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Type inference currently assumes that a `FunctionSignature`'s effects have no false positives. If a `mutate` effect is observed on a read-only place, Forget currently assumes this is an user error and [throws](https://github.com/facebook/react-forget/blob/207595e04e2be08b8f62bf21dac9d846b9651e43/forget/src/Inference/InferReferenceEffects.ts#L275-L281). Array.from is polymorphic -- its effects are dependent on the type of its parameters
test262
@ 83a46bfe0e
React Forget
React Forget is an experimental Babel plugin to automatically memoize React Hooks and Components.
Development
# tsc --watch
$ yarn dev
# in another terminal window
$ yarn test --watch
Notes
An overview of the implementation can be found in the Architecture Overview.
This transform
- needs plugin-syntax-jsx as a dependency to inherit the syntax from.
- should be run before plugin-transform-react-jsx
- assume the enforcement of rules of hooks, i.e.
- only call hooks from React functions
- only call hooks at the top level
- https://www.npmjs.com/package/eslint-plugin-react-hooks
Scaffolding
- https://github.com/facebook/flow/tree/master/packages/babel-plugin-transform-flow-enums
- https://github.com/babel/babel/blob/main/packages/babel-plugin-transform-react-jsx/src/create-plugin.ts
Reference