Update JS syntax

index.js

@@ -1,5 +1,18 @@
- var ChatMessages = function (privateClient, publicClient) {
+function pad (num) {
+  num = String(num);
+  if (num.length === 1) { num = "0" + num; }
+  return num;
+};
 
+function parseDate (date) {
+  return {
+    year:  date.getUTCFullYear(),
+    month: pad( date.getUTCMonth() + 1 ),
+    day:   pad( date.getUTCDate() )
+  };
+};
+
+const ChatMessages = function (privateClient, publicClient) {
   /**
    * Schema: chat-messages/daily
    *
@@ -139,7 +152,7 @@
    * Example for IRC:
    *
    * (start code)
-   * var archive = new chatMessages.DailyArchive({
+   * const archive = new chatMessages.DailyArchive({
    *   server: {
    *     type: 'irc',
    *     name: 'freenode',
@@ -154,7 +167,7 @@
    * Example for XMPP:
    *
    * (start code)
-   * var archive = new chatMessages.DailyArchive({
+   * const archive = new chatMessages.DailyArchive({
    *   server: {
    *     type: 'xmpp',
    *     name: '5apps',
@@ -166,125 +179,125 @@
    * });
    * (end code)
    */
-  var DailyArchive = function DailyArchive(options) {
+  class DailyArchive {
-    //
+    constructor (options) {
-    // Defaults
+      //
-    //
+      // Defaults
-    options.isPublic = options.isPublic || false;
+      //
+      options.isPublic = options.isPublic || false;
 
-    //
+      //
-    // Validate options
+      // Validate options
-    //
+      //
-    if (typeof options !== "object") {
+      if (typeof options !== "object") {
-      throw "options must be an object";
+        throw "options must be an object";
-    }
+      }
-    if (typeof options.server !== "object" ||
+      if (typeof options.server !== "object" ||
-        typeof options.server.type !== "string" ||
+          typeof options.server.type !== "string" ||
-        typeof options.server.name !== "string") {
+          typeof options.server.name !== "string") {
-      throw "server must be an object containing at least server \"type\" and \"name\"";
+        throw "server must be an object containing at least server \"type\" and \"name\"";
-    }
+      }
-    if (typeof options.channelName !== "string") {
+      if (typeof options.channelName !== "string") {
-      throw "channelName must be a string";
+        throw "channelName must be a string";
-    }
+      }
-    if (!(options.date instanceof Date)) {
+      if (!(options.date instanceof Date)) {
-      throw "date must be a date object";
+        throw "date must be a date object";
-    }
+      }
-    if (typeof options.isPublic !== "boolean") {
+      if (typeof options.isPublic !== "boolean") {
-      throw "isPublic must be a boolean value";
+        throw "isPublic must be a boolean value";
+      }
+
+      /**
+       * Property: server
+       *
+       * Contains information about the chat server/network
+       *
+       * Properties:
+       *   type - Type of server/protocol (e.g. "irc", "xmpp", "campfire", "slack")
+       *   name - Shortname/id/alias of network/server (e.g. "freenode", "mycompanyname")
+       *   ircURI - (optional) IRC URI of network (e.g. "irc://irc.freenode.net/")
+       *   xmppMUC - (optional) XMPP MUC service host (e.g. "conference.jabber.org")
+       */
+      this.server = options.server;
+
+      /**
+       * Property: channelName
+       *
+       * Name of the IRC channel (e.g. "#kosmos")
+       */
+      this.channelName = options.channelName;
+
+      /**
+       * Property: date
+       *
+       * Date of the archive's content
+       */
+      this.date = options.date;
+
+      /**
+       * Property: isPublic
+       *
+       * `true` for public archives, `false` for private ones
+       */
+      this.isPublic = options.isPublic;
+
+      /**
+       * Property: parsedDate
+       *
+       * Object containing padded year, month and day of date
+       */
+      this.parsedDate = parseDate(this.date);
+
+      /**
+       * Property: dateId
+       *
+       * Date string in the form of YYYY/MM/DD
+       */
+      this.dateId = this.parsedDate.year+'/'+this.parsedDate.month+'/'+this.parsedDate.day;
+
+      /**
+       * Property: path
+       *
+       * Document path of the archive file
+       */
+      switch (this.server.type) {
+        case 'irc':
+          if (this.channelName.match(/^#/)) {
+            // normal chatroom
+            const channelName = this.channelName.replace(/^#/,'');
+            this.path = `${this.server.name}/channels/${channelName}/${this.dateId}`;
+          } else {
+            // user direct message
+            this.path = `${this.server.name}/users/${this.channelName}/${this.dateId}`;
+          }
+          break;
+        default:
+          this.path = `${this.server.name}/${this.channelName}/${this.dateId}`;
+          break;
+      }
+
+      /**
+       * Property: client
+       *
+       * Public or private BaseClient, depending on isPublic
+       */
+      this.client = this.isPublic ? publicClient : privateClient;
+
+      /**
+       * Property: previous
+       *
+       * Date of previous log file as YYYY/MM/DD
+       */
+      this.previous = options.previous;
+
+      /**
+       * Property: next
+       *
+       * Date of next log file as YYYY/MM/DD
+       */
+      this.next = options.next;
     }
 
-    /**
-     * Property: server
-     *
-     * Contains information about the chat server/network
-     *
-     * Properties:
-     *   type - Type of server/protocol (e.g. "irc", "xmpp", "campfire", "slack")
-     *   name - Shortname/id/alias of network/server (e.g. "freenode", "mycompanyname")
-     *   ircURI - (optional) IRC URI of network (e.g. "irc://irc.freenode.net/")
-     *   xmppMUC - (optional) XMPP MUC service host (e.g. "conference.jabber.org")
-     */
-    this.server = options.server;
-
-    /**
-     * Property: channelName
-     *
-     * Name of the IRC channel (e.g. "#kosmos")
-     */
-    this.channelName = options.channelName;
-
-    /**
-     * Property: date
-     *
-     * Date of the archive's content
-     */
-    this.date = options.date;
-
-    /**
-     * Property: isPublic
-     *
-     * `true` for public archives, `false` for private ones
-     */
-    this.isPublic = options.isPublic;
-
-    /**
-     * Property: parsedDate
-     *
-     * Object containing padded year, month and day of date
-     */
-    this.parsedDate = parseDate(this.date);
-
-    /**
-     * Property: dateId
-     *
-     * Date string in the form of YYYY/MM/DD
-     */
-    this.dateId = this.parsedDate.year+'/'+this.parsedDate.month+'/'+this.parsedDate.day;
-
-    /**
-     * Property: path
-     *
-     * Document path of the archive file
-     */
-    switch (this.server.type) {
-      case 'irc':
-        if (this.channelName.match(/^#/)) {
-          // normal chatroom
-          var channelName = this.channelName.replace(/^#/,'');
-          this.path = `${this.server.name}/channels/${channelName}/${this.dateId}`;
-        } else {
-          // user direct message
-          this.path = `${this.server.name}/users/${this.channelName}/${this.dateId}`;
-        }
-        break;
-      default:
-        this.path = `${this.server.name}/${this.channelName}/${this.dateId}`;
-        break;
-    }
-
-    /**
-     * Property: client
-     *
-     * Public or private BaseClient, depending on isPublic
-     */
-    this.client = this.isPublic ? publicClient : privateClient;
-
-    /**
-     * Property: previous
-     *
-     * Date of previous log file as YYYY/MM/DD
-     */
-    this.previous = options.previous;
-
-    /**
-     * Property: next
-     *
-     * Date of next log file as YYYY/MM/DD
-     */
-    this.next = options.next;
-  };
-
-  DailyArchive.prototype = {
     /*
      * Method: addMessage
      *
@@ -294,7 +307,7 @@
      *   text      - The message itself
      *   type      - Type of message (one of text, join, leave, action)
      */
-    addMessage: function addMessage(message) {
+    addMessage (message) {
       if (this.isPublic && !this.channelName.match(/^#/)) {
         return Promise.resolve(false);
       }
@@ -308,7 +321,7 @@
           return this._createDocument(message);
         }
       });
-    },
+    }
 
     /*
      * Method: addMessages
@@ -321,7 +334,7 @@
      *   overwrite  - If true, creates a new archive file and overwrites the
      *                old one. Defaults to false.
      */
-    addMessages: function addMessage(messages, overwrite) {
+    addMessages (messages, overwrite) {
       if (this.isPublic && !this.channelName.match(/^#/)) {
         return Promise.resolve(false);
       }
@@ -343,23 +356,23 @@
           }
         });
       }
-    },
+    }
 
     /*
      * Method: remove
      *
      * Deletes the entire archive document from storage
      */
-    remove: function() {
+    remove () {
       return this.client.remove(this.path);
-    },
+    }
 
     /*
      * Method: _updateDocument
      *
      * Updates and writes an existing archive document
      */
-    _updateDocument: function(archive, messages) {
+    _updateDocument (archive, messages) {
       console.debug('[chat-messages] Updating archive document', archive);
 
       if (Array.isArray(messages)) {
@@ -371,16 +384,16 @@
       }
 
       return this._sync(archive);
-    },
+    }
 
     /*
      * Method: _createDocument
      *
      * Creates and writes a new archive document
      */
-    _createDocument: function(messages) {
+    _createDocument (messages) {
       console.debug('[chat-messages] Creating new archive document');
-      let archive = this._buildArchiveObject();
+      const archive = this._buildArchiveObject();
 
       if (Array.isArray(messages)) {
         messages.forEach((message) => {
@@ -405,17 +418,17 @@
           return this._sync(archive);
         });
       }
-    },
+    }
 
     /*
      * Method: _buildArchiveObject
      *
      * Builds the object to be stored in remote storage
      */
-    _buildArchiveObject: function() {
+    _buildArchiveObject () {
-      let roomName = this.channelName.replace(/#/,'');
+      const roomName = this.channelName.replace(/#/,'');
 
-      let archive = {
+      const archive = {
         "@id": "chat-messages/"+this.server.name+"/channels/"+roomName+"/",
         "@type": "ChatChannel",
         "name": this.channelName,
@@ -440,18 +453,18 @@
       }
 
       return archive;
-    },
+    }
 
     /*
      * Method: _updatePreviousArchive
      *
      * Finds the previous archive document and updates its today.next value
      */
-    _updatePreviousArchive: function() {
+    _updatePreviousArchive () {
       return this._findPreviousArchive().then((archive) => {
         if (typeof archive === 'object' && archive.today) {
           archive.today.next = this.dateId;
-          let path = this.path.substring(0, this.path.length-this.dateId.length)+archive.today['@id'];
+          const path = this.path.substring(0, this.path.length-this.dateId.length)+archive.today['@id'];
 
           return this.client.storeObject('daily-archive', path, archive).then(() => {
             console.debug('[chat-messages] Previous archive written to remote storage', path, archive);
@@ -462,60 +475,60 @@
           return false;
         }
       });
-    },
+    }
 
     /*
      * Method: _findPreviousArchive
      *
      * Returns the previous archive document
      */
-    _findPreviousArchive: function() {
+    _findPreviousArchive () {
       const monthPath = this.path.substring(0, this.path.length-2);
       const yearPath = this.path.substring(0, this.path.length-5);
       const basePath = this.path.substring(0, this.path.length-10);
 
       return this.client.getListing(monthPath).then((listing) => {
-        let days = Object.keys(listing).map((i) => parseInt(i)).map((i) => {
+        const days = Object.keys(listing).map((i) => parseInt(i)).map((i) => {
           return (i < parseInt(this.parsedDate.day)) ? i : null;
         }).filter(function(i){ return i != null;  });
 
         if (days.length > 0) {
-          let day = pad(Math.max(...days).toString());
+          const day = pad(Math.max(...days).toString());
           return this.client.getObject(monthPath+day);
         }
 
         // Find last day in previous month
         return this.client.getListing(yearPath).then((listing) => {
-          let months = Object.keys(listing).map((i) => parseInt(i.substr(0,2))).map((i) => {
+          const months = Object.keys(listing).map((i) => parseInt(i.substr(0,2))).map((i) => {
             return (i < parseInt(this.parsedDate.month)) ? i : null;
           }).filter(function(i){ return i != null; });
 
           if (months.length > 0) {
-            let month = pad(Math.max(...months).toString());
+            const month = pad(Math.max(...months).toString());
 
             return this.client.getListing(yearPath+month+'/').then((listing) => {
-              let days = Object.keys(listing).map((i) => parseInt(i));
+              const days = Object.keys(listing).map((i) => parseInt(i));
-              let day = pad(Math.max(...days).toString());
+              const day = pad(Math.max(...days).toString());
               return this.client.getObject(yearPath+month+'/'+day);
             });
           } else {
             // Find last month and day in previous year
             return this.client.getListing(basePath).then((listing) => {
 
-              let years = Object.keys(listing).map((i) => parseInt(i.substr(0,4))).map((i) => {
+              const years = Object.keys(listing).map((i) => parseInt(i.substr(0,4))).map((i) => {
                 return (i < parseInt(this.parsedDate.year)) ? i : null;
               }).filter(function(i){ return i != null; });
 
               if (years.length > 0) {
-                let year = Math.max(...years).toString();
+                const year = Math.max(...years).toString();
 
                 return this.client.getListing(basePath+year+'/').then((listing) => {
-                  let months = Object.keys(listing).map((i) => parseInt(i.substr(0,2)));
+                  const months = Object.keys(listing).map((i) => parseInt(i.substr(0,2)));
-                  let month = pad(Math.max(...months).toString());
+                  const month = pad(Math.max(...months).toString());
 
                   return this.client.getListing(basePath+year+'/'+month+'/').then((listing) => {
-                    let days = Object.keys(listing).map((i) => parseInt(i));
+                    const days = Object.keys(listing).map((i) => parseInt(i));
-                    let day = pad(Math.max(...days).toString());
+                    const day = pad(Math.max(...days).toString());
                     return this.client.getObject(basePath+year+'/'+month+'/'+day);
                   });
                 });
@@ -526,14 +539,14 @@
           }
         });
       });
-    },
+    }
 
     /*
      * Method: _sync
      *
      * Write archive document
      */
-    _sync: function(obj) {
+    _sync (obj) {
       console.debug('[chat-messages] Writing archive object', obj);
 
       return this.client.storeObject('daily-archive', this.path, obj).then(function(){
@@ -546,29 +559,13 @@
     }
   };
 
-  var pad = function(num) {
+  return {
-    num = String(num);
+    exports: {
-    if (num.length === 1) { num = "0" + num; }
+      DailyArchive,
-    return num;
+      privateClient,
+      publicClient
+    }
   };
-
-  var parseDate = function(date) {
-    return {
-      year:  date.getUTCFullYear(),
-      month: pad( date.getUTCMonth() + 1 ),
-      day:   pad( date.getUTCDate() )
-    };
-  };
-
-  var exports = {
-    DailyArchive: DailyArchive,
-    privateClient: privateClient,
-    publicClient: publicClient
-  };
-
-  // Return public functions
-  return { exports: exports };
-
 };
 
 export default { name: 'chat-messages', builder: ChatMessages };