Function consumeNumberSign

lib/css/syntax.js:664–684

* `#` — hash 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 consumeNumberSign(input, pos, out) {
	const start = pos - 1;
	const first = input.charCodeAt(pos);
	const second = input.charCodeAt(pos + 1);
	if (
		_isIdentCodePoint(first) ||
		_ifTwoCodePointsAreValidEscape(input, pos, first, second)
	) {
		const third = input.charCodeAt(pos + 2);
		out.isId = _ifThreeCodePointsWouldStartAnIdentSequence(
			input,
			pos,
			first,
			second,
			third
		);
		pos = _consumeAnIdentSequence(input, pos);
		return fill(out, TT_HASH, start, pos);
	}
	return fill(out, TT_DELIM, start, pos);
}

/**
 * `-` — number / cdc / ident / delim.