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Whenever you have a spare moment |
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…cebook#7) * TIM-472: Flight wire format and client boundary detection analysis Comprehensive analysis covering: - isClientReference() detection via Symbol.for('react.client.reference') - ClientReference shape (99689typeof, 99689id, 99689async) - Flight wire format: row format, chunk types (Model, Import, Error, etc.) - Import chunk metadata: module ID, chunks array, export name - Props serialization at client boundaries - Async server component handling (thenable → ping → retry) - Module reference resolution (build-time proxies → manifest → metadata) - Implications for fused renderer: detection, extraction, manifest access * TIM-482: go/no-go checkpoint — GO with narrow scope (Approach B+) Decision: proceed with fused renderer using Approach B+ (Flight as library + focused props serializer), phased rollout starting with sync server component execution in Fizz. Key evidence: - Flight overhead is 54-79% of total SSR time (TIM-483) - Detection functions are trivially extractable (TIM-481) - Hydration markers are backwards-compatible (TIM-473) - Projected 2x throughput improvement Phased approach: - Phase 1: TIM-474, TIM-475 (server-side fusion) - Phase 2: TIM-476, TIM-477 (client hydration optimization) - Phase 3: TIM-478-480 (coexistence, benchmarks, edge cases) Each phase is a decision gate.
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Whenever you have a spare moment =]