Exclude JS source code from the output

_javascript/utils/timeago.js

@@ -0,0 +1,80 @@
+/*
+ * Calculate the Timeago
+ */
+
+$(function() {
+
+  const timeagoElem = $(".timeago");
+
+  let toRefresh = timeagoElem.length;
+
+  let intervalId = void 0;
+
+  function timeago(iso, preposition) {
+    let now = new Date();
+    let past = new Date(iso);
+    let prep = (typeof preposition !== "undefined" ? `${preposition} ` : "");
+
+    if (past.getFullYear() !== now.getFullYear()) {
+      toRefresh -= 1;
+      return prep + past.toLocaleString("en-US", {
+        year: "numeric",
+        month: "short",
+        day: "numeric"
+      });
+    }
+
+    if (past.getMonth() !== now.getMonth()) {
+      toRefresh -= 1;
+      return prep + past.toLocaleString("en-US", {
+        month: "short",
+        day: "numeric"
+      });
+    }
+
+    let seconds = Math.floor((now - past) / 1000);
+
+    let day = Math.floor(seconds / 86400);
+    if (day >= 1) {
+      toRefresh -= 1;
+      return day + " day" + (day > 1 ? "s" : "") + " ago";
+    }
+
+    let hour = Math.floor(seconds / 3600);
+    if (hour >= 1) {
+      return hour + " hour" + (hour > 1 ? "s" : "") + " ago";
+    }
+
+    let minute = Math.floor(seconds / 60);
+    if (minute >= 1) {
+      return minute + " minute" + (minute > 1 ? "s" : "") + " ago";
+    }
+
+    return "just now";
+  }
+
+  function updateTimeago() {
+    $(".timeago").each(function() {
+      if ($(this).children("i").length > 0) {
+        let node = $(this).children("i");
+        let date = node.text(); /* ISO Date: "YYYY-MM-DDTHH:MM:SSZ" */
+        $(this).text(timeago(date, $(this).attr("prep")));
+        $(this).append(node);
+      }
+    });
+
+    if (toRefresh === 0 && typeof intervalId !== "undefined") {
+      clearInterval(intervalId); /* stop interval */
+    }
+    return toRefresh;
+  }
+
+  if (toRefresh === 0) {
+    return;
+  }
+
+  if (updateTimeago() > 0) { /* run immediately */
+    intervalId = setInterval(updateTimeago, 60000); /* run every minute */
+  }
+
+});