facebook · bvaughn · Jan 18, 2022 · Jan 19, 2022 · Jan 19, 2022 · Jan 19, 2022
diff --git a/packages/react-devtools-shared/src/__tests__/TimelineProfiler-test.js b/packages/react-devtools-shared/src/__tests__/TimelineProfiler-test.js
diff --git a/...rc/__tests__/dehydratedValueSerializer.js → ...erializers__/dehydratedValueSerializer.js b/...rc/__tests__/dehydratedValueSerializer.js → ...erializers__/dehydratedValueSerializer.js
diff --git a/...ls-shared/src/__tests__/hookSerializer.js → ...tests__/__serializers__/hookSerializer.js b/...ls-shared/src/__tests__/hookSerializer.js → ...tests__/__serializers__/hookSerializer.js
diff --git a/...c/__tests__/inspectedElementSerializer.js → ...rializers__/inspectedElementSerializer.js b/...c/__tests__/inspectedElementSerializer.js → ...rializers__/inspectedElementSerializer.js
diff --git a/packages/react-devtools-shared/src/__tests__/__serializers__/numberToFixedSerializer.js b/packages/react-devtools-shared/src/__tests__/__serializers__/numberToFixedSerializer.js
@@ -0,0 +1,24 @@
+const MAX_DECIMAL_PLACES = 3;
+
+// test() is part of Jest's serializer API
+export function test(maybeNumber) {
+  return (
+    typeof maybeNumber === 'number' &&
+    Number.isFinite(maybeNumber) &&
+    !Number.isInteger(maybeNumber) &&
+    !Number.isNaN(maybeNumber)
+  );
+}
+
+// print() is part of Jest's serializer API
+export function print(number, serialize, indent) {
+  const string = number.toString();
+  const pieces = string.split('.');
+  if (pieces.length === 2) {
+    if (pieces[1].length > MAX_DECIMAL_PLACES) {
+      return number.toFixed(MAX_DECIMAL_PLACES);
+    }
+  }
+
+  return string;
+}
diff --git a/...s-shared/src/__tests__/storeSerializer.js → ...ests__/__serializers__/storeSerializer.js b/...s-shared/src/__tests__/storeSerializer.js → ...ests__/__serializers__/storeSerializer.js
diff --git a/...c/__tests__/treeContextStateSerializer.js → ...rializers__/treeContextStateSerializer.js b/...c/__tests__/treeContextStateSerializer.js → ...rializers__/treeContextStateSerializer.js