Add generator and output property as deprecated in config

lib/book.js

@@ -97,16 +97,7 @@ function Book(opts) {
     Object.defineProperty(this, 'options', {
         get: function () {
             this.log.warn.ln('"options" property is deprecated, use config.get(key) instead');
-            var cfg = this.config.dump();
-            error.deprecateField(cfg, 'book', (this.output? this.output.name : null), '"options.generator" property is deprecated, use "output.name" instead');
-
-            // options.generator
-            cfg.generator = this.output? this.output.name : null;
-
-            // options.output
-            cfg.output = this.output? this.output.root() : null;
-
-            return cfg;
+            return this.options;
         }
     });
 

lib/config/index.js

@@ -3,6 +3,7 @@ var semver = require('semver');
 
 var gitbook = require('../gitbook');
 var Promise = require('../utils/promise');
+var error = require('../utils/error');
 var validator = require('./validator');
 var plugins = require('./plugins');
 
@@ -90,6 +91,9 @@ Config.prototype.replace = function(options) {
             return that.book.parent? that.book.parent.root : undefined;
         }
     });
+
+    error.deprecateField(this.options, 'generator', (this.book.output? this.book.output.name : null), '"options.generator" property is deprecated, use "output.name" instead');
+    error.deprecateField(this.options, 'output', (this.book.output? this.book.output.root() : null), '"options.output" property is deprecated, use "output.root()" instead');
 };
 
 // Return true if book has a configuration file