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denoland-deno/cli/tests/raw_mode.ts
2020-04-28 12:40:43 -04:00

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Deno.setRaw(0, true);
Deno.setRaw(0, true); // Can be called multiple times
Deno.stdout.writeSync(new TextEncoder().encode("S"));
const buf = new Uint8Array(3);
for (let i = 0; i < 3; i++) {
const nread = await Deno.stdin.read(buf);
if (nread === null) {
break;
} else {
const data = new TextDecoder().decode(buf.subarray(0, nread));
Deno.stdout.writeSync(new TextEncoder().encode(data.toUpperCase()));
}
}
Deno.setRaw(0, false); // restores old mode.
Deno.setRaw(0, false); // Can be safely called multiple times