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Текущая директория: /usr/lib/node_modules/bitgo/node_modules/fp-ts/es6
Просмотр файла: struct.js
/**
* @since 2.10.0
*/
import * as _ from './internal';
// -------------------------------------------------------------------------------------
// instances
// -------------------------------------------------------------------------------------
/**
* Return a semigroup which works like `Object.assign`.
*
* @example
* import { getAssignSemigroup } from 'fp-ts/struct'
*
* interface Person {
* readonly name: string
* readonly age: number
* }
*
* const S = getAssignSemigroup<Person>()
* assert.deepStrictEqual(S.concat({ name: 'name', age: 23 }, { name: 'name', age: 24 }), { name: 'name', age: 24 })
*
* @category instances
* @since 2.10.0
*/
export var getAssignSemigroup = function () { return ({
concat: function (first, second) { return Object.assign({}, first, second); }
}); };
// -------------------------------------------------------------------------------------
// utils
// -------------------------------------------------------------------------------------
/**
* Creates a new object by recursively evolving a shallow copy of `a`, according to the `transformation` functions.
*
* @example
* import { pipe } from 'fp-ts/function'
* import { evolve } from 'fp-ts/struct'
*
* assert.deepStrictEqual(
* pipe(
* { a: 'a', b: 1 },
* evolve({
* a: (a) => a.length,
* b: (b) => b * 2
* })
* ),
* { a: 1, b: 2 }
* )
*
* @since 2.11.0
*/
export var evolve = function (transformations) {
return function (a) {
var out = {};
for (var k in a) {
if (_.has.call(a, k)) {
out[k] = transformations[k](a[k]);
}
}
return out;
};
};
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