Add validation to getOverlappingPixelIndices function

hunkim98 · Jul 15, 2023 · 088a40c · 088a40c
1 parent 2fa5b15
commit 088a40c
Showing 1 changed file with 8 additions and 0 deletions.
diff --git a/src/utils/position.ts b/src/utils/position.ts
@@ -488,6 +488,14 @@ export const getOverlappingPixelIndicesForModifiedPixels = (
   modifyPixelHeightRatio: number,
   gridSquareLength: number,
 ) => {
+  if (modifyPixelHeightRatio < 0 || modifyPixelWidthRatio < 0) {
+    throw new Error(
+      "modifyPixelHeightRatio and modifyPixelWidthRatio should be positive",
+    );
+  }
+  if (gridSquareLength < 0) {
+    throw new Error("gridSquareLength should be positive");
+  }
   const pixelsToColor: Array<ColorChangeItem> = [];
   for (const item of originalPixels) {
     const pixelDistanceFromOrigin = {