function isConcatWithEmptyString(node) {
	return (
		node.operator === "+" &&
		((isEmptyString(node.left) && !isStringType(node.right)) ||
			(isEmptyString(node.right) && !isStringType(node.left)))
	);
}
Checks whether or not a node is a concatenating with an empty string.
@param {ASTNode} node A BinaryExpression node to check.
@returns {boolean} Whether or not the node is a concatenating with an empty string.