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Prevented crash from faulty data #9

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Prevented crash from faulty data #9

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41 changes: 28 additions & 13 deletions js/app.js
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Original file line number Diff line number Diff line change
Expand Up @@ -145,26 +145,41 @@ function moveScene(event) {

function showMoves(Target) {
var validMoves = chess.moves({ target: Target, verbose: true });
console.log(validMoves);
for(var i=0; i<validMoves.length; i++) {
var validMove = validMoves[i];
var from = validMove.from;
var to = validMove.to;
var captured = validMove.captured;
document.getElementById(from).classList.add("current");
document.getElementById(to).classList.add("valid");
if (captured) { document.getElementById(to).classList.add("captured"); }
if (validMoves[i].to.length == 2)
{
var validMove = validMoves[i];
var from = validMove.from;
var to = validMove.to;
var captured = validMove.captured;
document.getElementById(from).classList.add("current");
var toElement = document.getElementById(to);
if(toElement)
{
toElement.classList.add("valid");
if (captured) { toElement.classList.add("captured"); }
}
}
}
}

function hideMoves(Target) {
var validMoves = chess.moves({ target: Target, verbose: true });
for(var i=0; i<validMoves.length; i++) {
var validMove = validMoves[i];
var from = validMove.from;
var to = validMove.to;
document.getElementById(from).classList.remove("current");
document.getElementById(to).classList.remove("valid");
document.getElementById(to).classList.remove("captured");
if (validMoves[i].to.length == 2)
{
var validMove = validMoves[i];
var from = validMove.from;
var to = validMove.to;
document.getElementById(from).classList.remove("current");
var toElement = document.getElementById(to);
if(toElement)
{
toElement.classList.remove("valid");
toElement.classList.remove("captured");
}
}
}
}

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