minor revisions

 - fixed bug that prevented some databases from loading
 - changed version in about page to beta v1.1

Author: gitpushjoe

about.html

@@ -20,7 +20,7 @@
         <a href="../donate.html"><p id="donate" class="banner-text">donate</p></a>
     </div>
     <div class="about-text">
-        <p style="color: aqua">beta v1.0<br></p>
+        <p style="color: aqua">beta v1.1<br></p>
         <p style="display: inline-block;">The Chess Library is an open-source database of 700,000+ chess games, run by 
         <a href="https://www.github.com/gitpushjoe" style="word-wrap: break-word;"><nobr>a single college student.</nobr></a> It's currently in open beta testing right now so if you have any suggestions, bug findings, questions, or would like to help expand the database,
         please share using the donate link above. (Note: The back-end web scraping and data formatting scripts will be up soon.)<br>&nbsp;<br><br>Sources:<br>

database.js

@@ -6,7 +6,7 @@ $(document).ready(() => {
     // $(".games-container").empty();
     loadDatabase($("#collection").val());
     $.get(prefix + 'transpositions.json', (t) => {
-        database.transpositions = t;
+        database.transpositions = JSON.parse(t);
     });
 
 });
@@ -22,10 +22,11 @@ function loadDatabase(db) {
         document.directory.discoverRanges = [];
         document.directory.transpositions = [];
         $(".games-container").empty();
-        displayGame(['','','','Loading Games...','This may take a second.','','','','','','','','',''], null)
+        displayGame(['','','','Loading Games...','This may take a second.','','','','','','','','',''], null);
         activeDatabase = db;
         $.get(prefix + db + '/lookups/lookups.json', (r) => {
                 database.lookup = new Map();
+                r = JSON.parse(r);
                 for (let moveLength of Object.keys(r)) {
                     let section = new Map();
                     for (const [move, data] of Object.entries(r[moveLength])) {
@@ -116,28 +117,28 @@ function prepareDirectory(boards) {
     loadDatabase($("#collection").val());
     document.directory.nextBoards = null;
     $("#number-of-games").text(0);
-    // document.branches.upToDate = false;
     document.directory.upToDate = !document.directory.upToDate;
     boards = boards.slice(1);
     const moves = boards.reduce((acc, curr) => acc += intToB64FourChr(curr.scan), '')
     let aliases = [moves];
     let transpositions = new Set();
     transpositions.add(moves);
-    let moveCount = 0;
     let currMoveLength = moves.length + 4;
     let visited = new Set();
     return new ScheduledTask(getTranspositions, [aliases, transpositions, visited, currMoveLength, moves]).setSleep(5);
 }
+const maxSize = {"world_championships": 2, "titled_tuesday": 32, "titled_arena": 16, "candidates": 2, "interzonals": 2, "lichess_broadcasts": 8};
 function getTranspositions(aliases, transpositions, visited, currMoveLength, moves) {
     let remLength = aliases.length
     for (let a = 0; a < remLength; a++) {
         let alias = aliases[a];
         const alias_full = [...transpositions].filter(x => x.startsWith(alias)).at(0);
         if (alias.length == moves.length && !transpositions.has(alias)) transpositions.add(alias);
+        const collection = $("#collection").val();
         while (aliases[a].length > currMoveLength && alias.length > 8) {
             if (!visited.has(aliases[a])) {
                 let temp = database.transpositions[aliases[a].length].reduce((acc, curr) => { if (curr.includes(aliases[a])) acc.push(...curr.filter(x => !aliases.includes(x))); return acc; }, []);
-                temp = temp.filter(x => !!database.lookup.get(Math.min(x.length, 32)).get(x.slice(0, 32)));
+                temp = temp.filter(x => !!database.lookup.get(Math.min(x.length, maxSize[collection])).get(x.slice(0, maxSize[collection])));
                 temp = temp.map(x => x + alias_full.slice(x.length))
                 temp = temp.filter(x => !transpositions.has(x))
                 visited.add(aliases[a]);
@@ -153,38 +154,11 @@ function getTranspositions(aliases, transpositions, visited, currMoveLength, mov
     if (aliases.reduce((acc, curr) => acc.length > curr.length ? acc : curr, aliases[0]).length > 8) {
         return new ScheduledTask(getTranspositions, [aliases, transpositions, visited, currMoveLength, moves]);
     } else {
-        let ranges = [];
-
         localDirectory.transpositions = [...transpositions];
-        let timeout;
-        if (document.directory.indexStep > 0) {
-            timeout = 4000;
-        }
-        else {
-            timeout = 1000;
-        }
         return new ScheduledTask(getSearchRanges, [transpositions]).setSleep(10);
     }
 }
 
-function checkForBoardUpdates(boards) {
-    if (!document.directory.updating) {
-        if (boards) {
-            // setTimeout(updateDatabase, 500, boards);
-
-        } else if (document.directory.nextBoards) {
-            if (document.directory.nextBoards.length == mainGame.boards.length)
-                setTimeout(updateDatabase, 500, document.directory.nextBoards);
-            else {
-                setTimeout(checkForBoardUpdates, 1000, mainGame.boards);
-            }
-        }
-    } else {
-        if (boards)
-            document.directory.nextBoards = boards;
-    }
-}
-
 let scheduleStage = 0;
 
 class Scheduler {
@@ -287,6 +261,7 @@ document.directory.search.games = [];
 document.directory.search.cache = new MaxSizeMap(30);
 
 function getSearchRanges(transpositions) {
+    const collection = $("#collection").val();
     let ranges = [];
     let chunks = [];
     document.directory.search.games = [];
@@ -355,14 +330,14 @@ function getSearchRanges(transpositions) {
             requests.add([5000, Math.floor(ranges[r][2][0][1] / 5000)]);
         } else {
             const dist = ranges[r][1] - ranges[r][0];
-            let step = Math.min(2**dist.toString(2).length, 16);
+            let step = Math.min(2**dist.toString(2).length, maxSize[collection] / 2);
             requests.add([step * 20000, Math.floor(ranges[r][0] / step)]);
             if ((step * Math.floor(ranges[r][0] / step)) + step < ranges[r][1])
                 requests.add([step * 20000, (Math.floor(ranges[r][0] / step) + 1)]);
         }
     }
     document.branches.branches = branches;
-    const timeout = [...requests].some(x => !document.directory.search.cache.has(x)) ? 1000 : 0;
+    const timeout = [...requests].some(x => !document.directory.search.cache.has(x)) ? 500 : 0;
     setTimeout((r) => pullGames(Array.from(r), $("#collection").val()), timeout, requests);
     return new ScheduledTask(gamesObserver, [requests.size]).setSleep(5);
 }
@@ -417,6 +392,7 @@ function sortGames() {
         else
             return criteria[1] == "Dsc" ? bVal.localeCompare(aVal) : aVal.localeCompare(bVal);});
     $("#games-container").empty();
+    displayGame(['','','','Loading Games...','This may take a second.','','','','','','','','',''], null);
     return new ScheduledTask(addToDirectory, [0]);
 }
 

script.js

@@ -1,3 +1,5 @@
+// Note: every use of the word "scan" in this document refers to the ChessScan notation method, as outlined in the root directory.
+
 const canvas = document.getElementById('chessboard');
 const ctx = canvas.getContext('2d');
 const CANVAS_SIZE = 800;