fix: rules audit items 1,3,6 (closes #1)

src/popup/views/helpers.js

@@ -82,7 +82,7 @@ function showFlash(msg, duration = 2000) {
 
 function balanceLine(symbol, amount, price, tokenId) {
     const qty = amount.toFixed(4);
-    const usd = price ? formatUsd(amount * price) : "";
+    const usd = price ? formatUsd(amount * price) || " " : " ";
     const tokenAttr = tokenId ? ` data-token="${tokenId}"` : "";
     const clickClass = tokenId
         ? " cursor-pointer hover:bg-hover balance-row"
@@ -219,6 +219,41 @@ function formatAddressHtml(address, ensName, maxLen, title) {
     return `<div class="flex items-center">${dot}<span class="break-all">${escapeHtml(displayAddr)}</span></div>`;
 }
 
+function isoDate(timestamp) {
+    const d = new Date(timestamp * 1000);
+    const pad = (n) => String(n).padStart(2, "0");
+    return (
+        d.getFullYear() +
+        "-" +
+        pad(d.getMonth() + 1) +
+        "-" +
+        pad(d.getDate()) +
+        " " +
+        pad(d.getHours()) +
+        ":" +
+        pad(d.getMinutes()) +
+        ":" +
+        pad(d.getSeconds())
+    );
+}
+
+function timeAgo(timestamp) {
+    const seconds = Math.floor(Date.now() / 1000 - timestamp);
+    if (seconds < 60) return seconds + " seconds ago";
+    const minutes = Math.floor(seconds / 60);
+    if (minutes < 60)
+        return minutes + " minute" + (minutes !== 1 ? "s" : "") + " ago";
+    const hours = Math.floor(minutes / 60);
+    if (hours < 24) return hours + " hour" + (hours !== 1 ? "s" : "") + " ago";
+    const days = Math.floor(hours / 24);
+    if (days < 30) return days + " day" + (days !== 1 ? "s" : "") + " ago";
+    const months = Math.floor(days / 30);
+    if (months < 12)
+        return months + " month" + (months !== 1 ? "s" : "") + " ago";
+    const years = Math.floor(days / 365);
+    return years + " year" + (years !== 1 ? "s" : "") + " ago";
+}
+
 module.exports = {
     $,
     showError,
@@ -233,4 +268,6 @@ module.exports = {
     addressTitle,
     formatAddressHtml,
     truncateMiddle,
+    isoDate,
+    timeAgo,
 };