Line Sticker Downloader

Download stickers from LINE store pages using GM_download
Wrap lines
// ==UserScript==
// @name         Line Sticker Downloader
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  Download stickers from LINE store pages using GM_download
// @author       cheerchen
// @match        https://store.line.me/stickershop/product/*
// @grant        GM_download
// @license MIT
// ==/UserScript==
 
(function() {
    'use strict';
 
    function extractAndDownload() {
        const stickerList = document.querySelectorAll('.FnStickerList li');
        stickerList.forEach((li) => {
            const dataPreview = li.getAttribute('data-preview');
            if (dataPreview) {
                const preview = JSON.parse(dataPreview);
                const url = preview.animationUrl ? preview.animationUrl : preview.staticUrl;
                const filename = preview.id + (preview.animationUrl ? '.png' : '.png');
 
                // Using GM_download to initiate the download
                GM_download({
                    url: url,
                    name: filename,
                    saveAs: false, // Change to true if you want to prompt for save location
                    onerror: function(error) {
                        console.error('Download failed:', error);
                    },
                    onload: function() {
                        console.log('Download completed:', filename);
                    }
                });
            }
        });
    }
 
    // Add a button to trigger download
    const downloadBtn = document.createElement('button');
    downloadBtn.textContent = 'Download Stickers';
    downloadBtn.style.position = 'fixed';
    downloadBtn.style.top = '10px';
    downloadBtn.style.right = '10px';
    downloadBtn.style.zIndex = '1000';
    downloadBtn.style.padding = '10px 20px';
    downloadBtn.style.background = '#4CAF50';
    downloadBtn.style.color = 'white';
    downloadBtn.style.border = 'none';
    downloadBtn.style.borderRadius = '5px';
    downloadBtn.style.cursor = 'pointer';
    downloadBtn.addEventListener('click', extractAndDownload);
 
    document.body.appendChild(downloadBtn);
})();
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