static async compute_(data) {
    const {scriptId, scriptCoverage, bundle} = data;

    const wasteData = UnusedJavascriptSummary.computeWaste(scriptCoverage);
    const item = UnusedJavascriptSummary.createItem(scriptId, wasteData);
    if (!bundle) return item;

    return {
      ...item,
      sourcesWastedBytes: UnusedJavascriptSummary.createSourceWastedBytes(wasteData, bundle),
    };
  }
@param {ComputeInput} data
@return {Promise<Summary>}