Formatters: JSON.stringify object literals in Human

CHANGELOG.md

@@ -3,6 +3,10 @@ Insanely configurable logging for Node.js
 
 ##ChangeLog
 
+### Development HEAD
+- Fix: Human formatter now outputs pretty-printed JSON when it encounters an
+object literal instead of "[object Object]".
+
 ### v0.3.0
 - Added: Loggly target
 - Added: Better documentation regarding targets

lib/formatters/human.js

@@ -62,7 +62,17 @@ module.exports = function(options, severity, date, elems) {
 		delete obj.line;
 	}
 	logUtil.forEachObj(obj, function(key, val) {
-		msg += "\n\t" + key + ': ' + val;
+		var strVal = '';
+		try {
+			strVal = val.toString();
+			if (strVal === '[object Object]') {
+				// Pretty-print objects with JSON
+				strVal = ("\n" + JSON.stringify(val, null, "    "))
+					.replace(/\n/g, "\n\t    ");
+			}
+		}
+		catch (e) {}
+		msg += "\n\t" + key + ': ' + strVal;
 	});
 	return msg;
 };

test/formatters/human.js

@@ -13,7 +13,8 @@ describe('Human Formatter', function() {
 		msg = human({}, 'debug', new Date(), [
 			'Hello!',
 			{is_it: 'me', "you're": 'looking for'},
-			{file: __filename, line: 82}
+			{file: __filename, line: 82},
+			{obj: { str: "hello" }}
 		]);
 	});
 	it("should output multiple lines", function() {
@@ -30,5 +31,9 @@ describe('Human Formatter', function() {
 	});
 	it("should output file and line in line 1", function() {
 		msg.should.match(/^[^\n]+human\.js:82/);
-	})
+	});
+	it("should stringify object literals", function() {
+		msg.should.not.match(/\[object Object\]/);
+		msg.should.match(/"str": "hello"/);
+	});
 });