9 lines
305 B
JavaScript
9 lines
305 B
JavaScript
const strom = require("strom").strom();
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strom.fromArray(["a", "b", "c"])
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.pipe(strom.map(s => Promise.resolve(s + s)))
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.pipe(strom.flatMap(s => Promise.resolve([s, s.toUpperCase()])))
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.pipe(strom.filter(s => Promise.resolve(s !== "bb")))
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.pipe(strom.join(","))
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.pipe(process.stdout);
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