When working on my TypeScript project, I have noticed that to import ./foo/index.ts, there are four different ways to do it:
import Foo from './foo' // ❌
import Foo from './foo/index' // ❌
import Foo from './foo/index.js' // ❌
import Foo from './foo/index.ts' // ✅
I want to set up my project so that only full file names with their actual extensions are allowed for relative imports.
Is there a way to achieve this using either tsconfig.json or ESLint?
To begin, you have the option to easily incorporate this into your project:
npm install --save-dev eslint-plugin-require-extensions
or
yarn add -D eslint-plugin-require-extensions
After installation, make adjustments by updating your .eslintrc.json file with the following configurations:
extends: [
"plugin:require-extensions/recommended",
],
plugins: ["require-extensions"],
To test out these changes, use the commands below:
npm eslint ./src
or
yarn eslint ./src
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