implement aliases for getVars method

Author: nleush

lib/core.js

@@ -943,9 +943,20 @@
                             }
                         }
                     }
-                } else if (r.method.name === "getVars") {
-                    for(var key in r.data) {
-                        var v = r.data[key];
+                } else if (r.method.name === "getVars" || r.method.name in pluginUtils.GET_VARS_METHODS) {
+
+                    var result_data = r.data;
+
+                    // Set specific alias as key.
+                    if (r.method.name in pluginUtils.GET_VARS_METHODS) {
+                        var key = pluginUtils.GET_VARS_METHODS[r.method.name];
+                        result_data = {
+                            [key]: r.data
+                        };
+                    }
+
+                    for(var key in result_data) {
+                        var v = result_data[key];
 
                         // TODO: work with arrays?
                         if (v !== '' && v !== null && ((typeof v === 'string' && !/^\s+$/.test(v)) || typeof v === 'number' || typeof v === 'object')) {

lib/loader/utils.js

@@ -43,6 +43,24 @@
         "prepareLink"
     ];
 
+    const GET_VARS_ALIAS = [
+        'signals',
+        'policy',
+        'sources'
+    ];
+
+    export const GET_VARS_METHODS = {
+        // getSignals: signals
+    };
+
+    // Adds `GET_VARS_ALIAS` to `PLUGIN_METHODS` as `signals` => `getSignals`.
+    // Fills `GET_VARS_METHODS` with proper key values.
+    GET_VARS_ALIAS.forEach(alias => {
+        const methodName = `get${alias[0].toUpperCase()}${alias.substring(1)}`;
+        PLUGIN_METHODS.push(methodName);
+        GET_VARS_METHODS[methodName] = alias;
+    });
+
     export const PLUGIN_FIELDS = PLUGIN_METHODS.concat([
         "mixins"
     ]);