TC39 migration: flip experimentalDecorators to Stage 3 decorators (atomic)#18647

Merged

RaananW merged 21 commits into

raananw-tc39-pr3-compiler-flip

Jul 6, 2026

Commits on Jul 1, 2026

TC39 core-infra: TC39 decorator signatures and compiler flip

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TC39 core-materials: accessor keyword on all core decorator sites

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TC39 materials-lib: accessor keyword on materials library decorator sites

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TC39 gui: accessor keyword on fluentMaterial decorator sites

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TC39 serializers-3mf: convert 3MF XML decorators to TC39 metadata

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TC39 test-infra: vitest esbuild class-field semantics + Symbol.metadata polyfill

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TC39 node-editor-tooling: Symbol.metadata property store for editable props

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TC39 lit-viewer: accessor keyword on viewer Lit element decorators

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TC39 playground-tooling: drop experimentalDecorators from Monaco/snippet transpilers

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Commits on Jul 2, 2026