@spaced-out/ui-design-system/lib/utils/helpers/helpers.js.flow

Sense UI components library

// @flow strict

export const uuid = (): string => {
  let dt = new Date().getTime();

  return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, (c) => {
    const r = (dt + Math.random() * 16) % 16 | 0;
    dt = Math.floor(dt / 16);
    return (c === 'x' ? r : (r & 0x3) | 0x8).toString(16);
  });
};

export const range = (start: number, end: number): Array<number> => {
  const length = end - start + 1;
  return Array.from({length}, (_, i) => start + i);
};

export const convertFileSize = (fileSize: number = 0): string => {
  let sizeInBytes = fileSize;
  // Check if the file size is less than 1024
  if (sizeInBytes < 0) {
    sizeInBytes = Math.abs(sizeInBytes);
  }

  // Handle the case where the file size is 0 or negative
  if (sizeInBytes <= 0) {
    return '0 B';
  }

  // Check if the file size is less than 1024
  if (sizeInBytes < 1024) {
    // Return the file size in bytes
    return sizeInBytes.toString() + ' B';
  }

  // Check if the file size is less than 1048576
  else if (sizeInBytes < 1048576) {
    // Return the file size in KB
    return (sizeInBytes / 1024).toFixed(1) + ' KB';
  }

  // Check if the file size is less than 1073741824
  else if (sizeInBytes < 1073741824) {
    // Return the file size in MB
    return (sizeInBytes / 1048576).toFixed(1) + ' MB';
  }

  // Otherwise, the file size is greater than or equal to 1073741824
  else {
    // Return the file size in GB
    return (sizeInBytes / 1073741824).toFixed(1) + ' GB';
  }
};