Innovenergy_trunk/frontend/node_modules/fp-ts/lib/Reader.js

"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
exports.traverseArray = exports.traverseArrayWithIndex = exports.traverseReadonlyArrayWithIndex = exports.traverseReadonlyNonEmptyArrayWithIndex = exports.ApT = exports.apSW = exports.apS = exports.Do = exports.bindW = exports.bind = exports.let = exports.bindTo = exports.Choice = exports.Strong = exports.Category = exports.Profunctor = exports.chainFirstW = exports.chainFirst = exports.Monad = exports.Chain = exports.Applicative = exports.apSecondW = exports.apSecond = exports.apFirstW = exports.apFirst = exports.Apply = exports.Pointed = exports.flap = exports.Functor = exports.URI = exports.right = exports.left = exports.second = exports.first = exports.id = exports.promap = exports.compose = exports.flatten = exports.flattenW = exports.chain = exports.chainW = exports.of = exports.ap = exports.apW = exports.map = exports.asksReader = exports.asksReaderW = exports.local = exports.asks = exports.ask = void 0;
exports.getMonoid = exports.getSemigroup = exports.reader = exports.sequenceArray = void 0;
/**
 * The `Reader` monad (also called the Environment monad). Represents a computation, which can read values from a shared environment,
 * pass values from function to function, and execute sub-computations in a modified environment.
 * Using `Reader` monad for such computations is often clearer and easier than using the `State` monad.
 *
 * In this example the `Reader` monad provides access to variable bindings. `Bindings` are a map of `number` variables.
 * The variable count contains number of variables in the bindings. You can see how to run a `Reader` monad and retrieve
 * data from it, how to access the `Reader` data with `ask` and `asks`.
 *
 * @example
 * import { pipe } from 'fp-ts/function'
 * import * as O from 'fp-ts/Option'
 * import * as R from 'fp-ts/Reader'
 * import * as RR from 'fp-ts/ReadonlyRecord'
 *
 * interface Bindings extends RR.ReadonlyRecord<string, number> {}
 *
 * // The Reader monad, which implements this complicated check.
 * const isCountCorrect: R.Reader<Bindings, boolean> = pipe(
 *   R.Do,
 *   R.bind('count', () => R.asks(lookupVar('count'))),
 *   R.bind('bindings', () => R.ask()),
 *   R.map(({ count, bindings }) => count === RR.size(bindings))
 * )
 *
 * // The selector function to use with 'asks'.
 * // Returns value of the variable with specified name.
 * const lookupVar = (name: string) => (bindings: Bindings): number =>
 *   pipe(
 *     bindings,
 *     RR.lookup(name),
 *     O.getOrElse(() => 0)
 *   )
 *
 * const sampleBindings: Bindings = { count: 3, a: 1, b: 2 }
 *
 * assert.deepStrictEqual(isCountCorrect(sampleBindings), true)
 *
 * @since 2.0.0
 */
var Applicative_1 = require("./Applicative");
var Apply_1 = require("./Apply");
var Chain_1 = require("./Chain");
var E = __importStar(require("./Either"));
var function_1 = require("./function");
var Functor_1 = require("./Functor");
var _ = __importStar(require("./internal"));
// -------------------------------------------------------------------------------------
// constructors
// -------------------------------------------------------------------------------------
/**
 * Reads the current context
 *
 * @category constructors
 * @since 2.0.0
 */
var ask = function () { return function_1.identity; };
exports.ask = ask;
/**
 * Projects a value from the global context in a Reader
 *
 * @category constructors
 * @since 2.0.0
 */
exports.asks = function_1.identity;
// -------------------------------------------------------------------------------------
// combinators
// -------------------------------------------------------------------------------------
/**
 * Changes the value of the local context during the execution of the action `ma` (similar to `Contravariant`'s
 * `contramap`).
 *
 * @example
 * import { pipe } from 'fp-ts/function'
 * import * as R from 'fp-ts/Reader'
 * import * as string from 'fp-ts/string'
 *
 * const calculateContentLen: R.Reader<string, number> = pipe(
 *   R.Do,
 *   R.bind('content', () => R.ask<string>()),
 *   R.map(({ content }) => string.size(content))
 * )
 *
 * // Calls calculateContentLen after adding a prefix to the Reader content.
 * const calculateModifiedContentLen: R.Reader<string, number> = pipe(
 *   calculateContentLen,
 *   R.local((s) => 'Prefix ' + s)
 * )
 *
 * const s = '12345'
 *
 * assert.deepStrictEqual(
 *   "Modified 's' length: " + calculateModifiedContentLen(s) + '\n' + "Original 's' length: " + calculateContentLen(s),
 *   "Modified 's' length: 12\nOriginal 's' length: 5"
 * )
 *
 * @since 2.0.0
 */
var local = function (f) { return function (ma) { return function (r2) {
    return ma(f(r2));
}; }; };
exports.local = local;
/**
 * Less strict version of [`asksReader`](#asksreader).
 *
 * The `W` suffix (short for **W**idening) means that the environment types will be merged.
 *
 * @category constructors
 * @since 2.11.0
 */
var asksReaderW = function (f) {
    return function (r) {
        return f(r)(r);
    };
};
exports.asksReaderW = asksReaderW;
/**
 * Effectfully accesses the environment.
 *
 * @category constructors
 * @since 2.11.0
 */
exports.asksReader = exports.asksReaderW;
/* 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)); };
var _compose = function (bc, ab) { return (0, function_1.pipe)(bc, (0, exports.compose)(ab)); };
var _promap = function (fea, f, g) { return (0, function_1.pipe)(fea, (0, exports.promap)(f, g)); };
/**
 * `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 (r) { return f(fa(r)); }; }; };
exports.map = map;
/**
 * Less strict version of [`ap`](#ap).
 *
 * The `W` suffix (short for **W**idening) means that the environment types will be merged.
 *
 * @since 2.8.0
 */
var apW = function (fa) { return function (fab) { return function (r) {
    return fab(r)(fa(r));
}; }; };
exports.apW = apW;
/**
 * @since 2.0.0
 */
exports.ap = exports.apW;
/**
 * @category constructors
 * @since 2.0.0
 */
exports.of = function_1.constant;
/**
 * Less strict version of [`chain`](#chain).
 *
 * The `W` suffix (short for **W**idening) means that the environment types will be merged.
 *
 * @category sequencing
 * @since 2.6.0
 */
var chainW = function (f) { return function (fa) { return function (r) {
    return f(fa(r))(r);
}; }; };
exports.chainW = chainW;
/**
 * Composes computations in sequence, using the return value of one computation to determine the next computation.
 *
 * @category sequencing
 * @since 2.0.0
 */
exports.chain = exports.chainW;
/**
 * Less strict version of [`flatten`](#flatten).
 *
 * The `W` suffix (short for **W**idening) means that the environment types will be merged.
 *
 * @category sequencing
 * @since 2.11.0
 */
exports.flattenW = 
/*#__PURE__*/ (0, exports.chainW)(function_1.identity);
/**
 * @category sequencing
 * @since 2.0.0
 */
exports.flatten = exports.flattenW;
/**
 * @since 2.0.0
 */
var compose = function (ab) { return function (bc) { return (0, function_1.flow)(ab, bc); }; };
exports.compose = compose;
/**
 * @since 2.0.0
 */
var promap = function (f, g) { return function (fea) { return function (a) {
    return g(fea(f(a)));
}; }; };
exports.promap = promap;
/**
 * @category constructors
 * @since 2.0.0
 */
var id = function () { return function_1.identity; };
exports.id = id;
/**
 * @since 2.10.0
 */
var first = function (pab) {
    return function (_a) {
        var a = _a[0], c = _a[1];
        return [pab(a), c];
    };
};
exports.first = first;
/**
 * @since 2.10.0
 */
var second = function (pbc) {
    return function (_a) {
        var a = _a[0], b = _a[1];
        return [a, pbc(b)];
    };
};
exports.second = second;
/**
 * @since 2.10.0
 */
var left = function (pab) { return E.fold(function (a) { return _.left(pab(a)); }, E.right); };
exports.left = left;
/**
 * @since 2.10.0
 */
var right = function (pbc) { return E.fold(E.left, function (b) { return _.right(pbc(b)); }); };
exports.right = right;
/**
 * @category type lambdas
 * @since 2.0.0
 */
exports.URI = 'Reader';
/**
 * @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);
/**
 * Less strict version of [`apFirst`](#apfirst).
 *
 * The `W` suffix (short for **W**idening) means that the environment types will be merged.
 *
 * @since 2.12.0
 */
exports.apFirstW = exports.apFirst;
/**
 * Combine two effectful actions, keeping only the result of the second.
 *
 * @since 2.0.0
 */
exports.apSecond = (0, Apply_1.apSecond)(exports.Apply);
/**
 * Less strict version of [`apSecond`](#apsecond).
 *
 * The `W` suffix (short for **W**idening) means that the environment types will be merged.
 *
 * @since 2.12.0
 */
exports.apSecondW = exports.apSecond;
/**
 * @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,
    of: exports.of,
    ap: _ap,
    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);
/**
 * Less strict version of [`chainFirst`](#chainfirst).
 *
 * The `W` suffix (short for **W**idening) means that the environment types will be merged.
 *
 * @category sequencing
 * @since 2.11.0
 */
exports.chainFirstW = exports.chainFirst;
/**
 * @category instances
 * @since 2.7.0
 */
exports.Profunctor = {
    URI: exports.URI,
    map: _map,
    promap: _promap
};
/**
 * @category instances
 * @since 2.7.0
 */
exports.Category = {
    URI: exports.URI,
    compose: _compose,
    id: exports.id
};
/**
 * @category instances
 * @since 2.8.3
 */
exports.Strong = {
    URI: exports.URI,
    map: _map,
    promap: _promap,
    first: exports.first,
    second: exports.second
};
/**
 * @category instances
 * @since 2.8.3
 */
exports.Choice = {
    URI: exports.URI,
    map: _map,
    promap: _promap,
    left: exports.left,
    right: exports.right
};
// -------------------------------------------------------------------------------------
// do notation
// -------------------------------------------------------------------------------------
/**
 * @category 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_;
/**
 * @category do notation
 * @since 2.8.0
 */
exports.bind = (0, Chain_1.bind)(exports.Chain);
/**
 * The `W` suffix (short for **W**idening) means that the environment types will be merged.
 *
 * @category do notation
 * @since 2.8.0
 */
exports.bindW = exports.bind;
/**
 * @category do notation
 * @since 2.9.0
 */
exports.Do = (0, exports.of)(_.emptyRecord);
/**
 * @category do notation
 * @since 2.8.0
 */
exports.apS = (0, Apply_1.apS)(exports.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 2.8.0
 */
exports.apSW = exports.apS;
/**
 * @since 2.11.0
 */
exports.ApT = (0, exports.of)(_.emptyReadonlyArray);
// -------------------------------------------------------------------------------------
// array utils
// -------------------------------------------------------------------------------------
/**
 * Equivalent to `ReadonlyNonEmptyArray#traverseWithIndex(Applicative)`.
 *
 * @category traversing
 * @since 2.11.0
 */
var traverseReadonlyNonEmptyArrayWithIndex = function (f) {
    return function (as) {
        return function (r) {
            var out = [f(0, _.head(as))(r)];
            for (var i = 1; i < as.length; i++) {
                out.push(f(i, as[i])(r));
            }
            return 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) : exports.ApT); };
};
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
// -------------------------------------------------------------------------------------
/**
 * This instance is deprecated, use small, specific instances instead.
 * For example if a function needs a `Functor` instance, pass `R.Functor` instead of `R.reader`
 * (where `R` is from `import R from 'fp-ts/Reader'`)
 *
 * @category zone of death
 * @since 2.0.0
 * @deprecated
 */
exports.reader = {
    URI: exports.URI,
    map: _map,
    of: exports.of,
    ap: _ap,
    chain: _chain,
    promap: _promap,
    compose: _compose,
    id: exports.id,
    first: exports.first,
    second: exports.second,
    left: exports.left,
    right: exports.right
};
/**
 * Use [`getApplySemigroup`](./Apply.ts.html#getapplysemigroup) instead.
 *
 * @category zone of death
 * @since 2.0.0
 * @deprecated
 */
exports.getSemigroup = (0, Apply_1.getApplySemigroup)(exports.Apply);
/**
 * Use [`getApplicativeMonoid`](./Applicative.ts.html#getapplicativemonoid) instead.
 *
 * @category zone of death
 * @since 2.0.0
 * @deprecated
 */
exports.getMonoid = (0, Applicative_1.getApplicativeMonoid)(exports.Applicative);