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Lodash _.functions

Overview

The lodash _.functions method is a built-in utility function designed to extract all function names from an object in an array form. It takes one argument, which is the object to extract the function names from, and returns an array of strings containing the function names.

This method is useful when you need to work with an object’s methods dynamically. It allows you to retrieve the names of all functions that exist within the object without having to hardcode their names directly into your code.

Here's an example of how to use _.functions:

const _ = require('lodash');

const myObject = {
  myMethod1: function() {
    // some code here
  },
  myMethod2: function() {
    // some code here
  },
  myVar: "some value"
};

const functionsArray = _.functions(myObject);

console.log(functionsArray);
// -> ['myMethod1', 'myMethod2']

In this example, functionsArray would contain an array of two strings, "myMethod1" and "myMethod2", because they are the only methods within the myObject object.

_.functions is part of the larger lodash library, which is a utility library for simplifying common Javascript tasks. If you're using lodash in your project, this method can be handy for working with objects that contain multiple methods, as it allows you to more easily retrieve the function names dynamically.

In conclusion, _.functions is a simple utility method that can make your Javascript code more dynamic since it allows you to extract function names from objects automatically.