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// Copyright (c) 2020 Jozty. All rights reserved. MIT license.
import curryN from './utils/curry_n.ts';import type { Obj, PH } from './utils/types.ts';import type { Prop } from './prop.ts';import { pathOr } from './pathOr.ts';
// @typestype PropOr_1<T> = <R>(d: R) => R;
type PropOr_2<T, R> = (p: Prop) => R;
type PropOr_3<R> = <T>(obj: Obj<T> | null) => R;
type PropOr_2_3<R> =  & ((p: Prop) => PropOr_3<R>)  & (<T>(p: PH, obj: Obj<T> | null) => PropOr_2<T, R>)  & (<T>(p: Prop, obj: Obj<T> | null) => R);
type PropOr_1_3 =  & (<R>(d: R) => PropOr_3<R>)  & (<T>(d: PH, obj: Obj<T> | null) => PropOr_1<T>)  & (<T, R>(d: R, obj: Obj<T> | null) => R);
type PropOr_1_2<T> =  & (<R>(d: R) => PropOr_2<T, R>)  & ((d: PH, p: Prop) => PropOr_1<T>)  & (<R>(d: R, p: Prop) => R);
type PropOr =  & (<R>(d: R) => PropOr_2_3<R>)  & ((d: PH, p: Prop) => PropOr_1_3)  & (<T>(d: PH, p: PH, obj: Obj<T> | null) => PropOr_1_2<T>)  & (<R>(d: R, p: Prop) => PropOr_3<R>)  & (<T, R>(d: R, p: PH, obj: Obj<T> | null) => PropOr_2<T, R>)  & (<T>(d: PH, p: Prop, obj: Obj<T> | null) => PropOr_1<T>)  & (<T, R extends T>(d: R, p: Prop, obj: Obj<T> | null) => R);
function _propOr<T, R>(d: R, p: Prop, obj: Obj<T> | null) {  return pathOr<T, R, T>(d, [p], obj);}
/** * If the given, non-null object has an own property with the specified name, * returns the value of that property. Otherwise returns the provided default * value. *      const fae = { *        name: 'Fae', *        age: 15 *      } *      const Great = Fae.prop('GreatLibrary') *      const GreatWithDefault = Fae.propOr('FaeModule', 'GreatLibrary') * *      Great(fae)  //=> undefined *      GreatWithDefault(fae) //=> 'FaeModule' */export const propOr: PropOr = curryN(3, _propOr);