tenseleyflow/claudex / d88a74d

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perf: disable react strictmode to stop terminal double-mount thrash

Authored by espadonne
SHA
d88a74d60a929421c653e94fecf666c2835b10e0
Parents
c45b847
Tree
e69190f

1 changed file

StatusFile+-
M src/main.tsx 10 6
src/main.tsxmodified
@@ -1,4 +1,3 @@
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-import React from "react";
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 import ReactDOM from "react-dom/client";
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 import App from "./App";
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 import { installDebugBridge } from "./lib/debug";
@@ -8,8 +7,13 @@ import "./index.css";
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 // crash during initial render still lands in ~/Library/Logs/claudex.
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 installDebugBridge();
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-ReactDOM.createRoot(document.getElementById("root")!).render(
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-  <React.StrictMode>
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-    <App />
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-  </React.StrictMode>,
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-);
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+// StrictMode is intentionally OFF. Its dev-only double-invoke of
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+// effects forced every TerminalPane mount to run `new Terminal()`
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+// + `term.open()` + WebGL context init + ring-buffer replay
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+// twice, which on a macOS webview triggers WebGL context
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+// thrashing and multi-second main-thread stalls every time the
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+// user switches sessions. See ~/Library/Logs/claudex/claudex.log
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+// circa 2026-04-11 for the signature `mount begin → unmount →
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+// mount begin` pattern that proved it. Reinstate once the xterm
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+// mount path is genuinely idempotent and cheap.
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+ReactDOM.createRoot(document.getElementById("root")!).render(<App />);