@dnb/eufemia/shared/useTranslation.js

DNB Eufemia Design System UI Library

"use client";

import _defineProperty from "@babel/runtime/helpers/esm/defineProperty";
var _br;
import "core-js/modules/es.string.replace.js";
import "core-js/modules/web.dom-collections.iterator.js";
function ownKeys(e, r) { var t = Object.keys(e); if (Object.getOwnPropertySymbols) { var o = Object.getOwnPropertySymbols(e); r && (o = o.filter(function (r) { return Object.getOwnPropertyDescriptor(e, r).enumerable; })), t.push.apply(t, o); } return t; }
function _objectSpread(e) { for (var r = 1; r < arguments.length; r++) { var t = null != arguments[r] ? arguments[r] : {}; r % 2 ? ownKeys(Object(t), !0).forEach(function (r) { _defineProperty(e, r, t[r]); }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(e, Object.getOwnPropertyDescriptors(t)) : ownKeys(Object(t)).forEach(function (r) { Object.defineProperty(e, r, Object.getOwnPropertyDescriptor(t, r)); }); } return e; }
import React, { Fragment, useCallback, useContext, useMemo, useRef } from 'react';
import Context from './Context';
import defaultLocales from './locales';
export default function useTranslation(messages, args) {
  const {
    locale,
    translation
  } = useContext(Context);
  const {
    assignUtils
  } = useAdditionalUtils();
  return useMemo(() => {
    const id = typeof messages === 'string' ? messages : undefined;
    if (id) {
      return formatMessage(id, args, translation);
    }
    return assignUtils(combineWithExternalTranslations({
      translation,
      messages,
      locale
    }));
  }, [messages, translation, locale, assignUtils, args]);
}
export function useAdditionalUtils() {
  const translationsRef = useRef();
  const fM = useCallback((id, args) => {
    return formatMessage(id, args, translationsRef.current);
  }, []);
  const rM = useCallback(message => {
    return renderMessage(message);
  }, []);
  const assignUtils = useCallback(translations => {
    translationsRef.current = translations;
    Object.assign(translations, {
      formatMessage: fM,
      renderMessage: rM
    });
    return translations;
  }, [fM, rM]);
  return {
    assignUtils
  };
}
export function combineWithExternalTranslations(_ref) {
  let {
    translation,
    messages,
    locale
  } = _ref;
  let combined = _objectSpread({}, translation);
  if (messages) {
    if (Object.keys(defaultLocales).some(locale => messages[locale])) {
      if (messages[locale]) {
        combined = messages[locale];
      }
    }
    for (const key in messages) {
      combined[key] = _objectSpread(_objectSpread({}, translation[key]), messages[key]);
    }
  }
  return combined;
}
export function formatMessage(id, args, messages) {
  let str = undefined;
  if (typeof id === 'string') {
    var _id$includes;
    let found = false;
    if (messages[id]) {
      str = messages[id];
      found = true;
    } else if (id !== null && id !== void 0 && (_id$includes = id.includes) !== null && _id$includes !== void 0 && _id$includes.call(id, '.')) {
      const keys = id.split('.');
      for (const key of keys) {
        if (messages[key]) {
          messages = messages[key];
        } else {
          break;
        }
      }
      if (typeof messages === 'string') {
        str = messages;
        found = true;
      }
    }
    if (!found && typeof id === 'string') {
      str = id;
    }
  } else if (typeof id === 'function') {
    str = id(messages);
  }
  if (typeof str === 'string') {
    for (const t in args) {
      str = str.replace(new RegExp(`{${t}}`, 'g'), args[t]);
    }
  }
  return str !== null && str !== void 0 ? str : id;
}
export function renderMessage(text) {
  let element = text;
  if (typeof text === 'string') {
    element = text.split('{br}');
  }
  if (Array.isArray(element)) {
    return element.map((item, index) => React.createElement(Fragment, {
      key: index
    }, item, _br || (_br = React.createElement("br", null))));
  }
  return text;
}
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