Class Editor

packages/pi-tui/src/components/editor.ts:265–2415

}

export class Editor implements Component, Focusable {
	private state: EditorState = {
		lines: [""],
		cursorLine: 0,
		cursorCol: 0,
	};

	/** Focusable interface - set by TUI when focus changes */
	focused: boolean = false;

	protected tui: TUI;
	private theme: EditorTheme;
	private paddingX: number = 0;

	// Store last render width for cursor navigation
	private lastWidth: number = 80;

	// Vertical scrolling support
	private scrollOffset: number = 0;

	// Border color (can be changed dynamically)
	public borderColor: (str: string) => string;

	// Autocomplete support
	private autocompleteProvider?: AutocompleteProvider;
	private autocompleteTriggerCharacters = [...DEFAULT_AUTOCOMPLETE_TRIGGER_CHARACTERS];
	private autocompleteTriggerPattern = buildTriggerPattern(this.autocompleteTriggerCharacters);
	private autocompleteDebouncePattern = buildDebouncePattern(this.autocompleteTriggerCharacters);
	private autocompleteList?: SelectList;
	private autocompleteState: "regular" | "force" | null = null;
	private autocompletePrefix: string = "";
	private autocompleteMaxVisible: number = 5;
	private autocompleteAbort?: AbortController;
	private autocompleteDebounceTimer?: ReturnType<typeof setTimeout>;
	private autocompleteRequestTask: Promise<void> = Promise.resolve();
	private autocompleteStartToken: number = 0;
	private autocompleteRequestId: number = 0;

	// Paste tracking for large pastes
	private pastes: Map<number, string> = new Map();
	private pasteCounter: number = 0;

	// Bracketed paste mode buffering
	private pasteBuffer: string = "";
	private isInPaste: boolean = false;

	// Non-bracketed paste-burst fallback
	private pasteBurst = new PasteBurst();
	private disablePasteBurst: boolean = false;

	// Prompt history for up/down navigation
	private history: string[] = [];
	private historyIndex: number = -1; // -1 = not browsing, 0 = most recent, 1 = older, etc.
	private historyDraft: EditorState | null = null;
	private hostHistoryDraft: unknown = undefined;
	private historyFilter: ((entry: string) => boolean) | null = null;

	// Kill ring for Emacs-style kill/yank operations