@chayns-components/core/lib/esm/utils/file.js

A set of beautiful React components for developing your own applications with chayns.

export const hasDuplicate = (items, newItem, comparator) => items.some(item => comparator(item, newItem));
export const filterDuplicateFile = ({
  files,
  newFile
}) => hasDuplicate(files, newFile, (a, b) => a.name === b.name && a.size === b.size);
export const filterDuplicateFileUrls = ({
  files,
  newFile
}) => hasDuplicate(files, newFile, (a, b) => a === b);
export const getHumanSize = bytes => {
  const FILE_SIZE_UNITS = ['B', 'KB', 'MB', 'GB', 'TB', 'PB'];
  let size = bytes || 0;
  let unitIndex = 0;
  while (size >= 1024) {
    size /= 1024;
    unitIndex += 1;
  }
  size = Math.round(size * 10) / 10;
  return `${size.toString().replace('.', ',')} ${FILE_SIZE_UNITS[unitIndex] ?? ''}`;
};
export const isValidFileType = ({
  types,
  file
}) => {
  const allowedTypesArray = types.split(',').map(type => type.trim());
  const fileType = file.type;
  return allowedTypesArray.some(type => {
    if (type.endsWith('/*')) {
      const baseType = type.slice(0, -2); // remove '/*'
      return fileType.startsWith(baseType);
    }
    return fileType === type;
  });
};
export const MIME_TYPE_MAPPING = {
  // Haupttypen
  'application/pdf': 'fa fa-file-pdf',
  'application/zip': 'fa fa-file-archive',
  'application/msword': 'fa fa-file-word',
  'application/vnd.ms-excel': 'fa fa-file-excel',
  // Typen mit Wildcards
  'application/vnd.openxmlformats-officedocument.': 'fa fa-file-word',
  'application/x-': 'fa fa-file-archive',
  // Addiere nur spezifische Fälle
  'text/pdf': 'fa fa-file-pdf'
};
export const getIconByMimeType = mimeType => {
  const matchedType = Object.keys(MIME_TYPE_MAPPING).find(type => mimeType?.startsWith(type));
  return MIME_TYPE_MAPPING[matchedType] || 'fa fa-file';
};
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