Lint + Section Numebering

css/highlight-style.css

@@ -92,7 +92,7 @@ code.hl-highlighted .list.active {
 	font-size: 14px;
 }
 .toc li a {
-	text-decoration: none;
+    text-decoration: none;
 }
 .toc {
 	overflow-y: auto
@@ -102,7 +102,9 @@ code.hl-highlighted .list.active {
 	position: relative
 }
 .toc>.toc-list li {
-	list-style: none
+    list-style: none;
+    padding-left: 1em;
+    text-indent: -1em;
 }
 .toc-list {
 	margin: 0;
@@ -145,3 +147,11 @@ a.toc-link {
 		display: none;
 	}
 }
+
+body {
+    counter-reset: chapter;
+}
+h2::before {
+  counter-increment: chapter;                 /* Increment the value of section counter by 1 */
+  content: counters(chapter, '.') ' ';                  /* Display the value of section counter */
+}

js/.eslintrc

@@ -0,0 +1,9 @@
+{
+    "parserOptions": {
+        "ecmaVersion": 6,
+        "sourceType": "module",
+    },
+    "rules": {
+        "semi": 2
+    }
+}

js/main.js

@@ -37,18 +37,6 @@ function createTOC() {
     });
 }
 
-function wrapInner(parent, wrapper, attribute, attributevalue) {
-    if (typeof wrapper === "string") {
-        wrapper = document.createElement(wrapper);
-    }
-    var div = parent.appendChild(wrapper)
-              .setAttribute(attribute, attributevalue);
-
-    while (parent.firstChild !== wrapper) {
-           wrapper.appendChild(parent.firstChild);
-      }
-}
-
 function wrapInner(parent, wrapper, className) {
     if (typeof wrapper === "string")
         wrapper = document.createElement(wrapper);
@@ -113,14 +101,22 @@ function setUpNav() {
     });
 }
 
-
-loadChapters().then(newChapters => {
-    chapters = newChapters;
-});
+function setUpNumbering() {
+    let chapter = findCurrentChapter();
+    if (chapter >= 0) {
+	document.documentElement.style['counter-reset'] = 'chapter ' + (chapter + 1);
+    }
+};
 
 // Let's apply that stuff.
+loadChapters().then(newChapters => {
+    chapters = newChapters;
+    setUpNumbering();
+});
+
 wrapPre();
 HighlightLisp.highlight_auto();
 HighlightLisp.paren_match();
 createTOC();
 setUpNav();
+