From c0a35141e6b70eed1a9ba576fe43b7f7d690b968 Mon Sep 17 00:00:00 2001
From: Adam <2363879+adamdotdevin@users.noreply.github.com>
Date: Tue, 2 Dec 2025 06:50:16 -0600
Subject: feat: better code and diff rendering performance

---
 packages/ui/src/components/code.tsx | 29 ++++++++++++++++++++++++-----
 1 file changed, 24 insertions(+), 5 deletions(-)

(limited to 'packages/ui/src/components/code.tsx')

diff --git a/packages/ui/src/components/code.tsx b/packages/ui/src/components/code.tsx
index 788baf549..b4b772816 100644
--- a/packages/ui/src/components/code.tsx
+++ b/packages/ui/src/components/code.tsx
@@ -1,6 +1,22 @@
 import { type FileContents, File, FileOptions, LineAnnotation } from "@pierre/precision-diffs"
 import { ComponentProps, createEffect, splitProps } from "solid-js"
-import { createDefaultOptions, styleVariables } from "./pierre"
+import { createDefaultOptions, styleVariables } from "../pierre"
+import { getOrCreateWorkerPoolSingleton } from "@pierre/precision-diffs/worker"
+import { workerFactory } from "../pierre/worker"
+
+const workerPool = getOrCreateWorkerPoolSingleton({
+  poolOptions: {
+    workerFactory,
+    // poolSize defaults to 8. More workers = more parallelism but
+    // also more memory. Too many can actually slow things down.
+    // poolSize: 8,
+  },
+  highlighterOptions: {
+    theme: "OpenCode",
+    // Optionally preload languages to avoid lazy-loading delays
+    // langs: ["typescript", "javascript", "css", "html"],
+  },
+})
 
 export type CodeProps<T = {}> = FileOptions<T> & {
   file: FileContents
@@ -14,10 +30,13 @@ export function Code<T>(props: CodeProps<T>) {
   const [local, others] = splitProps(props, ["file", "class", "classList", "annotations"])
 
   createEffect(() => {
-    const instance = new File<T>({
-      ...createDefaultOptions<T>("unified"),
-      ...others,
-    })
+    const instance = new File<T>(
+      {
+        ...createDefaultOptions<T>("unified"),
+        ...others,
+      },
+      workerPool,
+    )
 
     container.innerHTML = ""
     instance.render({
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