function isJSXNumber(fullNumberNode) {
			return fullNumberNode.parent.type.indexOf("JSX") === 0;
		}
Returns whether the given node is a direct child of a JSX node.
In particular, it aims to detect numbers used as prop values in JSX tags.
Example: <input maxLength={10} />
@param {ASTNode} fullNumberNode `Literal` or `UnaryExpression` full number node
@returns {boolean} true if the node is a JSX number