fp-ts-rxjs/es6/Observable.js

var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
        function step(result) { result.done ? resolve(result.value) : new P(function (resolve) { resolve(result.value); }).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
var __generator = (this && this.__generator) || function (thisArg, body) {
    var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
    return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
    function verb(n) { return function (v) { return step([n, v]); }; }
    function step(op) {
        if (f) throw new TypeError("Generator is already executing.");
        while (_) try {
            if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
            if (y = 0, t) op = [op[0] & 2, t.value];
            switch (op[0]) {
                case 0: case 1: t = op; break;
                case 4: _.label++; return { value: op[1], done: false };
                case 5: _.label++; y = op[1]; op = [0]; continue;
                case 7: op = _.ops.pop(); _.trys.pop(); continue;
                default:
                    if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
                    if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
                    if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
                    if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
                    if (t[2]) _.ops.pop();
                    _.trys.pop(); continue;
            }
            op = body.call(thisArg, _);
        } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
        if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
    }
};
import * as E from 'fp-ts/es6/Either';
import { identity } from 'fp-ts/es6/function';
import * as O from 'fp-ts/es6/Option';
import { pipe, pipeable } from 'fp-ts/es6/pipeable';
import { combineLatest, EMPTY, merge, of as rxOf, defer } from 'rxjs';
import { map as rxMap, mergeMap } from 'rxjs/operators';
/**
 * @since 0.6.0
 */
export var URI = 'Observable';
/**
 * @since 0.6.0
 */
export function getMonoid() {
    return {
        concat: function (x, y) { return merge(x, y); },
        empty: EMPTY
    };
}
/**
 * @since 0.6.6
 */
export function of(a) {
    return rxOf(a);
}
/**
 * @since 0.6.5
 */
export function fromOption(o) {
    return O.isNone(o) ? EMPTY : of(o.value);
}
/**
 * @since 0.6.5
 */
export function fromIO(io) {
    var _this = this;
    return defer(function () { return __awaiter(_this, void 0, void 0, function () { return __generator(this, function (_a) {
        return [2 /*return*/, io()];
    }); }); });
}
/**
 * @since 0.6.5
 */
export function fromTask(t) {
    return defer(t);
}
/**
 * @since 0.6.5
 */
export function toTask(o) {
    return function () { return o.toPromise(); };
}
/**
 * @since 0.6.0
 */
export var observable = {
    URI: URI,
    map: function (fa, f) { return fa.pipe(rxMap(f)); },
    of: of,
    ap: function (fab, fa) { return combineLatest([fab, fa]).pipe(rxMap(function (_a) {
        var f = _a[0], a = _a[1];
        return f(a);
    })); },
    chain: function (fa, f) { return fa.pipe(mergeMap(f)); },
    zero: function () { return EMPTY; },
    alt: function (fx, f) { return merge(fx, f()); },
    compact: function (fa) { return observable.filterMap(fa, identity); },
    separate: function (fa) { return observable.partitionMap(fa, identity); },
    partitionMap: function (fa, f) { return ({
        left: observable.filterMap(fa, function (a) {
            return pipe(f(a), E.fold(O.some, function () { return O.none; }));
        }),
        right: observable.filterMap(fa, function (a) {
            return pipe(f(a), E.fold(function () { return O.none; }, O.some));
        })
    }); },
    partition: function (fa, p) { return observable.partitionMap(fa, E.fromPredicate(p, identity)); },
    filterMap: function (fa, f) {
        return fa.pipe(mergeMap(function (a) {
            return pipe(f(a), 
            // tslint:disable-next-line: deprecation
            O.fold(function () { return EMPTY; }, of));
        }));
    },
    filter: function (fa, p) { return observable.filterMap(fa, O.fromPredicate(p)); },
    fromIO: fromIO,
    fromTask: fromTask,
    fromObservable: identity
};
var _a = pipeable(observable), alt = _a.alt, ap = _a.ap, apFirst = _a.apFirst, apSecond = _a.apSecond, chain = _a.chain, chainFirst = _a.chainFirst, compact = _a.compact, filter = _a.filter, filterMap = _a.filterMap, flatten = _a.flatten, map = _a.map, partition = _a.partition, partitionMap = _a.partitionMap, separate = _a.separate;
export { 
/**
 * @since 0.6.0
 */
alt, 
/**
 * @since 0.6.0
 */
ap, 
/**
 * @since 0.6.0
 */
apFirst, 
/**
 * @since 0.6.0
 */
apSecond, 
/**
 * @since 0.6.0
 */
chain, 
/**
 * @since 0.6.0
 */
chainFirst, 
/**
 * @since 0.6.0
 */
compact, 
/**
 * @since 0.6.0
 */
filter, 
/**
 * @since 0.6.0
 */
filterMap, 
/**
 * @since 0.6.0
 */
flatten, 
/**
 * @since 0.6.0
 */
map, 
/**
 * @since 0.6.0
 */
partition, 
/**
 * @since 0.6.0
 */
partitionMap, 
/**
 * @since 0.6.0
 */
separate };