swc/bundler/tests/.cache/deno/f70b1bcdeb0360ba6e7371ddc1e91e4c08e8bc01.ts
강동윤 bbaf619f63
fix(bundler): Fix bugs (#1437)
swc_bundler:
 - [x] Fix wrapped esms. (denoland/deno#9307)
 - [x] Make test secure.
2021-03-02 17:33:03 +09:00

39 lines
1.1 KiB
TypeScript

// Loaded from https://deno.land/x/ramda@v0.27.2/source/view.js
import _curry2 from './internal/_curry2.js';
// `Const` is a functor that effectively ignores the function given to `map`.
var Const = function(x) {
return {value: x, 'fantasy-land/map': function() { return this; }};
};
/**
* Returns a "view" of the given data structure, determined by the given lens.
* The lens's focus determines which portion of the data structure is visible.
*
* @func
* @memberOf R
* @since v0.16.0
* @category Object
* @typedefn Lens s a = Functor f => (a -> f a) -> s -> f s
* @sig Lens s a -> s -> a
* @param {Lens} lens
* @param {*} x
* @return {*}
* @see R.set, R.over, R.lens, R.lensIndex, R.lensProp, R.lensPath
* @example
*
* const xLens = R.lensProp('x');
*
* R.view(xLens, {x: 1, y: 2}); //=> 1
* R.view(xLens, {x: 4, y: 2}); //=> 4
*/
var view = _curry2(function view(lens, x) {
// Using `Const` effectively ignores the setter function of the `lens`,
// leaving the value returned by the getter function unmodified.
return lens(Const)(x).value;
});
export default view;