Function parseACommaSeparatedListOfComponentValues

lib/css/syntax.js:2206–2226

(
	input,
	pos,
	options = {}
)

 * @returns {ComponentValue[][]} comma-separated groups of component values
 */
const parseACommaSeparatedListOfComponentValues = (
	input,
	pos,
	options = {}
) => {
	// 1. Normalize input, and set input to the result.
	const ts = normalizeIntoTokenStream(input, pos, options.comment);
	useObjectBackend(ts.locConverter);
	// 2. Let groups be an empty list.
	/** @type {ComponentValue[][]} */
	const groups = [];
	// 3. While input is not empty:
	while (ts.next().type !== TT_EOF) {
		// 3.1. Consume a list of component values from input, with <comma-token> as the stop token, and append the result to groups.
		groups.push(consumeAListOfComponentValues(ts, TT_COMMA));
		// 3.2 Discard a token from input.
		ts.discard();
	}
	// 4. Return groups.
	return groups;
};

// === Parser algorithms (CSS Syntax Level 3 §5.4) ===
// The mutually-recursive consume algorithms the `parse*` entry points drive: