5 * Check if a statement has an empty block.
7 * @param {Rule|AtRule} statement - postcss rule or at-rule node
8 * @return {boolean} True if the statement has a block and it is empty
10 module.exports = function(
11 statement /*: postcss$rule | postcss$atRule*/
14 statement.nodes !== undefined && statement.nodes.length === 0 // has block