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Import declaration conflicts with local declaration of 'RootState'. #251

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AhsanAyaz opened this issue Feb 27, 2021 · 0 comments
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@AhsanAyaz
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Description

Conflicting types for some weird unknown reason.

Mandatory info

  • [ x] Are you extending internal types to enable type-free syntax with createReducer?
import {StateType, ActionType} from 'typesafe-actions';

declare module 'typesafe-actions' {
  export type Store = StateType<typeof import('./index').default>;

  export type RootState = StateType<typeof import('./root-reducer').default>;

  export type RootAction = ActionType<typeof import('./root-action').default>;

  interface Types {
    RootAction: RootAction;
  }
}

How to Reproduce

No CodeSandbox Link

If no codesandbox, then please provide a full working code example below including actions, reducers and your custom types used in the example.

// root-reducer.ts
import {combineReducers} from 'redux';

import usersReducer from './users/users.reducer';

const rootReducer = combineReducers({
  userData: usersReducer,
});

export default rootReducer;
// index.ts
import {configureStore} from '@reduxjs/toolkit';
import {createEpicMiddleware} from 'redux-observable';
import {RootAction, RootState, Services} from 'typesafe-actions';
import services from '../services';

import rootReducer from './root-reducer';
import rootEpic from './root-epic';

export const epicMiddleware = createEpicMiddleware<
  RootAction,
  RootAction,
  RootState,
  Services
>({
  dependencies: services,
});

const store = configureStore({
  reducer: rootReducer,
  devTools: true,
  middleware: [epicMiddleware],
});

epicMiddleware.run(rootEpic);

// Infer the `RootState` and `AppDispatch` types from the store itself
export type RootState = ReturnType<typeof store.getState>;
export type AppDispatch = typeof store.dispatch;

export default store;

Expected behavior

The types should not conflict ☹️

Suggested solution(s)

No idea yet.

Project Dependencies

  • Typesafe-Actions Version: 5.1.0
  • TypeScript Version: 3.8.3
  • tsconfig.json:
{
  "compilerOptions": {
    /* Basic Options */
    "target": "esnext",                       /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017','ES2018' or 'ESNEXT'. */
    "module": "commonjs",                     /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', or 'ESNext'. */
    "lib": ["es2017"],                        /* Specify library files to be included in the compilation. */
    "allowJs": true,                          /* Allow javascript files to be compiled. */
    // "checkJs": true,                       /* Report errors in .js files. */
    "jsx": "react-native",                    /* Specify JSX code generation: 'preserve', 'react-native', or 'react'. */
    // "declaration": true,                   /* Generates corresponding '.d.ts' file. */
    // "sourceMap": true,                     /* Generates corresponding '.map' file. */
    // "outFile": "./",                       /* Concatenate and emit output to single file. */
    // "outDir": "./",                        /* Redirect output structure to the directory. */
    // "rootDir": "./",                       /* Specify the root directory of input files. Use to control the output directory structure with --outDir. */
    // "removeComments": true,                /* Do not emit comments to output. */
    "noEmit": true,                           /* Do not emit outputs. */
    // "incremental": true,                   /* Enable incremental compilation */
    // "importHelpers": true,                 /* Import emit helpers from 'tslib'. */
    // "downlevelIteration": true,            /* Provide full support for iterables in 'for-of', spread, and destructuring when targeting 'ES5' or 'ES3'. */
    "isolatedModules": true,                  /* Transpile each file as a separate module (similar to 'ts.transpileModule'). */

    /* Strict Type-Checking Options */
    "strict": true,                           /* Enable all strict type-checking options. */
    // "noImplicitAny": true,                 /* Raise error on expressions and declarations with an implied 'any' type. */
    // "strictNullChecks": true,              /* Enable strict null checks. */
    // "strictFunctionTypes": true,           /* Enable strict checking of function types. */
    // "strictPropertyInitialization": true,  /* Enable strict checking of property initialization in classes. */
    // "noImplicitThis": true,                /* Raise error on 'this' expressions with an implied 'any' type. */
    // "alwaysStrict": true,                  /* Parse in strict mode and emit "use strict" for each source file. */

    /* Additional Checks */
    // "noUnusedLocals": true,                /* Report errors on unused locals. */
    // "noUnusedParameters": true,            /* Report errors on unused parameters. */
    // "noImplicitReturns": true,             /* Report error when not all code paths in function return a value. */
    // "noFallthroughCasesInSwitch": true,    /* Report errors for fallthrough cases in switch statement. */

    /* Module Resolution Options */
    "moduleResolution": "node",               /* Specify module resolution strategy: 'node' (Node.js) or 'classic' (TypeScript pre-1.6). */
    // "baseUrl": "./",                       /* Base directory to resolve non-absolute module names. */
    // "paths": {},                           /* A series of entries which re-map imports to lookup locations relative to the 'baseUrl'. */
    // "rootDirs": [],                        /* List of root folders whose combined content represents the structure of the project at runtime. */
    // "typeRoots": [],                       /* List of folders to include type definitions from. */
    // "types": [],                           /* Type declaration files to be included in compilation. */
    "allowSyntheticDefaultImports": true,     /* Allow default imports from modules with no default export. This does not affect code emit, just typechecking. */
    "esModuleInterop": true,                  /* Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'. */
    // "preserveSymlinks": true,              /* Do not resolve the real path of symlinks. */
    "skipLibCheck": false                      /* Skip type checking of declaration files. */

    /* Source Map Options */
    // "sourceRoot": "./",                    /* Specify the location where debugger should locate TypeScript files instead of source locations. */
    // "mapRoot": "./",                       /* Specify the location where debugger should locate map files instead of generated locations. */
    // "inlineSourceMap": true,               /* Emit a single file with source maps instead of having a separate file. */
    // "inlineSources": true,                 /* Emit the source alongside the sourcemaps within a single file; requires '--inlineSourceMap' or '--sourceMap' to be set. */

    /* Experimental Options */
    // "experimentalDecorators": true,        /* Enables experimental support for ES7 decorators. */
    // "emitDecoratorMetadata": true,         /* Enables experimental support for emitting type metadata for decorators. */
  },
  "exclude": [
    "node_modules", "babel.config.js", "metro.config.js", "jest.config.js"
  ]
}
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