Code-Editor/script.js at main · Yash-775/Code-Editor · GitHub

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document.addEventListener('DOMContentLoaded', () => {
    const bodyEl = document.body;
    const htmlCodeEl = document.getElementById('html-code');
    const cssCodeEl = document.getElementById('css-code');
    const jsCodeEl = document.getElementById('javascript-code');
    const outputEl = document.getElementById('output');
    const consoleEl = document.getElementById('console');
    const editorEl = document.getElementById('editor');
    const resizerEl = document.getElementById('resizer');
    const leftPaneEl = document.getElementById('left-pane');
    const rightPaneEl = document.getElementById('right-pane');
    const btnVertical = document.getElementById('btn-vertical');
    const btnHorizontal = document.getElementById('btn-horizontal');
    const themeToggleBtn = document.getElementById('theme-toggle');
    const tabBtns = document.querySelectorAll('.tab-btn');


    function debounce(func, delay) {
        let timeout;
        return function(...args) {
            clearTimeout(timeout);
            timeout = setTimeout(() => func.apply(this, args), delay);
        };
    }


    function run() {
        const htmlCode = htmlCodeEl.value;
        const cssCode = cssCodeEl.value;
        const jsCode = jsCodeEl.value;
        const fullHtml = `<!DOCTYPE html><html lang="en"><head><style>${cssCode}</style></head><body>${htmlCode}</body></html>`;
        outputEl.srcdoc = fullHtml;
        consoleEl.innerHTML = '';
        setTimeout(() => {
            const iframe = outputEl.contentWindow;
            iframe.console = {
                log: (...args) => {
                    const logOutput = args.map(arg => JSON.stringify(arg, null, 2)).join(' ');
                    const logEntry = document.createElement('div');
                    logEntry.textContent = logOutput;
                    consoleEl.appendChild(logEntry);
                    consoleEl.scrollTop = consoleEl.scrollHeight;
                },
                error: (...args) => {
                    const errorOutput = args.map(arg => String(arg)).join(' ');
                    const logEntry = document.createElement('div');
                    logEntry.style.color = 'red';
                    logEntry.textContent = `Error: ${errorOutput}`;
                    consoleEl.appendChild(logEntry);
                    consoleEl.scrollTop = consoleEl.scrollHeight;
                }
            };
            try { iframe.eval(jsCode); } catch (e) { iframe.console.error(e.message); }
        }, 50);
    }


    function setTheme(theme) {
        if (theme === 'light') {
            bodyEl.classList.add('light-mode');
            themeToggleBtn.innerHTML = "<i class='bx bxs-moon'></i>";
        } else {
            bodyEl.classList.remove('light-mode');
            themeToggleBtn.innerHTML = "<i class='bx bxs-sun'></i>";
        }
        localStorage.setItem('editor-theme', theme);
    }

    themeToggleBtn.addEventListener('click', () => {
        const currentTheme = bodyEl.classList.contains('light-mode') ? 'light' : 'dark';
        const newTheme = currentTheme === 'light' ? 'dark' : 'light';
        setTheme(newTheme);
    });


    function setLayout(layout) {
        editorEl.className = 'editor';
        editorEl.classList.add(`layout-${layout}`);
        btnVertical.classList.toggle('active-view', layout === 'vertical');
        btnHorizontal.classList.toggle('active-view', layout === 'horizontal');
        localStorage.setItem('editor-layout', layout);
    }
    btnVertical.addEventListener('click', () => setLayout('vertical'));
    btnHorizontal.addEventListener('click', () => setLayout('horizontal'));
    resizerEl.addEventListener('mousedown', (e) => {
        e.preventDefault();
        window.addEventListener('mousemove', handleMouseMove);
        window.addEventListener('mouseup', () => { window.removeEventListener('mousemove', handleMouseMove); });
    });
    function handleMouseMove(e) {
        const layout = localStorage.getItem('editor-layout') || 'vertical';
        if (layout === 'vertical') {
            let newLeftWidth = (e.clientX / editorEl.offsetWidth) * 100;
            if (newLeftWidth < 10) newLeftWidth = 10;
            if (newLeftWidth > 90) newLeftWidth = 90;
            leftPaneEl.style.flexBasis = `${newLeftWidth}%`;
            rightPaneEl.style.flexBasis = `${100 - newLeftWidth}%`;
        } else {
            let newTopHeight = ((e.clientY - editorEl.offsetTop) / editorEl.offsetHeight) * 100;
            if (newTopHeight < 10) newTopHeight = 10;
            if (newTopHeight > 90) newTopHeight = 90;
            leftPaneEl.style.flexBasis = `${newTopHeight}%`;
            rightPaneEl.style.flexBasis = `${100 - newTopHeight}%`;
        }
    }


    tabBtns.forEach(btn => {
        btn.addEventListener('click', () => {
            tabBtns.forEach(b => b.classList.remove('active'));
            btn.classList.add('active');
            const targetId = btn.dataset.tab;
            document.querySelectorAll('.output-pane').forEach(pane => {
                pane.classList.toggle('active', pane.id === targetId);
            });
        });
    });
    editorEl.addEventListener('click', (e) => {
        if (e.target.classList.contains('copy-btn')) {
            const targetId = e.target.dataset.target;
            const textElement = document.getElementById(targetId);
            textElement.select();
            navigator.clipboard.writeText(textElement.value)
                .then(() => console.log(`${targetId} copied.`))
                .catch(err => console.error('Copy failed', err));
        }
    });


    const debouncedRun = debounce(run, 300);
    htmlCodeEl.addEventListener('keyup', debouncedRun);
    cssCodeEl.addEventListener('keyup', debouncedRun);
    jsCodeEl.addEventListener('keyup', debouncedRun);

    const savedLayout = localStorage.getItem('editor-layout') || 'vertical';
    setLayout(savedLayout);


    const savedTheme = localStorage.getItem('editor-theme');
    const prefersLight = window.matchMedia && window.matchMedia('(prefers-color-scheme: light)').matches;
    if (savedTheme) {
        setTheme(savedTheme);
    } else if (prefersLight) {
        setTheme('light');
    } else {
        setTheme('dark');
    }

    run();
});