@dnb/eufemia/components/upload/useUpload.js

DNB Eufemia Design System UI Library

import { useCallback, useMemo } from 'react';
import { useSharedState } from '../../shared/helpers/useSharedState';
function useUpload(id) {
  const {
    data,
    extend
  } = useSharedState(id);
  const setFiles = useCallback(files => {
    extend({
      files
    });
  }, [extend]);
  const setInternalFiles = useCallback(internalFiles => {
    extend({
      internalFiles
    });
  }, [extend]);
  const files = useMemo(() => (data === null || data === void 0 ? void 0 : data.files) || [], [data === null || data === void 0 ? void 0 : data.files]);
  const internalFiles = useMemo(() => (data === null || data === void 0 ? void 0 : data.internalFiles) || [], [data === null || data === void 0 ? void 0 : data.internalFiles]);
  const getExistingFile = useCallback(function (file) {
    let fileItems = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : files;
    return fileItems.find(_ref => {
      let {
        file: f
      } = _ref;
      return isFileEqual(file, f);
    });
  }, [files]);
  return {
    files,
    setFiles,
    internalFiles,
    setInternalFiles,
    getExistingFile
  };
}
export const isFileEqual = (fileA, fileB) => {
  const compareExistingProperty = function (a, b, property) {
    return a && property in a && b && property in b && (a[property] === 0 || b[property] === 0 || a[property] === b[property]);
  };
  return fileA.name === fileB.name && compareExistingProperty(fileA, fileB, 'size') && compareExistingProperty(fileA, fileB, 'lastModified');
};
export default useUpload;
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