SoundCloud useful buttons

inject-script.js

function docReady(fn) {
  if (
    document.readyState === "complete" ||
    document.readyState === "interactive"
  ) {
    setTimeout(fn, 1);
  } else {
    document.addEventListener("DOMContentLoaded", fn);
  }
}

var funcs = [addShuffleLikesBtn, addClearLongTracksBtn];

var onDocReady = () => {
  funcs.forEach((f) => {
    let success = f();

    if (success) return;

    setTimeout(f, 2000);
  });
};

try {
  setTimeout(function () {
    docReady(onDocReady);
  }, 3000);
} catch (e) {
  console.error(e);
}

function addBtn(btnText, func) {
  var filterSearch = document.querySelector(".header__right");
  if (!filterSearch) return false;

  var btn = document.createElement("button");
  btn.id = "custom shuffle like";
  btn.classList.add("sc-button", "sc-button-cta");
  btn.style = "margin: 10px 2px; float: left;";
  btn.innerText = btnText;

  filterSearch.insertAdjacentElement("afterbegin", btn);

  btn.addEventListener("click", func);

  return true;
}

function addShuffleLikesBtn() {
  return addBtn("shuffle", function () {
    var playlist = document.querySelector(".queue__scrollableInner");
    var shuffleButton = document.querySelector(".shuffleControl");

    let int = setInterval(() => {
      playlist.scrollTop = playlist.scrollHeight;
    }, 700);
    setTimeout(() => {
      clearInterval(int);

      if (shuffleButton.classList.contains("m-shuffling")) {
        shuffleButton.click();
        setTimeout(function () {
          shuffleButton.click();
        });
      } else {
        shuffleButton.click();
      }
    }, 65000);
  });
}

function addClearLongTracksBtn() {
  return addBtn("clearlong", function clearLongTracks() {
   [...document.querySelectorAll(".queue__itemWrapper")]
      .filter((item) => {
        const time = item.querySelector(`.queueItemView__duration`).innerText;
        const t = time.split(":");
        return t.length > 2 || parseInt(t[0], 10) > 10;
      })
      .forEach((item) => {
        const removeBtn = item.querySelector(".queueItemView__remove");
        if (removeBtn) removeBtn.click();
      });
  });
}

The shuffle button is a better shuffle button the built-in one. It'll shuffle all lazy loaded songs in the tracklist.

The clearlong button is useful when you want to remove long dj mix tracks.