Started code review + some fixes (unfinished)
[vchess.git] / client / src / views / Hall.vue
index 6f2dfea..190717d 100644 (file)
@@ -91,9 +91,9 @@ export default {
   components: {
     Chat,
     GameList,
-    ChallengeList,
+    ChallengeList
   },
-  data: function () {
+  data: function() {
     return {
       st: store.state,
       cdisplay: "live", //or corr
@@ -106,125 +106,129 @@ export default {
         fen: "",
         vid: localStorage.getItem("vid") || "",
         to: "", //name of challenged player (if any)
-        cadence: localStorage.getItem("cadence") || "",
+        cadence: localStorage.getItem("cadence") || ""
       },
       newChat: "",
       conn: null,
       connexionString: "",
       // Related to (killing of) self multi-connects:
       newConnect: {},
-      killed: {},
+      killed: {}
     };
   },
   watch: {
     // st.variants changes only once, at loading from [] to [...]
-    "st.variants": function(variantArray) {
+    "st.variants": function() {
       // Set potential challenges and games variant names:
       this.challenges.concat(this.games).forEach(o => {
-        if (o.vname == "")
-          o.vname = this.getVname(o.vid);
+        if (o.vname == "") o.vname = this.getVname(o.vid);
       });
-    },
+    }
   },
   computed: {
     anonymousCount: function() {
       let count = 0;
-      Object.values(this.people).forEach(p => { count += (!p.name ? 1 : 0); });
+      Object.values(this.people).forEach(p => {
+        count += !p.name ? 1 : 0;
+      });
       return count;
-    },
+    }
   },
   created: function() {
     const my = this.st.user;
-    this.$set(this.people, my.sid, {id:my.id, name:my.name, pages:["/"]});
+    this.$set(this.people, my.sid, { id: my.id, name: my.name, pages: ["/"] });
     // Ask server for current corr games (all but mines)
     ajax(
       "/games",
       "GET",
-      {uid: this.st.user.id, excluded: true},
+      { uid: this.st.user.id, excluded: true },
       response => {
-        this.games = this.games.concat(response.games.map(g => {
-          const type = this.classifyObject(g);
-          const vname = this.getVname(g.vid);
-          return Object.assign({}, g, {type: type, vname: vname});
-        }));
+        this.games = this.games.concat(
+          response.games.map(g => {
+            const type = this.classifyObject(g);
+            const vname = this.getVname(g.vid);
+            return Object.assign({}, g, { type: type, vname: vname });
+          })
+        );
       }
     );
     // Also ask for corr challenges (open + sent by/to me)
-    ajax(
-      "/challenges",
-      "GET",
-      {uid: this.st.user.id},
-      response => {
-        // Gather all senders names, and then retrieve full identity:
-        // (TODO [perf]: some might be online...)
-        let names = {};
-        response.challenges.forEach(c => {
-          if (c.uid != this.st.user.id)
-            names[c.uid] = ""; //unknwon for now
-          else if (!!c.target && c.target != this.st.user.id)
-            names[c.target] = "";
-        });
-        const addChallenges = (newChalls) => {
-          names[this.st.user.id] = this.st.user.name; //in case of
-          this.challenges = this.challenges.concat(
-            response.challenges.map(c => {
-              const from = {name: names[c.uid], id: c.uid}; //or just name
-              const type = this.classifyObject(c);
-              const vname = this.getVname(c.vid);
-              return Object.assign({},
-                {
-                  type: type,
-                  vname: vname,
-                  from: from,
-                  to: (!!c.target ? names[c.target] : ""),
-                },
-                c);
-            })
-          );
-        };
-        if (Object.keys(names).length > 0)
-        {
-          ajax("/users",
-            "GET",
-            { ids: Object.keys(names).join(",") },
-            response2 => {
-              response2.users.forEach(u => {names[u.id] = u.name});
-              addChallenges();
-            }
-          );
-        }
-        else
-          addChallenges();
-      }
-    );
+    ajax("/challenges", "GET", { uid: this.st.user.id }, response => {
+      // Gather all senders names, and then retrieve full identity:
+      // (TODO [perf]: some might be online...)
+      let names = {};
+      response.challenges.forEach(c => {
+        if (c.uid != this.st.user.id) names[c.uid] = "";
+        //unknwon for now
+        else if (!!c.target && c.target != this.st.user.id)
+          names[c.target] = "";
+      });
+      const addChallenges = () => {
+        names[this.st.user.id] = this.st.user.name; //in case of
+        this.challenges = this.challenges.concat(
+          response.challenges.map(c => {
+            const from = { name: names[c.uid], id: c.uid }; //or just name
+            const type = this.classifyObject(c);
+            const vname = this.getVname(c.vid);
+            return Object.assign(
+              {},
+              {
+                type: type,
+                vname: vname,
+                from: from,
+                to: c.target ? names[c.target] : ""
+              },
+              c
+            );
+          })
+        );
+      };
+      if (Object.keys(names).length > 0) {
+        ajax(
+          "/users",
+          "GET",
+          { ids: Object.keys(names).join(",") },
+          response2 => {
+            response2.users.forEach(u => {
+              names[u.id] = u.name;
+            });
+            addChallenges();
+          }
+        );
+      } else addChallenges();
+    });
     const connectAndPoll = () => {
       this.send("connect");
       this.send("pollclientsandgamers");
     };
     // Initialize connection
-    this.connexionString = params.socketUrl +
-      "/?sid=" + this.st.user.sid +
-      "&tmpId=" + getRandString() +
-      "&page=" + encodeURIComponent(this.$route.path);
+    this.connexionString =
+      params.socketUrl +
+      "/?sid=" +
+      this.st.user.sid +
+      "&tmpId=" +
+      getRandString() +
+      "&page=" +
+      encodeURIComponent(this.$route.path);
     this.conn = new WebSocket(this.connexionString);
     this.conn.onopen = connectAndPoll;
     this.conn.onmessage = this.socketMessageListener;
     this.conn.onclose = this.socketCloseListener;
   },
   mounted: function() {
-    ["peopleWrap","infoDiv","newgameDiv"].forEach(eltName => {
+    ["peopleWrap", "infoDiv", "newgameDiv"].forEach(eltName => {
       let elt = document.getElementById(eltName);
       elt.addEventListener("click", processModalClick);
     });
-    document.querySelectorAll("#predefinedCadences > button").forEach(
-      (b) => { b.addEventListener("click",
-        () => { this.newchallenge.cadence = b.innerHTML; }
-      )}
-    );
+    document.querySelectorAll("#predefinedCadences > button").forEach(b => {
+      b.addEventListener("click", () => {
+        this.newchallenge.cadence = b.innerHTML;
+      });
+    });
     const showCtype = localStorage.getItem("type-challenges") || "live";
     const showGtype = localStorage.getItem("type-games") || "live";
-    this.setDisplay('c', showCtype);
-    this.setDisplay('g', showGtype);
+    this.setDisplay("c", showCtype);
+    this.setDisplay("g", showGtype);
   },
   beforeDestroy: function() {
     this.send("disconnect");
@@ -232,20 +236,14 @@ export default {
   methods: {
     // Helpers:
     send: function(code, obj) {
-      if (!!this.conn)
-      {
-        this.conn.send(JSON.stringify(
-          Object.assign(
-            {code: code},
-            obj,
-          )
-        ));
+      if (this.conn) {
+        this.conn.send(JSON.stringify(Object.assign({ code: code }, obj)));
       }
     },
     getVname: function(vid) {
       const variant = this.st.variants.find(v => v.id == vid);
       // this.st.variants might be uninitialized (variant == null)
-      return (!!variant ? variant.name : "");
+      return variant ? variant.name : "";
     },
     filterChallenges: function(type) {
       return this.challenges.filter(c => c.type == type);
@@ -253,21 +251,24 @@ export default {
     filterGames: function(type) {
       return this.games.filter(g => g.type == type);
     },
-    classifyObject: function(o) { //challenge or game
-      return (o.cadence.indexOf('d') === -1 ? "live" : "corr");
+    classifyObject: function(o) {
+      //challenge or game
+      return o.cadence.indexOf("d") === -1 ? "live" : "corr";
     },
     setDisplay: function(letter, type, e) {
       this[letter + "display"] = type;
-      localStorage.setItem("type-" + (letter == 'c' ? "challenges" : "games"), type);
-      let elt = !!e
+      localStorage.setItem(
+        "type-" + (letter == "c" ? "challenges" : "games"),
+        type
+      );
+      let elt = e
         ? e.target
         : document.getElementById("btn" + letter.toUpperCase() + type);
       elt.classList.add("active");
       elt.classList.remove("somethingnew"); //in case of
-      if (!!elt.previousElementSibling)
+      if (elt.previousElementSibling)
         elt.previousElementSibling.classList.remove("active");
-      else
-        elt.nextElementSibling.classList.remove("active");
+      else elt.nextElementSibling.classList.remove("active");
     },
     isGamer: function(sid) {
       return this.people[sid].pages.some(p => p.indexOf("/game/") >= 0);
@@ -278,21 +279,17 @@ export default {
         : "Observe";
     },
     challOrWatch: function(sid) {
-      if (this.people[sid].pages.some(p => p == "/"))
-      {
+      if (this.people[sid].pages.some(p => p == "/")) {
         // Available, in Hall
         this.newchallenge.to = this.people[sid].name;
         document.getElementById("modalPeople").checked = false;
-        doClick("modalNewgame");
-      }
-      else
-      {
+        window.doClick("modalNewgame");
+      } else {
         // In some game, maybe playing maybe not: show a random one
         let gids = [];
         this.people[sid].pages.forEach(p => {
           const matchGid = p.match(/[a-zA-Z0-9]+$/);
-          if (!!matchGid)
-            gids.push(matchGid[0]);
+          if (matchGid) gids.push(matchGid[0]);
         });
         const gid = gids[Math.floor(Math.random() * gids.length)];
         this.showGame(this.games.find(g => g.id == gid));
@@ -311,90 +308,82 @@ export default {
       document.getElementById("peopleBtn").classList.remove("somethingnew");
     },
     processChat: function(chat) {
-      this.send("newchat", {data:chat});
+      this.send("newchat", { data: chat });
     },
     // Messaging center:
     socketMessageListener: function(msg) {
-      if (!this.conn)
-        return;
+      if (!this.conn) return;
       const data = JSON.parse(msg.data);
-      switch (data.code)
-      {
-        case "pollclientsandgamers":
-        {
+      switch (data.code) {
+        case "pollclientsandgamers": {
           // Since people can be both in Hall and Game,
           // need to track "askIdentity" requests:
           let identityAsked = {};
           data.sockIds.forEach(s => {
             const page = s.page || "/";
-            if (s.sid != this.st.user.sid && !identityAsked[s.sid])
-            {
+            if (s.sid != this.st.user.sid && !identityAsked[s.sid]) {
               identityAsked[s.sid] = true;
-              this.send("askidentity", {target:s.sid, page:page});
+              this.send("askidentity", { target: s.sid, page: page });
             }
             if (!this.people[s.sid])
-              this.$set(this.people, s.sid, {id:0, name:"", pages:[page]});
+              this.$set(this.people, s.sid, { id: 0, name: "", pages: [page] });
             else if (this.people[s.sid].pages.indexOf(page) < 0)
               this.people[s.sid].pages.push(page);
-            if (!s.page) //peer is in Hall
-              this.send("askchallenge", {target:s.sid});
-            else //peer is in Game
-              this.send("askgame", {target:s.sid, page:page});
+            if (!s.page)
+              //peer is in Hall
+              this.send("askchallenge", { target: s.sid });
+            //peer is in Game
+            else this.send("askgame", { target: s.sid, page: page });
           });
           break;
         }
         case "connect":
-        case "gconnect":
-        {
+        case "gconnect": {
           const page = data.page || "/";
           // NOTE: player could have been polled earlier, but might have logged in then
           // So it's a good idea to ask identity if he was anonymous.
           // But only ask game / challenge if currently disconnected.
-          if (!this.people[data.from])
-          {
-            this.$set(this.people, data.from, {name:"", id:0, pages:[page]});
+          if (!this.people[data.from]) {
+            this.$set(this.people, data.from, {
+              name: "",
+              id: 0,
+              pages: [page]
+            });
             if (data.code == "connect")
-              this.send("askchallenge", {target:data.from});
-            else
-              this.send("askgame", {target:data.from, page:page});
-          }
-          else
-          {
+              this.send("askchallenge", { target: data.from });
+            else this.send("askgame", { target: data.from, page: page });
+          } else {
             // append page if not already in list
             if (this.people[data.from].pages.indexOf(page) < 0)
               this.people[data.from].pages.push(page);
           }
-          if (this.people[data.from].id == 0)
-          {
+          if (this.people[data.from].id == 0) {
             this.newConnect[data.from] = true; //for self multi-connects tests
-            this.send("askidentity", {target:data.from, page:page});
+            this.send("askidentity", { target: data.from, page: page });
           }
           break;
         }
         case "disconnect":
-        case "gdisconnect":
+        case "gdisconnect": {
           // If the user reloads the page twice very quickly (experienced with Firefox),
           // the first reload won't have time to connect but will trigger a "close" event anyway.
           // ==> Next check is required.
-          if (!this.people[data.from])
-            return;
+          if (!this.people[data.from]) return;
           // Disconnect means no more tmpIds:
-          if (data.code == "disconnect")
-          {
+          if (data.code == "disconnect") {
             // Remove the live challenge sent by this player:
             ArrayFun.remove(this.challenges, c => c.from.sid == data.from);
-          }
-          else
-          {
+          } else {
             // Remove the matching live game if now unreachable
             const gid = data.page.match(/[a-zA-Z0-9]+$/)[0];
             const gidx = this.games.findIndex(g => g.id == gid);
-            if (gidx >= 0)
-            {
+            if (gidx >= 0) {
               const game = this.games[gidx];
-              if (game.type == "live" &&
-                game.rids.length == 1 && game.rids[0] == data.from)
-              {
+              if (
+                game.type == "live" &&
+                game.rids.length == 1 &&
+                game.rids[0] == data.from
+              ) {
                 this.games.splice(gidx, 1);
               }
             }
@@ -404,6 +393,7 @@ export default {
           if (this.people[data.from].pages.length == 0)
             this.$delete(this.people, data.from);
           break;
+        }
         case "killed":
           // I logged in elsewhere:
           alert(this.st.tr["New connexion detected: tab now offline"]);
@@ -413,157 +403,156 @@ export default {
           //this.conn.close();
           this.conn = null;
           break;
-        case "askidentity":
-        {
+        case "askidentity": {
           // Request for identification (TODO: anonymous shouldn't need to reply)
           const me = {
             // Decompose to avoid revealing email
             name: this.st.user.name,
             sid: this.st.user.sid,
-            id: this.st.user.id,
+            id: this.st.user.id
           };
-          this.send("identity", {data:me, target:data.from});
+          this.send("identity", { data: me, target: data.from });
           break;
         }
-        case "identity":
-        {
+        case "identity": {
           const user = data.data;
-          if (!!user.name) //otherwise anonymous
-          {
+          if (user.name) {
+            //otherwise anonymous
             // If I multi-connect, kill current connexion if no mark (I'm older)
-            if (this.newConnect[user.sid] && user.id > 0
-              && user.id == this.st.user.id && user.sid != this.st.user.sid)
-            {
-              if (!this.killed[this.st.user.sid])
-              {
-                this.send("killme", {sid:this.st.user.sid});
+            if (
+              this.newConnect[user.sid] &&
+              user.id > 0 &&
+              user.id == this.st.user.id &&
+              user.sid != this.st.user.sid
+            ) {
+              if (!this.killed[this.st.user.sid]) {
+                this.send("killme", { sid: this.st.user.sid });
                 this.killed[this.st.user.sid] = true;
               }
             }
-            if (user.sid != this.st.user.sid) //I already know my identity...
-            {
-              this.$set(this.people, user.sid,
-                {
-                  id: user.id,
-                  name: user.name,
-                  pages: this.people[user.sid].pages,
-                });
+            if (user.sid != this.st.user.sid) {
+              //I already know my identity...
+              this.$set(this.people, user.sid, {
+                id: user.id,
+                name: user.name,
+                pages: this.people[user.sid].pages
+              });
             }
           }
           delete this.newConnect[user.sid];
           break;
         }
-        case "askchallenge":
-        {
+        case "askchallenge": {
           // Send my current live challenge (if any)
-          const cIdx = this.challenges.findIndex(c =>
-            c.from.sid == this.st.user.sid && c.type == "live");
-          if (cIdx >= 0)
-          {
+          const cIdx = this.challenges.findIndex(
+            c => c.from.sid == this.st.user.sid && c.type == "live"
+          );
+          if (cIdx >= 0) {
             const c = this.challenges[cIdx];
             // NOTE: in principle, should only send targeted challenge to the target.
             // But we may not know yet the identity of the target (just name),
             // so cannot decide if data.from is the target or not.
-            const myChallenge =
-            {
+            const myChallenge = {
               id: c.id,
               from: this.st.user.sid,
               to: c.to,
               fen: c.fen,
               vid: c.vid,
               cadence: c.cadence,
-              added: c.added,
+              added: c.added
             };
-            this.send("challenge", {data:myChallenge, target:data.from});
+            this.send("challenge", { data: myChallenge, target: data.from });
           }
           break;
         }
         case "challenge": //after "askchallenge"
-        case "newchallenge":
-        {
+        case "newchallenge": {
           // NOTE about next condition: see "askchallenge" case.
           const chall = data.data;
-          if (!chall.to || (this.people[chall.from].id > 0 &&
-            (chall.from == this.st.user.sid || chall.to == this.st.user.name)))
-          {
+          if (
+            !chall.to ||
+            (this.people[chall.from].id > 0 &&
+              (chall.from == this.st.user.sid || chall.to == this.st.user.name))
+          ) {
             let newChall = Object.assign({}, chall);
             newChall.type = this.classifyObject(chall);
             newChall.added = Date.now();
             let fromValues = Object.assign({}, this.people[chall.from]);
             delete fromValues["pages"]; //irrelevant in this context
-            newChall.from = Object.assign({sid:chall.from}, fromValues);
+            newChall.from = Object.assign({ sid: chall.from }, fromValues);
             newChall.vname = this.getVname(newChall.vid);
             this.challenges.push(newChall);
-            if ((newChall.type == "live" && this.cdisplay == "corr") ||
-              (newChall.type == "corr" && this.cdisplay == "live"))
-            {
-              document.getElementById("btnC" + newChall.type).classList.add("somethingnew");
+            if (
+              (newChall.type == "live" && this.cdisplay == "corr") ||
+              (newChall.type == "corr" && this.cdisplay == "live")
+            ) {
+              document
+                .getElementById("btnC" + newChall.type)
+                .classList.add("somethingnew");
             }
           }
           break;
         }
-        case "refusechallenge":
-        {
+        case "refusechallenge": {
           const cid = data.data;
           ArrayFun.remove(this.challenges, c => c.id == cid);
           alert(this.st.tr["Challenge declined"]);
           break;
         }
-        case "deletechallenge":
-        {
+        case "deletechallenge": {
           // NOTE: the challenge may be already removed
           const cid = data.data;
           ArrayFun.remove(this.challenges, c => c.id == cid);
           break;
         }
         case "game": //individual request
-        case "newgame":
-        {
+        case "newgame": {
           // NOTE: it may be live or correspondance
           const game = data.data;
           let locGame = this.games.find(g => g.id == game.id);
-          if (!locGame)
-          {
+          if (!locGame) {
             let newGame = game;
             newGame.type = this.classifyObject(game);
             newGame.vname = this.getVname(game.vid);
-            if (!game.score) //if new game from Hall
+            if (!game.score)
+              //if new game from Hall
               newGame.score = "*";
             newGame.rids = [game.rid];
             delete newGame["rid"];
             this.games.push(newGame);
-            if ((newGame.type == "live" && this.gdisplay == "corr") ||
-              (newGame.type == "corr" && this.gdisplay == "live"))
-            {
-              document.getElementById("btnG" + newGame.type).classList.add("somethingnew");
+            if (
+              (newGame.type == "live" && this.gdisplay == "corr") ||
+              (newGame.type == "corr" && this.gdisplay == "live")
+            ) {
+              document
+                .getElementById("btnG" + newGame.type)
+                .classList.add("somethingnew");
             }
-          }
-          else
-          {
+          } else {
             // Append rid (if not already in list)
-            if (!locGame.rids.includes(game.rid))
-              locGame.rids.push(game.rid);
+            if (!locGame.rids.includes(game.rid)) locGame.rids.push(game.rid);
           }
           break;
         }
-        case "result":
-        {
+        case "result": {
           let g = this.games.find(g => g.id == data.gid);
-          if (!!g)
-            g.score = data.score;
+          if (g) g.score = data.score;
           break;
         }
-        case "startgame":
-        {
+        case "startgame": {
           // New game just started: data contain all information
           const gameInfo = data.data;
           if (this.classifyObject(gameInfo) == "live")
             this.startNewGame(gameInfo);
-          else
-          {
-            this.infoMessage = this.st.tr["New correspondance game:"] +
-              " <a href='#/game/" + gameInfo.id + "'>" +
-              "#/game/" + gameInfo.id + "</a>";
+          else {
+            this.infoMessage =
+              this.st.tr["New correspondance game:"] +
+              " <a href='#/game/" +
+              gameInfo.id +
+              "'>" +
+              "#/game/" +
+              gameInfo.id +
+              "</a>";
             let modalBox = document.getElementById("modalInfo");
             modalBox.checked = true;
           }
@@ -577,56 +566,62 @@ export default {
       }
     },
     socketCloseListener: function() {
-      if (!this.conn)
-        return;
+      if (!this.conn) return;
       this.conn = new WebSocket(this.connexionString);
       this.conn.addEventListener("message", this.socketMessageListener);
       this.conn.addEventListener("close", this.socketCloseListener);
     },
     // Challenge lifecycle:
     newChallenge: async function() {
+      let error = "";
       if (this.newchallenge.vid == "")
-        return alert(this.st.tr["Please select a variant"]);
-      if (!!this.newchallenge.to && this.newchallenge.to == this.st.user.name)
-        return alert(this.st.tr["Self-challenge is forbidden"]);
+        error = this.st.tr["Please select a variant"];
+      else if (!!this.newchallenge.to && this.newchallenge.to == this.st.user.name)
+        error = this.st.tr["Self-challenge is forbidden"];
+      if (error) {
+        alert(error);
+        return;
+      }
       const vname = this.getVname(this.newchallenge.vid);
       const vModule = await import("@/variants/" + vname + ".js");
       window.V = vModule.VariantRules;
-      if (!!this.newchallenge.cadence.match(/^[0-9]+$/))
+      if (this.newchallenge.cadence.match(/^[0-9]+$/))
         this.newchallenge.cadence += "+0"; //assume minutes, no increment
-      const error = checkChallenge(this.newchallenge);
-      if (!!error)
-        return alert(error);
       const ctype = this.classifyObject(this.newchallenge);
-      if (ctype == "corr" && this.st.user.id <= 0)
-        return alert(this.st.tr["Please log in to play correspondance games"]);
+      error = checkChallenge(this.newchallenge);
+      if (!error && ctype == "corr" && this.st.user.id <= 0)
+        error = this.st.tr["Please log in to play correspondance games"];
+      if (error) {
+        alert(error);
+        return;
+      }
       // NOTE: "from" information is not required here
       let chall = Object.assign({}, this.newchallenge);
-      const finishAddChallenge = (cid) => {
+      const finishAddChallenge = cid => {
         chall.id = cid || "c" + getRandString();
         // Remove old challenge if any (only one at a time of a given type):
-        const cIdx = this.challenges.findIndex(c =>
-          (c.from.sid == this.st.user.sid || c.from.id == this.st.user.id) && c.type == ctype);
-        if (cIdx >= 0)
-        {
+        const cIdx = this.challenges.findIndex(
+          c =>
+            (c.from.sid == this.st.user.sid || c.from.id == this.st.user.id) &&
+            c.type == ctype
+        );
+        if (cIdx >= 0) {
           // Delete current challenge (will be replaced now)
-          this.send("deletechallenge", {data:this.challenges[cIdx].id});
-          if (ctype == "corr")
-          {
-            ajax(
-              "/challenges",
-              "DELETE",
-              {id: this.challenges[cIdx].id}
-            );
+          this.send("deletechallenge", { data: this.challenges[cIdx].id });
+          if (ctype == "corr") {
+            ajax("/challenges", "DELETE", { id: this.challenges[cIdx].id });
           }
           this.challenges.splice(cIdx, 1);
         }
-        this.send("newchallenge", {data:Object.assign({from:this.st.user.sid}, chall)});
+        this.send("newchallenge", {
+          data: Object.assign({ from: this.st.user.sid }, chall)
+        });
         // Add new challenge:
-        chall.from = { //decompose to avoid revealing email
+        chall.from = {
+          //decompose to avoid revealing email
           sid: this.st.user.sid,
           id: this.st.user.id,
-          name: this.st.user.name,
+          name: this.st.user.name
         };
         chall.added = Date.now();
         // NOTE: vname and type are redundant (can be deduced from cadence + vid)
@@ -638,61 +633,49 @@ export default {
         localStorage.setItem("vid", chall.vid);
         document.getElementById("modalNewgame").checked = false;
       };
-      if (ctype == "live")
-      {
+      if (ctype == "live") {
         // Live challenges have a random ID
         finishAddChallenge(null);
-      }
-      else
-      {
+      } else {
         // Correspondance game: send challenge to server
-        ajax(
-          "/challenges",
-          "POST",
-          { chall: chall },
-          response => { finishAddChallenge(response.cid); }
-        );
+        ajax("/challenges", "POST", { chall: chall }, response => {
+          finishAddChallenge(response.cid);
+        });
       }
     },
     clickChallenge: function(c) {
-      const myChallenge = (c.from.sid == this.st.user.sid //live
-        || (this.st.user.id > 0 && c.from.id == this.st.user.id)); //corr
-      if (!myChallenge)
-      {
-        if (c.type == "corr" && this.st.user.id <= 0)
-          return alert(this.st.tr["Please log in to accept corr challenges"]);
+      const myChallenge =
+        c.from.sid == this.st.user.sid || //live
+        (this.st.user.id > 0 && c.from.id == this.st.user.id); //corr
+      if (!myChallenge) {
+        if (c.type == "corr" && this.st.user.id <= 0) {
+          alert(this.st.tr["Please log in to accept corr challenges"]);
+          return;
+        }
         c.accepted = true;
-        if (!!c.to) //c.to == this.st.user.name (connected)
-        {
+        if (c.to) {
+          //c.to == this.st.user.name (connected)
           // TODO: if special FEN, show diagram after loading variant
           c.accepted = confirm("Accept challenge?");
         }
-        if (c.accepted)
-        {
-          c.seat = { //again, avoid c.seat = st.user to not reveal email
+        if (c.accepted) {
+          c.seat = {
+            //again, avoid c.seat = st.user to not reveal email
             sid: this.st.user.sid,
             id: this.st.user.id,
-            name: this.st.user.name,
+            name: this.st.user.name
           };
           this.launchGame(c);
+        } else {
+          this.send("refusechallenge", { data: c.id, target: c.from.sid });
         }
-        else
-        {
-          this.send("refusechallenge", {data:c.id, target:c.from.sid});
+        this.send("deletechallenge", { data: c.id });
+      } //my challenge
+      else {
+        if (c.type == "corr") {
+          ajax("/challenges", "DELETE", { id: c.id });
         }
-        this.send("deletechallenge", {data:c.id});
-      }
-      else //my challenge
-      {
-        if (c.type == "corr")
-        {
-          ajax(
-            "/challenges",
-            "DELETE",
-            {id: c.id}
-          );
-        }
-        this.send("deletechallenge", {data:c.id});
+        this.send("deletechallenge", { data: c.id });
       }
       // In all cases, the challenge is consumed:
       ArrayFun.remove(this.challenges, ch => ch.id == c.id);
@@ -702,37 +685,35 @@ export default {
       const vModule = await import("@/variants/" + c.vname + ".js");
       window.V = vModule.VariantRules;
       // These game informations will be shared
-      let gameInfo =
-      {
+      let gameInfo = {
         id: getRandString(),
         fen: c.fen || V.GenRandInitFen(),
         players: shuffle([c.from, c.seat]), //white then black
         vid: c.vid,
-        cadence: c.cadence,
+        cadence: c.cadence
       };
       let oppsid = c.from.sid; //may not be defined if corr + offline opp
-      if (!oppsid)
-      {
-        oppsid = Object.keys(this.people).find(sid =>
-          this.people[sid].id == c.from.id);
+      if (!oppsid) {
+        oppsid = Object.keys(this.people).find(
+          sid => this.people[sid].id == c.from.id
+        );
       }
       const notifyNewgame = () => {
-        if (!!oppsid) //opponent is online
-          this.send("startgame", {data:gameInfo, target:oppsid});
+        if (oppsid)
+          //opponent is online
+          this.send("startgame", { data: gameInfo, target: oppsid });
         // Send game info (only if live) to everyone except me in this tab
-        this.send("newgame", {data:gameInfo});
+        this.send("newgame", { data: gameInfo });
       };
-      if (c.type == "live")
-      {
+      if (c.type == "live") {
         notifyNewgame();
         this.startNewGame(gameInfo);
-      }
-      else //corr: game only on server
-      {
+      } //corr: game only on server
+      else {
         ajax(
           "/games",
           "POST",
-          {gameInfo: gameInfo, cid: c.id}, //cid useful to delete challenge
+          { gameInfo: gameInfo, cid: c.id }, //cid useful to delete challenge
           response => {
             gameInfo.id = response.gameId;
             notifyNewgame();
@@ -752,14 +733,14 @@ export default {
         moves: [],
         clocks: [-1, -1], //-1 = unstarted
         initime: [0, 0], //initialized later
-        score: "*",
+        score: "*"
       });
       GameStorage.add(game);
       if (this.st.settings.sound >= 1)
-        new Audio("/sounds/newgame.mp3").play().catch(err => {});
+        new Audio("/sounds/newgame.mp3").play().catch(() => {});
       this.$router.push("/game/" + gameInfo.id);
-    },
-  },
+    }
+  }
 };
 </script>