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 = /*#__PURE__*/ 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) => F` 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(), * 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;