@boneskull/unexpected-rxjs
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RxJS Assertions for Unexpected
1,029 lines (970 loc) • 42.1 kB
JavaScript
(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
typeof define === 'function' && define.amd ? define(factory) :
(global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.unexpectedRxjs = factory());
}(this, (function () { 'use strict';
/*! *****************************************************************************
Copyright (c) Microsoft Corporation.
Permission to use, copy, modify, and/or distribute this software for any
purpose with or without fee is hereby granted.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
PERFORMANCE OF THIS SOFTWARE.
***************************************************************************** */
/* global Reflect, Promise */
var extendStatics = function(d, b) {
extendStatics = Object.setPrototypeOf ||
({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
return extendStatics(d, b);
};
function __extends(d, b) {
if (typeof b !== "function" && b !== null)
throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
extendStatics(d, b);
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
}
function __awaiter(thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
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) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
}
function __generator(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 };
}
}
function __values(o) {
var s = typeof Symbol === "function" && Symbol.iterator, m = s && o[s], i = 0;
if (m) return m.call(o);
if (o && typeof o.length === "number") return {
next: function () {
if (o && i >= o.length) o = void 0;
return { value: o && o[i++], done: !o };
}
};
throw new TypeError(s ? "Object is not iterable." : "Symbol.iterator is not defined.");
}
function __read(o, n) {
var m = typeof Symbol === "function" && o[Symbol.iterator];
if (!m) return o;
var i = m.call(o), r, ar = [], e;
try {
while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);
}
catch (error) { e = { error: error }; }
finally {
try {
if (r && !r.done && (m = i["return"])) m.call(i);
}
finally { if (e) throw e.error; }
}
return ar;
}
function __spreadArray(to, from) {
for (var i = 0, il = from.length, j = to.length; i < il; i++, j++)
to[j] = from[i];
return to;
}
function __await(v) {
return this instanceof __await ? (this.v = v, this) : new __await(v);
}
function __asyncGenerator(thisArg, _arguments, generator) {
if (!Symbol.asyncIterator) throw new TypeError("Symbol.asyncIterator is not defined.");
var g = generator.apply(thisArg, _arguments || []), i, q = [];
return i = {}, verb("next"), verb("throw"), verb("return"), i[Symbol.asyncIterator] = function () { return this; }, i;
function verb(n) { if (g[n]) i[n] = function (v) { return new Promise(function (a, b) { q.push([n, v, a, b]) > 1 || resume(n, v); }); }; }
function resume(n, v) { try { step(g[n](v)); } catch (e) { settle(q[0][3], e); } }
function step(r) { r.value instanceof __await ? Promise.resolve(r.value.v).then(fulfill, reject) : settle(q[0][2], r); }
function fulfill(value) { resume("next", value); }
function reject(value) { resume("throw", value); }
function settle(f, v) { if (f(v), q.shift(), q.length) resume(q[0][0], q[0][1]); }
}
function __asyncValues(o) {
if (!Symbol.asyncIterator) throw new TypeError("Symbol.asyncIterator is not defined.");
var m = o[Symbol.asyncIterator], i;
return m ? m.call(o) : (o = typeof __values === "function" ? __values(o) : o[Symbol.iterator](), i = {}, verb("next"), verb("throw"), verb("return"), i[Symbol.asyncIterator] = function () { return this; }, i);
function verb(n) { i[n] = o[n] && function (v) { return new Promise(function (resolve, reject) { v = o[n](v), settle(resolve, reject, v.done, v.value); }); }; }
function settle(resolve, reject, d, v) { Promise.resolve(v).then(function(v) { resolve({ value: v, done: d }); }, reject); }
}
function isFunction(value) {
return typeof value === 'function';
}
function createErrorClass(createImpl) {
var _super = function (instance) {
Error.call(instance);
instance.stack = new Error().stack;
};
var ctorFunc = createImpl(_super);
ctorFunc.prototype = Object.create(Error.prototype);
ctorFunc.prototype.constructor = ctorFunc;
return ctorFunc;
}
var UnsubscriptionError = createErrorClass(function (_super) {
return function UnsubscriptionErrorImpl(errors) {
_super(this);
this.message = errors
? errors.length + " errors occurred during unsubscription:\n" + errors.map(function (err, i) { return i + 1 + ") " + err.toString(); }).join('\n ')
: '';
this.name = 'UnsubscriptionError';
this.errors = errors;
};
});
function arrRemove(arr, item) {
if (arr) {
var index = arr.indexOf(item);
0 <= index && arr.splice(index, 1);
}
}
var Subscription = (function () {
function Subscription(initialTeardown) {
this.initialTeardown = initialTeardown;
this.closed = false;
this._parentage = null;
this._teardowns = null;
}
Subscription.prototype.unsubscribe = function () {
var e_1, _a, e_2, _b;
var errors;
if (!this.closed) {
this.closed = true;
var _parentage = this._parentage;
if (_parentage) {
this._parentage = null;
if (Array.isArray(_parentage)) {
try {
for (var _parentage_1 = __values(_parentage), _parentage_1_1 = _parentage_1.next(); !_parentage_1_1.done; _parentage_1_1 = _parentage_1.next()) {
var parent_1 = _parentage_1_1.value;
parent_1.remove(this);
}
}
catch (e_1_1) { e_1 = { error: e_1_1 }; }
finally {
try {
if (_parentage_1_1 && !_parentage_1_1.done && (_a = _parentage_1.return)) _a.call(_parentage_1);
}
finally { if (e_1) throw e_1.error; }
}
}
else {
_parentage.remove(this);
}
}
var initialTeardown = this.initialTeardown;
if (isFunction(initialTeardown)) {
try {
initialTeardown();
}
catch (e) {
errors = e instanceof UnsubscriptionError ? e.errors : [e];
}
}
var _teardowns = this._teardowns;
if (_teardowns) {
this._teardowns = null;
try {
for (var _teardowns_1 = __values(_teardowns), _teardowns_1_1 = _teardowns_1.next(); !_teardowns_1_1.done; _teardowns_1_1 = _teardowns_1.next()) {
var teardown_1 = _teardowns_1_1.value;
try {
execTeardown(teardown_1);
}
catch (err) {
errors = errors !== null && errors !== void 0 ? errors : [];
if (err instanceof UnsubscriptionError) {
errors = __spreadArray(__spreadArray([], __read(errors)), __read(err.errors));
}
else {
errors.push(err);
}
}
}
}
catch (e_2_1) { e_2 = { error: e_2_1 }; }
finally {
try {
if (_teardowns_1_1 && !_teardowns_1_1.done && (_b = _teardowns_1.return)) _b.call(_teardowns_1);
}
finally { if (e_2) throw e_2.error; }
}
}
if (errors) {
throw new UnsubscriptionError(errors);
}
}
};
Subscription.prototype.add = function (teardown) {
var _a;
if (teardown && teardown !== this) {
if (this.closed) {
execTeardown(teardown);
}
else {
if (teardown instanceof Subscription) {
if (teardown.closed || teardown._hasParent(this)) {
return;
}
teardown._addParent(this);
}
(this._teardowns = (_a = this._teardowns) !== null && _a !== void 0 ? _a : []).push(teardown);
}
}
};
Subscription.prototype._hasParent = function (parent) {
var _parentage = this._parentage;
return _parentage === parent || (Array.isArray(_parentage) && _parentage.includes(parent));
};
Subscription.prototype._addParent = function (parent) {
var _parentage = this._parentage;
this._parentage = Array.isArray(_parentage) ? (_parentage.push(parent), _parentage) : _parentage ? [_parentage, parent] : parent;
};
Subscription.prototype._removeParent = function (parent) {
var _parentage = this._parentage;
if (_parentage === parent) {
this._parentage = null;
}
else if (Array.isArray(_parentage)) {
arrRemove(_parentage, parent);
}
};
Subscription.prototype.remove = function (teardown) {
var _teardowns = this._teardowns;
_teardowns && arrRemove(_teardowns, teardown);
if (teardown instanceof Subscription) {
teardown._removeParent(this);
}
};
Subscription.EMPTY = (function () {
var empty = new Subscription();
empty.closed = true;
return empty;
})();
return Subscription;
}());
function isSubscription(value) {
return (value instanceof Subscription ||
(value && 'closed' in value && isFunction(value.remove) && isFunction(value.add) && isFunction(value.unsubscribe)));
}
function execTeardown(teardown) {
if (isFunction(teardown)) {
teardown();
}
else {
teardown.unsubscribe();
}
}
var config = {
onUnhandledError: null,
onStoppedNotification: null,
Promise: undefined,
useDeprecatedSynchronousErrorHandling: false,
useDeprecatedNextContext: false,
};
var timeoutProvider = {
setTimeout: function () {
var args = [];
for (var _i = 0; _i < arguments.length; _i++) {
args[_i] = arguments[_i];
}
return (setTimeout).apply(void 0, __spreadArray([], __read(args)));
},
clearTimeout: function (handle) {
return (clearTimeout)(handle);
},
delegate: undefined,
};
function reportUnhandledError(err) {
timeoutProvider.setTimeout(function () {
{
throw err;
}
});
}
function noop() { }
var Subscriber = (function (_super) {
__extends(Subscriber, _super);
function Subscriber(destination) {
var _this = _super.call(this) || this;
_this.isStopped = false;
if (destination) {
_this.destination = destination;
if (isSubscription(destination)) {
destination.add(_this);
}
}
else {
_this.destination = EMPTY_OBSERVER;
}
return _this;
}
Subscriber.create = function (next, error, complete) {
return new SafeSubscriber(next, error, complete);
};
Subscriber.prototype.next = function (value) {
if (this.isStopped) ;
else {
this._next(value);
}
};
Subscriber.prototype.error = function (err) {
if (this.isStopped) ;
else {
this.isStopped = true;
this._error(err);
}
};
Subscriber.prototype.complete = function () {
if (this.isStopped) ;
else {
this.isStopped = true;
this._complete();
}
};
Subscriber.prototype.unsubscribe = function () {
if (!this.closed) {
this.isStopped = true;
_super.prototype.unsubscribe.call(this);
this.destination = null;
}
};
Subscriber.prototype._next = function (value) {
this.destination.next(value);
};
Subscriber.prototype._error = function (err) {
try {
this.destination.error(err);
}
finally {
this.unsubscribe();
}
};
Subscriber.prototype._complete = function () {
try {
this.destination.complete();
}
finally {
this.unsubscribe();
}
};
return Subscriber;
}(Subscription));
var SafeSubscriber = (function (_super) {
__extends(SafeSubscriber, _super);
function SafeSubscriber(observerOrNext, error, complete) {
var _this = _super.call(this) || this;
var next;
if (isFunction(observerOrNext)) {
next = observerOrNext;
}
else if (observerOrNext) {
(next = observerOrNext.next, error = observerOrNext.error, complete = observerOrNext.complete);
var context_1;
if (_this && config.useDeprecatedNextContext) {
context_1 = Object.create(observerOrNext);
context_1.unsubscribe = function () { return _this.unsubscribe(); };
}
else {
context_1 = observerOrNext;
}
next = next === null || next === void 0 ? void 0 : next.bind(context_1);
error = error === null || error === void 0 ? void 0 : error.bind(context_1);
complete = complete === null || complete === void 0 ? void 0 : complete.bind(context_1);
}
_this.destination = {
next: next ? wrapForErrorHandling(next) : noop,
error: wrapForErrorHandling(error !== null && error !== void 0 ? error : defaultErrorHandler),
complete: complete ? wrapForErrorHandling(complete) : noop,
};
return _this;
}
return SafeSubscriber;
}(Subscriber));
function wrapForErrorHandling(handler, instance) {
return function () {
var args = [];
for (var _i = 0; _i < arguments.length; _i++) {
args[_i] = arguments[_i];
}
try {
handler.apply(void 0, __spreadArray([], __read(args)));
}
catch (err) {
{
reportUnhandledError(err);
}
}
};
}
function defaultErrorHandler(err) {
throw err;
}
var EMPTY_OBSERVER = {
closed: true,
next: noop,
error: defaultErrorHandler,
complete: noop,
};
var observable = (function () { return (typeof Symbol === 'function' && Symbol.observable) || '@@observable'; })();
function identity(x) {
return x;
}
function pipeFromArray(fns) {
if (fns.length === 0) {
return identity;
}
if (fns.length === 1) {
return fns[0];
}
return function piped(input) {
return fns.reduce(function (prev, fn) { return fn(prev); }, input);
};
}
var Observable = (function () {
function Observable(subscribe) {
if (subscribe) {
this._subscribe = subscribe;
}
}
Observable.prototype.lift = function (operator) {
var observable = new Observable();
observable.source = this;
observable.operator = operator;
return observable;
};
Observable.prototype.subscribe = function (observerOrNext, error, complete) {
var subscriber = isSubscriber(observerOrNext) ? observerOrNext : new SafeSubscriber(observerOrNext, error, complete);
{
var _a = this, operator = _a.operator, source = _a.source;
subscriber.add(operator
?
operator.call(subscriber, source)
: source
?
this._subscribe(subscriber)
:
this._trySubscribe(subscriber));
}
return subscriber;
};
Observable.prototype._deprecatedSyncErrorSubscribe = function (subscriber) {
var localSubscriber = subscriber;
localSubscriber._syncErrorHack_isSubscribing = true;
var operator = this.operator;
if (operator) {
subscriber.add(operator.call(subscriber, this.source));
}
else {
try {
subscriber.add(this._subscribe(subscriber));
}
catch (err) {
localSubscriber.__syncError = err;
}
}
var dest = localSubscriber;
while (dest) {
if ('__syncError' in dest) {
try {
throw dest.__syncError;
}
finally {
subscriber.unsubscribe();
}
}
dest = dest.destination;
}
localSubscriber._syncErrorHack_isSubscribing = false;
};
Observable.prototype._trySubscribe = function (sink) {
try {
return this._subscribe(sink);
}
catch (err) {
sink.error(err);
}
};
Observable.prototype.forEach = function (next, promiseCtor) {
var _this = this;
promiseCtor = getPromiseCtor(promiseCtor);
return new promiseCtor(function (resolve, reject) {
var subscription;
subscription = _this.subscribe(function (value) {
try {
next(value);
}
catch (err) {
reject(err);
subscription === null || subscription === void 0 ? void 0 : subscription.unsubscribe();
}
}, reject, resolve);
});
};
Observable.prototype._subscribe = function (subscriber) {
var _a;
return (_a = this.source) === null || _a === void 0 ? void 0 : _a.subscribe(subscriber);
};
Observable.prototype[observable] = function () {
return this;
};
Observable.prototype.pipe = function () {
var operations = [];
for (var _i = 0; _i < arguments.length; _i++) {
operations[_i] = arguments[_i];
}
return operations.length ? pipeFromArray(operations)(this) : this;
};
Observable.prototype.toPromise = function (promiseCtor) {
var _this = this;
promiseCtor = getPromiseCtor(promiseCtor);
return new promiseCtor(function (resolve, reject) {
var value;
_this.subscribe(function (x) { return (value = x); }, function (err) { return reject(err); }, function () { return resolve(value); });
});
};
Observable.create = function (subscribe) {
return new Observable(subscribe);
};
return Observable;
}());
function getPromiseCtor(promiseCtor) {
var _a;
return (_a = promiseCtor !== null && promiseCtor !== void 0 ? promiseCtor : config.Promise) !== null && _a !== void 0 ? _a : Promise;
}
function isObserver(value) {
return value && isFunction(value.next) && isFunction(value.error) && isFunction(value.complete);
}
function isSubscriber(value) {
return (value && value instanceof Subscriber) || (isObserver(value) && isSubscription(value));
}
function hasLift(source) {
return isFunction(source === null || source === void 0 ? void 0 : source.lift);
}
function operate(init) {
return function (source) {
if (hasLift(source)) {
return source.lift(function (liftedSource) {
try {
return init(liftedSource, this);
}
catch (err) {
this.error(err);
}
});
}
throw new TypeError('Unable to lift unknown Observable type');
};
}
var OperatorSubscriber = (function (_super) {
__extends(OperatorSubscriber, _super);
function OperatorSubscriber(destination, onNext, onComplete, onError, onFinalize) {
var _this = _super.call(this, destination) || this;
_this.onFinalize = onFinalize;
_this._next = onNext
? function (value) {
try {
onNext(value);
}
catch (err) {
destination.error(err);
}
}
: _super.prototype._next;
_this._error = onError
? function (err) {
try {
onError(err);
}
catch (err) {
destination.error(err);
}
finally {
this.unsubscribe();
}
}
: _super.prototype._error;
_this._complete = onComplete
? function () {
try {
onComplete();
}
catch (err) {
destination.error(err);
}
finally {
this.unsubscribe();
}
}
: _super.prototype._complete;
return _this;
}
OperatorSubscriber.prototype.unsubscribe = function () {
var _a;
var closed = this.closed;
_super.prototype.unsubscribe.call(this);
!closed && ((_a = this.onFinalize) === null || _a === void 0 ? void 0 : _a.call(this));
};
return OperatorSubscriber;
}(Subscriber));
var EMPTY = new Observable(function (subscriber) { return subscriber.complete(); });
var isArrayLike = (function (x) { return x && typeof x.length === 'number' && typeof x !== 'function'; });
function isPromise(value) {
return isFunction(value === null || value === void 0 ? void 0 : value.then);
}
function getSymbolIterator() {
if (typeof Symbol !== 'function' || !Symbol.iterator) {
return '@@iterator';
}
return Symbol.iterator;
}
var iterator = getSymbolIterator();
function isInteropObservable(input) {
return isFunction(input[observable]);
}
function isIterable(input) {
return isFunction(input === null || input === void 0 ? void 0 : input[iterator]);
}
function isAsyncIterable(obj) {
return Symbol.asyncIterator && isFunction(obj === null || obj === void 0 ? void 0 : obj[Symbol.asyncIterator]);
}
function createInvalidObservableTypeError(input) {
return new TypeError("You provided " + (input !== null && typeof input === 'object' ? 'an invalid object' : "'" + input + "'") + " where a stream was expected. You can provide an Observable, Promise, ReadableStream, Array, AsyncIterable, or Iterable.");
}
function readableStreamLikeToAsyncGenerator(readableStream) {
return __asyncGenerator(this, arguments, function readableStreamLikeToAsyncGenerator_1() {
var reader, _a, value, done;
return __generator(this, function (_b) {
switch (_b.label) {
case 0:
reader = readableStream.getReader();
_b.label = 1;
case 1:
_b.trys.push([1, , 9, 10]);
_b.label = 2;
case 2:
return [4, __await(reader.read())];
case 3:
_a = _b.sent(), value = _a.value, done = _a.done;
if (!done) return [3, 5];
return [4, __await(void 0)];
case 4: return [2, _b.sent()];
case 5: return [4, __await(value)];
case 6: return [4, _b.sent()];
case 7:
_b.sent();
return [3, 2];
case 8: return [3, 10];
case 9:
reader.releaseLock();
return [7];
case 10: return [2];
}
});
});
}
function isReadableStreamLike(obj) {
return isFunction(obj === null || obj === void 0 ? void 0 : obj.getReader);
}
function innerFrom(input) {
if (input instanceof Observable) {
return input;
}
if (input != null) {
if (isInteropObservable(input)) {
return fromInteropObservable(input);
}
if (isArrayLike(input)) {
return fromArrayLike(input);
}
if (isPromise(input)) {
return fromPromise(input);
}
if (isAsyncIterable(input)) {
return fromAsyncIterable(input);
}
if (isIterable(input)) {
return fromIterable(input);
}
if (isReadableStreamLike(input)) {
return fromReadableStreamLike(input);
}
}
throw createInvalidObservableTypeError(input);
}
function fromInteropObservable(obj) {
return new Observable(function (subscriber) {
var obs = obj[observable]();
if (isFunction(obs.subscribe)) {
return obs.subscribe(subscriber);
}
throw new TypeError('Provided object does not correctly implement Symbol.observable');
});
}
function fromArrayLike(array) {
return new Observable(function (subscriber) {
for (var i = 0; i < array.length && !subscriber.closed; i++) {
subscriber.next(array[i]);
}
subscriber.complete();
});
}
function fromPromise(promise) {
return new Observable(function (subscriber) {
promise
.then(function (value) {
if (!subscriber.closed) {
subscriber.next(value);
subscriber.complete();
}
}, function (err) { return subscriber.error(err); })
.then(null, reportUnhandledError);
});
}
function fromIterable(iterable) {
return new Observable(function (subscriber) {
var e_1, _a;
try {
for (var iterable_1 = __values(iterable), iterable_1_1 = iterable_1.next(); !iterable_1_1.done; iterable_1_1 = iterable_1.next()) {
var value = iterable_1_1.value;
subscriber.next(value);
if (subscriber.closed) {
return;
}
}
}
catch (e_1_1) { e_1 = { error: e_1_1 }; }
finally {
try {
if (iterable_1_1 && !iterable_1_1.done && (_a = iterable_1.return)) _a.call(iterable_1);
}
finally { if (e_1) throw e_1.error; }
}
subscriber.complete();
});
}
function fromAsyncIterable(asyncIterable) {
return new Observable(function (subscriber) {
process(asyncIterable, subscriber).catch(function (err) { return subscriber.error(err); });
});
}
function fromReadableStreamLike(readableStream) {
return fromAsyncIterable(readableStreamLikeToAsyncGenerator(readableStream));
}
function process(asyncIterable, subscriber) {
var asyncIterable_1, asyncIterable_1_1;
var e_2, _a;
return __awaiter(this, void 0, void 0, function () {
var value, e_2_1;
return __generator(this, function (_b) {
switch (_b.label) {
case 0:
_b.trys.push([0, 5, 6, 11]);
asyncIterable_1 = __asyncValues(asyncIterable);
_b.label = 1;
case 1: return [4, asyncIterable_1.next()];
case 2:
if (!(asyncIterable_1_1 = _b.sent(), !asyncIterable_1_1.done)) return [3, 4];
value = asyncIterable_1_1.value;
subscriber.next(value);
if (subscriber.closed) {
return [2];
}
_b.label = 3;
case 3: return [3, 1];
case 4: return [3, 11];
case 5:
e_2_1 = _b.sent();
e_2 = { error: e_2_1 };
return [3, 11];
case 6:
_b.trys.push([6, , 9, 10]);
if (!(asyncIterable_1_1 && !asyncIterable_1_1.done && (_a = asyncIterable_1.return))) return [3, 8];
return [4, _a.call(asyncIterable_1)];
case 7:
_b.sent();
_b.label = 8;
case 8: return [3, 10];
case 9:
if (e_2) throw e_2.error;
return [7];
case 10: return [7];
case 11:
subscriber.complete();
return [2];
}
});
});
}
function throwError(errorOrErrorFactory, scheduler) {
var errorFactory = isFunction(errorOrErrorFactory) ? errorOrErrorFactory : function () { return errorOrErrorFactory; };
var init = function (subscriber) { return subscriber.error(errorFactory()); };
return new Observable(scheduler ? function (subscriber) { return scheduler.schedule(init, 0, subscriber); } : init);
}
function isObservable(obj) {
return !!obj && (obj instanceof Observable || (isFunction(obj.lift) && isFunction(obj.subscribe)));
}
function defer(observableFactory) {
return new Observable(function (subscriber) {
innerFrom(observableFactory()).subscribe(subscriber);
});
}
function iif(condition, trueResult, falseResult) {
return defer(function () { return (condition() ? trueResult : falseResult); });
}
function filter(predicate, thisArg) {
return operate(function (source, subscriber) {
var index = 0;
source.subscribe(new OperatorSubscriber(subscriber, function (value) { return predicate.call(thisArg, value, index++) && subscriber.next(value); }));
});
}
function scanInternals(accumulator, seed, hasSeed, emitOnNext, emitBeforeComplete) {
return function (source, subscriber) {
var hasState = hasSeed;
var state = seed;
var index = 0;
source.subscribe(new OperatorSubscriber(subscriber, function (value) {
var i = index++;
state = hasState
?
accumulator(state, value, i)
:
((hasState = true), value);
emitOnNext && subscriber.next(state);
}, emitBeforeComplete &&
(function () {
hasState && subscriber.next(state);
subscriber.complete();
})));
};
}
function reduce(accumulator, seed) {
return operate(scanInternals(accumulator, seed, arguments.length >= 2, false, true));
}
var arrReducer = function (arr, value) { return (arr.push(value), arr); };
function toArray() {
return operate(function (source, subscriber) {
reduce(arrReducer, [])(source).subscribe(subscriber);
});
}
function count(predicate) {
return reduce(function (total, value, i) { return (!predicate || predicate(value, i) ? total + 1 : total); }, 0);
}
function switchMap(project, resultSelector) {
return operate(function (source, subscriber) {
var innerSubscriber = null;
var index = 0;
var isComplete = false;
var checkComplete = function () { return isComplete && !innerSubscriber && subscriber.complete(); };
source.subscribe(new OperatorSubscriber(subscriber, function (value) {
innerSubscriber === null || innerSubscriber === void 0 ? void 0 : innerSubscriber.unsubscribe();
var innerIndex = 0;
var outerIndex = index++;
innerFrom(project(value, outerIndex)).subscribe((innerSubscriber = new OperatorSubscriber(subscriber, function (innerValue) { return subscriber.next(resultSelector ? resultSelector(value, innerValue, outerIndex, innerIndex++) : innerValue); }, function () {
innerSubscriber = null;
checkComplete();
})));
}, function () {
isComplete = true;
checkComplete();
}));
});
}
var version = "0.3.0";
const toPromise = observable => observable.pipe(toArray()).toPromise();
var unexpectedRxjs = {
name: 'unexpected-rxjs',
version,
installInto(expect) {
expect.addType({
base: 'object',
name: 'Observable',
identify: isObservable
});
expect.addAssertion('<Observable> to complete', (expect, observable) => {
expect.errorMode = 'bubble';
return expect(toPromise(observable), 'to be fulfilled');
});
expect.addAssertion('<Observable> [not] to emit (value|values) <any?>', (expect, observable, any) => {
expect.errorMode = 'bubble';
return expect(observable.pipe(filter(value => typeof any === 'undefined' || expect.equal(value, any)), count(), switchMap(count => iif(() => count, EMPTY, throwError()))).toPromise(), expect.flags.not ? 'to be rejected' : 'to be fulfilled');
});
expect.addAssertion('<Observable> [not] to emit times <number>', (expect, observable, count) => {
expect.errorMode = 'bubble';
return expect(observable.pipe(toArray()).toPromise(), 'when fulfilled', '[not] to have length', count);
});
expect.addAssertion('<Observable> [not] to emit once', (expect, observable) => {
return expect(observable, '[not] to emit times', 1);
});
expect.addAssertion('<Observable> [not] to emit twice', (expect, observable) => {
return expect(observable, '[not] to emit times', 2);
});
expect.addAssertion('<Observable> [not] to emit thrice', (expect, observable) => {
return expect(observable, '[not] to emit times', 3);
});
expect.addAssertion('<Observable> to emit error <any?>', (expect, observable, any) => {
expect.errorMode = 'bubble';
const promise = observable.toPromise();
if (any) {
return expect(promise, 'to be rejected with', any);
}
return expect(promise, 'to be rejected');
});
expect.addAssertion('<Observable> to emit error [exhaustively] satisfying <any>', (expect, observable, any) => {
expect.errorMode = 'bubble';
return expect(observable.toPromise(), 'to be rejected with error [exhaustively] satisfying', any);
});
expect.addAssertion('<Observable> [not] to complete with (values|value) <any+>', (expect, observable, ...any) => {
expect.errorMode = 'bubble';
return expect(toPromise(observable), 'when fulfilled', '[not] to contain', ...any);
});
expect.addAssertion('<Observable> [not] to complete with (value|values) [exhaustively] satisfying <any+>', async (expect, observable, ...any) => {
expect.errorMode = 'bubble';
const promise = toPromise(observable);
const resolved = await expect.promise.all(any.map(async expected => ({
actual: await promise,
expected
})));
return resolved.forEach(({
actual,
expected
}) => {
expect(actual, '[not] to have an item [exhaustively] satisfying', expected);
});
});
expect.addAssertion('<Observable> when complete <assertion>', (expect, subject, nextAssertion) => {
expect.errorMode = 'bubble';
return expect(toPromise(subject), 'when fulfilled', nextAssertion);
});
}
};
return unexpectedRxjs;
})));