Issue #13: less "strict" error checking in api.js + SMW example

examples/smw.js

@@ -0,0 +1,19 @@
+/**
+ * Example script of Semantic MediaWiki integration
+ *
+ * @see http://semantic-mediawiki.org/wiki/Ask_API
+ */
+
+var bot = require('../lib/bot').bot,
+	client = new bot({
+		server: 'semantic-mediawiki.org',
+		path: '/w'
+	}),
+	params = {
+		action: 'ask',
+		query: '[[Modification date::+]]|?Modification date|sort=Modification date|order=desc'
+	};
+
+client.api.call(params, function(info, next, data) {
+	console.log(data && data.query && data.query.results);
+});

lib/api.js

@@ -175,7 +175,7 @@
 					throw 'Error parsing JSON response: ' + res.body;
 				}
 
-				if (info) {
+				if (data && !data.error) {
 					if (typeof callback === 'function') {
 						callback && callback(info, next, data);
 					}
@@ -185,7 +185,7 @@
 						data: data
 					});
 				}
-				else if (data.error) {
+				else {
 					throw 'Error returned by API: ' + data.error.info;
 				}
 			});