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

DNB Eufemia Design System UI Library

"use client";

import _defineProperty from "@babel/runtime/helpers/esm/defineProperty";
function ownKeys(e, r) { var t = Object.keys(e); if (Object.getOwnPropertySymbols) { var o = Object.getOwnPropertySymbols(e); r && (o = o.filter(function (r) { return Object.getOwnPropertyDescriptor(e, r).enumerable; })), t.push.apply(t, o); } return t; }
function _objectSpread(e) { for (var r = 1; r < arguments.length; r++) { var t = null != arguments[r] ? arguments[r] : {}; r % 2 ? ownKeys(Object(t), !0).forEach(function (r) { _defineProperty(e, r, t[r]); }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(e, Object.getOwnPropertyDescriptors(t)) : ownKeys(Object(t)).forEach(function (r) { Object.defineProperty(e, r, Object.getOwnPropertyDescriptor(t, r)); }); } return e; }
import React, { useEffect, useRef } from 'react';
import { UploadContext } from './UploadContext';
import UploadFileListCell from './UploadFileListCell';
import useUpload from './useUpload';
import { isAsync } from '../../shared/helpers/isAsync';
function UploadFileList() {
  const context = React.useContext(UploadContext);
  const {
    id,
    fileListAriaLabel,
    deleteButton,
    download,
    allowDuplicates,
    loadingText,
    onFileDelete,
    onFileClick,
    onChange
  } = context;
  const {
    files,
    setFiles,
    setInternalFiles
  } = useUpload(id);
  const filesRef = useRef(null);
  useEffect(() => {
    filesRef.current = files;
  }, [files]);
  if (files === null || files.length < 1) {
    return null;
  }
  const removeFile = fileToBeRemoved => {
    return filesRef.current.filter(fileListElement => fileListElement.file != fileToBeRemoved.file);
  };
  const updateFile = (fileToBeUpdated, props) => {
    return filesRef.current.map(fileListElement => {
      const idIsSame = fileListElement.id && fileListElement.id === fileToBeUpdated.id;
      const fileIsSame = fileListElement.file && fileListElement.file === fileToBeUpdated.file;
      return idIsSame || fileIsSame ? _objectSpread(_objectSpread({}, fileListElement), props) : fileListElement;
    });
  };
  const updateFiles = updatedFiles => {
    setFiles(updatedFiles);
    setInternalFiles(updatedFiles);
    if (typeof onChange === 'function') {
      onChange({
        files: updatedFiles
      });
    }
  };
  const handleDeleteAsync = async uploadFile => {
    updateFiles(updateFile(uploadFile, {
      isLoading: true,
      errorMessage: null
    }));
    try {
      await onFileDelete({
        fileItem: uploadFile
      });
      updateFiles(removeFile(uploadFile));
    } catch (error) {
      updateFiles(updateFile(uploadFile, {
        isLoading: false,
        errorMessage: error.message
      }));
    }
  };
  const handleFileClickAsync = async uploadFile => {
    updateFiles(updateFile(uploadFile, {
      isLoading: true
    }));
    await onFileClick({
      fileItem: uploadFile
    });
    updateFiles(updateFile(uploadFile, {
      isLoading: false
    }));
  };
  return React.createElement("ul", {
    className: "dnb-upload__file-list",
    "aria-label": fileListAriaLabel
  }, files.map((uploadFile, index) => {
    const onDeleteHandler = async () => {
      if (typeof onFileDelete === 'function') {
        if (isAsync(onFileDelete)) {
          handleDeleteAsync(uploadFile);
        } else {
          onFileDelete({
            fileItem: uploadFile
          });
          updateFiles(removeFile(uploadFile));
        }
      } else {
        updateFiles(removeFile(uploadFile));
      }
    };
    const onFileClickHandler = async () => {
      if (typeof onFileClick === 'function') {
        if (isAsync(onFileClick)) {
          handleFileClickAsync(uploadFile);
        } else {
          onFileClick({
            fileItem: uploadFile
          });
        }
      }
    };
    return React.createElement(UploadFileListCell, {
      key: index,
      id: id,
      uploadFile: uploadFile,
      onDelete: onDeleteHandler,
      onClick: onFileClick && onFileClickHandler,
      deleteButtonText: deleteButton,
      loadingText: loadingText,
      download: download,
      allowDuplicates: allowDuplicates
    });
  }));
}
export default UploadFileList;
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