migrate to typescript

src/lib/color.ts

@@ -0,0 +1,18 @@
+import type { ColorValue, ColorInfo } from '@/core/color.ts';
+
+export function getColorsInRows(allColorValues: ColorValue[], itemPerRow: number): ColorInfo[][] {
+    const ret: ColorInfo[][] = [];
+    let rowCount = -1;
+
+    for (let i = 0; i < allColorValues.length; i++) {
+        if (i % itemPerRow === 0) {
+            ret[++rowCount] = [];
+        }
+
+        ret[rowCount].push({
+            color: allColorValues[i]
+        });
+    }
+
+    return ret;
+}