[SOLVED] Typescript cannot find redux

Issue

I am getting the following error:

node_modules/@types/react-redux/index.d.ts(8,24): error TS2307: Cannot find module 'redux'.

despite having installed both react-redux and redux (package.json):

"dependencies": {
    "react": "15.4.2",
    "react-native": "0.42.3",
    "react-redux": "^5.0.3",
    "redux": "^3.6.0"
},
"devDependencies": {
    "@types/react": "^15.0.18",
    "@types/react-native": "^0.42.9",
    "@types/react-redux": "^4.4.38",
    "@types/redux": "^3.6.0",
    "babel-jest": "19.0.0",
    "babel-preset-react-native": "1.9.1",
    "jest": "19.0.2",
    "react-test-renderer": "15.4.2",
    "tslint": "^4.5.1",
    "typescript": "^2.2.1"
},

The README.md file in @types/redux says:

This is a stub types definition for Redux (https://github.com/reactjs/redux).
Redux provides its own type definitions, so you don't need @types/redux installed!

but uninstalling the @types/redux package makes no difference.

Any ideas?

UPDATE

I thought that by adding an index.d.ts to the @types/redux directory (containing only export * from ../../redux/index), it would solve the problem, but no joy.

Here is my tsconfig.json:

{
    "compilerOptions": {
        "target": "es2015",
        "module": "es2015",
        "jsx": "react",
        "outDir": "build",
        "rootDir": "src",
        "allowSyntheticDefaultImports": true,
        "noImplicitAny": true,
        "experimentalDecorators": true,
        "preserveConstEnums": true,
        "allowJs": true,
        "sourceMap": true
    },
    "filesGlob": [
        "src/**/*.ts",
        "src/**/*.tsx"
    ],
    "exclude": [
        "__tests__",
        "index.android.js",
        "index.ios.js",
        "build",
        "node_modules"
    ],
    "compileOnSave": false
}

and I definitely deleted the @types/redux directory from node_modules. I am (obviously) running TypeScript 2.2.1.

UPDATE 2

Code using redux:

import { combineReducers } from "redux"

export default combineReducers({})

Note that adding a semicolon after "redux" does not help.

Solution

I experienced the same problem on a react-native project. This fix worked for me:

You have to add “moduleResolution”: “node” to the compiler options in order to include type definitions linked in package.json files.

Documentation here https://www.typescriptlang.org/docs/handbook/module-resolution.html

Answered By – Andrew Sinner

Answer Checked By – Timothy Miller (BugsFixing Admin)

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