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Просмотр файла: ReaderIO.js
import { apFirst as apFirst_, apS as apS_, apSecond as apSecond_ } from './Apply';
import * as chainable from './Chain';
import { fromIOK as fromIOK_, tapIO as tapIO_ } from './FromIO';
import { ask as ask_, asks as asks_, fromReaderK as fromReaderK_, tapReader as tapReader_ } from './FromReader';
import { dual, flow, identity, pipe, SK } from './function';
import { as as as_, asUnit as asUnit_, bindTo as bindTo_, flap as flap_ } from './Functor';
import * as _ from './internal';
import * as I from './IO';
import * as R from './Reader';
import * as RT from './ReaderT';
// -------------------------------------------------------------------------------------
// conversions
// -------------------------------------------------------------------------------------
/**
* @category conversions
* @since 2.13.0
*/
export var fromReader = /*#__PURE__*/ RT.fromReader(I.Pointed);
/**
* @category conversions
* @since 2.13.0
*/
export var fromIO = R.of;
// -------------------------------------------------------------------------------------
// combinators
// -------------------------------------------------------------------------------------
/**
* Changes the value of the local context during the execution of the action `ma` (similar to `Contravariant`'s
* `contramap`).
*
* @since 2.13.0
*/
export var local = R.local;
/**
* Less strict version of [`asksReaderIO`](#asksreaderio).
*
* The `W` suffix (short for **W**idening) means that the environment types will be merged.
*
* @category constructors
* @since 2.13.0
*/
export var asksReaderIOW = R.asksReaderW;
/**
* Effectfully accesses the environment.
*
* @category constructors
* @since 2.13.0
*/
export var asksReaderIO = asksReaderIOW;
var _map = function (fa, f) { return pipe(fa, map(f)); };
var _ap = function (fab, fa) { return pipe(fab, ap(fa)); };
/**
* `map` can be used to turn functions `(a: A) => B` into functions `(fa: F<A>) => F<B>` whose argument and return types
* use the type constructor `F` to represent some computational context.
*
* @category mapping
* @since 2.13.0
*/
export var map = /*#__PURE__*/ RT.map(I.Functor);
/**
* @since 2.13.0
*/
export var ap =
/*#__PURE__*/ RT.ap(I.Apply);
/**
* Less strict version of [`ap`](#ap).
*
* The `W` suffix (short for **W**idening) means that the environment types will be merged.
*
* @since 2.13.0
*/
export var apW = ap;
/**
* @category constructors
* @since 2.13.0
*/
export var of = /*#__PURE__*/ RT.of(I.Pointed);
/**
* @category sequencing
* @since 2.14.0
*/
export var flatMap = /*#__PURE__*/ dual(2, RT.flatMap(I.Monad));
/**
* Less strict version of [`flatten`](#flatten).
*
* The `W` suffix (short for **W**idening) means that the environment types will be merged.
*
* @category sequencing
* @since 2.13.0
*/
export var flattenW =
/*#__PURE__*/ flatMap(identity);
/**
* @category sequencing
* @since 2.13.0
*/
export var flatten = flattenW;
/**
* @category type lambdas
* @since 2.13.0
*/
export var URI = 'ReaderIO';
/**
* @category instances
* @since 2.13.0
*/
export var Functor = {
URI: URI,
map: _map
};
/**
* Maps the value to the specified constant value.
*
* @category mapping
* @since 2.16.0
*/
export var as = dual(2, as_(Functor));
/**
* Maps the value to the void constant value.
*
* @category mapping
* @since 2.16.0
*/
export var asUnit = asUnit_(Functor);
/**
* @category mapping
* @since 2.13.0
*/
export var flap = /*#__PURE__*/ flap_(Functor);
/**
* @category instances
* @since 2.13.0
*/
export var Pointed = {
URI: URI,
of: of
};
/**
* @category instances
* @since 2.13.0
*/
export var Apply = {
URI: URI,
map: _map,
ap: _ap
};
/**
* Combine two effectful actions, keeping only the result of the first.
*
* @since 2.13.0
*/
export var apFirst = /*#__PURE__*/ apFirst_(Apply);
/**
* Combine two effectful actions, keeping only the result of the second.
*
* @since 2.13.0
*/
export var apSecond = /*#__PURE__*/ apSecond_(Apply);
/**
* @category instances
* @since 2.13.0
*/
export var Applicative = {
URI: URI,
map: _map,
ap: _ap,
of: of
};
/**
* @category instances
* @since 2.13.0
*/
export var Chain = {
URI: URI,
map: _map,
ap: _ap,
chain: flatMap
};
/**
* @category instances
* @since 2.13.0
*/
export var Monad = {
URI: URI,
map: _map,
of: of,
ap: _ap,
chain: flatMap
};
/**
* @category instances
* @since 2.13.0
*/
export var MonadIO = {
URI: URI,
map: _map,
of: of,
ap: _ap,
chain: flatMap,
fromIO: fromIO
};
/**
* @category instances
* @since 2.13.0
*/
export var FromIO = {
URI: URI,
fromIO: fromIO
};
/**
* @category instances
* @since 2.13.0
*/
export var FromReader = {
URI: URI,
fromReader: fromReader
};
/** @internal */
var _FlatMap = {
flatMap: flatMap
};
/** @internal */
var _FromIO = {
fromIO: FromIO.fromIO
};
/** @internal */
var _FromReader = {
fromReader: fromReader
};
/**
* @category sequencing
* @since 2.16.0
*/
export var flatMapIO = _.flatMapIO(_FromIO, _FlatMap);
/**
* @category sequencing
* @since 2.16.0
*/
export var flatMapReader = /*#__PURE__*/ _.flatMapReader(_FromReader, _FlatMap);
/**
* Composes computations in sequence, using the return value of one computation to determine the next computation and
* keeping only the result of the first.
*
* @category combinators
* @since 2.15.0
*/
export var tap = /*#__PURE__*/ dual(2, chainable.tap(Chain));
/**
* Composes computations in sequence, using the return value of one computation to determine the next computation and
* keeping only the result of the first.
*
* @example
* import { pipe } from 'fp-ts/function'
* import * as RIO from 'fp-ts/ReaderIO'
* import * as Console from 'fp-ts/Console'
*
* // Will produce `Hello, fp-ts` to the stdout
* const effect = pipe(
* RIO.ask<string>(),
* RIO.tapIO((value) => Console.log(`Hello, ${value}`)),
* )
*
* async function test() {
* assert.deepStrictEqual(effect('fp-ts')(), 'fp-ts')
* }
*
* test()
*
* @category combinators
* @since 2.16.0
*/
export var tapIO = /*#__PURE__*/ dual(2, tapIO_(FromIO, Chain));
/**
* Composes computations in sequence, using the return value of one computation to determine the next computation and
* keeping only the result of the first.
*
* @category combinators
* @since 2.16.0
*/
export var tapReader = /*#__PURE__*/ dual(2, tapReader_(FromReader, Chain));
/**
* @category lifting
* @since 2.13.0
*/
export var fromIOK = /*#__PURE__*/ fromIOK_(FromIO);
/**
* Alias of `flatMapIO`.
*
* @category legacy
* @since 2.13.0
*/
export var chainIOK = flatMapIO;
/**
* Alias of `tapIO`.
*
* @category legacy
* @since 2.13.0
*/
export var chainFirstIOK = tapIO;
/**
* Reads the current context.
*
* @category constructors
* @since 2.13.0
*/
export var ask = /*#__PURE__*/ ask_(FromReader);
/**
* Projects a value from the global context in a `ReaderIO`.
*
* @category constructors
* @since 2.13.0
*/
export var asks = /*#__PURE__*/ asks_(FromReader);
/**
* @category lifting
* @since 2.13.0
*/
export var fromReaderK = /*#__PURE__*/ fromReaderK_(FromReader);
/**
* Alias of `flatMapReader`.
*
* @category legacy
* @since 2.13.0
*/
export var chainReaderK = flatMapReader;
/**
* Alias of `flatMapReader`.
*
* Less strict version of [`chainReaderK`](#chainreaderk).
*
* The `W` suffix (short for **W**idening) means that the environment types will be merged.
*
* @category legacy
* @since 2.13.0
*/
export var chainReaderKW = flatMapReader;
/**
* Alias of `tapReader`.
*
* @category legacy
* @since 2.13.0
*/
export var chainFirstReaderK = tapReader;
/**
* Alias of `tapReader`.
*
* Less strict version of [`chainFirstReaderK`](#chainfirstreaderk).
*
* The `W` suffix (short for **W**idening) means that the environment types will be merged.
*
* @category legacy
* @since 2.13.0
*/
export var chainFirstReaderKW = tapReader;
// -------------------------------------------------------------------------------------
// do notation
// -------------------------------------------------------------------------------------
/**
* @category do notation
* @since 2.13.0
*/
export var Do = /*#__PURE__*/ of(_.emptyRecord);
/**
* @category do notation
* @since 2.13.0
*/
export var bindTo = /*#__PURE__*/ bindTo_(Functor);
/**
* @category do notation
* @since 2.13.0
*/
export var bind = /*#__PURE__*/ chainable.bind(Chain);
/**
* The `W` suffix (short for **W**idening) means that the environment types will be merged.
*
* @category do notation
* @since 2.13.0
*/
export var bindW = bind;
/**
* @category do notation
* @since 2.13.0
*/
export var apS = /*#__PURE__*/ apS_(Apply);
/**
* Less strict version of [`apS`](#aps).
*
* The `W` suffix (short for **W**idening) means that the environment types will be merged.
*
* @category do notation
* @since 2.13.0
*/
export var apSW = apS;
/**
* @since 2.13.0
*/
export var ApT = /*#__PURE__*/ of(_.emptyReadonlyArray);
// -------------------------------------------------------------------------------------
// array utils
// -------------------------------------------------------------------------------------
/**
* Equivalent to `ReadonlyNonEmptyArray#traverseWithIndex(Applicative)`.
*
* @category traversing
* @since 2.13.0
*/
export var traverseReadonlyNonEmptyArrayWithIndex = function (f) {
return flow(R.traverseReadonlyNonEmptyArrayWithIndex(f), R.map(I.traverseReadonlyNonEmptyArrayWithIndex(SK)));
};
/**
* Equivalent to `ReadonlyArray#traverseWithIndex(Applicative)`.
*
* @category traversing
* @since 2.13.0
*/
export var traverseReadonlyArrayWithIndex = function (f) {
var g = traverseReadonlyNonEmptyArrayWithIndex(f);
return function (as) { return (_.isNonEmpty(as) ? g(as) : ApT); };
};
/**
* Equivalent to `ReadonlyArray#traverseWithIndex(Applicative)`.
*
* @category traversing
* @since 2.13.0
*/
export var traverseArrayWithIndex = traverseReadonlyArrayWithIndex;
/**
* Equivalent to `ReadonlyArray#traverse(Applicative)`.
*
* @category traversing
* @since 2.13.0
*/
export var traverseArray = function (f) { return traverseReadonlyArrayWithIndex(function (_, a) { return f(a); }); };
/**
* Equivalent to `ReadonlyArray#sequence(Applicative)`.
*
* @category traversing
* @since 2.13.0
*/
export var sequenceArray =
/*#__PURE__*/ traverseArray(identity);
// -------------------------------------------------------------------------------------
// legacy
// -------------------------------------------------------------------------------------
/**
* Alias of `flatMap`.
*
* @category legacy
* @since 2.13.0
*/
export var chain = flatMap;
/**
* Alias of `flatMap`.
*
* @category legacy
* @since 2.13.0
*/
export var chainW = flatMap;
/**
* Alias of `tap`.
*
* @category legacy
* @since 2.13.0
*/
export var chainFirst = tap;
/**
* Alias of `tap`.
*
* @category legacy
* @since 2.13.0
*/
export var chainFirstW = tap;
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