@reactivex/ix-es2015-cjs/asynciterable/concat.js

The Interactive Extensions for JavaScript

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.concat = exports._concatAll = exports.ConcatAsyncIterable = void 0;
const tslib_1 = require("tslib");
const asynciterablex_js_1 = require("./asynciterablex.js");
const withabort_js_1 = require("./operators/withabort.js");
const aborterror_js_1 = require("../aborterror.js");
/** @ignore */
class ConcatAsyncIterable extends asynciterablex_js_1.AsyncIterableX {
    constructor(source) {
        super();
        this._source = source;
    }
    [Symbol.asyncIterator](signal) {
        return tslib_1.__asyncGenerator(this, arguments, function* _a() {
            var _b, e_1, _c, _d;
            (0, aborterror_js_1.throwIfAborted)(signal);
            for (const outer of this._source) {
                try {
                    for (var _e = true, _f = (e_1 = void 0, tslib_1.__asyncValues((0, withabort_js_1.wrapWithAbort)(outer, signal))), _g; _g = yield tslib_1.__await(_f.next()), _b = _g.done, !_b; _e = true) {
                        _d = _g.value;
                        _e = false;
                        const item = _d;
                        yield yield tslib_1.__await(item);
                    }
                }
                catch (e_1_1) { e_1 = { error: e_1_1 }; }
                finally {
                    try {
                        if (!_e && !_b && (_c = _f.return)) yield tslib_1.__await(_c.call(_f));
                    }
                    finally { if (e_1) throw e_1.error; }
                }
            }
        });
    }
}
exports.ConcatAsyncIterable = ConcatAsyncIterable;
function _concatAll(source) {
    return new ConcatAsyncIterable(source);
}
exports._concatAll = _concatAll;
/**
 * Concatenates all async-iterable sequences in the given sequences, as long as the previous async-iterable
 * sequence terminated successfully.
 *
 * @template T The type of the elements in the sequences.
 * @param {...AsyncIterable<T>[]} args The async-iterable sources.
 * @returns {AsyncIterableX<T>} An async-iterable sequence that contains the elements of each given sequence, in sequential order.
 */
function concat(...args) {
    return new ConcatAsyncIterable(args);
}
exports.concat = concat;

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