flow-typed is a CLI tool that provides auto-discovery of flow type definitions for installed JS packages (and other things). I usually use TypeScript over Flow and often find myself installing pack...

I am getting following when trying to install flow-types yarn run flow-typed install Error • Found 29 dependencies in package.json to install libdefs for. Searching... • flow-typed cache not found...

I am building a nodeJS app using Flow, and I need to extend the default express annotation for express$Request to accommodate other fields that I tack on, like .user and .session. unfortunately, w...

I am using Flow: Static type checking library for react front end application, it throws "cannot resolve" for internal imports from src directory: Example in file at path: src/abc/def/ghi/hello.js...

I have a npm package of React components which are using flow for type-checking. It would be useful for the users of my components to have access to my flow types. However at the moment I am compi...

Consider puppeteer's launch() method. The usage guidelines in the Puppeteer readme recommend to use const puppeteer = require('puppeteer') and then puppeteer.launch(): const puppeteer = require('...

I'm using flowtypes in my project and getting third-party library definitions via flow-typed CLI. Running flow-typed install puts in /flow-typed/npm folder all definitions founded for dependencies...

As an example, let's say I have a class that only emits three possible events – 'pending' or 'success' or 'failure'. Additionally, the type of the argument received in the eventHandler depends on w...

I just added Flow to my Create-React-App project, and while converting some of my calculation code to flow-typed, I encountered this error with a destructured "object as params" Original sig: cal...

I get these Flow errors in my test files: identifier `test` Could not resolve name identifier `expect` Could not resolve name I've installed the Jest libdef from flow-typed but it doesn't make ...

I am trying to write a Javascript project with strict flow typing everywhere. I also have a dependency on big-integer. There are no preset flow annotations in flow-typed unfortunately and Google is...

Some libdefs in flow-typed respository have types, started with the dollar sign, like $AxiosXHR: It looks like it declares globally available type, but I am not sure, and I haven't found any doc...

I'm using Flow to help author a JS project. If I want to provide a libdef file to supplement it do I need to create it manually, or am I able to execute some magic command that I'm not aware of yet...

I'm currently learning Flow by applying it to an existing project and looking to annotate function parameters as a Moment.JS objects. Using flow-typed I was able to install a library definition f...

Is it possible to flow type check an observable? I am using redux-observable to build out epics that watch for actions to dispatch and, if there is a match, they run some async code. The action$ ar...