downloadIt.jsx

  async function downloadIt(link) {
    const image = await fetch(link);
    console.log(link);

    try {
      const img = await image.arrayBuffer();
      const file = await fs.getFileForSaving("image.png");
      await file.write(img);
      const currentDocument = app.activeDocument;
      const newDocument = await app.open(file);
      if (currentDocument) {
        await newDocument.activeLayers[0].duplicate(currentDocument);
        await newDocument.close();
      }
    } catch (e) {
      console.log(e);
    }

    if (!file) {
      return;
    }
  }