Reuse fetched entries from template

package.json

@@ -1,6 +1,6 @@
 {
     "name": "tools",
-    "version": "1.1.3",
+    "version": "1.1.4",
     "description": "Main page for the /tools directory.",
     "author": "Felix W. Dekker",
     "browser": "dist/bundle.js",

src/main/js/main.js

@@ -2,7 +2,14 @@
 const {$, doAfterLoad, footer, header, nav, stringToHtml} = window.fwdekker;
 
 
-const unpackEntry = function (entry, depth = 0) {
+/**
+ * Transforms the given (nested) entry into a list item to be displayed in HTML.
+ *
+ * @param entry the entry to transform
+ * @param depth the current level of nesting
+ * @returns {string} the HTML form of the given entry
+ */
+const unpackEntry = (entry, depth = 0) => {
     const subEntries = entry.entries.length === 0
         ? ""
         : `<ul>` + entry.entries.map(it => unpackEntry(it, depth + 1)).join("") + `</ul>`;
@@ -14,19 +21,24 @@ const unpackEntry = function (entry, depth = 0) {
         `</h${depth + 4}>`;
 };
 
+/**
+ * Displays the given entries on the page.
+ *
+ * @param entries the entries to display
+ */
+const showEntries = entries => {
+    const toolEntries = entries.entries.find(it => it.name === "Tools").entries;
+    const entryHtml = stringToHtml(`<ul>${toolEntries.map(entry => unpackEntry(entry)).join("")}</ul>`, "ul");
+    $("#listing").append(entryHtml);
+};
+
 
 doAfterLoad(() => {
-    $("#nav").appendChild(nav("/Tools/"));
+    $("#nav").appendChild(nav("/Tools/", showEntries));
     $("#header").appendChild(header({title: "Tools", description: "An overview of tools I have created"}));
     $("#footer").appendChild(footer({
         vcsURL: "https://git.fwdekker.com/FWDekker/tools/",
         version: "v%%VERSION_NUMBER%%"
     }));
     $("main").classList.remove("hidden");
-
-    fetch("https://fwdekker.com/api/nav/")
-        .then(it => it.json())
-        .then(json => json.entries.find(it => it.name === "Tools"))
-        .then(json => stringToHtml(`<ul>${json.entries.map(entry => unpackEntry(entry)).join("")}</ul>`, "ul"))
-        .then(listing => $("#listing").append(listing));
 });