Recursive Killing

recursive_killing.js

// Build a deep object of some sort
var ob = {
	type: 'windar',
	title: 'Hello World',
	children: [
		{
			type: 'BUTTUN',
			title: 'click me',
		},
		{
			type: 'view',
			title: 'I have no children',
			children: [ ]
		},
		{
			type: 'view',
			title: 'I have 3 children',
			children: [
				{
					type: 'view',
					title: 'I also have a child',
					children: [
						{
							type: 'label',
							title: 'Don\'t label me!'
						}
					]
				},
				{
					type: 'PICTURE',
					title: 'look at me',
				},
				{
					type: 'INPUT',
					title: 'type in me',
				}
			]
		}
	]
};

// Recursively loops an object and it's children and modifies them
//		Works it's way BACKWARDS through the children - so the array counter doesn't put us in an odd place
//		Destroys the DEEPEST objects first - so we don't lose referece
var counter = 0;
var recursive_killing = function(ob, parent){
	// Do we have children?
	if(ob.children){
		for (var c=(ob.children.length-1); c>=0; c--){
			recursive_killing(ob.children[c], ob);
		}
	}
	// If we have a parent (ie not the root node)
	if(parent){
		// Do whatever you need to kill the object here
		//		I'm just setting the title to DEAD and showing the order we killed it with a counter)
		counter ++;
		ob.title = 'DEAD (' + counter + ')';
	}
}

// Run the function
recursive_killing(ob);