Migrate Search to class

lib/search.js

@@ -1,49 +1,61 @@
-var lunr = require('lunr')
+"use strict";
 
-function Search() {
-  var self = Object.create(Search.prototype)
-  self.index = lunr(function() {
-    this.field('name'        , { boost: 10 })
-    this.field('description' , { boost:  4 })
-    this.field('author'      , { boost:  6 })
-    this.field('readme')
-  })
-  return self
+const lunr = require('lunr')
+
+class Search {
+  constructor() {
+    this.index = lunr(function() {
+      this.field('name'        , { boost: 10 })
+      this.field('description' , { boost:  4 })
+      this.field('author'      , { boost:  6 })
+      this.field('readme')
+    })
+  }
+
+  query(q) {
+	  return q === '*'
+      ? this.storage.config.localList.get().map( function( pkg ) {
+        return { ref: pkg, score: 1 }; 
+      }) : this.index.search(q);
+  }
+
+  add(pkg) {
+    this.index.add({
+      id:           pkg.name,
+      name:         pkg.name,
+      description:  pkg.description,
+      author:       pkg._npmUser ? pkg._npmUser.name : '???',
+    })
+  }
+
+  add(pkg) {
+    this.index.add({
+      id:           pkg.name,
+      name:         pkg.name,
+      description:  pkg.description,
+      author:       pkg._npmUser ? pkg._npmUser.name : '???',
+    })
+  }
+
+  remove(name) {
+    this.index.remove({ id: name })
+  }
+
+  reindex() {
+    var self = this
+    this.storage.get_local(function(err, packages) {
+      if (err) throw err // that function shouldn't produce any
+      var i = packages.length
+      while (i--) {
+        self.add(packages[i])
+      }
+    })
+  }
+
+  configureStorage(storage) {
+    this.storage = storage
+    this.reindex()
+  }
 }
 
-Search.prototype.query = function(q) {
-	return q === '*'
-		? this.storage.config.localList.get().map( function( package ){ return { ref: package, score: 1 }; } )
-		: this.index.search(q);
-}
-
-Search.prototype.add = function(package) {
-  this.index.add({
-    id:           package.name,
-    name:         package.name,
-    description:  package.description,
-    author:       package._npmUser ? package._npmUser.name : '???',
-  })
-},
-
-Search.prototype.remove = function(name) {
-  this.index.remove({ id: name })
-}
-
-Search.prototype.reindex = function() {
-  var self = this
-  this.storage.get_local(function(err, packages) {
-    if (err) throw err // that function shouldn't produce any
-    var i = packages.length
-    while (i--) {
-      self.add(packages[i])
-    }
-  })
-}
-
-Search.prototype.configureStorage = function(storage) {
-  this.storage = storage
-  this.reindex()
-}
-
-module.exports = Search()
+module.exports = new Search();