Function buildKnownProperties

lib/css/CssParser.js:340–454

(options = {})

 * @returns {Map<string, Record<string, number>>} list of known properties
 */
const buildKnownProperties = (options = {}) => {
	/** @type {Map<string, Record<string, number>>} */
	const knownProperties = new Map();

	if (options.animation) {
		knownProperties.set("animation", {
			// animation-direction
			normal: 1,
			reverse: 1,
			alternate: 1,
			"alternate-reverse": 1,
			// animation-fill-mode
			forwards: 1,
			backwards: 1,
			both: 1,
			// animation-iteration-count
			infinite: 1,
			// animation-play-state
			paused: 1,
			running: 1,
			// animation-timing-function
			ease: 1,
			"ease-in": 1,
			"ease-out": 1,
			"ease-in-out": 1,
			linear: 1,
			"step-end": 1,
			"step-start": 1,
			// Special
			none: Infinity, // No matter how many times you write none, it will never be an animation name
			...GLOBAL_VALUES
		});
		knownProperties.set("animation-name", {
			// Special
			none: Infinity, // No matter how many times you write none, it will never be an animation name
			...GLOBAL_VALUES
		});
	}

	if (options.container) {
		knownProperties.set("container", {
			// container-type
			normal: 1,
			size: 1,
			"inline-size": 1,
			"scroll-state": 1,
			// Special
			none: Infinity,
			...GLOBAL_VALUES
		});
		knownProperties.set("container-name", {
			// Special
			none: Infinity,
			...GLOBAL_VALUES
		});
	}

	if (options.customIdents) {