Created
October 31, 2022 22:22
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transform uppercase in request
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import http from "node:http"; | |
import fs from "node:fs"; | |
import { Transform } from "node:stream"; | |
function upperCaseTransform() { | |
return new Transform({ | |
transform(chunk, encoding, next) { | |
this.push(chunk.toString().toUpperCase()); | |
next(); | |
}, | |
}); | |
} | |
var server = http.createServer(async (req, res) => { | |
var stream = fs.createReadStream("./file.text"); | |
stream.pipe(upperCaseTransform()).pipe(res); | |
stream.on("end", () => res.end()); | |
}); | |
server.listen(8000, () => { | |
console.log("server is listening ... 8000"); | |
}); |
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