Function printTable

packages/effect/typeperf/run.mjs:106–128

(rows)

const formatNumber = (n) => n.toLocaleString("en-US")

const printTable = (rows) => {
  const table = [
    ["suite", "fixture", "instDelta", "instMax", "typesDelta", "typesMax", "symbolsDelta", "status"],
    ...rows.map((row) => [
      row.suite,
      row.fixture,
      formatNumber(row.delta.instantiations),
      row.maxInstantiationsDelta === undefined ? "-" : formatNumber(row.maxInstantiationsDelta),
      formatNumber(row.delta.types),
      row.maxTypesDelta === undefined ? "-" : formatNumber(row.maxTypesDelta),
      formatNumber(row.delta.symbols),
      row.status
    ])
  ]
  const widths = table[0].map((_, index) => Math.max(...table.map((row) => row[index].length)))
  for (const [index, row] of table.entries()) {
    const line = row.map((cell, cellIndex) => cell.padEnd(widths[cellIndex])).join("  ")
    console.log(line)
    if (index === 0) {
      console.log(widths.map((width) => "-".repeat(width)).join("  "))
    }
  }
}

const config = readJson(configPath)
const selectedTarget = targets[0]