ozzieperez/AddParametersToThis.html

## AddParametersToThis.html
<html>
	<head>
		<script>
		"use strict";

			class BaseClass {

				//Adds the parameters of a method to the context (this)
				addParametersToThis() {
					var parameters = this.getFunctionParameterNames(this.constructor);

					for (var i = 0; i < parameters.length; i++) {
						this[parameters[i]] = arguments[i];
				  	}
				}

				//Gets the names of the parameters of a method
				getFunctionParameterNames(func) {
					var STRIP_COMMENTS = /((\/\/.*$)|(\/\*[\s\S]*?\*\/))/mg,
					    ARGUMENT_NAMES = /([^\s,]+)/g,
					    fnStr = func.toString().replace(STRIP_COMMENTS, ''),
					    result = fnStr.slice(fnStr.indexOf('(')+1, fnStr.indexOf(')')).match(ARGUMENT_NAMES);
				  	return result === null ? [] : result;
				}
			}

			class MyClass extends BaseClass {

				constructor(arg1, arg2) {
					super();

					//THIS IS THE MONEY SHOT!
					this.addParametersToThis.apply(this, arguments);

					//CONFIRM IT ADDED IT TO "this"
					console.log("Did it work: " + JSON.stringify(this.arg2));
				}
			}


			//TEST IT
			var hello = "1",
			sweet = {nice:3};

			var myClass = new MyClass(hello, sweet);

		</script>
	</head>
</html>
	<html>
	<head>
	<script>
	"use strict";

	class BaseClass {

	//Adds the parameters of a method to the context (this)
	addParametersToThis() {
	var parameters = this.getFunctionParameterNames(this.constructor);

	for (var i = 0; i < parameters.length; i++) {
	this[parameters[i]] = arguments[i];
	}
	}

	//Gets the names of the parameters of a method
	getFunctionParameterNames(func) {
	var STRIP_COMMENTS = /((\/\/.$)\|(\/\[\s\S]?\\/))/mg,
	ARGUMENT_NAMES = /([^\s,]+)/g,
	fnStr = func.toString().replace(STRIP_COMMENTS, ''),
	result = fnStr.slice(fnStr.indexOf('(')+1, fnStr.indexOf(')')).match(ARGUMENT_NAMES);
	return result === null ? [] : result;
	}
	}

	class MyClass extends BaseClass {

	constructor(arg1, arg2) {
	super();

	//THIS IS THE MONEY SHOT!
	this.addParametersToThis.apply(this, arguments);

	//CONFIRM IT ADDED IT TO "this"
	console.log("Did it work: " + JSON.stringify(this.arg2));
	}
	}


	//TEST IT
	var hello = "1",
	sweet = {nice:3};

	var myClass = new MyClass(hello, sweet);

	</script>
	</head>
	</html>