formatters.js

formatters.js

export const formatBytes = (precision = 2) => bytes => {
  if (typeof bytes !== "number") return bytes

  if (bytes === 0) return '0 Bytes';
  const k = 1024;
  const sizes = ['Bytes', 'KB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB'];

  const i = Math.floor(Math.log(bytes) / Math.log(k));

  return parseFloat((bytes / Math.pow(k, i)).toPrecision(precision)) + ' ' + sizes[i];
}

export const formatNumber = (decimals = 2) => number => {
  if (typeof number !== "number") return number
  return number.toLocaleString({
    style: "compact",
    maximumFractionDigits: decimals
  })
}

export const formatPercentage = (decimals = 2) => pc => {
  if (typeof pc !== "number") return pc
  return pc.toFixed(decimals) + ' %'
}