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1 files changed, 53 insertions, 0 deletions

diff --git a/docs/components/pages/pack-home/DocsBenchmarkStat.tsx b/docs/components/pages/pack-home/DocsBenchmarkStat.tsx
new file mode 100644
index 0000000..5b8dcf6
--- /dev/null
+++ b/docs/components/pages/pack-home/DocsBenchmarkStat.tsx
@@ -0,0 +1,53 @@
+import benchmarkData from "./benchmark-data/data.json";
+
+type StatFunc = (data: typeof benchmarkData) => string;
+
+/**
+ * Replace with satisfies keyword when TS 4.9 drops
+ */
+const satisfies =
+  <T,>() =>
+  <U extends T>(t: U) =>
+    t;
+
+const formatToSeconds = (seconds: number) => `${seconds.toFixed(1)}s`;
+const formatPercentage = (percentage: number) => `${percentage.toFixed(1)}x`;
+
+const stats = satisfies<Record<string, StatFunc>>()({
+  "next12-cold-1000": (data) => formatToSeconds(data.cold[1000].next12),
+  "turbopack-cold-1000": (data) => formatToSeconds(data.cold[1000].next13),
+  "turbopack-cold-vs-next12": (data) =>
+    formatPercentage(data.cold[1000].next12 / data.cold[1000].next13),
+  "turbopack-cold-vs-next12-30000": (data) =>
+    formatPercentage(data.cold[30000].next12 / data.cold[30000].next13),
+  "turbopack-update-vs-next12": (data) =>
+    formatPercentage(
+      data.file_change[1000].next12 / data.file_change[1000].next13
+    ),
+  "turbopack-update-vs-next12-30000": (data) =>
+    formatPercentage(
+      data.file_change[30000].next12 / data.file_change[30000].next13
+    ),
+  "vite-cold-1000": (data) => formatToSeconds(data.cold[1000].vite),
+  "turbopack-cold-vs-vite": (data) =>
+    formatPercentage(data.cold[1000].vite / data.cold[1000].next13),
+  "turbopack-cold-vs-vite-30000": (data) =>
+    formatPercentage(data.cold[30000].vite / data.cold[30000].next13),
+  "turbopack-update-vs-vite": (data) =>
+    formatPercentage(
+      data.file_change[1000].vite / data.file_change[1000].next13
+    ),
+  "turbopack-update-vs-vite-30000": (data) =>
+    formatPercentage(
+      data.file_change[30000].vite / data.file_change[30000].next13
+    ),
+});
+
+type Stat = keyof typeof stats;
+
+export function DocsBenchmarkStat(props: { stat: Stat }) {
+  if (!stats[props.stat]) {
+    throw new Error(`Invalid stat: ${props.stat}`);
+  }
+  return stats[props.stat](benchmarkData);
+}