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no-unused-expressions

Disallow unused expressions.

Examples​

This rule extends the base eslint/no-unused-expressions rule. It adds support for optional call expressions x?.(), and directive in module declarations.

How to Use​

.eslintrc.cjs
module.exports = {
  "rules": {
    // Note: you must disable the base rule as it can report incorrect errors
    "no-unused-expressions": "off",
    "@typescript-eslint/no-unused-expressions": "warn"
  }
};

Options​

See eslint/no-unused-expressions options.

Taken with ❤️ from ESLint core

Resources​