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take border into account when calculating squareSize #71

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take border into account when calculating squareSize #71

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8 changes: 4 additions & 4 deletions js/chessboard.js
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Original file line number Diff line number Diff line change
Expand Up @@ -495,9 +495,9 @@ function expandConfig() {

// calculates square size based on the width of the container
// got a little CSS black magic here, so let me explain:
// get the width of the container element (could be anything), reduce by 1 for
// fudge factor, and then keep reducing until we find an exact mod 8 for
// our square size
// get the width of the container element (could be anything), reduce by border
// size, and then keep reducing until we find an exact mod 8 for our square
// size
function calculateSquareSize() {
var containerWidth = parseInt(containerEl.css('width'), 10);

Expand All @@ -507,7 +507,7 @@ function calculateSquareSize() {
}

// pad one pixel
var boardWidth = containerWidth - 1;
var boardWidth = containerWidth - BOARD_BORDER_SIZE * 2;

while (boardWidth % 8 !== 0 && boardWidth > 0) {
boardWidth--;
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