Method handleRapidInput

extensions/cli/src/ui/TextBuffer.ts:335–387

(input: string)

  // Fallback paste detection: detects rapid chunks by timing and size RAPID_INPUT_THRESHOLD
  private handleRapidInput(input: string): boolean {
    const now = Date.now();
    const timeSinceLastInput = now - this._lastInputTime;

    // If we're already in rapid input mode and this comes quickly, add to buffer
    if (this._rapidInputBuffer.length > 0 && timeSinceLastInput < 200) {
      const isLikelyTyping = input.length < 50 && timeSinceLastInput >= 50;

      if (!isLikelyTyping) {
        this._rapidInputBuffer += input;
        this._lastInputTime = now;

        if (this._rapidInputTimer) {
          clearTimeout(this._rapidInputTimer);
        }

        // Reset timer: 200ms pause indicates end of paste
        this._rapidInputTimer = setTimeout(() => {
          this.finalizeRapidInput();
        }, 200);

        return true;
      }
    }

    // Fallback paste detection: some terminals send large pastes as rapid chunks
    // instead of using bracketed paste mode. We detect this by timing between inputs.
    // The >= 50 char threshold was restored to detect Terminal.app/Ghostty split pastes
    if (
      input.length > RAPID_INPUT_THRESHOLD ||
      (input.length >= 50 && this._rapidInputBuffer.length === 0)
    ) {
      this._rapidInputStartPos = this._cursor;

      // Accumulate chunks without inserting to avoid visual flicker
      this._rapidInputBuffer = input;
      this._lastInputTime = now;

      if (this._rapidInputTimer) {
        clearTimeout(this._rapidInputTimer);
      }

      // 200ms pause indicates end of paste
      this._rapidInputTimer = setTimeout(() => {
        this.finalizeRapidInput();
      }, 200);

      return true; // Consume input without inserting until finalized
    }

    this._lastInputTime = now;
    return false;
  }

  // Called after rapid input timer expires to collapse or insert buffered content
  private finalizeRapidInput(): void {