Add option to show Octotree in non-code page

.gitignore

@@ -1,2 +1,3 @@
 node_modules
-tmp
+tmp
+.idea

README.md

@@ -51,6 +51,11 @@ By default, Octotree only works on `github.com`. To support GitHub Enterprise on
 
 ## Changelog
 
+### [v1.5](https://github.com/buunguyen/octotree/issues?q=milestone%3A1.5+is%3Aclosed)
+* Option to show in non-code pages
+* Option to configure tab size
+* Bug fixes
+
 ### [v1.4.1](https://github.com/buunguyen/octotree/issues?q=milestone%3A1.4.1+is%3Aclosed)
 * New header to match new GitHub design
 * Bug fixes

src/adapter.github.js

@@ -63,7 +63,7 @@ GitHub.prototype.updateLayout = function(sidebarVisible, sidebarWidth) {
 /**
  * Returns the repository information if user is at a repository URL. Returns `null` otherwise.
  */
-GitHub.prototype.getRepoFromPath = function() {
+GitHub.prototype.getRepoFromPath = function(showInNonCodePage, currentRepo) {
   // 404 page, skip
   if ($(GH_404_SEL).length) return false
 
@@ -75,12 +75,15 @@ GitHub.prototype.getRepoFromPath = function() {
   if (~GH_RESERVED_USER_NAMES.indexOf(match[1])) return false
   if (~GH_RESERVED_REPO_NAMES.indexOf(match[2])) return false
 
-  // not a code page, skip
-  if (match[3] && !~['tree', 'blob'].indexOf(match[3])) return false
+  // skip non-code page or not
+  if (!showInNonCodePage && match[3] && !~['tree', 'blob'].indexOf(match[3])) return false
+
+  // use selected branch, or previously selected branch, or master
+  var branch = $(GH_BRANCH_SEL).data('ref') ||
+    ((currentRepo.username === match[1] && currentRepo.reponame === match[2] && currentRepo.branch)
+      ? currentRepo.branch
+      : 'master')
 
-  // can actually check if *[data-master-branch] exists and remove all the checks above
-  // but the current approach is less fragile in case of GitHub DOM changes
-  var branch = $(GH_BRANCH_SEL).data('ref') || $(GH_BRANCH_BTN_SEL).text() || 'master'
   return {
     username : match[1],
     reponame : match[2],
@@ -190,7 +193,7 @@ GitHub.prototype.fetchData = function(opts, cb) {
     var token = opts.token
       , host  = (location.host === 'github.com' ? 'api.github.com' : (location.host + '/api/v3'))
       , base  = location.protocol + '//' + host + '/repos/' + repo.username + '/' + repo.reponame
-      , cfg   = { method: 'GET', url: base + path }
+      , cfg   = { method: 'GET', url: base + path, cache: false }
 
     if (token) cfg.headers = { Authorization: 'token ' + token }
     $.ajax(cfg)

src/constants.js

@@ -12,6 +12,7 @@ const
     WIDTH    : 'octotree.sidebar_width',
     POPUP    : 'octotree.popup_shown',
     SHOWN    : 'octotree.sidebar_shown',
+    NONCODE  : 'octotree.noncode_shown',
   }
 
   , DEFAULTS = {
@@ -30,6 +31,7 @@ const
     WIDTH    : 250,
     POPUP    : false,
     SHOWN    : false,
+    NONCODE    : false,
   }
 
   , EVENT = {

src/octotree.js

@@ -87,11 +87,12 @@ $(document).ready(function() {
     }
 
     function tryLoadRepo(reload) {
-      var repo = adapter.getRepoFromPath()
-        , remember = store.get(STORE.REMEMBER)
+      var remember = store.get(STORE.REMEMBER)
+        , showInNonCodePage = store.get(STORE.NONCODE)
         , shown = store.get(STORE.SHOWN)
         , lazyload = store.get(STORE.LAZYLOAD)
         , token = store.get(STORE.TOKEN)
+        , repo = adapter.getRepoFromPath(showInNonCodePage, currRepo)
 
       if (repo) {
         $toggler.show()

src/template.html

@@ -46,6 +46,9 @@
           <div>
             <label><input type="checkbox" data-store="REMEMBER"> Show sidebar if previously shown</label>
           </div>
+          <div>
+            <label><input type="checkbox" data-store="NONCODE"> Show in non-code pages</label>
+          </div>
           <div>
             <label><input type="checkbox" data-store="LAZYLOAD"> Only load tree when sidebar is open</label>
           </div>

src/view.help.js

@@ -5,7 +5,6 @@ function HelpPopup($dom, store) {
 
 HelpPopup.prototype.show = function() {
   var $view = this.$view
-    , $sidebar = this.$sidebar
     , store = this.store
     , popupShown = store.get(STORE.POPUP)