60 lines
1.6 KiB
TypeScript
60 lines
1.6 KiB
TypeScript
/**
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* @license
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* Copyright 2025 Google LLC
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* SPDX-License-Identifier: Apache-2.0
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*/
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/**
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* Terminal Platform Constants
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*
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* This file contains terminal-related constants used throughout the application,
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* specifically for handling keyboard inputs and terminal protocols.
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*/
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/**
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* Kitty keyboard protocol sequences for enhanced keyboard input.
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* @see https://sw.kovidgoyal.net/kitty/keyboard-protocol/
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*/
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export const KITTY_CTRL_C = '[99;5u';
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/**
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* Kitty keyboard protocol keycodes
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*/
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export const KITTY_KEYCODE_ENTER = 13;
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export const KITTY_KEYCODE_NUMPAD_ENTER = 57414;
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export const KITTY_KEYCODE_TAB = 9;
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export const KITTY_KEYCODE_BACKSPACE = 127;
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/**
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* Timing constants for terminal interactions
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*/
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export const CTRL_EXIT_PROMPT_DURATION_MS = 1000;
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/**
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* VS Code terminal integration constants
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*/
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export const VSCODE_SHIFT_ENTER_SEQUENCE = '\\\r\n';
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/**
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* Backslash + Enter detection window in milliseconds.
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* Used to detect Shift+Enter pattern where backslash
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* is followed by Enter within this timeframe.
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*/
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export const BACKSLASH_ENTER_DETECTION_WINDOW_MS = 5;
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/**
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* Maximum expected length of a Kitty keyboard protocol sequence.
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* Format: ESC [ <keycode> ; <modifiers> u/~
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* Example: \x1b[13;2u (Shift+Enter) = 8 chars
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* Longest reasonable: \x1b[127;15~ = 11 chars (Del with all modifiers)
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* We use 12 to provide a small buffer.
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*/
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export const MAX_KITTY_SEQUENCE_LENGTH = 12;
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/**
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* Character codes for common escape sequences
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*/
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export const CHAR_CODE_ESC = 27;
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export const CHAR_CODE_LEFT_BRACKET = 91;
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export const CHAR_CODE_1 = 49;
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export const CHAR_CODE_2 = 50;
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