code: 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"
          )
      );
  }
docs: 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