Compare react perf

compare.js

const LOCAL_STORAGE_KEY = 'react_perf_benchmark';
function setBenchmark() {
  localStorage.setItem(LOCAL_STORAGE_KEY, JSON.stringify(Perf.getWasted()));
}

function compareBenchmark() {
  const originalWasted = JSON.parse(localStorage.getItem(LOCAL_STORAGE_KEY));

  const newTable = Perf.getWasted()
    .map(row => {
      const originalRow = originalWasted.find(_row => row.key === _row.key);

      const durationRelative = Math.round(
        (originalRow.inclusiveRenderDuration - row.inclusiveRenderDuration) /
          originalRow.inclusiveRenderDuration *
          100
      );

      const renderCountAbsolute = Math.round(
        originalRow.renderCount - row.renderCount
      );

      return {
        key: row.key,
        durationRelative,
        renderCountAbsolute,
        currentDuration: row.inclusiveRenderDuration,
        prevDuration: originalRow.inclusiveRenderDuration
      };
    })
    .sort((a, b) => {
      if (a.renderCountAbsolute < b.renderCountAbsolute) return 1;
      if (a.renderCountAbsolute > b.renderCountAbsolute) return -1;
      return 0;
    });

  window.newTable = newTable;
  console.table(newTable);
}