Class type `Chartjs.chartConfig`

method data : data Js_of_ocaml.Js.t Js_of_ocaml.Js.prop
method options : chartOptions Js_of_ocaml.Js.t Js_of_ocaml.Js.prop
method _type : Js_of_ocaml.Js.js_string Js_of_ocaml.Js.t Js_of_ocaml.Js.prop