banboshi_V2/HalftoneWeb/node_modules/fp-ts/lib/State.js

"use strict";
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    __setModuleDefault(result, mod);
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Object.defineProperty(exports, "__esModule", { value: true });
exports.state = exports.execState = exports.evalState = exports.sequenceArray = exports.traverseArray = exports.traverseArrayWithIndex = exports.traverseReadonlyArrayWithIndex = exports.traverseReadonlyNonEmptyArrayWithIndex = exports.apS = exports.bind = exports.let = exports.bindTo = exports.execute = exports.evaluate = exports.FromState = exports.chainFirst = exports.Monad = exports.Chain = exports.Applicative = exports.apSecond = exports.apFirst = exports.Apply = exports.Pointed = exports.flap = exports.Functor = exports.URI = exports.flatten = exports.chain = exports.of = exports.ap = exports.map = exports.gets = exports.modify = exports.put = exports.get = void 0;
var Apply_1 = require("./Apply");
var Chain_1 = require("./Chain");
var function_1 = require("./function");
var Functor_1 = require("./Functor");
var _ = __importStar(require("./internal"));
// -------------------------------------------------------------------------------------
// constructors
// -------------------------------------------------------------------------------------
/**
 * Get the current state
 *
 * @category constructors
 * @since 2.0.0
 */
var get = function () { return function (s) { return [s, s]; }; };
exports.get = get;
/**
 * Set the state
 *
 * @category constructors
 * @since 2.0.0
 */
var put = function (s) { return function () { return [undefined, s]; }; };
exports.put = put;
/**
 * Modify the state by applying a function to the current state
 *
 * @category constructors
 * @since 2.0.0
 */
var modify = function (f) { return function (s) { return [undefined, f(s)]; }; };
exports.modify = modify;
/**
 * Get a value which depends on the current state
 *
 * @category constructors
 * @since 2.0.0
 */
var gets = function (f) { return function (s) { return [f(s), s]; }; };
exports.gets = gets;
/* istanbul ignore next */
var _map = function (fa, f) { return (0, function_1.pipe)(fa, (0, exports.map)(f)); };
/* istanbul ignore next */
var _ap = function (fab, fa) { return (0, function_1.pipe)(fab, (0, exports.ap)(fa)); };
/* istanbul ignore next */
var _chain = function (ma, f) { return (0, function_1.pipe)(ma, (0, exports.chain)(f)); };
/**
 * `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 2.0.0
 */
var map = function (f) { return function (fa) { return function (s1) {
    var _a = fa(s1), a = _a[0], s2 = _a[1];
    return [f(a), s2];
}; }; };
exports.map = map;
/**
 * @since 2.0.0
 */
var ap = function (fa) { return function (fab) { return function (s1) {
    var _a = fab(s1), f = _a[0], s2 = _a[1];
    var _b = fa(s2), a = _b[0], s3 = _b[1];
    return [f(a), s3];
}; }; };
exports.ap = ap;
/**
 * @category constructors
 * @since 2.0.0
 */
var of = function (a) { return function (s) { return [a, s]; }; };
exports.of = of;
/**
 * Composes computations in sequence, using the return value of one computation to determine the next computation.
 *
 * @category sequencing
 * @since 2.0.0
 */
var chain = function (f) { return function (ma) { return function (s1) {
    var _a = ma(s1), a = _a[0], s2 = _a[1];
    return f(a)(s2);
}; }; };
exports.chain = chain;
/**
 * @category sequencing
 * @since 2.0.0
 */
exports.flatten = (0, exports.chain)(function_1.identity);
/**
 * @category type lambdas
 * @since 2.0.0
 */
exports.URI = 'State';
/**
 * @category instances
 * @since 2.7.0
 */
exports.Functor = {
    URI: exports.URI,
    map: _map
};
/**
 * @category mapping
 * @since 2.10.0
 */
exports.flap = (0, Functor_1.flap)(exports.Functor);
/**
 * @category instances
 * @since 2.10.0
 */
exports.Pointed = {
    URI: exports.URI,
    of: exports.of
};
/**
 * @category instances
 * @since 2.10.0
 */
exports.Apply = {
    URI: exports.URI,
    map: _map,
    ap: _ap
};
/**
 * Combine two effectful actions, keeping only the result of the first.
 *
 * @since 2.0.0
 */
exports.apFirst = (0, Apply_1.apFirst)(exports.Apply);
/**
 * Combine two effectful actions, keeping only the result of the second.
 *
 * @since 2.0.0
 */
exports.apSecond = (0, Apply_1.apSecond)(exports.Apply);
/**
 * @category instances
 * @since 2.7.0
 */
exports.Applicative = {
    URI: exports.URI,
    map: _map,
    ap: _ap,
    of: exports.of
};
/**
 * @category instances
 * @since 2.10.0
 */
exports.Chain = {
    URI: exports.URI,
    map: _map,
    ap: _ap,
    chain: _chain
};
/**
 * @category instances
 * @since 2.7.0
 */
exports.Monad = {
    URI: exports.URI,
    map: _map,
    ap: _ap,
    of: exports.of,
    chain: _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 sequencing
 * @since 2.0.0
 */
exports.chainFirst = 
/*#__PURE__*/ (0, Chain_1.chainFirst)(exports.Chain);
/**
 * @category instances
 * @since 2.11.0
 */
exports.FromState = {
    URI: exports.URI,
    fromState: function_1.identity
};
// -------------------------------------------------------------------------------------
// utils
// -------------------------------------------------------------------------------------
/**
 * Run a computation in the `State` monad, discarding the final state
 *
 * @since 2.8.0
 */
var evaluate = function (s) {
    return function (ma) {
        return ma(s)[0];
    };
};
exports.evaluate = evaluate;
/**
 * Run a computation in the `State` monad discarding the result
 *
 * @since 2.8.0
 */
var execute = function (s) {
    return function (ma) {
        return ma(s)[1];
    };
};
exports.execute = execute;
// -------------------------------------------------------------------------------------
// do notation
// -------------------------------------------------------------------------------------
/**
 * @since 2.8.0
 */
exports.bindTo = (0, Functor_1.bindTo)(exports.Functor);
var let_ = /*#__PURE__*/ (0, Functor_1.let)(exports.Functor);
exports.let = let_;
/**
 * @since 2.8.0
 */
exports.bind = (0, Chain_1.bind)(exports.Chain);
// -------------------------------------------------------------------------------------
// pipeable sequence S
// -------------------------------------------------------------------------------------
/**
 * @since 2.8.0
 */
exports.apS = (0, Apply_1.apS)(exports.Apply);
// -------------------------------------------------------------------------------------
// array utils
// -------------------------------------------------------------------------------------
/**
 * Equivalent to `ReadonlyNonEmptyArray#traverseWithIndex(Applicative)`.
 *
 * @category traversing
 * @since 2.11.0
 */
var traverseReadonlyNonEmptyArrayWithIndex = function (f) {
    return function (as) {
        return function (s) {
            var _a = f(0, _.head(as))(s), b = _a[0], s2 = _a[1];
            var bs = [b];
            var out = s2;
            for (var i = 1; i < as.length; i++) {
                var _b = f(i, as[i])(out), b_1 = _b[0], s2_1 = _b[1];
                bs.push(b_1);
                out = s2_1;
            }
            return [bs, out];
        };
    };
};
exports.traverseReadonlyNonEmptyArrayWithIndex = traverseReadonlyNonEmptyArrayWithIndex;
/**
 * Equivalent to `ReadonlyArray#traverseWithIndex(Applicative)`.
 *
 * @category traversing
 * @since 2.11.0
 */
var traverseReadonlyArrayWithIndex = function (f) {
    var g = (0, exports.traverseReadonlyNonEmptyArrayWithIndex)(f);
    return function (as) { return (_.isNonEmpty(as) ? g(as) : (0, exports.of)(_.emptyReadonlyArray)); };
};
exports.traverseReadonlyArrayWithIndex = traverseReadonlyArrayWithIndex;
/**
 * Equivalent to `ReadonlyArray#traverseWithIndex(Applicative)`.
 *
 * @category traversing
 * @since 2.9.0
 */
exports.traverseArrayWithIndex = exports.traverseReadonlyArrayWithIndex;
/**
 * Equivalent to `ReadonlyArray#traverse(Applicative)`.
 *
 * @category traversing
 * @since 2.9.0
 */
var traverseArray = function (f) { return (0, exports.traverseReadonlyArrayWithIndex)(function (_, a) { return f(a); }); };
exports.traverseArray = traverseArray;
/**
 * Equivalent to `ReadonlyArray#sequence(Applicative)`.
 *
 * @category traversing
 * @since 2.9.0
 */
exports.sequenceArray = 
/*#__PURE__*/ (0, exports.traverseArray)(function_1.identity);
// -------------------------------------------------------------------------------------
// deprecated
// -------------------------------------------------------------------------------------
/**
 * Use [`evaluate`](#evaluate) instead
 *
 * @category zone of death
 * @since 2.0.0
 * @deprecated
 */
var evalState = function (ma, s) { return ma(s)[0]; };
exports.evalState = evalState;
/**
 * Use [`execute`](#execute) instead
 *
 * @category zone of death
 * @since 2.0.0
 * @deprecated
 */
var execState = function (ma, s) { return ma(s)[1]; };
exports.execState = execState;
/**
 * This instance is deprecated, use small, specific instances instead.
 * For example if a function needs a `Functor` instance, pass `S.Functor` instead of `S.state`
 * (where `S` is from `import S from 'fp-ts/State'`)
 *
 * @category zone of death
 * @since 2.0.0
 * @deprecated
 */
exports.state = exports.Monad;