wishthis/node_modules/rxjs/dist/cjs/internal/observable/innerFrom.js
2022-06-08 12:36:39 +02:00

206 lines
No EOL
9.5 KiB
JavaScript

"use strict";
var __awaiter = (this && this.__awaiter) || function (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());
});
};
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 };
}
};
var __asyncValues = (this && this.__asyncValues) || function (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); }
};
var __values = (this && this.__values) || function(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.");
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.fromReadableStreamLike = exports.fromAsyncIterable = exports.fromIterable = exports.fromPromise = exports.fromArrayLike = exports.fromInteropObservable = exports.innerFrom = void 0;
var isArrayLike_1 = require("../util/isArrayLike");
var isPromise_1 = require("../util/isPromise");
var Observable_1 = require("../Observable");
var isInteropObservable_1 = require("../util/isInteropObservable");
var isAsyncIterable_1 = require("../util/isAsyncIterable");
var throwUnobservableError_1 = require("../util/throwUnobservableError");
var isIterable_1 = require("../util/isIterable");
var isReadableStreamLike_1 = require("../util/isReadableStreamLike");
var isFunction_1 = require("../util/isFunction");
var reportUnhandledError_1 = require("../util/reportUnhandledError");
var observable_1 = require("../symbol/observable");
function innerFrom(input) {
if (input instanceof Observable_1.Observable) {
return input;
}
if (input != null) {
if (isInteropObservable_1.isInteropObservable(input)) {
return fromInteropObservable(input);
}
if (isArrayLike_1.isArrayLike(input)) {
return fromArrayLike(input);
}
if (isPromise_1.isPromise(input)) {
return fromPromise(input);
}
if (isAsyncIterable_1.isAsyncIterable(input)) {
return fromAsyncIterable(input);
}
if (isIterable_1.isIterable(input)) {
return fromIterable(input);
}
if (isReadableStreamLike_1.isReadableStreamLike(input)) {
return fromReadableStreamLike(input);
}
}
throw throwUnobservableError_1.createInvalidObservableTypeError(input);
}
exports.innerFrom = innerFrom;
function fromInteropObservable(obj) {
return new Observable_1.Observable(function (subscriber) {
var obs = obj[observable_1.observable]();
if (isFunction_1.isFunction(obs.subscribe)) {
return obs.subscribe(subscriber);
}
throw new TypeError('Provided object does not correctly implement Symbol.observable');
});
}
exports.fromInteropObservable = fromInteropObservable;
function fromArrayLike(array) {
return new Observable_1.Observable(function (subscriber) {
for (var i = 0; i < array.length && !subscriber.closed; i++) {
subscriber.next(array[i]);
}
subscriber.complete();
});
}
exports.fromArrayLike = fromArrayLike;
function fromPromise(promise) {
return new Observable_1.Observable(function (subscriber) {
promise
.then(function (value) {
if (!subscriber.closed) {
subscriber.next(value);
subscriber.complete();
}
}, function (err) { return subscriber.error(err); })
.then(null, reportUnhandledError_1.reportUnhandledError);
});
}
exports.fromPromise = fromPromise;
function fromIterable(iterable) {
return new Observable_1.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();
});
}
exports.fromIterable = fromIterable;
function fromAsyncIterable(asyncIterable) {
return new Observable_1.Observable(function (subscriber) {
process(asyncIterable, subscriber).catch(function (err) { return subscriber.error(err); });
});
}
exports.fromAsyncIterable = fromAsyncIterable;
function fromReadableStreamLike(readableStream) {
return fromAsyncIterable(isReadableStreamLike_1.readableStreamLikeToAsyncGenerator(readableStream));
}
exports.fromReadableStreamLike = fromReadableStreamLike;
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];
}
});
});
}
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