LINE Sticon をダウンロードするやつ

line-sticon.js

javascript: (async function () {
  function validateSticonIdFormat(id) {
    return /^[a-f0-9]{8,}$/.test(id);
  }
  function buildSticonZipUri(id, animation = false, platform = "iphone") {
    const suffix = animation ? "_animation" : "";
    /* No content difference between iPhone and Android for now */
    return `https://stickershop.line-scdn.net/sticonshop/v1/${id}/sticon/${platform}/package${suffix}.zip`;
  }
  function downloadSticonZip(id, animation = false, blank = false) {
    const uri = buildSticonZipUri(id, animation);
    const link = document.createElement("a");
    link.href = uri;
    if (blank) {
      link.target = "_blank";
    }
    link.download = `Sticon-${id}.zip`;
    link.dispatchEvent(new MouseEvent("click"));
  }
  function getSticonIdFromUrl() {
    const url = window.location.href;
    const match = url.match(/\/emojishop\/product\/([a-f0-9]{8,})\//);
    return match ? match[1] : null;
  }
  const id = getSticonIdFromUrl();
  if (!id || !validateSticonIdFormat(id)) {
    alert("Invalid or missing package ID in URL");
    return;
  }
  downloadSticonZip(id, false);
  await new Promise((r) => setTimeout(r, 1000));
  /* Try animated version (fails if it's static only) */
  downloadSticonZip(id, true, true);
})();