Function consumePlusSign

lib/css/syntax.js:734–741

* `+` — number or 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 consumePlusSign(input, pos, out) {
	const start = pos - 1;
	if (_ifThreeCodePointsWouldStartANumber(input, pos)) {
		pos--;
		return consumeANumericToken(input, pos, out);
	}
	return fill(out, TT_DELIM, start, pos);
}

/**
 * Numeric token: number / percentage / dimension.