1234567891011121314151617181920212223242526
// Copyright (c) 2020 Jozty. All rights reserved. MIT license.
import { Lens, lens, LensGetter, LensSetter } from './lens.ts';import { assocPath } from './assocPath.ts';import curryN from './utils/curry_n.ts';import type { Path } from './paths.ts';import { path as pth } from './path.ts';
// @typestype LensPath = <T, F>(path: Path) => Lens<T, F>;
function _lensPath<T, F>(path: Path): Lens<T, F> {  return lens(    pth(path) as LensGetter<T, F>,    (assocPath(path) as any) as LensSetter<T, F>,  );}
/** * Returns a lens whose focus is the specified path. * *      const xHeadYLens = Fae.lensPath(['x', 0, 'y']) *      Fae.view(xHeadYLens, {x: [{y: 2, z: 3}, {y: 4, z: 5}]}) // {x: [{y: 1, z: 3}, {y: 4, z: 5}]} */export const lensPath: LensPath = curryN(1, _lensPath);