Merge pull request #77 from redsquirrel/encapsulate-cache-file-prefix

Encapsulating 'Cache File Prefix'

src/app/editor.js

@@ -6,7 +6,7 @@ var ace = require('brace');
 require('../mode-solidity.js');
 
 function Editor (loadingFromGist) {
-  var SOL_CACHE_UNTITLED = utils.getCacheFilePrefix() + 'Untitled';
+  var SOL_CACHE_UNTITLED = utils.fileKey('Untitled');
   var SOL_CACHE_FILE = null;
 
   var editor = ace.edit('input');
@@ -70,7 +70,7 @@ function Editor (loadingFromGist) {
   function getFiles () {
     var files = [];
     for (var f in window.localStorage) {
-      if (f.indexOf(utils.getCacheFilePrefix(), 0) === 0) {
+      if (utils.isCachedFile(f)) {
         files.push(f);
         if (!sessions[f]) sessions[f] = newEditorSession(f);
       }

src/app/storage-handler.js

@@ -35,7 +35,7 @@ function StorageHandler (updateFiles) {
     for (var y in window.localStorage) {
       console.log('checking', y);
       obj[y] = window.localStorage.getItem(y);
-      if (y.indexOf(utils.getCacheFilePrefix()) !== 0) {
+      if (!utils.isCachedFile(y)) {
         continue;
       }
       count++;

src/app/utils.js

@@ -4,6 +4,10 @@ function getCacheFilePrefix () {
   return SOL_CACHE_FILE_PREFIX;
 }
 
+function isCachedFile (name) {
+  return name.indexOf(getCacheFilePrefix(), 0) === 0;
+}
+
 function fileKey (name) {
   return getCacheFilePrefix() + name;
 }
@@ -17,7 +21,7 @@ function errortype (message) {
 }
 
 module.exports = {
-  getCacheFilePrefix: getCacheFilePrefix,
+  isCachedFile: isCachedFile,
   fileKey: fileKey,
   fileNameFromKey: fileNameFromKey,
   errortype: errortype