Is it possible to use export * from './X' with absolute import paths and eslint in react/typescript? I wanted to have single index.ts file in components folder that would export everything else but eslint gives me weird error when i'm trying to do this.
My current structure looks like this:
src/components/Example1/Example1.tsx
import React from 'react';
export type Props = {};
export const Example1 = (props: Props) => <div></div>
src/components/Example1/index.ts
export * from './Example1';
src/components/index.ts
export * from './Example1';
Both index files gives me error:
0:0 error Parsing error: Cannot read property 'name' of undefined
Also when i try to import anything from the components/index file using an absolute path import { Example1 } from 'components'; i have an error:
1:43 error Parse errors in imported module 'components': Cannot read property 'name' of undefined (undefined:undefined) import/namespace
1:43 error Parse errors in imported module 'components': Cannot read property 'name' of undefined (undefined:undefined) import/named
This is my .eslintrc.json file
{
"env": {
"browser": true,
"es6": true,
"node": true
},
"root": true,
"extends": [
"eslint:recommended",
"plugin:react/recommended",
"plugin:@typescript-eslint/eslint-recommended",
"plugin:import/warnings",
"plugin:import/errors",
"plugin:import/typescript",
"prettier/@typescript-eslint",
"prettier",
"prettier/react"
],
"plugins": [
"react",
"react-hooks",
"jsx-a11y",
"@typescript-eslint",
"prettier"
],
"parser": "@typescript-eslint/parser",
"parserOptions": {
"ecmaFeatures": {
"jsx": true
},
"ecmaVersion": 2018,
"sourceType": "module"
},
"settings": {
"react": {
"version": "detect"
},
"import/resolver": {
"node": {
"extensions": [".js", ".jsx", ".ts", ".tsx"],
"moduleDirectory": ["node_modules", "src/"]
}
}
},
"rules": {
"prettier/prettier": "error",
"import/newline-after-import": "error",
"no-unused-vars": "off",
"@typescript-eslint/no-unused-vars": [
"warn",
{ "args": "after-used", "argsIgnorePattern": "^_" }
]
}
}
This is my tsconfig.json:
{
"compilerOptions": {
"target": "es5",
"lib": ["dom", "dom.iterable", "esnext"],
"allowJs": true,
"skipLibCheck": true,
"esModuleInterop": true,
"allowSyntheticDefaultImports": true,
"strict": true,
"forceConsistentCasingInFileNames": true,
"module": "esnext",
"moduleResolution": "node",
"resolveJsonModule": true,
"isolatedModules": true,
"noEmit": true,
"jsx": "react",
"baseUrl": "./src"
},
"include": ["src"]
}
My current package.json:
{
"name": "frontend",
"version": "0.0.0",
"license": "MIT",
"private": true,
"dependencies": {
"@apollo/react-hooks": "^3.1.3",
"@material-ui/core": "^4.9.5",
"@material-ui/icons": "^4.9.1",
"@material-ui/styles": "^4.9.0",
"@testing-library/jest-dom": "^4.2.4",
"@testing-library/react": "^9.3.2",
"@testing-library/user-event": "^7.1.2",
"@types/jest": "^24.0.0",
"@types/material-ui": "^0.21.7",
"@types/node": "^12.0.0",
"@types/react": "^16.9.0",
"@types/react-dom": "^16.9.0",
"@types/react-router-dom": "^5.1.3",
"@types/styled-components": "^5.0.1",
"@types/yup": "^0.26.32",
"apollo-boost": "^0.4.7",
"env-cmd": "^10.1.0",
"formik": "^2.1.4",
"graphql": "^14.6.0",
"i18next": "^19.3.3",
"i18next-browser-languagedetector": "^4.0.2",
"react": "^16.13.0",
"react-dom": "^16.13.0",
"react-i18next": "^11.3.3",
"react-router-dom": "^5.1.2",
"react-scripts": "3.4.0",
"styled-components": "^5.0.1",
"typescript": "~3.7.2",
"yup": "^0.28.3"
},
"devDependencies": {
"@typescript-eslint/eslint-plugin": "^2.23.0",
"@typescript-eslint/parser": "^2.23.0",
"eslint": "^6.8.0",
"eslint-config-prettier": "^6.10.0",
"eslint-plugin-import": "^2.20.1",
"eslint-plugin-jsx-a11y": "^6.2.3",
"eslint-plugin-prettier": "^3.1.2",
"prettier": "^1.19.1"
},
"scripts": {
"start": "react-scripts start",
"build": "react-scripts build",
"build:staging": "env-cmd -f .env.staging yarn build",
"test": "react-scripts test",
"eject": "react-scripts eject",
"lint": "tsc --noEmit && eslint . --ext .js,.tsx,.ts --max-warnings=0",
"lint:fix": "eslint . --ext .js,.tsx,.ts --fix",
"watch": "react-scripts start",
"deploy": "yarn build && firebase deploy",
"deploy:staging": "yarn build:staging && firebase use staging && firebase deploy"
},
"eslintConfig": {
"extends": "react-app"
},
"browserslist": {
"production": [
">0.2%",
"not dead",
"not op_mini all"
],
"development": [
"last 1 chrome version",
"last 1 firefox version",
"last 1 safari version"
]
}
}
I'm also using lerna with yarn workspaces to easily handle MERN app.
Deleting eslint package / configs, node_modules did not help me, i still have Cannot read property 'name' of undefined error. It is super weird because in clean CRA everything works. I spent last 4 hours trying to solve this problem and finally used a workaround with importing types to root index file and reexporing them as new type but it's definately a painful solution. I need to keep isolatedModules. Maybe someone had similar problem?
askeyword likeexport * as Example from './Example1'– Jai