Variant Export のソースコード

Variant Export

Export the content generated by the variant as an HTML file
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// ==UserScript==
// @name        Variant Export
// @description Export the content generated by the variant as an HTML file
// @namespace   Violentmonkey Scripts
// @match       https://variant.com/*
// @match       https://variant.ai/*
// @grant       none
// @version     1.0.1
// @author      skye-z
// @license     MIT
// @description 2026/3/31 17:14:19
// ==/UserScript==

(function() {
    'use strict';

    const buttonStyle = `
        position: absolute;
        bottom: 5px;
        left: 5px;
        z-index: 9999;
        padding: 4px 8px;
        background: #409eff;
        color: white;
        border: none;
        border-radius: 4px;
        cursor: pointer;
        font-size: 12px;
        opacity: 0.2;
        transition: opacity 0.2s;
    `;
    const hoverStyle = `
        opacity: 1;
        background: #337ecc;
    `;

    function createExportButton(iframe) {
        if (iframe.dataset.exportBtnAdded) return;

        if (window.getComputedStyle(iframe).position === 'static') {
            iframe.style.position = 'relative';
        }

        const exportBtn = document.createElement('button');
        exportBtn.innerText = 'Export';
        exportBtn.style.cssText = buttonStyle;
        exportBtn.dataset.iframeId = iframe.id || `iframe-${Date.now()}`;

        exportBtn.addEventListener('mouseover', () => {
            exportBtn.style.cssText = buttonStyle + hoverStyle;
        });
        exportBtn.addEventListener('mouseout', () => {
            exportBtn.style.cssText = buttonStyle;
        });

        exportBtn.addEventListener('click', () => {
            try {
                let iframeDoc;
                try {
                    iframeDoc = iframe.contentDocument || iframe.contentWindow.document;
                } catch (e) {
                    alert('Export error: CORS');
                    return;
                }

                const htmlContent = `<!DOCTYPE html>${iframeDoc.documentElement.outerHTML}`;
                const blob = new Blob([htmlContent], { type: 'text/html' });
                const downloadLink = document.createElement('a');
                downloadLink.href = URL.createObjectURL(blob);
                const fileName = `iframe-export-${new Date().getTime()}.html`;
                downloadLink.download = fileName;
                downloadLink.click();
                URL.revokeObjectURL(downloadLink.href);
            } catch (error) {
                alert(`Export error: ${error.message}`);
            }
        });

        iframe.parentNode.appendChild(exportBtn);
        iframe.dataset.exportBtnAdded = 'true';

        const observer = new MutationObserver(() => {
            if (!document.body.contains(iframe)) {
                exportBtn.remove();
                observer.disconnect();
            }
        });
        observer.observe(document.body, { childList: true, subtree: true });
    }

    function initExportButtons() {
        const iframes = document.querySelectorAll('iframe');
        iframes.forEach(iframe => {
            createExportButton(iframe);
        });
    }

    const iframeObserver = new MutationObserver((mutations) => {
        mutations.forEach(mutation => {
            mutation.addedNodes.forEach(node => {
                if (node.tagName === 'IFRAME') {
                    createExportButton(node);
                }
                if (node.querySelectorAll) {
                    const newIframes = node.querySelectorAll('iframe');
                    newIframes.forEach(iframe => {
                        createExportButton(iframe);
                    });
                }
            });
        });
    });

    iframeObserver.observe(document.body, {
        childList: true,
        subtree: true
    });

    if (document.readyState === 'loading') {
        document.addEventListener('DOMContentLoaded', initExportButtons);
    } else {
        initExportButtons();
    }
})();