client/src/store.js

   1 import { ajax } from "./utils/ajax";
   2 import { getRandString } from "./utils/alea";
   3
   4 // Global store: see https://medium.com/fullstackio/managing-state-in-vue-js-23a0352b1c87
   5 export const store =
   6 {
   7   state: {
   8     variants: [],
   9     tr: {},
  10     user: {},
  11     settings: {},
  12     lang: "",
  13   },
  14   socketCloseListener: null,
  15   initialize() {
  16     ajax("/variants", "GET", res => { this.state.variants = res.variantArray; });
  17     let mysid = localStorage.getItem("mysid");
  18     if (!mysid)
  19     {
  20       mysid = getRandString();
  21       localStorage.setItem("mysid", mysid); //done only once (unless user clear browser data)
  22     }
  23     // Quick user setup using local storage:
  24     this.state.user = {
  25       id: localStorage.getItem("myid") || 0,
  26       name: localStorage.getItem("myname") || "", //"" for "anonymous"
  27       email: "", //unknown yet
  28       notify: false, //email notifications
  29       sid: mysid,
  30     };
  31     // Slow verification through the server:
  32     // NOTE: still superficial identity usurpation possible, but difficult.
  33     ajax("/whoami", "GET", res => {
  34       this.state.user.id = res.id;
  35       const storedId = localStorage.getItem("myid");
  36       if (res.id > 0 && !storedId) //user cleared localStorage
  37         localStorage.setItem("myid", res.id);
  38       else if (res.id == 0 && !!storedId) //user cleared cookie
  39         localStorage.removeItem("myid");
  40       this.state.user.name = res.name;
  41       const storedName = localStorage.getItem("myname");
  42       if (!!res.name && !storedName) //user cleared localStorage
  43         localStorage.setItem("myname", res.name);
  44       else if (!res.name && !!storedName) //user cleared cookie
  45         localStorage.removeItem("myname");
  46       this.state.user.email = res.email;
  47       this.state.user.notify = res.notify;
  48     });
  49     // Settings initialized with values from localStorage
  50     this.state.settings = {
  51       bcolor: localStorage.getItem("bcolor") || "lichess",
  52       sound: parseInt(localStorage.getItem("sound")) || 1,
  53       hints: localStorage.getItem("hints") == "true",
  54       highlight: localStorage.getItem("highlight") == "true",
  55     };
  56     const supportedLangs = ["en","es","fr"];
  57     this.state.lang = localStorage["lang"] ||
  58       (supportedLangs.includes(navigator.language)
  59         ? navigator.language
  60         : "en");
  61     this.setTranslations();
  62   },
  63   updateSetting: function(propName, value) {
  64     this.state.settings[propName] = value;
  65     localStorage.setItem(propName, value);
  66   },
  67   setTranslations: async function() {
  68     // Import translations from "./translations/$lang.js"
  69     const tModule = await import("@/translations/" + this.state.lang + ".js");
  70     this.state.tr = tModule.translations;
  71   },
  72   setLanguage(lang) {
  73     this.state.lang = lang;
  74     this.setTranslations();
  75   },
  76 };