		'use strict';

		module.exports = function (obj, prop, fn) {
		/**
		* Return a function which will process changes on the instance based on the
		* object that is provided and emit a dedicated "change" event.
		*
		* @param {String} suffix The suffix for the event we emit.
		* @returns {Function}
		* @api public
		*/
		module.exports = function modification(suffix) {
		suffix = arguments.length ? suffix : '';

		/**
		* Changes processor.
		*
		* @param {Object} changed Properties that have to be changed.
		* @returns {That} What ever the value of `this` is.
		* @api public
		*/
		return function change(changed) {
		var currently, previously
		, that = this
		, key;

		if (!changed) return that;

		for (key in changed) {
		if (key in that && that[key] !== changed[key]) {
		currently = changed[key];
		previously = that[key];

		that[key] = currently;
		that.emit(key + suffix, currently, previously);
		}
		}

		return that;
		};
		};

package.json

		{
		"name": "modification",
		"version": "0.0.0",
		"description": "Listen and apply modifications",
		"version": "1.0.0",
		"description": "Process changes that should be made on the prototype and emit `change` event for each changed property",
		"main": "index.js",
		"scripts": {
		"test": "echo \"Error: no test specified\" && exit 1"
		"100%": "istanbul check-coverage --statements 100 --functions 100 --lines 100 --branches 100",
		"test": "mocha test.js",
		"watch": "mocha --watch test.js",
		"coverage": "istanbul cover ./node_modules/.bin/_mocha -- test.js",
		"test-travis": "istanbul cover node_modules/.bin/_mocha --report lcovonly -- test.js"
		},
		"repository": {
		"type": "git",
		"url": "https://github.com/observing/modification"
		"url": "https://github.com/unshiftio/modification"
		},
		"keywords": [
		"change",
		"observe",
		"diff",
		"changes",
		"modification",
		"changes",
		"observer",
		"observing",
		"object"
		"modify",
		"process",
		"update"
		],
		@@ -26,5 +28,11 @@ "author": "Arnout Kazemier",
		"bugs": {
		"url": "https://github.com/observing/modification/issues"
		"url": "https://github.com/unshiftio/modification/issues"
		},
		"homepage": "https://github.com/observing/modification"
		"homepage": "https://github.com/unshiftio/modification",
		"devDependencies": {
		"assume": "1.1.x",
		"istanbul": "0.3.x",
		"mocha": "2.1.x",
		"pre-commit": "1.0.x"
		}
		}

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