fixed #1

added possibility to add a new delegate/change an existing delegate so users can change the response body when they want to

lib/index.js

@@ -8,7 +8,7 @@ let defaults = {
 		'content-type': 'application/json'
 	},
 
-	delegate = {
+	delegates = {
 		applicationJson: (result, code, message) => {
 			let body = {
 					statusCode: code,
@@ -67,6 +67,12 @@ class Status {
 		});
 	}
 
+	addDelegation(type, delegation) {
+		if (typeof delegation === 'function') {
+			delegates[type] = delegation;
+		}
+	}
+
 	/**
 	 * create a function based on the status code message
 	 *
@@ -84,7 +90,7 @@ class Status {
 
 			headers = submerge(headers || {}, defaults);
 			type = camelcase(headers['content-type'].replace(/\//, ' '));
-			body = type in delegate ? delegate[type].apply(status, [result, code, message]) : result;
+			body = type in delegates ? delegates[type].apply(status, [result, code, message]) : result;
 
 			return applyHeaders(headers, reply(body).code(code));
 		};

test/index.js

@@ -78,3 +78,51 @@ Object.keys(status).forEach(function(key) {
 		});
 	});
 });
+
+lab.experiment('add a new delegation', function() {
+	lab.test('should be skipped if it\'s not a function', function(done) {
+		var response;
+
+		status.addDelegation('textHtml', 'some-text');
+
+		response = status.ok.apply(null, [new Reply(), 'Test', {'content-type': 'text/html'}]);
+
+		Code.expect(response.result).to.equal('Test');
+
+		done();
+	});
+
+	lab.test('should be able to alter the response.result', function(done) {
+		var response;
+
+		status.addDelegation('textHtml', function() {
+			return 'Hi!';
+		});
+
+		response = status.ok.apply(null, [new Reply(), 'Test', {'content-type': 'text/html'}]);
+
+		Code.expect(response.result).to.equal('Hi!');
+
+		done();
+	});
+
+	lab.test('should be able to alter an existing delegate', function(done) {
+		var response;
+
+		response = status.ok.apply(null, [new Reply(), ['Test']]);
+
+		Code.expect(response.result).to.be.an.object();
+		Code.expect(response.result.statusCode).to.be.a.number();
+		Code.expect(response.result.result).to.be.an.array();
+
+		status.addDelegation('applicationJson', function(result) {
+			return result;
+		});
+
+		response = status.ok.apply(null, [new Reply(), ['Test']]);
+
+		Code.expect(response.result).to.be.an.array();
+
+		done();
+	});
+});