First commit

.npmignore

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+*.md
+.git*
+examples/

README.md

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+# About 
+Simple AOP realization for async applications.
+
+# Installation
+
+	npm install aop
+
+# Example
+
+```js
+var aop = require("aop");
+
+var cache = {};
+
+var someAsyncFunction = function fnName(num, callback) {
+	console.log("calculating");
+	var result = num * 2;
+	callback(null, result);
+	cache[num] = result;
+};
+
+var cacheAspect = function(method, params) {
+	console.log(this.name);
+	var num = params[0];
+	if (cache[num]) {
+		var callback = params[params.length - 1];
+		console.log("using cached value");
+		callback(null, cache[num]);
+	} else {
+		method.apply(this, params);
+	}
+};
+
+var changeAspect = function(method, params) {
+	console.log(this.name);
+	params[0]++;
+	method.apply(this, params);
+};
+
+var formatAspect = function(method, params) {
+	console.log(this.name);
+	var callback = params[params.length - 1];
+	var newCallback = function(error, result) {
+		callback(error, result + "s");
+	};
+	params[params.length - 1] = newCallback;
+	method.apply(this, params);
+};
+
+someAsyncFunction = aop.wrap(someAsyncFunction, someAsyncFunction, cacheAspect);
+someAsyncFunction = aop.wrap(someAsyncFunction, someAsyncFunction, formatAspect);
+someAsyncFunction = aop.wrap(someAsyncFunction, someAsyncFunction, changeAspect);
+
+someAsyncFunction(2, function(error, result) {
+	console.log(result);
+});
+
+someAsyncFunction(2, function(error, result) {
+	console.log(result);
+});
+```

examples/example.js

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+var aop = require("./../lib/aop");
+
+var cache = {};
+
+var someAsyncFunction = function fnName(num, callback) {
+	console.log("calculating");
+	var result = num * 2;
+	callback(null, result);
+	cache[num] = result;
+};
+
+var cacheAspect = function(method, params) {
+	console.log(method.name);
+	var num = params[0];
+	if (cache[num]) {
+		var callback = params[params.length - 1];
+		console.log("using cached value");
+		callback(null, cache[num]);
+	} else {
+		method.apply(this, params);
+	}
+};
+
+var changeAspect = function(method, params) {
+	console.log(this.name);
+	params[0]++;
+	method.apply(this, params);
+};
+
+var formatAspect = function(method, params) {
+	console.log(method.name);
+	var callback = params[params.length - 1];
+	var newCallback = function(error, result) {
+		callback(error, result + "s");
+	};
+	params[params.length - 1] = newCallback;
+	method.apply(this, params);
+};
+
+someAsyncFunction = aop.wrap(someAsyncFunction, someAsyncFunction, cacheAspect);
+someAsyncFunction = aop.wrap(someAsyncFunction, someAsyncFunction, formatAspect);
+someAsyncFunction = aop.wrap(someAsyncFunction, someAsyncFunction, changeAspect);
+
+someAsyncFunction(2, function(error, result) {
+	console.log(result);
+});
+
+someAsyncFunction(2, function(error, result) {
+	console.log(result);
+});

index.js

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+module.exports = require("./lib/pool");

lib/aop.js

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+module.exports.wrap = function(that, target, aspect) {
+	var params = Array.prototype.slice.call(arguments, 3);
+	var wrapper = function() { params.unshift(target, arguments); aspect.apply(that, params); }
+	return wrapper;
+};

package.json

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+{
+	"name" : "aop",
+	"version" : "0.1",
+	"description" : "Simple AOP realization for async applications",
+	"keywords": ["aop"],
+	"author" : "Vadim M. Baryshev <vadimbaryshev@gmail.com>",
+	"repository" : { "type" : "git", "url" : "https://github.com/baryshev/aop.git" }
+	"main" : "index",
+	"engines" : { "node": ">= 0.2.0" }
+}