Function parseDirection

packages/core/css/parser.ts:428–444

(text: string, start = 0)

	},
};
function parseDirection(text: string, start = 0): Parsed<Angle> {
	directionRegEx.lastIndex = start;
	const result = directionRegEx.exec(text);
	if (!result) {
		return null;
	}
	const end = directionRegEx.lastIndex;
	const firstDirection = result[1];
	if (result[2]) {
		const secondDirection = result[2];
		const value = cornerDirections[firstDirection][secondDirection];

		return value === undefined ? null : { start, end, value };
	} else {
		return { start, end, value: sideDirections[firstDirection] };
	}
}

const openingBracketRegEx = /\s*\(\s*/gy;
const closingBracketRegEx = /\s*\)\s*/gy;