
Product
Socket for Jira Is Now Available
Socket for Jira lets teams turn alerts into Jira tickets with manual creation, automated ticketing rules, and two-way sync.
flow-bin
Advanced tools
Binary wrapper for Flow - A static type checker for JavaScript
macOS (arm64), Linux (x64, arm64) and Windows (x64) binaries are currently provided.
For Yarn:
$ yarn add --dev flow-bin
$ yarn run flow --help
For npm, add { "scripts": { "flow": "flow" } } in package.json and run:
$ npm install --save-dev flow-bin
$ npm run flow --help
$ npm install --save flow-bin
const execFile = require('child_process').execFile;
const flow = require('flow-bin');
execFile(flow, ['check'], (err, stdout) => {
console.log(stdout);
});
flow-bin is MIT-licensed.
make push VERSION=0.122.0 (use the same version as Flow)make publish (run npm adduser the first time to log in)npm pack
tar xf "flow-bin-$(node -p 'require("./package.json").version').tgz"
cd package
npm run verify
TypeScript is a popular static type checker for JavaScript developed by Microsoft. It offers a superset of JavaScript with optional static types, and it has a large ecosystem and community support. Unlike Flow, TypeScript requires a compilation step to convert TypeScript code into JavaScript.
PropTypes is a library for runtime type checking of React props. It is less comprehensive than Flow or TypeScript as it only checks types at runtime and is specifically designed for React components. It does not provide the same level of static analysis and type inference as Flow.
ESLint plugin for Flow type annotations. It provides linting rules for Flow type annotations, helping to enforce consistent style and catch potential issues. It complements Flow by integrating type checking into the ESLint workflow.
FAQs
Binary wrapper for Flow - A static type checker for JavaScript
The npm package flow-bin receives a total of 343,913 weekly downloads. As such, flow-bin popularity was classified as popular.
We found that flow-bin demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 11 open source maintainers collaborating on the project.
Did you know?

Socket for GitHub automatically highlights issues in each pull request and monitors the health of all your open source dependencies. Discover the contents of your packages and block harmful activity before you install or update your dependencies.

Product
Socket for Jira lets teams turn alerts into Jira tickets with manual creation, automated ticketing rules, and two-way sync.

Company News
Socket won two 2026 Reppy Awards from RepVue, ranking in the top 5% of all sales orgs. AE Alexandra Lister shares what it's like to grow a sales career here.

Security News
NIST will stop enriching most CVEs under a new risk-based model, narrowing the NVD's scope as vulnerability submissions continue to surge.