discord-banners-js/index.js

Allows you to get a user banner in discord

const { head } = require('axios');
const { Client } = require('discord.js');
const client = new Client({intents: 32767})


async function banner(user, token, { dynamicFormat = true, defaultFormat = "webp", size = 512, tkn = token } = {}) {

    client.login(tkn)

    if (![16, 32, 64, 128, 256, 512, 1024, 2048, 4096].includes(size)) {
           throw new Error(`The size '${size}' is not supported`);
       }
   
    
       if (!["webp", "png", "jpg", "jpeg"].includes(defaultFormat)) {
           throw new Error(`the format '${defaultFormat}' is not supported`);
       }
   
     
       const users = await client.api.users(user).get();
       if (!users.banner) return null;
   
       const query = `?size=${size}`;
       const baseUrl = `https://cdn.discordapp.com/banners/${user}/${users.banner}`;
   
   
       if (dynamicFormat) {
           const { headers } = await head(baseUrl);
           if (headers && headers.hasOwnProperty("content-type")) {
               return baseUrl + (headers["content-type"] == "image/gif" ? ".gif" : `.${defaultFormat}`) + query;
           }
       }
   
       return baseUrl + `.${defaultFormat}` + query;
   
   
       }

module.exports = banner;