Move `convertText` to `typeConverter`

Create a new module `lib/type-converter.js`.

Move `routeHelper.convertText` to this new module.

lib/class-helper.js

@@ -4,7 +4,7 @@
  * Module dependencies.
  */
 var modelHelper = require('./model-helper');
-var routeHelper = require('./route-helper');
+var typeConverter = require('./type-converter');
 var urlJoin = require('./url-join');
 
 /**
@@ -47,7 +47,7 @@ var classHelper = module.exports = {
 
     return {
       path: aClass.http.path,
-      description: routeHelper.convertText(description)
+      description: typeConverter.convertText(description)
     };
   }
 };

lib/route-helper.js

@@ -8,6 +8,7 @@ var debug = require('debug')('loopback:explorer:routeHelpers');
 var _cloneDeep = require('lodash.clonedeep');
 var translateDataTypeKeys = require('./translate-data-type-keys');
 var modelHelper = require('./model-helper');
+var typeConverter = require('./type-converter');
 
 /**
  * Export the routeHelper singleton.
@@ -142,8 +143,8 @@ var routeHelper = module.exports = {
         parameters: accepts,
         // TODO(schoon) - We don't have descriptions for this yet.
         responseMessages: [], 
-        summary: routeHelper.convertText(route.description),
-        notes: routeHelper.convertText(route.notes),
+        summary: typeConverter.convertText(route.description),
+        notes: typeConverter.convertText(route.notes),
         deprecated: route.deprecated
       })]
     };
@@ -200,7 +201,7 @@ var routeHelper = module.exports = {
       var out = {
         paramType: paramType || type,
         name: name,
-        description: routeHelper.convertText(accepts.description),
+        description: typeConverter.convertText(accepts.description),
         type: accepts.type,
         required: !!accepts.required,
         defaultValue: accepts.defaultValue,
@@ -239,18 +240,6 @@ var routeHelper = module.exports = {
       obj[key] = typeDesc[key];
     });
     return obj;
-  },
-
-  /**
-   * Convert a text value that can be expressed either as a string or
-   * as an array of strings.
-   * @param {string|Array} value
-   * @returns {string}
-   */
-  convertText: function(value) {
-    if (Array.isArray(value))
-      return value.join('\n');
-    return value;
   }
 };
 

lib/type-converter.js

@@ -0,0 +1,14 @@
+var typeConverter = module.exports = {
+
+  /**
+   * Convert a text value that can be expressed either as a string or
+   * as an array of strings.
+   * @param {string|Array} value
+   * @returns {string}
+   */
+  convertText: function(value) {
+    if (Array.isArray(value))
+      return value.join('\n');
+    return value;
+  }
+};