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Bishop Moves

React.js
medium
30 mins

Build a React component that shows an 8x8 chessboard. When a user hovers or clicks on a square, highlight all the diagonal cells a bishop can move to. Clear highlights on mouse leave or new selection.

Requirements

  1. Render an 8×8 board = 64 cells.
  2. Each cell must use role="gridcell"
  3. When the user hovers over a square, it:
  • Highlights that cell with the CSS class "hovered"
  • Highlights all diagonally reachable squares from the hovered cell using the CSS class bishop-move
  1. Clear all highlights on mouse leave.

Edge Cases

  • Hover or click on (0,0) → Should highlight only the diagonal from (1,1) to (7,7)

  • Rapid hover on and off the board → Highlights should clear immediately when the cursor leaves

  • Multiple selections (hover/click repeatedly) → Only the latest bishop path should be visible; previous highlights should be cleared

  • Hover on a middle cell (e.g., 3,3) → Should highlight all 4 diagonals from that point, respecting board boundaries

Reference UI

bishopMove

Preview what you need to build

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