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swc-project / swc Public

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perf(es/parser): micro-optimize parser hot paths#11859

Draft

hardfist wants to merge 7 commits into

swc-project:mainswc-project/swc:mainfrom

hardfist:codex/ecma-parser-micro-optimizehardfist/swc:codex/ecma-parser-micro-optimizeCopy head branch name to clipboard

Conversation Commits7 (7)Checks Files changed

Draft

perf(es/parser): micro-optimize parser hot paths#11859
hardfist wants to merge 7 commits into
swc-project:mainfrom
hardfist:codex/ecma-parser-micro-optimize

Commits

Commits on May 16, 2026

chore: ignore optimization artifacts
hardfist
committed
perf(es/parser): optimize parser hot paths
hardfist
committed
perf(es/parser): avoid moving boxed expr checks
hardfist
committed
perf(es/parser): simplify unary prefix token check
hardfist
committed
perf(es/parser): fast path primary identifiers
hardfist
committed
perf(es/parser): skip plain calls in no-call subscript parse
hardfist
committed
perf(es/parser): narrow no-call subscript start check
hardfist
committed

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