init component
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Robin COuret
350
node_modules/fp-ts/lib/ReadonlyTuple.js
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350
node_modules/fp-ts/lib/ReadonlyTuple.js
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"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.readonlyTuple = exports.Traversable = exports.Foldable = exports.Comonad = exports.Semigroupoid = exports.Bifunctor = exports.mapLeft = exports.map = exports.flap = exports.Functor = exports.URI = exports.sequence = exports.traverse = exports.reduceRight = exports.foldMap = exports.reduce = exports.duplicate = exports.extract = exports.extend = exports.compose = exports.mapSnd = exports.mapFst = exports.bimap = exports.swap = void 0;
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exports.fst = fst;
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exports.snd = snd;
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exports.getApply = getApply;
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exports.getApplicative = getApplicative;
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exports.getChain = getChain;
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exports.getMonad = getMonad;
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exports.getChainRec = getChainRec;
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var function_1 = require("./function");
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var Functor_1 = require("./Functor");
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// -------------------------------------------------------------------------------------
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// model
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// -------------------------------------------------------------------------------------
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/**
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* @since 2.5.0
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*/
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function fst(ea) {
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return ea[0];
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}
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/**
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* @since 2.5.0
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*/
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function snd(ea) {
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return ea[1];
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}
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/**
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* @since 2.5.0
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*/
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var swap = function (ea) { return [snd(ea), fst(ea)]; };
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exports.swap = swap;
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/**
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* @category instances
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* @since 2.5.0
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*/
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function getApply(S) {
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return {
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URI: exports.URI,
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_E: undefined,
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map: _map,
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ap: function (fab, fa) { return [fst(fab)(fst(fa)), S.concat(snd(fab), snd(fa))]; }
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};
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}
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var of = function (M) {
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return function (a) {
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return [a, M.empty];
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};
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};
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/**
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* @category instances
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* @since 2.5.0
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*/
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function getApplicative(M) {
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var A = getApply(M);
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return {
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URI: exports.URI,
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_E: undefined,
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map: _map,
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ap: A.ap,
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of: of(M)
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};
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}
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/**
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* @category instances
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* @since 2.5.0
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*/
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function getChain(S) {
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var A = getApply(S);
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return {
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URI: exports.URI,
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_E: undefined,
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map: _map,
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ap: A.ap,
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chain: function (ma, f) {
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var _a = f(fst(ma)), b = _a[0], s = _a[1];
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return [b, S.concat(snd(ma), s)];
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}
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};
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}
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/**
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* @category instances
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* @since 2.5.0
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*/
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function getMonad(M) {
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var C = getChain(M);
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return {
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URI: exports.URI,
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_E: undefined,
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map: _map,
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ap: C.ap,
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chain: C.chain,
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of: of(M)
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};
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}
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/**
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* @category instances
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* @since 2.5.0
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*/
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function getChainRec(M) {
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var chainRec = function (a, f) {
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var result = f(a);
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var acc = M.empty;
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var s = fst(result);
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while (s._tag === 'Left') {
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acc = M.concat(acc, snd(result));
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result = f(s.left);
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s = fst(result);
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}
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return [s.right, M.concat(acc, snd(result))];
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};
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var C = getChain(M);
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return {
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URI: exports.URI,
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_E: undefined,
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map: _map,
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ap: C.ap,
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chain: C.chain,
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chainRec: chainRec
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};
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}
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/* istanbul ignore next */
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var _compose = function (bc, ab) { return (0, function_1.pipe)(bc, (0, exports.compose)(ab)); };
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/* istanbul ignore next */
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var _map = function (fa, f) { return (0, function_1.pipe)(fa, (0, exports.mapFst)(f)); };
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/* istanbul ignore next */
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var _bimap = function (fa, f, g) { return (0, function_1.pipe)(fa, (0, exports.bimap)(f, g)); };
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/* istanbul ignore next */
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var _mapLeft = function (fa, f) { return (0, function_1.pipe)(fa, (0, exports.mapSnd)(f)); };
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/* istanbul ignore next */
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var _extend = function (wa, f) { return (0, function_1.pipe)(wa, (0, exports.extend)(f)); };
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/* istanbul ignore next */
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var _reduce = function (fa, b, f) { return (0, function_1.pipe)(fa, (0, exports.reduce)(b, f)); };
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/* istanbul ignore next */
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var _foldMap = function (M) {
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var foldMapM = (0, exports.foldMap)(M);
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return function (fa, f) { return (0, function_1.pipe)(fa, foldMapM(f)); };
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};
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/* istanbul ignore next */
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var _reduceRight = function (fa, b, f) { return (0, function_1.pipe)(fa, (0, exports.reduceRight)(b, f)); };
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/* istanbul ignore next */
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var _traverse = function (F) {
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var traverseF = (0, exports.traverse)(F);
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return function (ta, f) { return (0, function_1.pipe)(ta, traverseF(f)); };
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};
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/**
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* Map a pair of functions over the two type arguments of the bifunctor.
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*
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* @category mapping
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* @since 2.5.0
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*/
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var bimap = function (f, g) { return function (fa) { return [g(fst(fa)), f(snd(fa))]; }; };
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exports.bimap = bimap;
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/**
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* Map a function over the first component of a `ReadonlyTuple`.
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*
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* This is the `map` operation of the `Functor` instance.
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*
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* @category mapping
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* @since 2.10.0
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*/
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var mapFst = function (f) { return function (fa) {
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return [f(fst(fa)), snd(fa)];
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}; };
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exports.mapFst = mapFst;
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/**
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* Map a function over the second component of a `ReadonlyTuple`.
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*
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* This is the `mapLeft` operation of the `Bifunctor` instance.
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*
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* @category mapping
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* @since 2.10.0
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*/
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var mapSnd = function (f) { return function (fa) {
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return [fst(fa), f(snd(fa))];
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}; };
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exports.mapSnd = mapSnd;
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/**
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* @since 2.5.0
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*/
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var compose = function (ab) { return function (bc) {
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return [fst(bc), snd(ab)];
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}; };
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exports.compose = compose;
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/**
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* @since 2.5.0
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*/
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var extend = function (f) { return function (wa) {
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return [f(wa), snd(wa)];
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}; };
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exports.extend = extend;
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/**
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* @category Extract
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* @since 2.6.2
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*/
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exports.extract = fst;
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/**
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* @since 2.5.0
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*/
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exports.duplicate = (0, exports.extend)(function_1.identity);
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/**
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* @category folding
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* @since 2.5.0
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*/
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var reduce = function (b, f) { return function (fa) {
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return f(b, fst(fa));
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}; };
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exports.reduce = reduce;
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/**
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* @category folding
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* @since 2.5.0
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*/
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var foldMap = function () {
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return function (f) { return function (fa) { return f(fst(fa)); }; };
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};
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exports.foldMap = foldMap;
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/**
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* @category folding
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* @since 2.5.0
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*/
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var reduceRight = function (b, f) { return function (fa) {
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return f(fst(fa), b);
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}; };
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exports.reduceRight = reduceRight;
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/**
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* @category traversing
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* @since 2.6.3
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*/
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var traverse = function (F) {
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return function (f) { return function (ta) { return F.map(f(fst(ta)), function (b) { return [b, snd(ta)]; }); }; };
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};
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exports.traverse = traverse;
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/**
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* @category traversing
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* @since 2.6.3
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*/
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var sequence = function (F) {
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return function (fas) {
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return F.map(fst(fas), function (a) { return [a, snd(fas)]; });
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};
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};
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exports.sequence = sequence;
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/**
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* @category type lambdas
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* @since 2.5.0
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*/
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exports.URI = 'ReadonlyTuple';
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/**
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* @category instances
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* @since 2.7.0
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*/
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exports.Functor = {
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URI: exports.URI,
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map: _map
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};
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/**
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* @category mapping
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* @since 2.10.0
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*/
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exports.flap = (0, Functor_1.flap)(exports.Functor);
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/**
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* Alias of [`mapFst`](#mapfst).
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*
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* @category mapping
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* @since 2.5.0
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*/
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exports.map = exports.mapFst;
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/**
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* Alias of [`mapSnd`](#mapsnd).
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*
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* @category error handling
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* @since 2.5.0
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*/
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exports.mapLeft = exports.mapSnd;
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/**
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* @category instances
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* @since 2.7.0
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*/
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exports.Bifunctor = {
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URI: exports.URI,
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bimap: _bimap,
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mapLeft: _mapLeft
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};
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/**
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* @category instances
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* @since 2.7.0
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*/
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exports.Semigroupoid = {
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URI: exports.URI,
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compose: _compose
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};
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/**
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* @category instances
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* @since 2.7.0
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*/
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exports.Comonad = {
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URI: exports.URI,
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map: _map,
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extend: _extend,
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extract: exports.extract
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};
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/**
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* @category instances
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* @since 2.7.0
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*/
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exports.Foldable = {
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URI: exports.URI,
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reduce: _reduce,
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foldMap: _foldMap,
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reduceRight: _reduceRight
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};
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/**
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* @category instances
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* @since 2.7.0
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*/
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exports.Traversable = {
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URI: exports.URI,
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map: _map,
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reduce: _reduce,
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foldMap: _foldMap,
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reduceRight: _reduceRight,
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traverse: _traverse,
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sequence: exports.sequence
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};
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// -------------------------------------------------------------------------------------
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// deprecated
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// -------------------------------------------------------------------------------------
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/**
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* This instance is deprecated, use small, specific instances instead.
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* For example if a function needs a `Functor` instance, pass `RT.Functor` instead of `RT.readonlyTuple`
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* (where `RT` is from `import RT from 'fp-ts/ReadonlyTuple'`)
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*
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* @category zone of death
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* @since 2.5.0
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* @deprecated
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*/
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exports.readonlyTuple = {
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URI: exports.URI,
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compose: _compose,
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map: _map,
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bimap: _bimap,
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mapLeft: _mapLeft,
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extract: exports.extract,
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extend: _extend,
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reduce: _reduce,
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foldMap: _foldMap,
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reduceRight: _reduceRight,
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traverse: _traverse,
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sequence: exports.sequence
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};
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