Function createTokenAccumulator

benchmark/helpers.ts:368–408

()

 * ```
 */
export function createTokenAccumulator(): TokenAccumulator {
  let totalInputTokens = 0;
  let totalOutputTokens = 0;
  let imageTokensTotal = 0;
  let screenshotCount = 0;
  let toolCallCount = 0;

  return {
    addImageCall(usage: TokenUsage, imageTokens: number): void {
      totalInputTokens += usage.inputTokens;
      totalOutputTokens += usage.outputTokens;
      // Use the calculated image tokens (from width * height / 750)
      imageTokensTotal += imageTokens;
    },

    addTextCall(usage: TokenUsage): void {
      totalInputTokens += usage.inputTokens;
      totalOutputTokens += usage.outputTokens;
    },

    incrementScreenshots(): void {
      screenshotCount++;
    },

    incrementToolCalls(count = 1): void {
      toolCallCount += count;
    },

    getResult(approach: string): BenchmarkResult {
      return {
        approach,
        totalInputTokens,
        totalOutputTokens,
        totalTokens: totalInputTokens + totalOutputTokens,
        imageTokens: imageTokensTotal,
        screenshotsTaken: screenshotCount,
        toolCallCount: toolCallCount > 0 ? toolCallCount : undefined,
      };
    },
  };
}

/**
 * Analyzes a screenshot using Claude and returns token usage.