sanitizing function added

.travis.yml

@@ -0,0 +1 @@
+language: node_js

lib/plugins/basicTypes.js

@@ -3,7 +3,9 @@ function addBasicTypes(validator) {
 	validator.registerGlobalType('array', function(v) {
 		return v instanceof Array;
 	});
-	validator.registerGlobalType('null', function(v) { return v === null;}); 
+	validator.registerGlobalType('null', function(v) {
+		return v === null;
+	});
 	var to = ['object', 'undefined', 'number', 'string', 'boolean']
 	to.forEach(function(type) {
 		validator.registerGlobalType(type, function(v) {

lib/validator.js

@@ -8,7 +8,7 @@ function Validator(k) {
 }
 
 Validator.prototype.validate = function (obj, valid) {
-
+	var invalid = [];
 	var ret = new Result(false);
 	if (typeof obj === 'object') {
 		ret = new Result(true);
@@ -29,11 +29,13 @@ Validator.prototype.validate = function (obj, valid) {
 				}
 				if (!result.status) {
 					result.info += "Validation failed for property " + e + ":";
+					invalid.push(e);
 				}
 				ret = ret.and(result);
 			}
 		}
 	}
+	ret.invalid = invalid;
 	return ret;
 };
 
@@ -55,5 +57,22 @@ Validator.registerGlobalType = function (key, fn) {
 	keys[key] = fn;
 };
 
+Validator.prototype.sanitize = function (obj, valid, defaultValue) {
+
+	var ret = this.validate(obj, valid);
+	if (!defaultValue) return ret;
+
+	if (ret.status === false) {
+		var result = new Result(true);
+		ret.invalid.forEach(function (el) {
+			if (!defaultValue[el]) throw new Error("NO_DEFAULT_VALUE");
+			obj[el] = defaultValue[el];
+			result.info += "Sanitization done for property " + el + ":";
+		});
+		result.sanitized = obj;
+		result.invalid = ret.invalid;
+		return result;
+	} else return ret;
+};
 
 module.exports = Validator;

package.json

@@ -17,11 +17,14 @@
 	"private": true,
 	"license": "AGPL",
 	"main": "./index.js",
+	"scripts": {
+    "test": "node_modules/.bin/mocha test/test.js"
+  },
 	"dependencies": {
 
 	},
 	"optionalDependencies": {},
 	"devDependencies": {
-
+		"mocha": "latest"
 	}
 }

test/sanitize-test.js

@@ -0,0 +1,114 @@
+var validator = require("../index.js")();
+var assert = require('assert');
+
+var message =
+
+	it("should sanitize an invalid object", function() {
+		var sanitize = validator.sanitize({
+			type: "text",
+			id: null,
+			text: "this is new text",
+			room: {
+				id: 'jdakjf930784ufjhcu',
+				type: 'room'
+			}
+		}, {
+			type: ['string'],
+			id: ['string'],
+			text: ['string'],
+			room: [{
+				id: ['string'],
+				type: ['string']
+			}]
+		}, {
+			id: "defaultid",
+			room: {
+				id: 'jdakjf930784ufjhcu',
+				type: 'room'
+			}
+		});
+		console.log("Sanitize: ", sanitize);
+		assert.equal(sanitize.sanitized.id, "defaultid", "sanitization failed");
+	});
+
+it("should sanitize invalid object", function() {
+	var sanitize = validator.sanitize({
+		type: "text",
+		id: "SAdasdasdd",
+		text: "this is new text",
+		room: {
+			id: 3223,
+			type: 4324
+		}
+	}, {
+		type: ['string'],
+		id: ['number'],
+		text: ['number'],
+		room: [{
+			id: ['string'],
+			type: ['string']
+			}]
+	}, {
+		id: 21341,
+		text: 3424,
+		room: {
+			id: 'jdakjf930784ufjhcu',
+			type: 'room'
+		}
+	});
+	console.log("Sanitize: ", sanitize);
+	assert.deepEqual(sanitize.invalid, ['id', 'text', 'room']);
+	assert.deepEqual(sanitize.sanitized, {
+		type: 'text',
+		id: 21341,
+		text: 3424,
+		room: {
+			id: 'jdakjf930784ufjhcu',
+			type: 'room'
+		}
+	}, "sanitization failed");
+});
+
+it("should return status false if no defaultvalue", function() {
+	var sanitize = validator.sanitize({
+		type: "text",
+		id: null,
+		text: "this is new text",
+		room: {
+			id: 'jdakjf930784ufjhcu',
+			type: 'room'
+		}
+	}, {
+		type: ['string'],
+		id: ['string'],
+		text: ['string'],
+		room: [{
+			id: ['string'],
+			type: ['string']
+			}]
+	});
+	console.log("Sanitize: ", sanitize);
+	assert.equal(sanitize.status, false, "should return false");
+});
+
+it("should throw error if no default value", function() {
+	assert.throws(function(){
+		validator.sanitize({
+			type: "text",
+			id: null,
+			text: "this is new text",
+			room: {
+				id: 'jdakjf930784ufjhcu',
+				type: 'room'
+			}
+		}, {
+			type: ['string'],
+			id: ['string'],
+			text: ['string'],
+			room: [{
+				id: ['string'],
+				type: ['string']
+				}]
+		}, {});
+	}, /^Error: NO_DEFAULT_VALUE$/, "should return false");
+});