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How to use ChatGPT with vue.js?

Introduction

Vue.js is a popular JavaScript framework for building user interfaces, and OpenAI's ChatGPT is an advanced AI language model capable of generating human-like responses. Combining the two technologies allows developers to create interactive and dynamic chat applications that can converse with users in a natural language. In this article, we will guide you through the process of integrating ChatGPT into a Vue.js application to build your AI-powered chat interface.

Prerequisites

  1. Basic knowledge of Vue.js and JavaScript.
  2. Familiarity with API calls and asynchronous operations.
  3. OpenAI API access and a valid API key to use ChatGPT. (Sign up at https://beta.openai.com/ if you don't have one)

Step 1. Setting Up Vue.js Project

Assuming you have Node.js installed, let's start by creating a new Vue.js project using the Vue CLI:

vue create chatgpt-vue-app
cd chatgpt-vue-app

Step 2. Installing Required Dependencies

Next, install Axios, a popular HTTP client used to make API calls:

npm install axios --save

Step 3. Creating the Chat Interface Component

Inside the "src/components" folder, create a new component named "ChatInterface.vue":

<template>
  <div class="chat-interface">
    <!-- Your chat interface UI goes here -->
  </div>
</template>

<script>
export default {
  // Your component logic goes here
};
</script>

<style>
/* Your component styles go here */
</style>

Step 4. Fetching ChatGPT Responses

In the "ChatInterface.vue" component, we will add the logic to communicate with the ChatGPT API and handle user inputs:

<template>
  <div class="chat-interface">
    <!-- ... -->
    <div v-for="message in messages" :key="message.id">
      <p v-if="message.isAI">AI: {{ message.content }}</p>
      <p v-else>User: {{ message.content }}</p>
    </div>
    <!-- ... -->
  </div>
</template>

<script>
import axios from "axios";

export default {
  data() {
    return {
      messages: [],
      userMessage: "",
      apiKey: "YOUR_OPENAI_API_KEY",
      endpoint: "https://api.openai.com/v1/engines/davinci/completions",
    };
  },
  methods: {
    async sendMessage() {
      // Add user message to the chat
      this.messages.push({ id: Date.now(), content: this.userMessage, isAI: false });
      
      // Clear the input field
      this.userMessage = "";

      // Call the API to get AI response
      const response = await axios.post(this.endpoint, {
        prompt: this.userMessage,
        max_tokens: 150,
      }, {
        headers: {
          Authorization: `Bearer ${this.apiKey}`,
        },
      });

      // Add AI response to the chat
      this.messages.push({ id: Date.now(), content: response.data.choices[0].text.trim(), isAI: true });
    },
  },
};
</script>

Step 5. Using the Chat Interface Component

Now, import and use the "ChatInterface" component in your main Vue app component (e.g., "App.vue"):

<template>
  <div id="app">
    <h1>Chat with ChatGPT</h1>
    <ChatInterface />
  </div>
</template>

<script>
import ChatInterface from "./components/ChatInterface.vue";

export default {
  components: {
    ChatInterface,
  },
};
</script>

<style>
/* Add your custom styles here */
</style>

Summary

Congratulations! You have successfully integrated ChatGPT into a Vue.js application to build an interactive AI-powered chat interface. With this setup, users can now have natural language conversations with your AI model. Remember to handle API rate limits and errors gracefully to ensure a smooth user experience. Experiment with different configurations and explore more features of ChatGPT to enhance the capabilities of your chat application further. Happy coding!


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