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Command-line tool

flow-bin

npm/flow-bin

Checked 26 Oct 2026, 08:31 UTC · Still published on npm

Binary wrapper for Flow - A static type checker for JavaScript cli-app cli bin binary flow facebook type inference check checker javascript js

At a glance

Type
Command-line tool
Install on
Windows, macOS, Linux
Last checked
26 Oct 2026, 08:31 UTC

Install it

Windows

npm install -g flow-bin
winget install --id MadrasCheck.flow -e
scoop install flow
scoop bucket add extras; scoop install extras/flow-control

macOS

npm install -g flow-bin

Linux

npm install -g flow-bin

Run a flow check

flow

Check which files are being checked by flow

flow ls

Run a type coverage check on all files in a directory

flow batch-coverage --show-all --strip-root path/to/directory

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