Enable strict mode

json

{
  "compilerOptions": {
    "strict": true
  }
}

Explanation

The TSConfig reference documents `strict` as a top-level switch for stronger type checking.

Learn the surrounding workflow

Compare similar commands or jump into common fixes when this command is part of a bigger troubleshooting path.

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A small strict config for many projects.

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Example config for modern Node.js projects.

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Use `baseUrl` and `paths` for ergonomic imports.

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Use `include` and `exclude` patterns.

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Print the final config after `extends` resolution.

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Print files included in the program.

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