wlan-cloud-ucentralgw-ui/src/helpers/stringHelper.ts

export const getRevision = (str?: string) => {
  if (!str) return '-';

  return str.split(' / ')[1] ?? str;
};
export const lowercaseFirstLetter = (initial: string) =>
  initial ? initial.charAt(0).toLowerCase() + initial.slice(1) : null;
export const uppercaseFirstLetter = (initial?: string) =>
  initial ? initial.charAt(0).toUpperCase() + initial.slice(1) : undefined;
export const bytesString = (bytes: number, decimals = 2) => {
  const sizes = ['B', 'KB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB'];
  if (!bytes || bytes === 0) {
    return '0 B';
  }
  const k = 1024;
  const dm = decimals < 0 ? 0 : decimals;
  const i = Math.floor(Math.log(bytes as number) / Math.log(k as number));
  if (i < 0) return '1 B';
  return `${parseFloat((bytes / k ** i).toFixed(dm).toLocaleString())} ${sizes[i]}`;
};
export const parseDbm = (value: number) => {
  if (value === undefined || value === null) return '-';
  if (value > -300 && value < 100) return value;
  return (4294967295 - value) * -1;
};
export const formatNumberToScientificBasedOnMax = (number: number, max = 100000000) => {
  if (!number) return number;
  return number < max ? number.toLocaleString('en-US') : number.toExponential(2);
};
export const randomIntId = () => Math.floor(Math.random() * 2147483647);
export const encodeB64Str = (str: string) => {
  try {
    // @ts-ignore
    return btoa(encodeURIComponent(str).replace(/%([0-9A-F]{2})/g, (_, p1) => String.fromCharCode(`0x${p1}`)));
  } catch {
    return undefined;
  }
};
export const decodeB64Str = (str: string) => {
  try {
    return decodeURIComponent(
      Array.prototype.map.call(atob(str), (c) => `%${`00${c.charCodeAt(0).toString(16)}`.slice(-2)}`).join(''),
    );
  } catch {
    return undefined;
  }
};