fix(optimize-css): do not print diff if zero

carbon-design-system · Apr 8, 2024 · 80cf4aa · 80cf4aa
1 parent 80e7b7a
commit 80cf4aa
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Showing 2 changed files with 19 additions and 0 deletions.
diff --git a/src/plugins/print-diff.ts b/src/plugins/print-diff.ts
@@ -32,6 +32,11 @@ export function printDiff(props: {
 
   const original_size = stringSizeInKB(original_css.toString());
   const optimized_size = stringSizeInKB(optimized_css);
+
+  if (original_size === optimized_size) {
+    return;
+  }
+
   const original = toHumanReadableSize(original_size);
   const optimized = toHumanReadableSize(optimized_size);
   const original_display = padIfNeeded(original, optimized);

diff --git a/tests/print-diff.test.ts b/tests/print-diff.test.ts
@@ -22,4 +22,18 @@ describe("print-diff", () => {
       ["After: ", "0.02 kB", "(-37.5%)\n"],
     ]);
   });
+
+  test("no diff", () => {
+    const log = jest.spyOn(console, "log");
+
+    expect(
+      printDiff({
+        original_css: "body { color: red; }",
+        optimized_css: "body { color: red; }",
+        id: "id",
+      }),
+    );
+
+    expect(log.mock.calls).toEqual([]);
+  });
 });