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@babel/helper-get-function-arity

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@babel/helper-get-function-arity

Helper function to get function arity

  • 7.0.0-rc.3
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  • npm
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6.2M
increased by13.23%
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What is @babel/helper-get-function-arity?

The @babel/helper-get-function-arity package is a utility within the Babel compiler ecosystem. It is designed to help retrieve the arity (the number of arguments) of a function. This can be particularly useful when working with transformations and manipulations of JavaScript code, where understanding the function signature is necessary for generating or modifying code accurately.

What are @babel/helper-get-function-arity's main functionalities?

Get function arity

This feature allows developers to easily determine the number of parameters that a function expects. It is particularly useful in scenarios where code is being dynamically generated or modified, and the arity of functions needs to be preserved or analyzed.

const getFunctionArity = require('@babel/helper-get-function-arity');

function myFunction(a, b, c) {}

const arity = getFunctionArity(myFunction);
console.log(arity); // Outputs: 3

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Package last updated on 24 Aug 2018

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