[Style] permits oneline function.

Signed-off-by: Eric Wang <skygragon@gmail.com>

Author: skygragon

.eslintrc.js

@@ -7,6 +7,8 @@ module.exports = {
     },
     "extends": "google",
     "rules": {
+      "block-spacing": [2, "always"],
+      "brace-style": [2, "1tbs", { "allowSingleLine": true }],
       "camelcase": [2, {properties: "never"}],
       "comma-dangle": 0,
       "curly": 0,

lib/commands/list.js

@@ -73,9 +73,8 @@ var QUERY_HANDLERS = {
 };
 
 function hasTag(o, tag) {
-  return _.isArray(o) && _.some(o, function(x) {
-    return x.indexOf(tag.toLowerCase()) !== -1;
-  });
+  return _.isArray(o) &&
+    _.some(o, function(x) { return x.indexOf(tag.toLowerCase()) >= 0; });
 }
 
 cmd.handler = function(argv) {
@@ -109,19 +108,15 @@ cmd.handler = function(argv) {
         log.warn('Hmmm...you might need a new keyboard?');
       }
       problems = _.filter(problems, function(x) {
-        return x.name.toLowerCase().indexOf(word) !== -1;
+        return x.name.toLowerCase().indexOf(word) >= 0;
       });
     }
 
     var stat = {};
-    ['locked', 'starred', 'ac', 'notac', 'None', 'Easy', 'Medium', 'Hard'].forEach(function(x) {
-      stat[x] = 0;
-    });
-
-    problems = _.sortBy(problems, function(x) {
-      return -x.id;
-    });
+    var KEYS = ['locked', 'starred', 'ac', 'notac', 'None', 'Easy', 'Medium', 'Hard'];
+    KEYS.forEach(function(x) { stat[x] = 0; });
 
+    problems = _.sortBy(problems, function(x) { return -x.id; });
     problems.forEach(function(problem) {
       stat[problem.level] = (stat[problem.level] || 0) + 1;
       stat[problem.state] = (stat[problem.state] || 0) + 1;

lib/commands/show.js

@@ -65,9 +65,7 @@ cmd.handler = function(argv) {
     if (e) return log.fail(e);
 
     var langlist = problem.templates
-      .map(function(x) {
-        return x.value;
-      })
+      .map(function(x) { return x.value; })
       .sort()
       .join(', ');
 

lib/commands/stat.js

@@ -125,9 +125,7 @@ cmd.handler = function(argv) {
     if (e) return log.fail(e);
 
     if (argv.tag !== 'all') {
-      problems = _.filter(problems, function(x) {
-        return x.category === argv.tag;
-      });
+      problems = _.filter(problems, function(x) { return x.category === argv.tag; });
     }
 
     if (argv.graph) {

lib/helper.js

@@ -51,9 +51,7 @@ var h = {};
 h.KEYS = {
   user:     '.user',
   problems: 'problems',
-  problem:  function(p) {
-    return p.id + '.' + p.slug + '.' + p.category;
-  }
+  problem:  function(p) { return p.id + '.' + p.slug + '.' + p.category; }
 };
 
 h.isWindows = function() {
@@ -123,9 +121,7 @@ h.statusToName = function(sc) {
 };
 
 h.langToExt = function(lang) {
-  var res = _.find(LANGS, function(x) {
-    return x.lang === lang;
-  });
+  var res = _.find(LANGS, function(x) { return x.lang === lang; });
   return res ? res.ext : '.raw';
 };
 
@@ -134,20 +130,14 @@ h.extToLang = function(fullpath) {
   if (fullpath.endsWith('.py3')) return 'python3';
 
   var res = _.chain(LANGS)
-    .filter(function(x) {
-      return fullpath.endsWith(x.ext);
-    })
-    .sortBy(function(x) {
-      return -x.ext.length;
-    })
+    .filter(function(x) { return fullpath.endsWith(x.ext); })
+    .sortBy(function(x) { return -x.ext.length; })
     .value();
   return res.length ? res[0].lang : 'unknown';
 };
 
 h.langToCommentStyle = function(lang) {
-  var res = _.find(LANGS, function(x) {
-    return x.lang === lang;
-  });
+  var res = _.find(LANGS, function(x) { return x.lang === lang; });
 
   return (res && res.style === '#') ?
   {start: '#',  line: '#',  end: '#'} :

lib/plugins/cache.js

@@ -57,9 +57,7 @@ plugin.updateProblem = function(problem, kv) {
   var problems = cache.get(h.KEYS.problems);
   if (!problems) return false;
 
-  var _problem = _.find(problems, function(x) {
-    return x.id === problem.id;
-  });
+  var _problem = _.find(problems, function(x) { return x.id === problem.id; });
   if (!_problem) return false;
 
   _.extend(_problem, kv);