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Текущая директория: /usr/lib/node_modules/bitgo/node_modules/fp-ts/lib
Просмотр файла: Apply.js
"use strict";
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
var desc = Object.getOwnPropertyDescriptor(m, k);
if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
desc = { enumerable: true, get: function() { return m[k]; } };
}
Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
__setModuleDefault(result, mod);
return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.ap = ap;
exports.apFirst = apFirst;
exports.apSecond = apSecond;
exports.apS = apS;
exports.getApplySemigroup = getApplySemigroup;
exports.sequenceT = sequenceT;
exports.sequenceS = sequenceS;
/**
* The `Apply` class provides the `ap` which is used to apply a function to an argument under a type constructor.
*
* `Apply` can be used to lift functions of two or more arguments to work on values wrapped with the type constructor
* `f`.
*
* Instances must satisfy the following law in addition to the `Functor` laws:
*
* 1. Associative composition: `F.ap(F.ap(F.map(fbc, bc => ab => a => bc(ab(a))), fab), fa) <-> F.ap(fbc, F.ap(fab, fa))`
*
* Formally, `Apply` represents a strong lax semi-monoidal endofunctor.
*
* @example
* import * as O from 'fp-ts/Option'
* import { pipe } from 'fp-ts/function'
*
* const f = (a: string) => (b: number) => (c: boolean) => a + String(b) + String(c)
* const fa: O.Option<string> = O.some('s')
* const fb: O.Option<number> = O.some(1)
* const fc: O.Option<boolean> = O.some(true)
*
* assert.deepStrictEqual(
* pipe(
* // lift a function
* O.some(f),
* // apply the first argument
* O.ap(fa),
* // apply the second argument
* O.ap(fb),
* // apply the third argument
* O.ap(fc)
* ),
* O.some('s1true')
* )
*
* @since 2.0.0
*/
var function_1 = require("./function");
var _ = __importStar(require("./internal"));
function ap(F, G) {
return function (fa) {
return function (fab) {
return F.ap(F.map(fab, function (gab) { return function (ga) { return G.ap(gab, ga); }; }), fa);
};
};
}
function apFirst(A) {
return function (second) { return function (first) {
return A.ap(A.map(first, function (a) { return function () { return a; }; }), second);
}; };
}
function apSecond(A) {
return function (second) {
return function (first) {
return A.ap(A.map(first, function () { return function (b) { return b; }; }), second);
};
};
}
function apS(F) {
return function (name, fb) {
return function (fa) {
return F.ap(F.map(fa, function (a) { return function (b) {
var _a;
return Object.assign({}, a, (_a = {}, _a[name] = b, _a));
}; }), fb);
};
};
}
function getApplySemigroup(F) {
return function (S) { return ({
concat: function (first, second) {
return F.ap(F.map(first, function (x) { return function (y) { return S.concat(x, y); }; }), second);
}
}); };
}
function curried(f, n, acc) {
return function (x) {
var combined = Array(acc.length + 1);
for (var i = 0; i < acc.length; i++) {
combined[i] = acc[i];
}
combined[acc.length] = x;
return n === 0 ? f.apply(null, combined) : curried(f, n - 1, combined);
};
}
var tupleConstructors = {
1: function (a) { return [a]; },
2: function (a) { return function (b) { return [a, b]; }; },
3: function (a) { return function (b) { return function (c) { return [a, b, c]; }; }; },
4: function (a) { return function (b) { return function (c) { return function (d) { return [a, b, c, d]; }; }; }; },
5: function (a) { return function (b) { return function (c) { return function (d) { return function (e) { return [a, b, c, d, e]; }; }; }; }; }
};
function getTupleConstructor(len) {
if (!_.has.call(tupleConstructors, len)) {
tupleConstructors[len] = curried(function_1.tuple, len - 1, []);
}
return tupleConstructors[len];
}
function sequenceT(F) {
return function () {
var args = [];
for (var _i = 0; _i < arguments.length; _i++) {
args[_i] = arguments[_i];
}
var len = args.length;
var f = getTupleConstructor(len);
var fas = F.map(args[0], f);
for (var i = 1; i < len; i++) {
fas = F.ap(fas, args[i]);
}
return fas;
};
}
function getRecordConstructor(keys) {
var len = keys.length;
switch (len) {
case 1:
return function (a) {
var _a;
return (_a = {}, _a[keys[0]] = a, _a);
};
case 2:
return function (a) { return function (b) {
var _a;
return (_a = {}, _a[keys[0]] = a, _a[keys[1]] = b, _a);
}; };
case 3:
return function (a) { return function (b) { return function (c) {
var _a;
return (_a = {}, _a[keys[0]] = a, _a[keys[1]] = b, _a[keys[2]] = c, _a);
}; }; };
case 4:
return function (a) { return function (b) { return function (c) { return function (d) {
var _a;
return (_a = {},
_a[keys[0]] = a,
_a[keys[1]] = b,
_a[keys[2]] = c,
_a[keys[3]] = d,
_a);
}; }; }; };
case 5:
return function (a) { return function (b) { return function (c) { return function (d) { return function (e) {
var _a;
return (_a = {},
_a[keys[0]] = a,
_a[keys[1]] = b,
_a[keys[2]] = c,
_a[keys[3]] = d,
_a[keys[4]] = e,
_a);
}; }; }; }; };
default:
return curried(function () {
var args = [];
for (var _i = 0; _i < arguments.length; _i++) {
args[_i] = arguments[_i];
}
var r = {};
for (var i = 0; i < len; i++) {
r[keys[i]] = args[i];
}
return r;
}, len - 1, []);
}
}
function sequenceS(F) {
return function (r) {
var keys = Object.keys(r);
var len = keys.length;
var f = getRecordConstructor(keys);
var fr = F.map(r[keys[0]], f);
for (var i = 1; i < len; i++) {
fr = F.ap(fr, r[keys[i]]);
}
return fr;
};
}
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