Release v0.53.0 · facebook/flow
This release includes major changes to Flow's model for React. The following links contain detailed documentation on the new model. Defining components Event handling ref functions Typing children Higher-order components Utility type reference Please use the new flow-upgrade tool to upgrade your codebase to take advantage of these changes! Likely to cause new Flow errors: We are modifying how you
Release v0.49.0 · facebook/flow
Notable bug fixes: Optimized performance when typechecking classes Optimized performance of sentinel property checks involving large enums Lots of libdef updates! Thanks everyone for the contributions! Misc: Fixed infinite recursion from array spread Added experimental support for sending errors to an IDE over a persistent connection Removed unused --libs flag on status, check, and start commands
Release v0.48.0 · facebook/flow
New Features: Experimental support for "lazy" typechecking. On large codebases, the Flow server will start up faster when using the --lazy flag with flow start or flow server, by only computing dependency information and not doing any typechecking. Instead, as files are touched, they are typechecked incrementally along with files that depend on them (and their dependencies). Relatedly, running flo
Release v0.47.0 · facebook/flow
Likely to cause new Flow errors: We are now sealing the object type that is passed to a React component's props. This means Flow will start complaining if you try and access unknown React props. Strict function call arity checking is now on for everyone! The experimental.strict_call_arity option has been removed. For more, see https://flow.org/blog/2017/05/07/Strict-Function-Call-Arity/ Notable bu
Release v0.46.0 · facebook/flow
Likely to cause new Flow errors: We updated the type for the React.Component constructor, which means Flow can now infer the prop types based on the super(props) call in a react component constructor. This means components that weren't already declaring their prop types may start getting errors if there are any issues with their prop types. We fixed the type of Promise.prototype.catch, which means
Release v0.39.0 · facebook/flow
Likely to cause new Flow errors: Previous usage of ReactElement<*> as a return type for render functions in React may now cause new errors now that a type propogation bug has been fixed. The general solution for this is to remove the return type for functions that return a React element (return types can be inferred by Flow, and Flow has never had a good way to express the type of a specific React
Release v0.34.0 · facebook/flow
Likely to cause new Flow errors: Dictionary types (i.e. {[key: string]: ValueType}) were previously covariant which proved to be a significant source of unsoundness. Dictionary types are now invariant by default in order to fall into consistency with other collection types. It is possible to opt in to explicit covariance with new syntax: {+[key: string]: ValueType}, but note that this is now enfor
Release v0.28.0 · facebook/flow
Likely to cause new Flow errors: Significant fix to matching members of union types. This fix very likely surfaces typechecking issues that were missed before. Check out the blog post for more details Variables in template literals are now subject to the same rules as variables being concatenated with a string using +. This may surface template strings with variables that may not safely coerce to
Release v0.23.0 · facebook/flow
Likely to cause new Flow errors: When you refine a mixed variable with typeof myVar === 'object', we used to refine the type of myVar to null | Object. Now it is refined to null | {[key: string]: mixed}. This means myVar.prop has the type mixed rather than any. Removed non-standard Promise methods. Previous versions of Flow specified the type of Promise.prototype.done and Promise.cast, which are n
flow/Changelog.md at main · facebook/flow
Likely to cause new Flow errors: We now detect errors when props of React components using component syntax, or hook argument/return values of React hooks using hook syntax, contain arrays, sets, or maps that are mutated using their methods (Array.push, Set.add, Map.set, etc). These values are expected to be read-only, and we previously errored on directly setting their props; this release extends
Flow | A static type checker for JavaScript
Code Faster.Tired of having to run your code to find bugs? Flow identifies problems as you code. Stop wasting your time guessing and checking. Code Smarter.It's hard to build smart tools for dynamic languages like JavaScript. Flow understands your code and makes its knowledge available, enabling other smart tools to be built on top of Flow. Code Confidently.Making major changes to large codebases
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[RFC] GraphQL support by pvolok · Pull Request #2307 · facebook/flow![[RFC] GraphQL support by pvolok · Pull Request #2307 · facebook/flow](https://cdn-ak-scissors.b.st-hatena.com/image/square/f65e894d479a98ca6d9c3941de302e458a48f413/height=288;version=1;width=512/https%3A%2F%2Fopengraph.githubassets.com%2F2f622265aa8b6b30c0f67308c0576224729b0919f31815a0e3642358eb54ee6f%2Ffacebook%2Fflow%2Fpull%2F2307)
flow/flow-types.el at master · facebook/flow · GitHub
Replace React.PropTypes with Flow types · Issue #277 · facebook/flow
Please provide Windows binaries · Issue #6 · facebook/flow
https://github.com/facebook/flow/blob/v0.12.0/Changelog.md
https://github.com/facebook/flow/blob/v0.7.0/Changelog
https://github.com/facebook/flow/blob/v0.8.0/Changelog
https://github.com/facebook/flow/blob/v0.2.0/Changelog
facebook/flow: Adds static typing to JavaScript to improve developer productivity and code quality.