accept single string for snippet blacklist

Author: shakyShane

lib/snippet.js

@@ -5,6 +5,7 @@ var config       = require("./config");
 
 var lrSnippet    = require("resp-modifier");
 var path         = require("path");
+var List         = require("immutable").List;
 var _            = require("lodash");
 var fs           = require("fs");
 
@@ -37,7 +38,7 @@ var utils = {
      * @returns {{match: RegExp, fn: Function}}
      */
     getRegex: function (snippet, options) {
-        
+
         var fn = options.getIn(["rule", "fn"]);
 
         return {
@@ -62,8 +63,8 @@ var utils = {
 
         return {
             rules: rules,
-            blacklist: options.get("blacklist").toJS(),
-            whitelist: options.get("whitelist").toJS()
+            blacklist: utils.arrify(options.get("blacklist")),
+            whitelist: utils.arrify(options.get("whitelist"))
         };
     },
     /**
@@ -98,6 +99,16 @@ var utils = {
      */
     getSocketScript: function () {
         return fs.readFileSync(path.join(__dirname, config.socketIoScript), "utf-8");
+    },
+    /**
+     * @param {Immutable.List|Array|String} incoming
+     * @returns {Array}
+     */
+    arrify: function (incoming) {
+        if (List.isList(incoming)) {
+            return incoming.toArray();
+        }
+        return [].concat(incoming).filter(Boolean);
     }
 };
 module.exports.utils = utils;