flow ☆
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Description:
Static type checker for JavaScript
Type: Formula  |  Latest Version: 0.294.0@0  |  Tracked Since: Dec 10, 2025
Links: Homepage  |  formulae.brew.sh
Category: Developer tools
Tags: javascript static-analysis type-checker developer-tools flow
Install: brew install flow
About:
Flow is a static type checker for JavaScript, designed to catch type errors early in the development process. It analyzes code to identify common bugs and improve code quality without requiring runtime overhead. This tool helps developers write more robust and maintainable applications by adding optional type safety.
Key Features:
  • Gradual typing system for easy adoption
  • Powerful type inference to minimize annotation overhead
  • Deep integration with JavaScript tooling and editors
  • Zero runtime performance impact
Use Cases:
  • Adding type safety to existing JavaScript codebases
  • Preventing common bugs in large-scale applications
  • Improving developer productivity through better tooling
Alternatives:
  • TypeScript – TypeScript is a superset of JavaScript with its own compiler, while Flow is a static analysis tool that works with standard JavaScript
  • JSDoc – JSDoc provides basic type checking through comments, whereas Flow offers more sophisticated type inference and analysis
Version History
Detected Version Rev Change Commit
Dec 18, 2025 4:00pm 0.294.0 0 VERSION_BUMP c434a2ba
Dec 10, 2025 1:09pm 0 VERSION_BUMP 85fac0f6
Dec 5, 2025 2:58am 0 VERSION_BUMP af7e1065
Oct 22, 2025 7:43pm 0 VERSION_BUMP cc01ae6d
Sep 27, 2025 9:11am 0 VERSION_BUMP f2996931
Sep 24, 2025 12:05pm 0 VERSION_BUMP 342d50af
Sep 16, 2025 9:55pm 0 VERSION_BUMP a42d69cb
Sep 13, 2025 7:01pm 0 VERSION_BUMP 9b6dfbd2
Jan 16, 2025 2:07pm 0 VERSION_BUMP 13aa9a30
Jan 8, 2025 2:55am 0 VERSION_BUMP 91a553ff
Jan 7, 2025 5:23pm 0 VERSION_BUMP 23116a3b
Dec 18, 2024 3:17pm 0 VERSION_BUMP 9ef7676c
Nov 25, 2024 2:31pm 0 VERSION_BUMP a0a9d197
Nov 20, 2024 8:46am 0 VERSION_BUMP a3d98b9a
Nov 19, 2024 12:01am 0 VERSION_BUMP a4e056ec
Nov 14, 2024 12:13pm 0 VERSION_BUMP 5139e781
Oct 30, 2024 9:08pm 0 VERSION_BUMP aab89215
Oct 30, 2024 1:25pm 0 VERSION_BUMP 69ac5bbf
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Oct 12, 2024 5:52am 0 VERSION_BUMP 655f9244
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Sep 27, 2024 11:53am 0 VERSION_BUMP 10147dd7
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Sep 11, 2024 3:20am 0 VERSION_BUMP 95e05403
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Sep 4, 2024 12:50am 0 VERSION_BUMP e342f8e1
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Jul 18, 2024 2:37am 0 VERSION_BUMP c435e457
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Dec 19, 2023 3:25pm 0 VERSION_BUMP b92a4f70
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Mar 16, 2023 11:05pm 0 VERSION_BUMP 25accad6
Mar 16, 2023 11:05pm 0 VERSION_BUMP e5d1c5d8
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