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   state: {
   7     variants: [],
   8     tr: {},
   9     user: {},
  10     settings: {},
  11     lang: ""
  12   },
  13   socketCloseListener: null,
  14   initialize() {
  15     ajax("/variants", "GET", res => {
  16       this.state.variants = res.variantArray.sort((v1,v2) => v1.localeCompare(v2));
  17     });
  18     let mysid = localStorage.getItem("mysid");
  19     // Assign mysid only once (until next time user clear browser data)
  20     if (!mysid) {
  21       mysid = getRandString();
  22       localStorage.setItem("mysid", mysid);
  23     }
  24     // Quick user setup using local storage:
  25     this.state.user = {
  26       id: localStorage.getItem("myid") || 0,
  27       name: localStorage.getItem("myname") || "", //"" for "anonymous"
  28       email: "", //unknown yet
  29       notify: false, //email notifications
  30       sid: mysid
  31     };
  32     // Slow verification through the server:
  33     // NOTE: still superficial identity usurpation possible, but difficult.
  34     ajax("/whoami", "GET", res => {
  35       this.state.user.id = res.id;
  36       const storedId = localStorage.getItem("myid");
  37       if (res.id > 0 && !storedId)
  38         // User cleared localStorage
  39         localStorage.setItem("myid", res.id);
  40       else if (res.id == 0 && !!storedId)
  41         // User cleared cookie
  42         localStorage.removeItem("myid");
  43       this.state.user.name = res.name;
  44       const storedName = localStorage.getItem("myname");
  45       if (!!res.name && !storedName)
  46         // User cleared localStorage
  47         localStorage.setItem("myname", res.name);
  48       else if (!res.name && !!storedName)
  49         // User cleared cookie
  50         localStorage.removeItem("myname");
  51       this.state.user.email = res.email;
  52       this.state.user.notify = res.notify;
  53     });
  54     // Settings initialized with values from localStorage
  55     this.state.settings = {
  56       bcolor: localStorage.getItem("bcolor") || "lichess",
  57       sound: parseInt(localStorage.getItem("sound")) || 1,
  58       hints: localStorage.getItem("hints") == "true",
  59       highlight: localStorage.getItem("highlight") == "true"
  60     };
  61     const supportedLangs = ["en", "es", "fr"];
  62     this.state.lang =
  63       localStorage["lang"] ||
  64       (supportedLangs.includes(navigator.language) ? navigator.language : "en");
  65     this.setTranslations();
  66   },
  67   updateSetting: function(propName, value) {
  68     this.state.settings[propName] = value;
  69     localStorage.setItem(propName, value);
  70   },
  71   setTranslations: async function() {
  72     // Import translations from "./translations/$lang.js"
  73     const tModule = await import("@/translations/" + this.state.lang + ".js");
  74     this.state.tr = tModule.translations;
  75   },
  76   setLanguage(lang) {
  77     this.state.lang = lang;
  78     this.setTranslations();
  79   }
  80 };