lens/dashboard/client/utils/convertMemory.ts

// Helper to convert memory from units Ki, Mi, Gi, Ti, Pi to bytes and vise versa

const base = 1024
const suffixes = ['K', 'M', 'G', 'T', 'P', 'E'] // Equivalents: Ki, Mi, Gi, Ti, Pi, Ei

export function unitsToBytes(value: string) {
  if (!suffixes.some(suffix => value.includes(suffix))) {
    return parseFloat(value)
  }
  const index = suffixes.findIndex(suffix =>
    suffix == value.replace(/[0-9]|i|\./g, '')
  )
  return parseInt(
    (parseFloat(value) * Math.pow(base, index + 1)).toFixed(1)
  )
}

export function bytesToUnits(bytes: number, precision = 1) {
  const sizes = ["B", ...suffixes]
  const index = Math.floor(Math.log(bytes) / Math.log(base))
  if (!bytes) {
    return "N/A"
  }
  if (index === 0) {
    return `${bytes}${sizes[index]}`
  }
  return `${(bytes / (1024 ** index)).toFixed(precision)}${sizes[index]}i`
}