fp-ts-std/dist/esm/Struct.js

The missing pseudo-standard library for fp-ts.

import * as A from "fp-ts/Array";
import { pipe } from "fp-ts/function";
import { uncurry2 } from "./Function";
import { fanout } from "./Tuple";
export const merge = (x) => (y) => ({ ...x, ...y });
export const pick = (ks) => (x) => pipe(ks, A.reduce({}, (ys, k) => merge(ys)(k in x ? { [k]: x[k] } : {})));
export const pickFrom = () => pick;
export const get = (k) => (x) => x[k];
export const omit = (ks) => (x) => {
    const y = { ...x };
    for (const k of ks) {
        delete y[k];
    }
    return y;
};
export const omitFrom = () => omit;
export const withDefaults = merge;
export const renameKey = (oldK) => (newK) => (x) => {
    const newO = (x) => (oldK in x ? { [newK]: x[oldK] } : {});
    return pipe(x, fanout(omitFrom()([oldK]))(newO), uncurry2(merge));
};