Function atkeyframes

packages/core/css/lib/parse/index.ts:290–319

* Parse keyframes.

()

	 */

	function atkeyframes() {
		var pos = position();
		var m = match(/^@([-\w]+)?keyframes\s*/);

		if (!m) return;
		var vendor = m[1];

		// identifier
		var m = match(/^([-\w]+)\s*/);
		if (!m) return error('@keyframes missing name');
		var name = m[1];

		if (!open()) return error("@keyframes missing '{'");

		var frame;
		var frames = comments();
		while ((frame = keyframe())) {
			frames.push(frame);
			frames = frames.concat(comments());
		}

		if (!close()) return error("@keyframes missing '}'");

		return pos({
			type: 'keyframes',
			name: name,
			vendor: vendor,
			keyframes: frames,
		});
	}

	/**
	 * Parse supports.