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39 lines
1.2 KiB
JavaScript
39 lines
1.2 KiB
JavaScript
"use strict";
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const pipe = require("@promistream/pipe");
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const fromIterable = require("@promistream/from-iterable");
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const collect = require("@promistream/collect");
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const debug = require("./");
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(async function () {
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let result = await pipe([
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fromIterable([ 1, 2, 3, 4, 5 ]),
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debug("example pipeline"),
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collect()
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]).read();
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console.log(result);
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})();
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/* Output:
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[@promistream/debug][example pipeline] read was requested
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[@promistream/debug][example pipeline] seen value: 1
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[@promistream/debug][example pipeline] read was requested
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[@promistream/debug][example pipeline] seen value: 2
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[@promistream/debug][example pipeline] read was requested
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[@promistream/debug][example pipeline] seen value: 3
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[@promistream/debug][example pipeline] read was requested
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[@promistream/debug][example pipeline] seen value: 4
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[@promistream/debug][example pipeline] read was requested
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[@promistream/debug][example pipeline] seen value: 5
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[@promistream/debug][example pipeline] read was requested
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[@promistream/debug][example pipeline] error thrown in read: EndOfStream: End of iterable reached
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at <stacktrace goes here>
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_help: 'https://www.npmjs.com/package/error-chain',
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_promistreamIsEndOfStreamMarker: true,
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_promistreamVersion: 1
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}
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[ 1, 2, 3, 4, 5 ]
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*/
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