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41 lines
868 B
JavaScript
41 lines
868 B
JavaScript
5 months ago
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"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 simpleSink = require("./");
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(async () => {
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try {
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let result = await pipe([
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fromIterable([ 1, 2, 3, 4, 5 ]),
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simpleSink({
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onValue: async (value, abort) => {
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console.log("value seen:", value);
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// if (value === 3) { abort(new Error("uncomment this to trigger an abort")); }
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},
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onEnd: async () => {
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console.log("stream finished");
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return "arbitrary value";
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},
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onAbort: async (error) => {
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console.log("stream aborted due to reason:", error);
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}
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})
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]).read();
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console.log("result:", result);
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} catch (error) {
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console.log("caught error:", error);
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}
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})();
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/* Output:
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value seen: 1
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value seen: 2
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value seen: 3
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value seen: 4
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value seen: 5
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stream finished
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result: arbitrary value
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*/
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