INNER CODE UNIT · JavaScript
onData
wangshengithub/staticshield · encrypt.js:22
const onData = (d) => { const i = d.indexOf('\n'); if (i >= 0) { buf += d.slice(0, i).replace(/\r$/, ''); cleanup(); process.stderr.write('\n'); resolve(buf); } else buf += d; };
const onEnd = () => { cleanup(); process.stderr.write('\n'); resolve(buf); };
const cleanup = () => { stdin.removeListener('data', onData); stdin.removeListener('end', onEnd); stdin.destroy(); };
stdin.on('data', onData); stdin.on('end', onEnd);
return;
}
const bytes = [];
stdin.setRawMode(true); stdin.resume();
const finish = () => { stdin.setRawMode(false); stdin.pause(); stdin.removeListener('data', onData); process.stderr.write('\n'); resolve(Buffer.from(bytes).toString('utf8')); };
const onData = (chunk) => {
for (let k = 0; k < chunk.length; k++) {
const b = chunk[k];
if (b === 0x0d || b === 0x0a) return finish();
if (b === 0x03) { process.stderr.write('\n'); process.exit(0); }
if (b === 0x08 || b === 0x7f) {
if (bytes.length) { let cb = 1; while (bytes.length - cb > 0 && (bytes[bytes.length - 1 - cb] & 0xC0) === 0x80) cb++; for (let j = 0; j < cb; j++) { bytes.pop(); process.stderr.write('\b \b'); } }
} else if (b >= 0x20 && b !== 0x7f) { bytes.push(b); process.stderr.write('*'); }
}