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  # @babel/helper-get-function-arity
  
  Function that returns the number of arguments that a function takes.
  * Examples of what is considered an argument can be found at [MDN Web Docs](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function/length)
  
  ## Usage
  
  ```javascript
  import getFunctionArity from "@babel/helper-get-function-arity";
  
  function wrap(state, method, id, scope) {
    // ...
    if (!t.isFunction(method)) {
      return false;
    }
  
    const argumentsLength = getFunctionArity(method);
  
    // ...
  }
  ```