mirror of
https://github.com/google-gemini/gemini-cli.git
synced 2026-06-20 08:17:24 -07:00
Tommaso Sciortino
56 lines
1.2 KiB
TypeScript
56 lines
1.2 KiB
TypeScript
/**
|
|
* @license
|
|
* Copyright 2025 Google LLC
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*/
|
|
|
|
import type { Key } from '../contexts/KeypressContext.js';
|
|
|
|
export type { Key };
|
|
|
|
const SPECIAL_KEYS: Record<string, string> = {
|
|
up: '\x1b[A',
|
|
down: '\x1b[B',
|
|
right: '\x1b[C',
|
|
left: '\x1b[D',
|
|
escape: '\x1b',
|
|
tab: '\t',
|
|
backspace: '\x7f',
|
|
delete: '\x1b[3~',
|
|
home: '\x1b[H',
|
|
end: '\x1b[F',
|
|
pageup: '\x1b[5~',
|
|
pagedown: '\x1b[6~',
|
|
enter: '\r',
|
|
};
|
|
|
|
/**
|
|
* Translates a Key object into its corresponding ANSI escape sequence.
|
|
* This is useful for sending control characters to a pseudo-terminal.
|
|
*
|
|
* @param key The Key object to translate.
|
|
* @returns The ANSI escape sequence as a string, or null if no mapping exists.
|
|
*/
|
|
export function keyToAnsi(key: Key): string | null {
|
|
if (key.ctrl) {
|
|
// Ctrl + letter (A-Z maps to 1-26, e.g., Ctrl+C is \x03)
|
|
if (key.name >= 'a' && key.name <= 'z') {
|
|
return String.fromCharCode(
|
|
key.name.charCodeAt(0) - 'a'.charCodeAt(0) + 1,
|
|
);
|
|
}
|
|
}
|
|
|
|
// Arrow keys and other special keys
|
|
if (key.name in SPECIAL_KEYS) {
|
|
return SPECIAL_KEYS[key.name];
|
|
}
|
|
|
|
// If it's a simple character, return it.
|
|
if (!key.ctrl && !key.cmd && key.sequence) {
|
|
return key.sequence;
|
|
}
|
|
|
|
return null;
|
|
}
|