Add unit tests.

.eslintignore

@@ -0,0 +1,3 @@
+coverage/*
+dist/*
+node_modules/*

.eslintrc

@@ -0,0 +1,118 @@
+env:
+  node:     true
+  browser:  false
+
+plugins:
+  - nodeca
+
+rules:
+  block-scoped-var:     2
+  brace-style:          [ 2, '1tbs', { allowSingleLine: true } ]
+  comma-spacing:        2
+  comma-style:          2
+  consistent-this:      [ 2, self ]
+  consistent-return:    2
+  curly:                2
+  # default-case:         2
+  dot-notation:         2
+  eol-last:             2
+  eqeqeq:               2
+  guard-for-in:         2
+  handle-callback-err:  2
+  max-depth:            [ 1, 6 ]
+  max-nested-callbacks: [ 1, 4 ]
+  # string can exceed 80 chars, but should not overflow github website :)
+  max-len:              [ 2, 120, 1000 ]
+  new-cap:              2
+  new-parens:           2
+  no-alert:             2
+  no-array-constructor: 2
+  no-bitwise:           2
+  no-caller:            2
+  no-catch-shadow:      2
+  no-comma-dangle:      2
+  no-cond-assign:       2
+  no-console:           1
+  no-constant-condition: 2
+  no-control-regex:     2
+  no-debugger:          2
+  no-delete-var:        2
+  no-dupe-keys:         2
+  no-div-regex:         2
+  no-empty:             2
+  no-empty-class:       2
+  no-empty-label:       2
+  no-else-return:       2
+  no-eq-null:           2
+  no-ex-assign:         2
+  no-extend-native:     2
+  no-extra-bind:        2
+  no-extra-boolean-cast: 2
+  no-extra-semi:        2
+  no-extra-strict:      2
+  no-eval:              2
+  no-floating-decimal:  2
+  no-func-assign:       2
+  no-implied-eval:      2
+  no-inner-declarations: 2
+  no-invalid-regexp:    2
+  no-irregular-whitespace: 2
+  no-label-var:         2
+  no-labels:            2
+  no-lone-blocks:       2
+  no-lonely-if:         2
+  no-loop-func:         2
+  no-mixed-requires:    2
+  no-mixed-spaces-and-tabs: 2
+  no-multi-str:         2
+  no-native-reassign:   2
+  no-negated-in-lhs:    2
+  no-new:               2
+  no-new-func:          2
+  no-new-object:        2
+  no-new-require:       2
+  no-new-wrappers:      2
+  no-obj-calls:         2
+  no-octal:             2
+  no-octal-escape:      2
+  no-path-concat:       2
+  no-redeclare:         2
+  no-regex-spaces:      2
+  no-reserved-keys:     2
+  no-return-assign:     2
+  no-script-url:        2
+  no-sequences:         2
+  no-shadow:            2
+  no-shadow-restricted-names: 2
+  no-space-before-semi: 2
+  no-sparse-arrays:     2
+  no-trailing-spaces:   2
+  no-undef:             2
+  no-undef-init:        2
+  no-undefined:         2
+  no-unreachable:       2
+  no-unused-expressions: 2
+  no-unused-vars:       2
+  no-use-before-define: 2
+  no-with:              2
+  no-wrap-func:         2
+  quotes:               [ 2, single, avoid-escape ]
+  radix:                2
+  semi:                 2
+  space-after-keywords: [ 2, always, , { "checkFunctionKeyword": true } ]
+  space-before-blocks:  2
+  space-in-brackets:    [ 2, always, { propertyName: false } ]
+  space-in-parens:      [ 2, never ]
+  space-infix-ops:      2
+  space-return-throw-case: 2
+  space-unary-ops:      2
+  spaced-line-comment:  [ 2, always, { exceptions: [ '/' ] } ]
+  strict:               2
+  use-isnan:            2
+  yoda:                 2
+  valid-typeof:         2
+
+  #
+  # Our custom rules
+  #
+  nodeca/indent:                [ 2, spaces, 2 ]

.gitignore

@@ -1,5 +1,7 @@
 node_modules/*
 
+npm-debug.log
+
 public/articles/*
 !public/articles/article_example
 

lib/article-manager.js

@@ -1,3 +1,5 @@
+'use strict';
+
 var fs = require('fs');
 
 var articleDir = './public/articles/';
@@ -8,48 +10,49 @@ exports.dir = articleDir;
  * get information text from ARTICLE_DIR/info.txt
  */
 exports.getInfo = function(id) {
-    return JSON.parse(fs.readFileSync(articleDir + id + '/info.txt'));
-}
+  return JSON.parse(fs.readFileSync(articleDir + id + '/info.txt'));
+};
 
 /*
  * get article list categorized its post month and day
  */
 exports.getList = function(callback) {
-    if(!fs.existsSync(articleDir)) {
-        fs.mkdirSync(articleDir);
+  var i;
+
+  if (!fs.existsSync(articleDir)) {
+    fs.mkdirSync(articleDir);
+  }
+
+  fs.readdir(articleDir, function(err, dirs) {
+    if (err) {
+      throw err;
     }
 
-    fs.readdir(articleDir, function(err, dirs) {
-        if(err) {
-            console.log(err);
-            throw err;
-        }
-
-        var articleList = [];
-        for(var i=0; i<dirs.length; i++) {
-            var info = exports.getInfo(dirs[i]);
-            articleList.push({
-                 title: info.title,
-                 datetime: info.datetime,
-                 id: dirs[i],
-                 link: './articles/' + dirs[i]
-            });
-        }
-
-        // sort with created date
-        var hash = {};
-        for(var i=0; i<articleList.length; i++) {
-            var date  = new Date(articleList[i].datetime);
-            var year  = 1900 + date.getYear();
-            var month = 1 + date.getMonth();
-            if(hash[year] === undefined) {
-                hash[year] = {};
-            }
-            if(hash[year][month] === undefined) {
-                hash[year][month] = [];
-            }
-            hash[year][month].push(articleList[i]);
-        }
-        callback(err, hash);
-    });
-}
+    var articleList = [];
+    for (i = 0; i < dirs.length; i++) {
+      var info = exports.getInfo(dirs[i]);
+      articleList.push({
+        title: info.title,
+        datetime: info.datetime,
+        id: dirs[i],
+        link: './articles/' + dirs[i]
+      });
+    }
+
+    // sort with created date
+    var hash = {};
+    for (i = 0; i < articleList.length; i++) {
+      var date  = new Date(articleList[i].datetime);
+      var year  = 1900 + date.getYear();
+      var month = 1 + date.getMonth();
+      if (!hash[year]) {
+        hash[year] = {};
+      }
+      if (!hash[year][month]) {
+        hash[year][month] = [];
+      }
+      hash[year][month].push(articleList[i]);
+    }
+    callback(err, hash);
+  });
+};