import { FunctionPlotAnnotation } from "function-plot";

export type PrivateAnnotation = {

/** @private */

key: number;

variable: "x" | "y";

value: number;

text: string;

};

export const toPublicAnnotation = ({

variable,

value,

text,

}: PrivateAnnotation): FunctionPlotAnnotation => {

const result: FunctionPlotAnnotation = {};

if (text !== "") result.text = text;

if (variable === "x") result.x = value;

else result.y = value;

return result;

};

export const toPrivateAnnotation = ({

x,

y,

text,

}: FunctionPlotAnnotation): PrivateAnnotation => ({

key: Math.random(),

variable: x !== undefined ? "x" : "y",

value: x ?? y ?? 0,

text: text ?? "",

});