1 | import { as as asAsyncIterable } from './as';
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2 | import { _initialize as _initializeFrom } from './from';
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3 | import { bindCallback } from '../util/bindcallback';
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4 | import { isReadableNodeStream, isWritableNodeStream } from '../util/isiterable';
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5 |
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6 |
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7 |
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8 | export class AsyncIterableX {
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9 | async forEach(projection, thisArg) {
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10 | const fn = bindCallback(projection, thisArg, 2);
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11 | let i = 0;
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12 | for await (const item of this) {
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13 | await fn(item, i++);
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14 | }
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15 | }
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16 | pipe(...args) {
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17 | let i = -1;
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18 | const n = args.length;
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19 | let acc = this;
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20 | while (++i < n) {
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21 | acc = args[i](asAsyncIterable(acc));
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22 | }
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23 | return acc;
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24 | }
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25 | }
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26 | _initializeFrom(AsyncIterableX);
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27 | try {
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28 | (isBrowser => {
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29 | if (isBrowser) {
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30 | return;
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31 | }
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32 | AsyncIterableX.prototype['pipe'] = nodePipe;
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33 | const readableOpts = (x, opts = x._writableState || { objectMode: true }) => opts;
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34 | function nodePipe(...args) {
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35 | let i = -1;
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36 | let end;
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37 | const n = args.length;
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38 | let prev = this;
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39 | let next;
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40 | while (++i < n) {
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41 | next = args[i];
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42 | if (typeof next === 'function') {
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43 | prev = next(asAsyncIterable(prev));
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44 | }
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45 | else if (isWritableNodeStream(next)) {
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46 | ({ end = true } = args[i + 1] || {});
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47 |
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48 | return isReadableNodeStream(prev) ? prev.pipe(next, { end }) :
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49 | asAsyncIterable(prev).toNodeStream(readableOpts(next)).pipe(next, { end });
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50 | }
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51 | }
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52 | return prev;
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53 | }
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54 | })(typeof window === 'object' && typeof document === 'object' && document.nodeType === 9);
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55 | }
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56 | catch (e) {
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57 |
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58 | }
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59 |
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60 |
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