TS7006

error TS7006: Parameter ‘person‘ implicitly has an ‘any‘ type.

Broken Code ❌

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function greeter(person) {
  return `Hello, ${person}`;
}

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{
  "compilerOptions": {
    "noImplicitAny": true
  }
}

Fixed Code ✔️

You have to define the type for the argument named person:

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function greeter(person: string) {
  return `Hello, ${person}`;
}

Alternative, but not recommend:

• Set “noImplicitAny” to false in your “tsconfig.json”