Merge pull request #83 from saperdadsk/saperd/nan_fix_test

Adds a test checking that we handle empty string styles

src/AutoSizer.test.tsx

@@ -81,6 +81,7 @@ describe("AutoSizer", () => {
     {
       bar = 123,
       ChildComponent = DefaultChildComponent,
+      excludeWrapperStyling = false,
       foo = 456,
       height = 100,
       paddingBottom = 0,
@@ -110,7 +111,7 @@ describe("AutoSizer", () => {
     const root = createRoot(container);
     act(() => {
       root.render(
-        <div style={wrapperStyle}>
+        <div style={excludeWrapperStyling ? undefined : wrapperStyle}>
           <AutoSizer
             disableHeight={disableHeight as any}
             disableWidth={disableWidth as any}
@@ -144,6 +145,18 @@ describe("AutoSizer", () => {
     expect(container.textContent).toContain("width:200");
   });
 
+  it("should not render children for elements with empty computed styles", () => {
+    mockOffsetSize(0, 0);
+
+    renderHelper({
+      excludeWrapperStyling: true,
+      height: 0,
+      width: 0,
+    });
+
+    expect(container.textContent).toEqual("");
+  });
+
   it("should account for padding when calculating the available width and height", () => {
     renderHelper({
       paddingBottom: 10,