206 lines
9.5 KiB
JavaScript
206 lines
9.5 KiB
JavaScript
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"use strict";
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var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
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function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
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return new (P || (P = Promise))(function (resolve, reject) {
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function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
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function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
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function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
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step((generator = generator.apply(thisArg, _arguments || [])).next());
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});
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};
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var __generator = (this && this.__generator) || function (thisArg, body) {
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var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
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return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
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function verb(n) { return function (v) { return step([n, v]); }; }
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function step(op) {
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if (f) throw new TypeError("Generator is already executing.");
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while (_) try {
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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;
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if (y = 0, t) op = [op[0] & 2, t.value];
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switch (op[0]) {
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case 0: case 1: t = op; break;
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case 4: _.label++; return { value: op[1], done: false };
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case 5: _.label++; y = op[1]; op = [0]; continue;
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case 7: op = _.ops.pop(); _.trys.pop(); continue;
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default:
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if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
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if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
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if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
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if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
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if (t[2]) _.ops.pop();
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_.trys.pop(); continue;
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}
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op = body.call(thisArg, _);
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} catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
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if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
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}
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};
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var __asyncValues = (this && this.__asyncValues) || function (o) {
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if (!Symbol.asyncIterator) throw new TypeError("Symbol.asyncIterator is not defined.");
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var m = o[Symbol.asyncIterator], i;
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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);
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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); }); }; }
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function settle(resolve, reject, d, v) { Promise.resolve(v).then(function(v) { resolve({ value: v, done: d }); }, reject); }
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};
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var __values = (this && this.__values) || function(o) {
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var s = typeof Symbol === "function" && Symbol.iterator, m = s && o[s], i = 0;
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if (m) return m.call(o);
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if (o && typeof o.length === "number") return {
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next: function () {
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if (o && i >= o.length) o = void 0;
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return { value: o && o[i++], done: !o };
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}
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};
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throw new TypeError(s ? "Object is not iterable." : "Symbol.iterator is not defined.");
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};
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.fromReadableStreamLike = exports.fromAsyncIterable = exports.fromIterable = exports.fromPromise = exports.fromArrayLike = exports.fromInteropObservable = exports.innerFrom = void 0;
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var isArrayLike_1 = require("../util/isArrayLike");
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var isPromise_1 = require("../util/isPromise");
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var Observable_1 = require("../Observable");
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var isInteropObservable_1 = require("../util/isInteropObservable");
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var isAsyncIterable_1 = require("../util/isAsyncIterable");
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var throwUnobservableError_1 = require("../util/throwUnobservableError");
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var isIterable_1 = require("../util/isIterable");
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var isReadableStreamLike_1 = require("../util/isReadableStreamLike");
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var isFunction_1 = require("../util/isFunction");
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var reportUnhandledError_1 = require("../util/reportUnhandledError");
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var observable_1 = require("../symbol/observable");
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function innerFrom(input) {
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if (input instanceof Observable_1.Observable) {
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return input;
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}
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if (input != null) {
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if (isInteropObservable_1.isInteropObservable(input)) {
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return fromInteropObservable(input);
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}
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if (isArrayLike_1.isArrayLike(input)) {
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return fromArrayLike(input);
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}
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if (isPromise_1.isPromise(input)) {
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return fromPromise(input);
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}
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if (isAsyncIterable_1.isAsyncIterable(input)) {
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return fromAsyncIterable(input);
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}
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if (isIterable_1.isIterable(input)) {
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return fromIterable(input);
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}
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if (isReadableStreamLike_1.isReadableStreamLike(input)) {
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return fromReadableStreamLike(input);
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}
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}
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throw throwUnobservableError_1.createInvalidObservableTypeError(input);
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}
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exports.innerFrom = innerFrom;
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function fromInteropObservable(obj) {
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return new Observable_1.Observable(function (subscriber) {
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var obs = obj[observable_1.observable]();
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if (isFunction_1.isFunction(obs.subscribe)) {
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return obs.subscribe(subscriber);
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}
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throw new TypeError('Provided object does not correctly implement Symbol.observable');
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});
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}
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exports.fromInteropObservable = fromInteropObservable;
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function fromArrayLike(array) {
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return new Observable_1.Observable(function (subscriber) {
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for (var i = 0; i < array.length && !subscriber.closed; i++) {
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subscriber.next(array[i]);
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}
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subscriber.complete();
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});
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}
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exports.fromArrayLike = fromArrayLike;
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function fromPromise(promise) {
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return new Observable_1.Observable(function (subscriber) {
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promise
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.then(function (value) {
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if (!subscriber.closed) {
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subscriber.next(value);
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subscriber.complete();
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}
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}, function (err) { return subscriber.error(err); })
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.then(null, reportUnhandledError_1.reportUnhandledError);
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});
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}
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exports.fromPromise = fromPromise;
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function fromIterable(iterable) {
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return new Observable_1.Observable(function (subscriber) {
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var e_1, _a;
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try {
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for (var iterable_1 = __values(iterable), iterable_1_1 = iterable_1.next(); !iterable_1_1.done; iterable_1_1 = iterable_1.next()) {
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var value = iterable_1_1.value;
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subscriber.next(value);
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if (subscriber.closed) {
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return;
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}
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}
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}
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catch (e_1_1) { e_1 = { error: e_1_1 }; }
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finally {
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try {
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if (iterable_1_1 && !iterable_1_1.done && (_a = iterable_1.return)) _a.call(iterable_1);
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}
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finally { if (e_1) throw e_1.error; }
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}
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subscriber.complete();
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});
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}
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exports.fromIterable = fromIterable;
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function fromAsyncIterable(asyncIterable) {
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return new Observable_1.Observable(function (subscriber) {
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process(asyncIterable, subscriber).catch(function (err) { return subscriber.error(err); });
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});
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}
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exports.fromAsyncIterable = fromAsyncIterable;
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function fromReadableStreamLike(readableStream) {
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return fromAsyncIterable(isReadableStreamLike_1.readableStreamLikeToAsyncGenerator(readableStream));
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}
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exports.fromReadableStreamLike = fromReadableStreamLike;
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function process(asyncIterable, subscriber) {
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var asyncIterable_1, asyncIterable_1_1;
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var e_2, _a;
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return __awaiter(this, void 0, void 0, function () {
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var value, e_2_1;
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return __generator(this, function (_b) {
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switch (_b.label) {
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case 0:
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_b.trys.push([0, 5, 6, 11]);
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asyncIterable_1 = __asyncValues(asyncIterable);
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_b.label = 1;
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case 1: return [4, asyncIterable_1.next()];
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case 2:
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if (!(asyncIterable_1_1 = _b.sent(), !asyncIterable_1_1.done)) return [3, 4];
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value = asyncIterable_1_1.value;
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subscriber.next(value);
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if (subscriber.closed) {
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return [2];
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}
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_b.label = 3;
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case 3: return [3, 1];
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case 4: return [3, 11];
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case 5:
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e_2_1 = _b.sent();
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e_2 = { error: e_2_1 };
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return [3, 11];
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case 6:
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_b.trys.push([6, , 9, 10]);
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if (!(asyncIterable_1_1 && !asyncIterable_1_1.done && (_a = asyncIterable_1.return))) return [3, 8];
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return [4, _a.call(asyncIterable_1)];
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case 7:
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_b.sent();
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_b.label = 8;
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case 8: return [3, 10];
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case 9:
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if (e_2) throw e_2.error;
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return [7];
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case 10: return [7];
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case 11:
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subscriber.complete();
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return [2];
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}
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});
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});
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}
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//# sourceMappingURL=innerFrom.js.map
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