Function consumeHyphenMinus

lib/css/syntax.js:693–709

* `-` — number / cdc / ident / delim. * @param {string} input input * @param {number} pos position just past `-` * @param {MutableToken} out token to populate * @returns {MutableToken | undefined} the resulting token, or undefined at EOF

(input, pos, out)

 * @returns {MutableToken | undefined} the resulting token, or undefined at EOF
 */
function consumeHyphenMinus(input, pos, out) {
	if (_ifThreeCodePointsWouldStartANumber(input, pos)) {
		pos--;
		return consumeANumericToken(input, pos, out);
	}
	if (
		input.charCodeAt(pos) === CC_HYPHEN_MINUS &&
		input.charCodeAt(pos + 1) === CC_GREATER_THAN_SIGN
	) {
		return fill(out, TT_CDC, pos - 1, pos + 2);
	}
	if (_ifThreeCodePointsWouldStartAnIdentSequence(input, pos)) {
		pos--;
		return consumeAnIdentLikeToken(input, pos, out);
	}
	return fill(out, TT_DELIM, pos - 1, pos);
}

/**
 * `.` — number or delim.