make the problem list natural ordered

Author: AerysNan

lib/plugins/leetcode.js

@@ -3,6 +3,7 @@ var util = require('util');
 
 var _ = require('underscore');
 var request = require('request');
+var { orderBy } = require('natural-orderby');
 var prompt = require('prompt');
 
 var config = require('../config');
@@ -102,7 +103,7 @@ plugin.attachTags = function(problems, cb) {
   const q = new Queue(config.sys.tags, {}, getTag);
   q.run(null, function (e) {
     spin.stop();
-    problems = Array.from(problems.values());
+    problems = orderBy(Array.from(problems.values()), [p => p.fid], ['asc']);
     return cb(e, problems);
   });
 }

package-lock.json

@@ -54,6 +54,7 @@
     "he": "1.2.0",
     "mkdirp": "^1.0.4",
     "moment": "^2.20.1",
+    "natural-orderby": "^2.0.3",
     "nconf": "0.10.0",
     "ora": "3.0.0",
     "prompt": "1.0.0",