Users who don't follow back on Instagram (use exported data as JSON)

unfollow.js

const fs = require("fs");

// Function to read JSON files
function readJsonFile(filePath) {
  return new Promise((resolve, reject) => {
    fs.readFile(filePath, "utf8", (err, data) => {
      if (err) {
        reject(err);
      } else {
        resolve(JSON.parse(data));
      }
    });
  });
}

// Function to find the set difference
function findSetDifference(following, followers) {
  const followingSet = new Set(following);
  const followersSet = new Set(followers);
  return followingSet.difference(followersSet);
}

// Main function to read files and print the set difference
async function main() {
  try {
    const fileFollowing = (await readJsonFile("following.json")).relationships_following;
    const fileFollowers = await readJsonFile("followers_1.json");

    const following = fileFollowing.map((i) => i.title);
    const followers = fileFollowers.map((i) => i.string_list_data[0].value);

    const difference = findSetDifference(following, followers);

    const arr = Array.from(difference);

    const filtered = fileFollowing.filter((item) => arr.find((i) => item.title === i));

    filtered.sort((a, b) => b.string_list_data[0].timestamp - a.string_list_data[0].timestamp);

    console.log('People in "following" not in "followers":\n');
    filtered.forEach((item) => {
      const date = new Date(item.string_list_data[0].timestamp * 1000);
      const dateLocale = date.toLocaleDateString("pt-BR");
      const link = `https://www.instagram.com/${item.title}`;
      console.log(`${dateLocale} -> ${link}`);
    });
  } catch (error) {
    console.error("Error reading files:", error);
  }
}

main();