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swc-project / swc Public

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perf: speed up swc_ecma_codegen JsWriter hot path#11870

Draft

hardfist wants to merge 5 commits into

swc-project:mainswc-project/swc:mainfrom

hardfist:codex/ecma-codegen-10pct-speeduphardfist/swc:codex/ecma-codegen-10pct-speedupCopy head branch name to clipboard

Conversation Commits5 (5)Checks Files changed

Draft

perf: speed up swc_ecma_codegen JsWriter hot path#11870
hardfist wants to merge 5 commits into
swc-project:mainfrom
hardfist:codex/ecma-codegen-10pct-speedup

Commits

Commits on May 19, 2026

perf(ecma_codegen): speed up js writer srcmap+indent hot path
hardfist
committed
perf(ecma_codegen): avoid hash dedupe and cache indentation writes
hardfist
committed
perf(ecma_codegen): streamline write hot path branching
hardfist
committed

Commits on May 20, 2026

Merge remote-tracking branch 'origin/main' into codex/ecma-codegen-10pct-speedup
hardfist
committed
fix(ecma_codegen): remove stale srcmap hash dedupe path
hardfist
committed

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