[emitter-framework] Render discriminated unions correctly #7369
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maorleger
requested review from
bterlson,
markcowl,
timotheeguerin,
witemple-msft,
chrisradek and
AlitzelMendez
as code owners
packages/emitter-framework/test/typescript/components/union-declaration.test.tsx
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packages/emitter-framework/test/typescript/components/union-declaration.test.tsx
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packages/emitter-framework/src/typescript/components/union-expression.tsx
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maorleger
commented
May 19, 2025
packages/emitter-framework/src/typescript/components/union-expression.tsx
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This pull request enhances the handling of discriminated unions in the
@typespec/emitter-frameworkpackage. It introduces new rendering logic for discriminated unions, updates existing components to support these changes, and improves test coverage to validate the new functionality.Enhancements to discriminated union rendering:
ObjectEnvelopeandNoneEnvelopefunctions inunion-expression.tsx. These handle different discriminator configurations and ensure proper rendering of union variants. [1] [2]Updates to existing components:
InterfaceBodycomponent ininterface-declaration.tsxto include a semicolon when rendering type members, ensuring consistency with TypeScript syntax. Found in passing and validated via the new testsImprovements to test coverage:
union-declaration.test.tsxusing the new testing patternsFixes #7174