snapshot of https://github.com/excalidraw/excalidraw.git (master, 2026-09-16; blobs > 131072B omitted)

packages/excalidraw/components/positionElementBesideCursor.test.ts

@@ -0,0 +1,59 @@
+import { positionElementBesideCursor } from "./positionElementBesideCursor";
+
+const element = {
+  width: 48,
+  height: 48,
+};
+
+const container = {
+  left: 100,
+  top: 50,
+  width: 400,
+  height: 300,
+};
+
+describe("positionElementBesideCursor", () => {
+  it("positions the element after the cursor when it fits", () => {
+    expect(
+      positionElementBesideCursor({
+        cursor: { x: 200, y: 100 },
+        element,
+        container,
+        gap: 20,
+      }),
+    ).toEqual({ left: 120, top: 70 });
+  });
+
+  it("flips an overflowing element to the other side of the cursor", () => {
+    expect(
+      positionElementBesideCursor({
+        cursor: { x: 480, y: 330 },
+        element,
+        container,
+        gap: 20,
+      }),
+    ).toEqual({ left: 312, top: 212 });
+  });
+
+  it("keeps a flipped element within the container", () => {
+    expect(
+      positionElementBesideCursor({
+        cursor: { x: 160, y: 90 },
+        element,
+        container: { left: 100, top: 50, width: 100, height: 80 },
+        gap: 20,
+      }),
+    ).toEqual({ left: 0, top: 0 });
+  });
+
+  it("pins an oversized element to the container origin", () => {
+    expect(
+      positionElementBesideCursor({
+        cursor: { x: 130, y: 80 },
+        element,
+        container: { left: 100, top: 50, width: 40, height: 40 },
+        gap: 0,
+      }),
+    ).toEqual({ left: 0, top: 0 });
+  });
+});