vesta/lib/utils/formatters.js

Simplify time measurements

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.formatBytes = formatBytes;
exports.formatTime = formatTime;
/* eslint-disable no-magic-numbers */

const timeUnits = [{
  label: 'ms',
  frack: 1000
}, {
  label: 's',
  frack: 60
}, {
  label: 'min',
  frack: 60
}, {
  label: 'h',
  frack: 24
}, {
  label: 'd',
  frack: 24
}];
function formatTime(duration, depth = 2) {
  if (!+duration) return 0;
  let s = duration;
  const values = [];
  for (const unit of timeUnits) {
    const value = s % unit.frack;
    s = (s - value) / unit.frack;
    values.push({
      value,
      unit: unit.label
    });
  }
  const result = [];
  let left = depth;
  for (const {
    value,
    unit
  } of values.reverse()) {
    if (value > 0) result.push(`${value}${unit}`);
    if (result.length > 0 && !left--) break;
  }
  return result.join(' ');
}
const k = 1024;
const sizes = ['B', 'KiB', 'MiB', 'GiB', 'TiB', 'PiB', 'EiB', 'ZiB', 'YiB'];
function formatBytes(bytes, decimals = 2) {
  if (!+bytes) return 0;
  const dm = decimals < 0 ? 0 : decimals;
  const i = Math.floor(Math.log(bytes) / Math.log(k));
  return `${Number.parseFloat((bytes / k ** i).toFixed(dm))} ${sizes[i]}`;
}