Using ChatGPT to Generate AI-Assisted Code in n8n

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Specifically, we’ll be using a tool called “ChatGPT” which is an AI-powered chatbot that can help you generate code based on your input prompts.

To set the stage: what exactly is ChatGPT? Well, it’s basically like having a super smart friend who knows everything about coding and programming languages. You just type in what you want to do (e.g., “Write me some JavaScript code that sorts an array of numbers”), and ChatGPT will generate the code for you based on its vast knowledge database.

Now, Let’s begin exploring with how we can use ChatGPT with n8n to write AI-assisted code. First, make sure you have the “Code” node installed in your workflow. Then, open up a new Code node and select the “Ask AI” tab. This is where you’ll enter your input prompt for ChatGPT to generate code based on.

For example, let’s say we want to write some JavaScript code that sorts an array of numbers in descending order. We would type this into our Code node:

// Declare a constant variable "arr" and assign it an array of numbers
const arr = [5, 2, 8, 1];

// Use the sort() method on the array and pass in a function as the sorting criteria
arr.sort(function (a, b) {
  // The function takes in two parameters, "a" and "b", representing two elements in the array
  // The function compares the two elements and returns a value based on their relationship
  // If the value returned is negative, "a" will be placed before "b" in the sorted array
  // If the value returned is positive, "b" will be placed before "a" in the sorted array
  // If the value returned is 0, the order of "a" and "b" will not be changed
  return b - a;
});

// Print the sorted array to the console
console.log(arr);

// The corrected script uses the correct syntax for the sort() method and adds inline annotations to explain the purpose and functionality of each code segment.

And then we would hit “Generate Code” and watch as ChatGPT generates the code for us! Pretty cool, right?

You can also use ChatGPT to generate code based on existing code snippets or even entire functions. For example, let’s say you have a function that calculates the area of a rectangle given its length and width:

// This script is used to calculate the area of a rectangle given its length and width.

// The function is declared with the name "calculateRectangleArea" and takes in two parameters, "length" and "width".
function calculateRectangleArea(length, width) {
  // The function returns the product of the two parameters, which is the area of the rectangle.
  return length * width;
}

// This function can be used to generate code based on existing code snippets or entire functions using ChatGPT.

Now, let’s say we want to modify this function so it also returns the perimeter (i.e., the total distance around the rectangle). We would type this into our Code node:

// This function calculates the area and perimeter of a rectangle and returns them in an array
function calculateRectangleArea(length, width) {
  const area = length * width; // Calculate the area by multiplying the length and width
  const perimeter = 2 * (length + width); // Calculate the perimeter by adding twice the sum of the length and width
  return [area, perimeter]; // Return an array containing both the area and perimeter
}

And then we would hit “Generate Code” and watch as ChatGPT generates the modified function for us! Pretty awesome, right?

It’s a powerful tool that can help you write code faster and more efficiently than ever before. Give it a try today and see how much time and effort it saves you!

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