Dingdong_app/models/wordsModel.js

import * as Localization from "expo-localization";
import { i18n, keys } from "../language";

export default {
  state: {
    local: "",
  },
  actions: ({ model, setState }) => ({
    getWords() {
      const { local } = model();
      if (local) {
        i18n.locale = local;
      } else {
        i18n.locale = Localization.locale;
        setState({ local: Localization.locale });
      }
      const words = {};
      keys.forEach(item => {
        words[item] = i18n.t(item);
      });
      setState({ ...words });
    },
    getWordsStr(key) {
      const allWords = model();
      return allWords[key];
    },
    weekWords() {
      const {
        MONDAY,
        TUESDAY,
        WEDNESDAY,
        THURSDAY,
        FRIDAY,
        SATURDAY,
        SUNDAY,
        every,
      } = model();

      return {
        MONDAY,
        TUESDAY,
        WEDNESDAY,
        THURSDAY,
        FRIDAY,
        SATURDAY,
        SUNDAY,
        all: every,
      };
    },
    changeLocal() {
      const { local, getWords } = model();
      const list = ["zh", "th", "en"];
      const nowIndex = list.findIndex(item => {
        return local.indexOf(item) !== -1;
      });
      if (nowIndex !== -1) {
        setState({ local: list[(nowIndex + 1) % 3] });
      } else {
        setState({ local: Localization.locale });
      }
      getWords();
    },
  }),
};
// 国际化