| 48 | |
| 49 | let buffer = ""; |
| 50 | const onData = (char: string) => { |
| 51 | const code = char.charCodeAt(0); |
| 52 | // CR / LF / Ctrl+D — finish |
| 53 | if (code === 13 || code === 10 || code === 4) { |
| 54 | stdin.setRawMode(false); |
| 55 | stdin.pause(); |
| 56 | stdin.off("data", onData); |
| 57 | stdout.write("\n"); |
| 58 | resolve(buffer); |
| 59 | return; |
| 60 | } |
| 61 | // Ctrl+C — abort |
| 62 | if (code === 3) { |
| 63 | stdin.setRawMode(false); |
| 64 | stdin.pause(); |
| 65 | stdout.write("\n"); |
| 66 | process.exit(130); |
| 67 | } |
| 68 | // DEL / BS — erase last char |
| 69 | if (code === 127 || code === 8) { |
| 70 | if (buffer.length > 0) { |
| 71 | buffer = buffer.slice(0, -1); |
| 72 | stdout.write("\b \b"); |
| 73 | } |
| 74 | return; |
| 75 | } |
| 76 | buffer += char; |
| 77 | stdout.write("*"); |
| 78 | }; |
| 79 | |
| 80 | stdin.on("data", onData); |
| 81 | }); |