create grunt helper file, reach couch_config from settings file for u…

…se default. COUCHDB-1707

src/fauxton/grunt.js

@@ -2,39 +2,34 @@
 // configuration file, which you can learn more about here:
 // https://github.com/cowboy/grunt/blob/master/docs/configuring.md
 
+
 module.exports = function(grunt) {
-  var path = require('path');
-  var couch_config = {
-    fauxton: {
-              db: 'http://localhost:5984/fauxton',
-              app: './couchapp.js',
-              options: {
-                okay_if_missing: true
-              }
-            }
-  };
-
-  function readSettingsFile () {
-    if (path.existsSync("settings.json")) {
-      return grunt.file.readJSON("settings.json")
-    } else if (path.existsSync("settings.json.default")) {
-      return grunt.file.readJSON("settings.json.default")
-    } else {
-      return {deps: []};
-    }
-  }
-
-  function processAddons(callback){
-    readSettingsFile().deps.forEach(callback);
-  }
+  var helper = require('./tasks/helper').init(grunt),
+  path = require('path');
+
+  var couch_config = function () {
+
+    var default_couch_config = {
+      fauxton: {
+        db: 'http://localhost:5984/fauxton',
+        app: './couchapp.js',
+        options: {
+          okay_if_missing: true
+        }
+      }
+    };
+
+    var settings_couch_config = helper.readSettingsFile().couch_config;
+    return settings_couch_config || default_couch_config
+  }();
 
   var cleanable = function(){
     // Whitelist files and directories to be cleaned
 
     // You'll always want to clean these two directories
     var theListToClean = ["dist/", "app/load_addons.js"];
     // Now find the external addons you have and add them for cleaning up
-    processAddons(function(addon){
+    helper.processAddons(function(addon){
       // Only clean addons that are included from a local dir
       if (addon.path){
         theListToClean.push("app/addons/" + addon.name);
@@ -54,15 +49,15 @@ module.exports = function(grunt) {
       },
       img: ["assets/img/**"]
     };
-    processAddons(function(addon){
+    helper.processAddons(function(addon){
       // Less files from addons
       var root = addon.path || "app/addons/" + addon.name;
       var lessPath = root + "/assets/less";
       if(path.existsSync(lessPath)){
         // .less files exist for this addon
         theAssets.less.paths.push(lessPath);
         theAssets.less.files["dist/debug/css/" + addon.name + ".css"] =
-            lessPath + "/" + addon.name + ".less";
+          lessPath + "/" + addon.name + ".less";
       }
       // Images
       var root = addon.path || "app/addons/" + addon.name;
@@ -85,7 +80,7 @@ module.exports = function(grunt) {
         "base": null
       }
     };
-    var settings = readSettingsFile();
+    var settings = helper.readSettingsFile();
     return {template: settings.template || defaultSettings};
   }();
 

src/fauxton/settings.json.default

@@ -1,17 +1,27 @@
 {
   "deps": [
-    { "name": "config" },
-    { "name": "logs" },
-    { "name": "stats" },
-    { "name": "contribute" }
+  { "name": "config" },
+  { "name": "logs" },
+  { "name": "stats" },
+  { "name": "contribute" }
   ],
-  "template": {
-    "src": "assets/index.underscore",
-    "dest": "dist/debug/index.html",
-    "variables": {
-      "assets_root": "./",
-      "requirejs": "require.js",
-      "base": null
+    "template": {
+      "src": "assets/index.underscore",
+      "dest": "dist/debug/index.html",
+      "variables": {
+        "assets_root": "./",
+        "requirejs": "require.js",
+        "base": null
+      }
+    },
+
+    "couch_config": {
+      "fauxton": {
+        "db": "http://localhost:5984/fauxton",
+        "app": "./couchapp.js",
+        "options": {
+          "okay_if_missing": true
+        }
+      }
     }
-  }
 }

src/fauxton/tasks/helper.js

@@ -0,0 +1,20 @@
+var fs = require('fs');
+
+exports.init = function(grunt) {
+
+  return { 
+    readSettingsFile: function () {
+      if (fs.existsSync("settings.json")) {
+        return grunt.file.readJSON("settings.json")
+      } else if (fs.existsSync("settings.json.default")) {
+        return grunt.file.readJSON("settings.json.default")
+      } else {
+        return {deps: []};
+      }
+    },
+
+    processAddons: function (callback) {
+      this.readSettingsFile().deps.forEach(callback);
+    },
+  };
+}