useful script for getting all of the songs in a spotify playlist that were released in 2022 and 2023

get-2023-songs.ts

/*
 * This script can be executed via bun.sh: https://bun.sh/
 * 
 *     bun get-2023-songs.ts
 */

import fs from "fs";
import axios from "axios";

// auth token can be retrieved by visiting the spotify API docs (linked below)
const AUTH_TOKEN = "xxxx";

// can be retrieved from the share link URL of a playlist
const PLAYLIST_ID = "69TYgvNeCR797uHYe0xzDG"

interface Track {
  name: string;
  album: { release_date: string };
}

const tracks: Track[] = [];

// https://developer.spotify.com/documentation/web-api/reference/get-playlists-tracks
let apiUrl: string | undefined =
  `https://api.spotify.com/v1/playlists/${PLAYLIST_ID}/tracks?limit=50&offset=0&fields=(next,items.track(name,album(release_date),artists(name)))`;

while (apiUrl) {
  const res = await axios.get<{
    items: { track: Track }[];
    next?: string;
  }>(apiUrl, {
    headers: {
      Authorization: AUTH_TOKEN,
    },
  });

  const { items, next } = res.data;

  if (items.length > 0) {
    tracks.push(...items.map(({ track }) => track));
  }

  apiUrl = next;
}

fs.writeFileSync("./tracks.json", JSON.stringify(tracks, null, 2));

fs.writeFileSync(
  "./tracks-2023.json",
  JSON.stringify(
    tracks.filter(({ album: { release_date } }) =>
      release_date.startsWith("2023")
    ),
    null,
    2
  )
);

fs.writeFileSync(
  "./tracks-2022.json",
  JSON.stringify(
    tracks.filter(({ album: { release_date } }) =>
      release_date.startsWith("2022")
    ),
    null,
    2
  )
);