@ethersphere/bee-js/dist/mjs/utils/collection.js

Javascript client for Bee

import { BeeArgumentError } from "./error.js";
export function isCollection(data) {
  if (!Array.isArray(data)) {
    return false;
  }
  return data.every(entry => typeof entry === 'object' && entry.path && entry.size !== undefined);
}
export function assertCollection(data) {
  if (!isCollection(data)) {
    throw new BeeArgumentError('invalid collection', data);
  }
}
export function makeFilePath(file) {
  if (file.webkitRelativePath && file.webkitRelativePath !== '') {
    return file.webkitRelativePath.replace(/.*?\//i, '');
  }
  if (file.name) {
    return file.name;
  }
  throw new TypeError('file is not valid File object');
}
export function makeCollectionFromFileList(fileList) {
  return Array.from(fileList).map(file => ({
    path: makeFilePath(file),
    size: file.size,
    file
  }));
}
/**
 * Calculate cumulative size of files
 *
 * @param fileList list of files to check
 * @returns size in bytes
 */
export function getCollectionSize(fileList) {
  return Array.from(fileList).reduce((sum, file) => sum + file.size, 0);
}