Add tracks to Spotify playlist.js

const SEARCH_INPUT_SELECTOR = 'div[role="search"] input[role="searchbox"]';
const ADD_BUTTON_SELECTOR = 'div[role="presentation"] > div[role="row"] button[aria-label="Add to Playlist"]';

const input = document.querySelector(SEARCH_INPUT_SELECTOR);

const tracks = ['test'];

const wait = async (timeout) => new Promise((resolve) => setTimeout(resolve, timeout));

const findTracks = async (track) => {
  input.value = '';
  input.focus();
  document.execCommand('insertText', false, track);
  await wait(3000);
}

const addFirstFoundTrack = async () => {
  const button = document.querySelector(ADD_BUTTON_SELECTOR);

  if (button) {
    button.click();
    await wait(2000);
  } else {
    console.warn(`Track "${track}" not found`)
  }
};

const findAndAddTrack = async (track) => {
  await findTracks(track);
  await addFirstFoundTrack();
};

const findAndAddTracks = async (tracks) => {
  await tracks.reduce(
    async (previousPromise, track) => {
      await previousPromise;
      await findAndAddTrack(track);
    },
    Promise.resolve(null)
  );
};

findAndAddTracks(tracks);