap = pathStateMachine[mode];
          transition = typeMap[type] || typeMap["l" /* ELSE */] || 8 /* ERROR */;
          // check parse error
          if (transition === 8 /* ERROR */) {
              return;
          }
          mode = transition[0];
          if (transition[1] !== undefined) {
              action = actions[transition[1]];
              if (action) {
                  newChar = c;
                  if (action() === false) {
                      return;
                  }
              }
          }
          // check parse finish
          if (mode === 7 /* AFTER_PATH */) {
              return keys;
          }
      }
  }
  // path token cache
  const cache = new Map();
  /**
   * key-value message resolver
   *
   * @remarks
   * Resolves messages with the key-value structure. Note that messages with a hierarchical structure such as objects cannot be resolved
   *
   * @param obj - A target object to be resolved with path
   * @param path - A {@link Path | path} to resolve the value of message
   *
   * @returns A resolved {@link PathValue | path value}
   *
   * @VueI18nGeneral
   */
  function resolveWithKeyValue(obj, path) {
      return isObject(obj) ? obj[path] : null;
  }
  /**
   * message resolver
   *
   * @remarks
   * Resolves messages. messages with a hierarchical structure such as objects can be resolved. This resolver is used in VueI18n as default.
   *
   * @param obj - A target object to be resolved with path
   * @param path - A {@link Path | path} to resolve the value of message
   *
   * @returns A resolved {@link PathValue | path value}
   *
   * @VueI18nGeneral
   */
  function resolveValue(obj, path) {
      // check object
      if (!isObject(obj)) {
          return null;
      }
      // parse path
      let hit = cache.get(path);
      if (!hit) {
          hit = parse(path);
          if (hit) {
              cache.set(path, hit);
          }
      }
      // check hit
      if (!hit) {
          return null;
      }
      // resolve path value
      const len = hit.length;
      let last = obj;
      let i = 0;
      while (i < len) {
          const val = last[hit[i]];
          if (val === undefined) {
              return null;
          }
          last = val;
          i++;
      }
      return last;
  }

  const DEFAULT_MODIFIER = (str) => str;
  const DEFAULT_MESSAGE = (ctx) => ''; // eslint-disable-line
  const DEFAULT_MESSAGE_DATA_TYPE = 'text';
  const DEFAULT_NORMALIZE = (values) => values.length === 0 ? '' : values.join('');
  const DEFAULT_INTERPOLATE = toDisplayString;
  function pluralDefault(choice, choicesLength) {
      choice = Math.abs(choice);
      if (choicesLength === 2) {
          // prettier-ignore
          return choice
              ? choice > 1
                  ? 1
                  : 0
              : 1;
      }
      return choice ? Math.min(choice, 2) : 0;
  }
  function getPluralIndex(options) {
      // prettier-ignore
      const index = isNumber(options.pluralIndex)
          ? options.pluralIndex
          : -1;
      // prettier-ignore
      return options.named && (isNumber(options.named.count) || isNumber(options.named.n))
          ? isNumber(options.named.count)
              ? options.named.count
              : isNumber(options.named.n)
                  ? options.named.n
                  : index
          : index;
  }
  function normalizeNamed(pluralIndex, props) {
      if (!props.count) {
          props.count = pluralIndex;
      }
      if (!props.n) {
          props.n = pluralIndex;
      }
  }
  function createMessageContext(options = {}) {
      const locale = options.locale;
      const pluralIndex = getPluralIndex(options);
      const pluralRule = isObject(options.pluralRules) &&
          isString(locale) &&
          isFunction(options.pluralRules[locale])
          ? options.pluralRules[locale]
          : pluralDefault;
      const orgPluralRule = isObject(options.pluralRules) &&
          isString(locale) &&
          isFunction(options.pluralRules[locale])
          ? pluralDefault
          : undefined;
      const plural = (messages) => messages[pluralRule(pluralIndex, messages.length, orgPluralRule)];
      const _list = options.list || [];
      const list = (index) => _list[index];
      // eslint-disable-next-line @typescript-eslint/no-explicit-any
      const _named = options.named || {};
      isNumber(options.pluralIndex) && normalizeNamed(pluralIndex, _named);
      const named = (key) => _named[key];
      // TODO: need to design resolve message function?
      function message(key) {
          // prettier-ignore
          const msg = isFunction(options.messages)
              ? options.messages(key)
              : isObject(options.messages)
                  ? options.messages[key]
                  : false;
          return !msg
              ? options.parent
                  ? options.parent.message(key) // resolve from parent messages
                  : DEFAULT_MESSAGE
              : msg;
      }
      const _modifier = (name) => options.modifiers
          ? options.modifiers[name]
          : DEFAULT_MODIFIER;
      const normalize = isPlainObject(options.processor) && isFunction(options.processor.normalize)
          ? options.processor.normalize
          : DEFAULT_NORMALIZE;
      const interpolate = isPlainObject(options.processor) &&
          isFunction(options.processor.interpolate)
          ? options.processor.interpolate
          : DEFAULT_INTERPOLATE;
      const type = isPlainObject(options.processor) && isString(options.processor.type)
          ? options.processor.type
          : DEFAULT_MESSAGE_DATA_TYPE;
      const ctx = {
          ["list" /* LIST */]: list,
          ["named" /* NAMED */]: named,
          ["plural" /* PLURAL */]: plural,
          ["linked" /* LINKED */]: (key, modifier) => {
              // TODO: should check `key`
              const msg = message(key)(ctx);
              return isString(modifier) ? _modifier(modifier)(msg) : msg;
          },
          ["message" /* MESSAGE */]: message,
          ["type" /* TYPE */]: type,
          ["interpolate" /* INTERPOLATE */]: interpolate,
          ["normalize" /* NORMALIZE */]: normalize
      };
      return ctx;
  }

  const IntlifyDevToolsHooks =  {
      I18nInit: 'i18n:init',
      FunctionTranslate: 'function:translate'
  };

  let devtools = null;
  function setDevToolsHook(hook) {
      devtools = hook;
  }
  function initI18nDevTools(i18n, version, meta) {
      // TODO: queue if devtools is undefined
      devtools &&
          devtools.emit(IntlifyDevToolsHooks.I18nInit, {
              timestamp: Date.now(),
              i18n,
              version,
              meta
          });
  }
  const translateDevTools = /* #__PURE__*/ createDevToolsHook(IntlifyDevToolsHooks.FunctionTranslate);
  function createDevToolsHook(hook) {
      return (payloads) => devtools && devtools.emit(hook, payloads);
  }

  const CoreWarnCodes = {
      NOT_FOUND_KEY: 1,
      FALLBACK_TO_TRANSLATE: 2,
      CANNOT_FORMAT_NUMBER: 3,
      FALLBACK_TO_NUMBER_FORMAT: 4,
      CANNOT_FORMAT_DATE: 5,
      FALLBACK_TO_DATE_FORMAT: 6,
      __EXTEND_POINT__: 7
  };
  /** @internal */
  const warnMessages$1 = {
      [CoreWarnCodes.NOT_FOUND_KEY]: `Not found '{key}' key in '{locale}' locale messages.`,
      [CoreWarnCodes.FALLBACK_TO_TRANSLATE]: `Fall back to translate '{key}' key with '{target}' locale.`,
      [CoreWarnCodes.CANNOT_FORMAT_NUMBER]: `Cannot format a number value due to not supported Intl.NumberFormat.`,
      [CoreWarnCodes.FALLBACK_TO_NUMBER_FORMAT]: `Fall back to number format '{key}' key with '{target}' locale.`,
      [CoreWarnCodes.CANNOT_FORMAT_DATE]: `Cannot format a date value due to not supported Intl.DateTimeFormat.`,
      [CoreWarnCodes.FALLBACK_TO_DATE_FORMAT]: `Fall back to datetime format '{key}' key with '{target}' locale.`
  };
  function getWarnMessage$1(code, ...args) {
      return format(warnMessages$1[code], ...args);
  }

  /**
   * Fallback with simple implemenation
   *
   * @remarks
   * A fallback locale function implemented with a simple fallback algorithm.
   *
   * Basically, it returns the value as specified in the `fallbackLocale` props, and is processed with the fallback inside intlify.
   *
   * @param ctx - A {@link CoreContext | context}
   * @param fallback - A {@link FallbackLocale | fallback locale}
   * @param start - A starting {@link Locale | locale}
   *
   * @returns Fallback locales
   *
   * @VueI18nGeneral
   */
  function fallbackWithSimple(ctx, fallback, start // eslint-disable-line @typescript-eslint/no-unused-vars
  ) {
      // prettier-ignore
      return [...new Set([
              start,
              ...(isArray(fallback)
                  ? fallback
                  : isObject(fallback)
                      ? Object.keys(fallback)
                      : isString(fallback)
                          ? [fallback]
                          : [start])
          ])];
  }
  /**
   * Fallback with locale chain
   *
   * @remarks
   * A fallback locale function implemented with a fallback chain algorithm. It's used in VueI18n as default.
   *
   * @param ctx - A {@link CoreContext | context}
   * @param fallback - A {@link FallbackLocale | fallback locale}
   * @param start - A starting {@link Locale | locale}
   *
   * @returns Fallback locales
   *
   * @VueI18nSee [Fallbacking](../guide/essentials/fallback)
   *
   * @VueI18nGeneral
   */
  function fallbackWithLocaleChain(ctx, fallback, start) {
      const startLocale = isString(start) ? start : DEFAULT_LOCALE;
      const context = ctx;
      if (!context.__localeChainCache) {
          context.__localeChainCache = new Map();
      }
      let chain = context.__localeChainCache.get(startLocale);
      if (!chain) {
          chain = [];
          // first block defined by start
          let block = [start];
          // while any intervening block found
          while (isArray(block)) {
              block = appendBlockToChain(chain, block, fallback);
          }
          // prettier-ignore
          // last block defined by default
          const defaults = isArray(fallback) || !isPlainObject(fallback)
              ? fallback
              : fallback['default']
                  ? fallback['default']
                  : null;
          // convert defaults to array
          block = isString(defaults) ? [defaults] : defaults;
          if (isArray(block)) {
              appendBlockToChain(chain, block, false);
          }
          context.__localeChainCache.set(startLocale, chain);
      }
      return chain;
  }
  function appendBlockToChain(chain, block, blocks) {
      let follow = true;
      for (let i = 0; i < block.length && isBoolean(follow); i++) {
          const locale = block[i];
          if (isString(locale)) {
              follow = appendLocaleToChain(chain, block[i], blocks);
          }
      }
      return follow;
  }
  function appendLocaleToChain(chain, locale, blocks) {
      let follow;
      const tokens = locale.split('-');
      do {
          const target = tokens.join('-');
          follow = appendItemToChain(chain, target, blocks);
          tokens.splice(-1, 1);
      } while (tokens.length && follow === true);
      return follow;
  }
  function appendItemToChain(chain, target, blocks) {
      let follow = false;
      if (!chain.includes(target)) {
          follow = true;
          if (target) {
              follow = target[target.length - 1] !== '!';
              const locale = target.replace(/!/g, '');
              chain.push(locale);
              if ((isArray(blocks) || isPlainObject(blocks)) &&
                  blocks[locale] // eslint-disable-line @typescript-eslint/no-explicit-any
              ) {
                  // eslint-disable-next-line @typescript-eslint/no-explicit-any
                  follow = blocks[locale];
              }
          }
      }
      return follow;
  }

  /* eslint-disable @typescript-eslint/no-explicit-any */
  /**
   * Intlify core-base version
   * @internal
   */
  const VERSION$1 = '9.2.0-beta.6';
  const NOT_REOSLVED = -1;
  const DEFAULT_LOCALE = 'en-US';
  const MISSING_RESOLVE_VALUE = '';
  function getDefaultLinkedModifiers() {
      return {
          upper: (val) => (isString(val) ? val.toUpperCase() : val),
          lower: (val) => (isString(val) ? val.toLowerCase() : val),
          // prettier-ignore
          capitalize: (val) => (isString(val)
              ? `${val.charAt(0).toLocaleUpperCase()}${val.substr(1)}`
              : val)
      };
  }
  let _compiler;
  let _resolver;
  /**
   * Register the message resolver
   *
   * @param resolver - A {@link MessageResolver} function
   *
   * @VueI18nGeneral
   */
  function registerMessageResolver(resolver) {
      _resolver = resolver;
  }
  let _fallbacker;
  /**
   * Register the locale fallbacker
   *
   * @param fallbacker - A {@link LocaleFallbacker} function
   *
   * @VueI18nGeneral
   */
  function registerLocaleFallbacker(fallbacker) {
      _fallbacker = fallbacker;
  }
  // Additional Meta for Intlify DevTools
  let _additionalMeta = null;
  const setAdditionalMeta =  (meta) => {
      _additionalMeta = meta;
  };
  const getAdditionalMeta =  () => _additionalMeta;
  // ID for CoreContext
  let _cid = 0;
  function createCoreContext(options = {}) {
      // setup options
      const version = isString(options.version) ? options.version : VERSION$1;
      const locale = isString(options.locale) ? options.locale : DEFAULT_LOCALE;
      const fallbackLocale = isArray(options.fallbackLocale) ||
          isPlainObject(options.fallbackLocale) ||
          isString(options.fallbackLocale) ||
          options.fallbackLocale === false
          ? options.fallbackLocale
          : locale;
      const messages = isPlainObject(options.messages)
          ? options.messages
          : { [locale]: {} };
      const datetimeFormats = isPlainObject(options.datetimeFormats)
              ? options.datetimeFormats
              : { [locale]: {} }
          ;
      const numberFormats = isPlainObject(options.numberFormats)
              ? options.numberFormats
              : { [locale]: {} }
          ;
      const modifiers = assign({}, options.modifiers || {}, getDefaultLinkedModifiers());
      const pluralRules = options.pluralRules || {};
      const missing = isFunction(options.missing) ? options.missing : null;
      const missingWarn = isBoolean(options.missingWarn) || isRegExp(options.missingWarn)
          ? options.missingWarn
          : true;
      const fallbackWarn = isBoolean(options.fallbackWarn) || isRegExp(options.fallbackWarn)
          ? options.fallbackWarn
          : true;
      const fallbackFormat = !!options.fallbackFormat;
      const unresolving = !!options.unresolving;
      const postTranslation = isFunction(options.postTranslation)
          ? options.postTranslation
          : null;
      const processor = isPlainObject(options.processor) ? options.processor : null;
      const warnHtmlMessage = isBoolean(options.warnHtmlMessage)
          ? options.warnHtmlMessage
          : true;
      const escapeParameter = !!options.escapeParameter;
      const messageCompiler = isFunction(options.messageCompiler)
          ? options.messageCompiler
          : _compiler;
      const messageResolver = isFunction(options.messageResolver)
          ? options.messageResolver
          : _resolver || resolveWithKeyValue;
      const localeFallbacker = isFunction(options.localeFallbacker)
          ? options.localeFallbacker
          : _fallbacker || fallbackWithSimple;
      const onWarn = isFunction(options.onWarn) ? options.onWarn : warn;
      // setup internal options
      const internalOptions = options;
      const __datetimeFormatters = isObject(internalOptions.__datetimeFormatters)
              ? internalOptions.__datetimeFormatters
              : new Map()
          ;
      const __numberFormatters = isObject(internalOptions.__numberFormatters)
              ? internalOptions.__numberFormatters
              : new Map()
          ;
      const __meta = isObject(internalOptions.__meta) ? internalOptions.__meta : {};
      _cid++;
      const context = {
          version,
          cid: _cid,
          locale,
          fallbackLocale,
          messages,
          modifiers,
          pluralRules,
          missing,
          missingWarn,
          fallbackWarn,
          fallbackFormat,
          unresolving,
          postTranslation,
          processor,
          warnHtmlMessage,
          escapeParameter,
          messageCompiler,
          messageResolver,
          localeFallbacker,
          onWarn,
          __meta
      };
      {
          context.datetimeFormats = datetimeFormats;
          context.numberFormats = numberFormats;
          context.__datetimeFormatters = __datetimeFormatters;
          context.__numberFormatters = __numberFormatters;
      }
      // NOTE: experimental !!
      {
          initI18nDevTools(context, version, __meta);
      }
      return context;
  }
  /** @internal */
  function isTranslateFallbackWarn(fallback, key) {
      return fallback instanceof RegExp ? fallback.test(key) : fallback;
  }
  /** @internal */
  function isTranslateMissingWarn(missing, key) {
      return missing instanceof RegExp ? missing.test(key) : missing;
  }
  /** @internal */
  function handleMissing(context, key, locale, missingWarn, type) {
      const { missing, onWarn } = context;
      if (missing !== null) {
          const ret = missing(context, locale, key, type);
          return isString(ret) ? ret : key;
      }
      else {
          if (isTranslateMissingWarn(missingWarn, key)) {
              onWarn(getWarnMessage$1(CoreWarnCodes.NOT_FOUND_KEY, { key, locale }));
          }
          return key;
      }
  }
  /** @internal */
  function updateFallbackLocale(ctx, locale, fallback) {
      const context = ctx;
      context.__localeChainCache = new Map();
      ctx.localeFallbacker(ctx, fallback, locale);
  }
  /* eslint-enable @typescript-eslint/no-explicit-any */

  let code$2 = CompileErrorCodes.__EXTEND_POINT__;
  const inc$2 = () => code$2++;
  const CoreErrorCodes = {
      INVALID_ARGUMENT: code$2,
      INVALID_DATE_ARGUMENT: inc$2(),
      INVALID_ISO_DATE_ARGUMENT: inc$2(),
      __EXTEND_POINT__: inc$2() // 18
  };
  function createCoreError(code) {
      return createCompileError(code, null, { messages: errorMessages$1 } );
  }
  /** @internal */
  const errorMessages$1 = {
      [CoreErrorCodes.INVALID_ARGUMENT]: 'Invalid arguments',
      [CoreErrorCodes.INVALID_DATE_ARGUMENT]: 'The date provided is an invalid Date object.' +
          'Make sure your Date represents a valid date.',
      [CoreErrorCodes.INVALID_ISO_DATE_ARGUMENT]: 'The argument provided is not a valid ISO date string'
  };

  const NOOP_MESSAGE_FUNCTION = () => '';
  const isMessageFunction = (val) => isFunction(val);
  // implementation of `translate` function
  function translate(context, ...args) {
      const { fallbackFormat, postTranslation, unresolving, fallbackLocale, messages } = context;
      const [key, options] = parseTranslateArgs(...args);
      const missingWarn = isBoolean(options.missingWarn)
          ? options.missingWarn
          : context.missingWarn;
      const fallbackWarn = isBoolean(options.fallbackWarn)
          ? options.fallbackWarn
          : context.fallbackWarn;
      const escapeParameter = isBoolean(options.escapeParameter)
          ? options.escapeParameter
          : context.escapeParameter;
      const resolvedMessage = !!options.resolvedMessage;
      // prettier-ignore
      const defaultMsgOrKey = isString(options.default) || isBoolean(options.default) // default by function option
          ? !isBoolean(options.default)
              ? options.default
              : key
          : fallbackFormat // default by `fallbackFormat` option
              ? key
              : '';
      const enableDefaultMsg = fallbackFormat || defaultMsgOrKey !== '';
      const locale = isString(options.locale) ? options.locale : context.locale;
      // escape params
      escapeParameter && escapeParams(options);
      // resolve message format
      // eslint-disable-next-line prefer-const
      let [format, targetLocale, message] = !resolvedMessage
          ? resolveMessageFormat(context, key, locale, fallbackLocale, fallbackWarn, missingWarn)
          : [
              key,
              locale,
              messages[locale] || {}
          ];
      // if you use default message, set it as message format!
      let cacheBaseKey = key;
      if (!resolvedMessage &&
          !(isString(format) || isMessageFunction(format))) {
          if (enableDefaultMsg) {
              format = defaultMsgOrKey;
              cacheBaseKey = format;
          }
      }
      // checking message format and target locale
      if (!resolvedMessage &&
          (!(isString(format) || isMessageFunction(format)) ||
              !isString(targetLocale))) {
          return unresolving ? NOT_REOSLVED : key;
      }
      if (isString(format) && context.messageCompiler == null) {
          warn(`The message format compilation is not supported in this build. ` +
              `Because message compiler isn't included. ` +
              `You need to pre-compilation all message format. ` +
              `So translate function return '${key}'.`);
          return key;
      }
      // setup compile error detecting
      let occurred = false;
      const errorDetector = () => {
          occurred = true;
      };
      // compile message format
      const msg = !isMessageFunction(format)
          ? compileMessageFormat(context, key, targetLocale, format, cacheBaseKey, errorDetector)
          : format;
      // if occurred compile error, return the message format
      if (occurred) {
          return format;
      }
      // evaluate message with context
      const ctxOptions = getMessageContextOptions(context, targetLocale, message, options);
      const msgContext = createMessageContext(ctxOptions);
      const messaged = evaluateMessage(context, msg, msgContext);
      // if use post translation option, proceed it with handler
      const ret = postTranslation ? postTranslation(messaged) : messaged;
      // NOTE: experimental !!
      {
          // prettier-ignore
          const payloads = {
              timestamp: Date.now(),
              key: isString(key)
                  ? key
                  : isMessageFunction(format)
                      ? format.key
                      : '',
              locale: targetLocale || (isMessageFunction(format)
                  ? format.locale
                  : ''),
              format: isString(format)
                  ? format
                  : isMessageFunction(format)
                      ? format.source
                      : '',
              message: ret
          };
          payloads.meta = assign({}, context.__meta, getAdditionalMeta() || {});
          translateDevTools(payloads);
      }
      return ret;
  }
  function escapeParams(options) {
      if (isArray(options.list)) {
          options.list = options.list.map(item => isString(item) ? escapeHtml(item) : item);
      }
      else if (isObject(options.named)) {
          Object.keys(options.named).forEach(key => {
              if (isString(options.named[key])) {
                  options.named[key] = escapeHtml(options.named[key]);
              }
          });
      }
  }
  function resolveMessageFormat(context, key, locale, fallbackLocale, fallbackWarn, missingWarn) {
      const { messages, onWarn, messageResolver: resolveValue, localeFallbacker } = context;
      const locales = localeFallbacker(context, fallbackLocale, locale); // eslint-disable-line @typescript-eslint/no-explicit-any
      let message = {};
      let targetLocale;
      let format = null;
      const type = 'translate';
      for (let i = 0; i < locales.length; i++) {
          targetLocale = locales[i];
          if (locale !== targetLocale &&
              isTranslateFallbackWarn(fallbackWarn, key)) {
              onWarn(getWarnMessage$1(CoreWarnCodes.FALLBACK_TO_TRANSLATE, {
                  key,
                  target: targetLocale
              }));
          }
          message =
              messages[targetLocale] || {};
          let startTag;
          if (inBrowser) {
              window.performance.now();
              startTag = 'intlify-message-resolve-start';
              mark && mark(startTag);
          }
          if ((format = resolveValue(message, key)) === null) {
              // if null, resolve with object key path
              format = message[key]; // eslint-disable-line @typescript-eslint/no-explicit-any
          }
          if (isString(format) || isFunction(format))
              break;
          const missingRet = handleMissing(context, // eslint-disable-line @typescript-eslint/no-explicit-any
          key, targetLocale, missingWarn, type);
          if (missingRet !== key) {
              format = missingRet;
          }
      }
      return [format, targetLocale, message];
  }
  function compileMessageFormat(context, key, targetLocale, format, cacheBaseKey, errorDetector) {
      const { messageCompiler, warnHtmlMessage } = context;
      if (isMessageFunction(format)) {
          const msg = format;
          msg.locale = msg.locale || targetLocale;
          msg.key = msg.key || key;
          return msg;
      }
      let startTag;
      if (inBrowser) {
          window.performance.now();
          startTag = 'intlify-message-compilation-start';
          mark && mark(startTag);
      }
      const msg = messageCompiler(format, getCompileOptions(context, targetLocale, cacheBaseKey, format, warnHtmlMessage, errorDetector));
      msg.locale = targetLocale;
      msg.key = key;
      msg.source = format;
      return msg;
  }
  function evaluateMessage(context, msg, msgCtx) {
      let startTag;
      if (inBrowser) {
          window.performance.now();
          startTag = 'intlify-message-evaluation-start';
          mark && mark(startTag);
      }
      const messaged = msg(msgCtx);
      return messaged;
  }
  /** @internal */
  function parseTranslateArgs(...args) {
      const [arg1, arg2, arg3] = args;
      const options = {};
      if (!isString(arg1) && !isNumber(arg1) && !isMessageFunction(arg1)) {
          throw createCoreError(CoreErrorCodes.INVALID_ARGUMENT);
      }
      // prettier-ignore
      const key = isNumber(arg1)
          ? String(arg1)
          : isMessageFunction(arg1)
              ? arg1
              : arg1;
      if (isNumber(arg2)) {
          options.plural = arg2;
      }
      else if (isString(arg2)) {
          options.default = arg2;
      }
      else if (isPlainObject(arg2) && !isEmptyObject(arg2)) {
          options.named = arg2;
      }
      else if (isArray(arg2)) {
          options.list = arg2;
      }
      if (isNumber(arg3)) {
          options.plural = arg3;
      }
      else if (isString(arg3)) {
          options.default = arg3;
      }
      else if (isPlainObject(arg3)) {
          assign(options, arg3);
      }
      return [key, options];
  }
  function getCompileOptions(context, locale, key, source, warnHtmlMessage, errorDetector) {
      return {
          warnHtmlMessage,
          onError: (err) => {
              errorDetector && errorDetector(err);
              {
                  throw err;
              }
          },
          onCacheKey: (source) => generateFormatCacheKey(locale, key, source)
      };
  }
  function getMessageContextOptions(context, locale, message, options) {
      const { modifiers, pluralRules, messageResolver: resolveValue } = context;
      const resolveMessage = (key) => {
          const val = resolveValue(message, key);
          if (isString(val)) {
              let occurred = false;
              const errorDetector = () => {
                  occurred = true;
              };
              const msg = compileMessageFormat(context, key, locale, val, key, errorDetector);
              return !occurred
                  ? msg
                  : NOOP_MESSAGE_FUNCTION;
          }
          else if (isMessageFunction(val)) {
              return val;
          }
          else {
              // TODO: should be implemented warning message
              return NOOP_MESSAGE_FUNCTION;
          }
      };
      const ctxOptions = {
          locale,
          modifiers,
          pluralRules,
          messages: resolveMessage
      };
      if (context.processor) {
          ctxOptions.processor = context.processor;
      }
      if (options.list) {
          ctxOptions.list = options.list;
      }
      if (options.named) {
          ctxOptions.named = options.named;
      }
      if (isNumber(options.plural)) {
          ctxOptions.pluralIndex = options.plural;
      }
      return ctxOptions;
  }

  const intlDefined = typeof Intl !== 'undefined';
  const Availabilities = {
      dateTimeFormat: intlDefined && typeof Intl.DateTimeFormat !== 'undefined',
      numberFormat: intlDefined && typeof Intl.NumberFormat !== 'undefined'
  };

  // implementation of `datetime` function
  function datetime(context, ...args) {
      const { datetimeFormats, unresolving, fallbackLocale, onWarn, localeFallbacker } = context;
      const { __datetimeFormatters } = context;
      if (!Availabilities.dateTimeFormat) {
          onWarn(getWarnMessage$1(CoreWarnCodes.CANNOT_FORMAT_DATE));
          return MISSING_RESOLVE_VALUE;
      }
      const [key, value, options, overrides] = parseDateTimeArgs(...args);
      const missingWarn = isBoolean(options.missingWarn)
          ? options.missingWarn
          : context.missingWarn;
      const fallbackWarn = isBoolean(options.fallbackWarn)
          ? options.fallbackWarn
          : context.fallbackWarn;
      const part = !!options.part;
      const locale = isString(options.locale) ? options.locale : context.locale;
      const locales = localeFallbacker(context, // eslint-disable-line @typescript-eslint/no-explicit-any
      fallbackLocale, locale);
      if (!isString(key) || key === '') {
          return new Intl.DateTimeFormat(locale).format(value);
      }
      // resolve format
      let datetimeFormat = {};
      let targetLocale;
      let format = null;
      const type = 'datetime format';
      for (let i = 0; i < locales.length; i++) {
          targetLocale = locales[i];
          if (locale !== targetLocale &&
              isTranslateFallbackWarn(fallbackWarn, key)) {
              onWarn(getWarnMessage$1(CoreWarnCodes.FALLBACK_TO_DATE_FORMAT, {
                  key,
                  target: targetLocale
              }));
          }
          datetimeFormat =
              datetimeFormats[targetLocale] || {};
          format = datetimeFormat[key];
          if (isPlainObject(format))
              break;
          handleMissing(context, key, targetLocale, missingWarn, type); // eslint-disable-line @typescript-eslint/no-explicit-any
      }
      // checking format and target locale
      if (!isPlainObject(format) || !isString(targetLocale)) {
          return unresolving ? NOT_REOSLVED : key;
      }
      let id = `${targetLocale}__${key}`;
      if (!isEmptyObject(overrides)) {
          id = `${id}__${JSON.stringify(overrides)}`;
      }
      let formatter = __datetimeFormatters.get(id);
      if (!formatter) {
          formatter = new Intl.DateTimeFormat(targetLocale, assign({}, format, overrides));
          __datetimeFormatters.set(id, formatter);
      }
      return !part ? formatter.format(value) : formatter.formatToParts(value);
  }
  /** @internal */
  function parseDateTimeArgs(...args) {
      const [arg1, arg2, arg3, arg4] = args;
      let options = {};
      let overrides = {};
      let value;
      if (isString(arg1)) {
          // Only allow ISO strings - other date formats are often supported,
          // but may cause different results in different browsers.
          const matches = arg1.match(/(\d{4}-\d{2}-\d{2})(T|\s)?(.*)/);
          if (!matches) {
              throw createCoreError(CoreErrorCodes.INVALID_ISO_DATE_ARGUMENT);
          }
          // Some browsers can not parse the iso datetime separated by space,
          // this is a compromise solution by replace the 'T'/' ' with 'T'
          const dateTime = matches[3]
              ? matches[3].trim().startsWith('T')
                  ? `${matches[1].trim()}${matches[3].trim()}`
                  : `${matches[1].trim()}T${matches[3].trim()}`
              : matches[1].trim();
          value = new Date(dateTime);
          try {
              // This will fail if the date is not valid
              value.toISOString();
          }
          catch (e) {
              throw createCoreError(CoreErrorCodes.INVALID_ISO_DATE_ARGUMENT);
          }
      }
      else if (isDate(arg1)) {
          if (isNaN(arg1.getTime())) {
              throw createCoreError(CoreErrorCodes.INVALID_DATE_ARGUMENT);
          }
          value = arg1;
      }
      else if (isNumber(arg1)) {
          value = arg1;
      }
      else {
          throw createCoreError(CoreErrorCodes.INVALID_ARGUMENT);
      }
      if (isString(arg2)) {
          options.key = arg2;
      }
      else if (isPlainObject(arg2)) {
          options = arg2;
      }
      if (isString(arg3)) {
          options.locale = arg3;
      }
      else if (isPlainObject(arg3)) {
          overrides = arg3;
      }
      if (isPlainObject(arg4)) {
          overrides = arg4;
      }
      return [options.key || '', value, options, overrides];
  }
  /** @internal */
  function clearDateTimeFormat(ctx, locale, format) {
      const context = ctx;
      for (const key in format) {
          const id = `${locale}__${key}`;
          if (!context.__datetimeFormatters.has(id)) {
              continue;
          }
          context.__datetimeFormatters.delete(id);
      }
  }

  // implementation of `number` function
  function number(context, ...args) {
      const { numberFormats, unresolving, fallbackLocale, onWarn, localeFallbacker } = context;
      const { __numberFormatters } = context;
      if (!Availabilities.numberFormat) {
          onWarn(getWarnMessage$1(CoreWarnCodes.CANNOT_FORMAT_NUMBER));
          return MISSING_RESOLVE_VALUE;
      }
      const [key, value, options, overrides] = parseNumberArgs(...args);
      const missingWarn = isBoolean(options.missingWarn)
          ? options.missingWarn
          : context.missingWarn;
      const fallbackWarn = isBoolean(options.fallbackWarn)
          ? options.fallbackWarn
          : context.fallbackWarn;
      const part = !!options.part;
      const locale = isString(options.locale) ? options.locale : context.locale;
      const locales = localeFallbacker(context, // eslint-disable-line @typescript-eslint/no-explicit-any
      fallbackLocale, locale);
      if (!isString(key) || key === '') {
          return new Intl.NumberFormat(locale).format(value);
      }
      // resolve format
      let numberFormat = {};
      let targetLocale;
      let format = null;
      const type = 'number format';
      for (let i = 0; i < locales.length; i++) {
          targetLocale = locales[i];
          if (locale !== targetLocale &&
              isTranslateFallbackWarn(fallbackWarn, key)) {
              onWarn(getWarnMessage$1(CoreWarnCodes.FALLBACK_TO_NUMBER_FORMAT, {
                  key,
                  target: targetLocale
              }));
          }
          numberFormat =
              numberFormats[targetLocale] || {};
          format = numberFormat[key];
          if (isPlainObject(format))
              break;
          handleMissing(context, key, targetLocale, missingWarn, type); // eslint-disable-line @typescript-eslint/no-explicit-any
      }
      // checking format and target locale
      if (!isPlainObject(format) || !isString(targetLocale)) {
          return unresolving ? NOT_REOSLVED : key;
      }
      let id = `${targetLocale}__${key}`;
      if (!isEmptyObject(overrides)) {
          id = `${id}__${JSON.stringify(overrides)}`;
      }
      let formatter = __numberFormatters.get(id);
      if (!formatter) {
          formatter = new Intl.NumberFormat(targetLocale, assign({}, format, overrides));
          __numberFormatters.set(id, formatter);
      }
      return !part ? formatter.format(value) : formatter.formatToParts(value);
  }
  /** @internal */
  function parseNumberArgs(...args) {
      const [arg1, arg2, arg3, arg4] = args;
      let options = {};
      let overrides = {};
      if (!isNumber(arg1)) {
          throw createCoreError(CoreErrorCodes.INVALID_ARGUMENT);
      }
      const value = arg1;
      if (isString(arg2)) {
          options.key = arg2;
      }
      else if (isPlainObject(arg2)) {
          options = arg2;
      }
      if (isString(arg3)) {
          options.locale = arg3;
      }
      else if (isPlainObject(arg3)) {
          overrides = arg3;
      }
      if (isPlainObject(arg4)) {
          overrides = arg4;
      }
      return [options.key || '', value, options, overrides];
  }
  /** @internal */
  function clearNumberFormat(ctx, locale, format) {
      const context = ctx;
      for (const key in format) {
          const id = `${locale}__${key}`;
          if (!context.__numberFormatters.has(id)) {
              continue;
          }
          context.__numberFormatters.delete(id);
      }
  }

  /**
   * 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 development env
   * istanbul-ignore-next
   */
  function initDev() {
      {
          {
              console.info(`You are running a development build of vue-i18n.\n` +
                  `Make sure to use the production build (*.prod.js) when deploying for production.`);
          }
      }
  }

  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, { messages: errorMessages, args } );
  }
  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');
  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, compositionApi.getCurrentInstance() || undefined, type);
      });
  }
  // for Intlify DevTools
  const getMetaInfo =  () => {
      const instance = compositionApi.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 = compositionApi.ref(
      // prettier-ignore
      __root && _inheritLocale
          ? __root.locale.value
          : isString(options.locale)
              ? options.locale
              : DEFAULT_LOCALE);
      const _fallbackLocale = compositionApi.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 = compositionApi.ref(getLocaleMessages(_locale.value, options));
      // prettier-ignore
      const _datetimeFormats = compositionApi.ref(isPlainObject(options.datetimeFormats)
              ? options.datetimeFormats
              : { [_locale.value]: {} })
          ;
      // prettier-ignore
      const _numberFormats = compositionApi.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 = compositionApi.computed({
          get: () => _locale.value,
          set: val => {
              _locale.value = val;
              {
                  if (__legacy) {
                      __legacy.locale = val;
                  }
              }
              _context.locale = _locale.value;
          }
      });
      // fallbackLocale
      const fallbackLocale = compositionApi.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 = compositionApi.computed(() => _messages.value);
      // datetimeFormats
      const datetimeFormats = /* #__PURE__*/ compositionApi.computed(() => _datetimeFormats.value);
      // numberFormats
      const numberFormats = /* #__PURE__*/ compositionApi.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;
          {
              try {
                  setAdditionalMeta(getMetaInfo());
                  ret = fn(_context);
              }
              finally {
                  setAdditionalMeta(null);
              }
          }
          if (isNumber(ret) && ret === NOT_REOSLVED) {
              const [key, arg2] = argumentParser();
              if (__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) {
          compositionApi.watch(__root.locale, (val) => {
              if (_inheritLocale) {
                  _locale.value = val;
                  {
                      if (__legacy) {
                          __legacy.locale = val;
                      }
                  }
                  _context.locale = val;
                  updateFallbackLocale(_context, _locale.value, _fallbackLocale.value);
              }
          });
          compositionApi.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.$options; // eslint-disable-line @typescript-eslint/no-explicit-any
              if (options.__VUE18N__INSTANCE__) {
                  return;
              }
              options.i18n = options.i18n || (options.__i18n ? {} : null);
              this._i18nBridgeRoot = i18n;
              if (i18n.mode === 'composition') {
                  this._i18n = i18n;
                  return;
              }
              if (options.i18n) {
                  if (options.i18n instanceof VueI18n) {
                      // init locale messages via custom blocks
                      if (options.__i18n) {
                          try {
                              const localeMessages = options.i18n && options.i18n.messages
                                  ? options.i18n.messages
                                  : {};
                              options.__i18n.forEach(resource => deepCopy(localeMessages, JSON.parse(resource)));
                              Object.keys(localeMessages).forEach((locale) => {
                                  options.i18n.mergeLocaleMessage(locale, localeMessages[locale]);
                              });
                          }
                          catch (e) {
                              {
                                  console.error(`Cannot parse locale messages via custom blocks.`, e);
                              }
                          }
                      }
                      this._i18n = options.i18n;
                      this._i18nWatcher = this._i18n.watchI18nData();
                  }
                  else if (isPlainObject(options.i18n)) {
                      const rootI18n = this.$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) {
                              {
                                  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 {
                      {
                          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.$options; // eslint-disable-line @typescript-eslint/no-explicit-any
              if (options.__VUE18N__INSTANCE__) {
                  return;
              }
              options.i18n = options.i18n || (options.__i18n ? {} : null);
              if (options.i18n) {
                  if (options.i18n instanceof VueI18n) {
                      // init locale messages via custom blocks
                      this._i18n.subscribeDataChanging(this);
                      this._subscribing = true;
                  }
                  else if (isPlainObject(options.i18n)) {
                      this._i18n.subscribeDataChanging(this);
                      this._subscribing = true;
                  }
                  else {
                      {
                          warn(`Cannot be interpreted 'i18n' option.`);
                      }
                  }
              }
              else if (this.$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) {
          warn(getWarnMessage(I18nWarnCodes.NOT_SUPPORT_MULTI_I18N_INSTANCE));
          return _legacyI18n;
      }
      {
          _legacyVueI18n = VueI18nLegacy;
      }
      // prettier-ignore
      const __legacyMode = isBoolean(options.legacy)
              ? options.legacy
              : true;
       !!options.globalInjection;
      const __instances = new Map();
      const __global = createGlobal(options, __legacyMode, VueI18nLegacy);
      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 = compositionApi.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) {
              {
                  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 {
              {
                  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;
          compositionApi.onBeforeMount(() => {
              vm._i18n.subscribeDataChanging(vm);
              subscribing = true;
          }, target);
          compositionApi.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 resolver at vue-i18n
  registerMessageResolver(resolveValue);
  // register fallback locale at vue-i18n
  registerLocaleFallbacker(fallbackWithLocaleChain);
  // NOTE: experimental !!
  {
      const target = getGlobalThis();
      target.__INTLIFY__ = true;
      setDevToolsHook(target.__INTLIFY_DEVTOOLS_GLOBAL_HOOK__);
  }
  {
      initDev();
  }

  exports.I18nInjectionKey = I18nInjectionKey;
  exports.VERSION = VERSION;
  exports.createI18n = createI18n;
  exports.useI18n = useI18n;

  Object.defineProperty(exports, '__esModule', { value: true });

  return exports;

}({}, VueCompositionAPI));