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laurenandGitHub
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The regex crate services exactly one pattern, the dynamic-gating directive `^use memo if\(([^\)]*)\)$`, while costing ~570KB of `.text` (regex + regex_automata + regex_syntax + aho_corasick) in the shipped binary; after LTO the removal saves ~1MB through dead-code cascade. Replaced with an exact hand parse: strip the `use memo if(` prefix and `)` suffix, reject conditions containing a close paren. Equivalence with the TS `DYNAMIC_GATING_DIRECTIVE` regex verified on the full gating fixture directory: 30/30 byte-identical TS-vs-Rust on the e2e comparison harness, dynamic-gating snap fixtures green. Independent of #36726; the two compose to take the default release binary from 11.2MB to 6.1MB.
React Compiler
React Compiler is a compiler that optimizes React applications, ensuring that only the minimal parts of components and hooks will re-render when state changes. The compiler also validates that components and hooks follow the Rules of React.
More information about the design and architecture of the compiler are covered in the Design Goals.
More information about developing the compiler itself is covered in the Development Guide.