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JavaScript
at main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179function $(id) { return document.getElementById(id);}
const lineNumbers = $("line-numbers");const textarea = $("text");
function updateLineNumbers() { const count = Math.max(1, textarea.value.split("\n").length); let html = ""; for (let i = 1; i <= count; i++) { html += "<div>" + i + "</div>"; } lineNumbers.innerHTML = html;}
function syncScroll() { lineNumbers.scrollTop = textarea.scrollTop;}
textarea.addEventListener("input", updateLineNumbers);textarea.addEventListener("scroll", syncScroll);updateLineNumbers();
const stats = $("stats");const MAX_BYTES = parseInt(stats.dataset.maxBytes, 10) || 1024 * 1024;const UNIT_KB = stats.dataset.unitKb;const UNIT_MB = stats.dataset.unitMb;const LABEL_LIMIT = stats.dataset.labelLimit;
function formatSize(bytes) { if (bytes >= 1024 * 1024) return (bytes / (1024 * 1024)).toFixed(1) + " " + UNIT_MB; return (bytes / 1024).toFixed(0) + " " + UNIT_KB;}
$("progress-limit").textContent = LABEL_LIMIT + " " + formatSize(MAX_BYTES);
function updateStats() { const text = textarea.value; const lines = Math.max(1, text.split("\n").length); const chars = text.length; let bytes; try { bytes = new Blob([text]).size; } catch(e) { bytes = text.length; }
$("stat-lines").textContent = lines; $("stat-chars").textContent = chars; $("stat-bytes").textContent = bytes.toLocaleString();
const pct = Math.min(100, (bytes / MAX_BYTES) * 100); const fill = $("progress-fill"); fill.style.width = pct + "%"; if (pct > 85) { fill.classList.add("warn"); } else { fill.classList.remove("warn"); } $("progress-kb").textContent = (bytes / 1024).toFixed(1) + " " + UNIT_KB;}
textarea.addEventListener("input", updateStats);updateStats();
const langSelect = $("langs");const langFilter = $("filter");
langFilter.addEventListener("input", function() { const term = langFilter.value.toLowerCase(); for (const opt of langSelect.options) { const name = opt.text.toLowerCase(); const ext = opt.value.toLowerCase(); opt.hidden = !(name.includes(term) || ext.includes(term)); }});
const encryptToggle = $("encrypt-toggle");const passwordGroup = $("password-group");
if (encryptToggle && passwordGroup) { encryptToggle.addEventListener("change", function() { if (encryptToggle.checked) { passwordGroup.classList.add("shown"); $("password").focus(); } else { passwordGroup.classList.remove("shown"); $("password").value = ""; } });}
$("burn-after-reading").addEventListener("change", function() { const disabled = this.checked; const radios = document.querySelectorAll('#expiry-list input[type="radio"]'); for (const radio of radios) { radio.disabled = disabled; }});
const overlay = $("drop-overlay");let dragCounter = 0;
const editorWrap = $("editor-wrap");
editorWrap.addEventListener("dragenter", function(e) { e.preventDefault(); dragCounter++; overlay.classList.add("active");});
editorWrap.addEventListener("dragleave", function(e) { e.preventDefault(); dragCounter--; if (dragCounter <= 0) { dragCounter = 0; overlay.classList.remove("active"); }});
editorWrap.addEventListener("dragover", function(e) { e.preventDefault();});
editorWrap.addEventListener("drop", function(e) { e.preventDefault(); dragCounter = 0; overlay.classList.remove("active");
const files = e.dataTransfer && e.dataTransfer.files; if (files && files.length > 0) { loadFile(files[0]); }});
function loadFile(file) { file.text().then(function(value) { textarea.value = value.replace(/\n$/, ""); updateLineNumbers(); updateStats();
// Infer extension from filename const name = file.name || ""; const dot = name.lastIndexOf("."); if (dot > 0) { const ext = name.slice(dot + 1).toLowerCase(); for (let i = 0; i < langSelect.options.length; i++) { if (langSelect.options[i].value === ext) { langSelect.options[i].selected = true; break; } } langFilter.value = ""; langFilter.dispatchEvent(new Event("input")); }
// Set title to filename $("title").value = file.name; });}
$("open").addEventListener("click", function() { const input = document.createElement("input"); input.type = "file"; input.onchange = function(e) { const file = e.target.files[0]; if (file) loadFile(file); }; input.click();});
textarea.addEventListener("keydown", function(e) { if ((e.ctrlKey || e.metaKey) && e.key === "s") { e.preventDefault(); $("form").submit(); } if ((e.ctrlKey || e.metaKey) && e.key === "Enter") { e.preventDefault(); $("form").submit(); }});