Method append

src/process-sessions.ts:147–167

(output: string)

  }

  append(output: string): void {
    if (!output) return;

    const previousTotal = this.totalCharacters;
    this.totalCharacters += codePointLength(output);

    if (this.totalCharacters <= this.maxCharacters) {
      this.head += output;
      return;
    }

    const budget = splitBudget(this.maxCharacters);
    if (previousTotal <= this.maxCharacters) {
      const fullOutput = this.head + output;
      this.head = takeHead(fullOutput, budget.head);
      this.tail = takeTail(fullOutput, budget.tail);
      return;
    }

    this.tail = takeTail(this.tail + output, budget.tail);
  }

  hasOutput(): boolean {
    return this.totalCharacters > 0;