feat(helper): titleCase

- simpler version of https://github.com/rvagg/titlecase
  * no exceptions

themes/chameleon/layout/_partial/head.ejs

@@ -4,7 +4,7 @@
   let title = page.title
 
   if (is_archive()) {
-    title = titlecase(config.archive_dir)
+    title = titleCase(config.archive_dir)
 
     if (is_month()) {
       title += ': ' + page.year + '/' + page.month

themes/chameleon/layout/_partial/post/tag.ejs

@@ -2,6 +2,6 @@
   <%- list_tags(post.tags, {
     show_count: false,
     class: 'article-tag',
-    transform: titlecase
+    transform: titleCase
   }) %>
 <% } %>

themes/chameleon/layout/index.ejs

@@ -10,6 +10,6 @@
   <%- list_tags({
     amount: 0,
     class: 'index',
-    transform: titlecase
+    transform: titleCase
   }) %>
 </div>

themes/chameleon/layout/tag-index.ejs

@@ -5,6 +5,6 @@
   <%- list_tags({
     amount: 0,
     class: 'index',
-    transform: titlecase
+    transform: titleCase
   }) %>
 </div>

themes/chameleon/scripts/titleCase.js

@@ -0,0 +1,13 @@
+'use strict'
+/* global hexo */
+
+/*
+* Simpler version of titlecase() https://github.com/rvagg/titlecase
+* Does not ignore words with a dot
+*/
+
+hexo.extend.helper.register('titleCase', (str) => {
+  return str.replace(/[\w]+[^\s-]*/g, (match) => {
+    return match.charAt(0).toUpperCase() + match.substr(1)
+  })
+})