spritesmith-texturepacker/texturepacker.js

Export TexturePacker compatible sprite sheets with SpriteSmith

function texturePackerTemplate (params) {
	var items = params.items,
		itemObj = { frames: {} },
		frames = itemObj.frames,
		item,
		animations = {};

	if (items.length > 0) {
		item = items[0];
		itemObj.meta = {
			app: "https://github.com/Ensighten/spritesmith",
			image: item.image,
			format: 'RGBA8888',
			size: {
				w: item.total_width,
				h: item.total_height
			},
			scale: 1
		};
	}

	items.forEach(function (item) {
		frames[item.name] = {
			frame: {
				x: item.x,
				y: item.y,
				w: item.width,
				h: item.height
			},
			rotated: false,
			trimmed: false,
			spriteSourceSize: {
				x: 0,
				y: 0,
				w: item.width,
				h: item.height
			},
			sourceSize: {
				w: item.width,
				h: item.height
			}
		};

		var matches = item.name.match(/(.*?)_\d\d/);

		if (matches) {
			var animationName = matches[1];
			var currentAnimations = animations[animationName];
			var fileName = matches[0];
			if (!currentAnimations) {
				animations[animationName] = [fileName];
			} else {
				animations[animationName].push(fileName);
			}
		}
	});

	itemObj.animations = animations;

	return JSON.stringify(itemObj, null, 4);
}

module.exports = texturePackerTemplate;