Unable to import TypeScript modules unless the file extension is explicitly specified

As someone new to TypeScript, I was under the impression that I could import my TS files without specifying their file type.

Currently, I have to write:

import {sealed} from "./decorators/decorators.ts";

Instead of what I believe should be the correct way:

import {sealed} from "./decorators/decorators";

This leads to errors suggesting that only files ending in .js or .jsx are being sought after.

My tsconfig.json has the following configuration:

{
"compileOnSave": true,
"compilerOptions": {
    "module": "commonjs",
    "moduleResolution": "node",
    "jsx": "react",
    "allowJs": true,
    "target": "es6",
    "removeComments": true,
    "experimentalDecorators": true,
    "emitDecoratorMetadata": true
},
"exclude": [
    "node_modules",
    "typings/browser",
    "typings/browser.d.ts"
]

}

Answer №1

In case you are employing webpack, consider including the following code snippet to your webpack.config.js file:

resolve: {
  extensions: ['', '.js', '.jsx', '.ts', '.tsx']
},

Answer №2

Following thitemple's advice did the trick for me, although I had to omit '' from the array as it was causing webpack to fail to launch.

resolve: {
  extensions: ['.js', '.jsx', '.ts', '.tsx']
},

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