Unable to resolve types reexported from `react-onclickoutside`

[jcrang]

Describe the bug

Types reexported from react-onclickoutside cannot be used unless @types/react-onclickoutside is installed as well as react-datepicker.

This means that excludeScrollbar is not correctly typed as a boolean, and TypeScript does not cleanly compile unless the skipLibCheck compiler option is true.

TypeScript fails with:

  node_modules/react-datepicker/dist/index.d.ts(2,60): error TS7016: Could not find a declaration file for module 'react-onclickoutside'. '/repo/UI/Website/node_modules/react-onclickoutside/dist/react-onclickoutside.cjs.js' implicitly has an 'any' type.
  Try `npm i --save-dev @types/react-onclickoutside` if it exists or add a new declaration (.d.ts) file containing `declare module 'react-onclickoutside';`

To Reproduce

See CodeSandbox; direct link to index.d.ts.

Expected behavior

• excludeScrollbar is a boolean
• TypeScript can compile cleanly

Screenshots

Desktop (please complete the following information):

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Smartphone (please complete the following information):

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Additional context

I think the simplest fix here is to add @types/react-onclickoutside as a dependency rather than dev dependency.

An alternative fix is to redefine the types from @types/react-onclickoutside inline without importing them from react-onclickoutside.

Two workarounds are:

• Enable the skipLibCheck TypeScript compiler options – this allows TypeScript to compile but does not correct the type of excludeScrollbar.
• Run npm install --save-dev @types/react-onclickoutside to include the missing types.

[hamidrezahanafi]

Hopefully soon that prop is going to be removed
#4979

[artygrand]

I don't know, it's related or no, but I got that error on build with new one below

node_modules/react-datepicker/dist/calendar.d.ts:10:26 - error TS2307: Cannot find module 'date-fns/types' or its corresponding type declarations.

10 import type { Day } from "date-fns/types";

[JurajKavka]

I can't build my UI lib that depends on react-datepicker@7.3.0 due to missing @types/react-onlclickoutside. Version 7.3.0 depends on react-onlickoutside itself in package.json. In main branch in package.json that dependency is missing so probably with new version it will be fixed.

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