chore: import upstream snapshot with attribution

2026-07-13 13:32:57 +08:00
commit cd420f9332
4811 changed files with 884702 additions and 0 deletions
@@ -0,0 +1,34 @@
+import { lazy } from "react";
+import type { CodeHighlighterPlugin } from "streamdown";
+
+export const StreamdownRenderer = lazy(() =>
+  Promise.all([import("streamdown"), import("@streamdown/code"), import("./shikiTheme")]).then(
+    ([{ Streamdown }, { createCodePlugin }, { triggerDarkTheme }]) => {
+      // Type assertion needed: @streamdown/code and streamdown resolve different shiki
+      // versions under pnpm, causing structurally-identical CodeHighlighterPlugin types
+      // to be considered incompatible (different BundledLanguage string unions).
+      const codePlugin = createCodePlugin({
+        themes: [triggerDarkTheme, triggerDarkTheme],
+      }) as unknown as CodeHighlighterPlugin;
+
+      return {
+        default: ({
+          children,
+          isAnimating = false,
+        }: {
+          children: string;
+          isAnimating?: boolean;
+        }) => (
+          <Streamdown
+            isAnimating={isAnimating}
+            plugins={{ code: codePlugin }}
+            controls={{ code: { copy: false, download: false } }}
+            linkSafety={{ enabled: false }}
+          >
+            {children}
+          </Streamdown>
+        ),
+      };
+    }
+  )
+);