function isNumeric(node) {
	return (
		(node.type === "Literal" && typeof node.value === "number") ||
		(node.type === "CallExpression" &&
			(node.callee.name === "Number" ||
				node.callee.name === "parseInt" ||
				node.callee.name === "parseFloat"))
	);
}
Checks whether the result of a node is numeric or not
@param {ASTNode} node The node to test
@returns {boolean} true if the node is a number literal or a `Number()`, `parseInt` or `parseFloat` call