@unsplash/sum-types-fp-ts/dist/esm/index.js

fp-ts bindings for @unsplash/sum-types.

import * as Sum from "@unsplash/sum-types";
import { fromEquals } from "fp-ts/Eq";
import { fromCompare } from "fp-ts/Ord";
import { Ord as ordString } from "fp-ts/string";
export const getEq = (eqs) => fromEquals((x, y) => {
    const [xk, xv] = Sum.serialize(x);
    const [yk, yv] = Sum.serialize(y);
    if (xk !== yk)
        return false;
    const eq = eqs[xk];
    return (eq === undefined ||
        eq.equals(xv, yv));
});
export const getOrd = (ords) => fromCompare((x, y) => {
    const [xk, xv] = Sum.serialize(x);
    const [yk, yv] = Sum.serialize(y);
    if (xk !== yk)
        return ordString.compare(xk, yk);
    const ord = ords[xk];
    return ord === undefined
        ? 0
        :
            ord.compare(xv, yv);
});
export const getShow = (shows) => ({
    show: x => {
        const [k, v] = Sum.serialize(x);
        return k in shows
            ? `${k}(${shows[k]
                .show(v)})`
            : k;
    },
});