feat: add transform method to request context#232
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RYNBSD wants to merge 1 commit intofastify:mainfrom
Open
feat: add transform method to request context#232RYNBSD wants to merge 1 commit intofastify:mainfrom
RYNBSD wants to merge 1 commit intofastify:mainfrom
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- Add `transform` method that allows functional updates to context values - Method takes a key and transformation function for immutable updates - Support complex data structures and object transformations - Maintain request isolation and work with default store values - Add TypeScript definitions for type-safe transformations - Include comprehensive test coverage for various use cases
climba03003
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Nov 18, 2025
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climba03003
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climba03003
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I see it as a helper function to reduce the call of .get and .set.
But I don't see how it can be immutable updates.
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transform is a helper that enables immutable updates when the passed fn returns a new value (object/array/primitive). It does not itself deep-clone or prevent mutation of the old object — immutability is achieved by the user-supplied fn or by making fn operate on a copy/frozen value. To make immutable updates safe by default, ensure: |
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transformmethod that allows functional updates to context valuesChecklist
npm run test && npm run benchmark --if-presentand the Code of conduct