ERROR: Support for the experimental syntax 'jsx' isn't currently enabled

When will this error occur?

You may get this error while you're running unit tests in React (TypeScript).

Fix?

- Run,

> npm i webpack

> npm i --save-dev @babel/preset-env @babel/preset-react @babel/preset-typescript @babel/plugin-proposal-class-properties

- Create a .babelrc file in root folder (next to package.json)

- Update the .babelrc file as follows:

{
    "presets": [
        "@babel/preset-env",
        "@babel/preset-react",
        "@babel/preset-typescript"
    ],
    "plugins": [
        "@babel/plugin-proposal-class-properties"
    ]
}

- Run,

> jest

The tests will run without errors

Courtesy

Comments

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