Initial commit

src/utils/puzzleUtils.js

@@ -0,0 +1,54 @@
+export function calculateHints(grid) {
+    if (!grid || grid.length === 0) return { rowHints: [], colHints: [] };
+    
+    const size = grid.length;
+    const rowHints = [];
+    const colHints = [];
+
+    // Row Hints
+    for (let r = 0; r < size; r++) {
+        const hints = [];
+        let count = 0;
+        for (let c = 0; c < size; c++) {
+            if (grid[r][c] === 1) {
+                count++;
+            } else if (count > 0) {
+                hints.push(count);
+                count = 0;
+            }
+        }
+        if (count > 0) hints.push(count);
+        rowHints.push(hints.length > 0 ? hints : [0]);
+    }
+
+    // Col Hints
+    for (let c = 0; c < size; c++) {
+        const hints = [];
+        let count = 0;
+        for (let r = 0; r < size; r++) {
+            if (grid[r][c] === 1) {
+                count++;
+            } else if (count > 0) {
+                hints.push(count);
+                count = 0;
+            }
+        }
+        if (count > 0) hints.push(count);
+        colHints.push(hints.length > 0 ? hints : [0]);
+    }
+
+    return { rowHints, colHints };
+}
+
+export function generateRandomGrid(size) {
+    const grid = [];
+    for (let i = 0; i < size; i++) {
+        const row = [];
+        for (let j = 0; j < size; j++) {
+            // ~50% chance of being filled
+            row.push(Math.random() > 0.5 ? 1 : 0);
+        }
+        grid.push(row);
+    }
+    return grid;
+}