preact-arco-design/es/Upload/upload.js

Arco Design React UI Library.

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import React, { forwardRef, useContext, useRef, useState, useImperativeHandle } from "preact/compat";
import cs from "../_util/classNames";
import UploadList from "./list/index";
import Uploader from "./uploader";
import { isFunction, isArray, isNumber } from "../_util/is";
import { STATUS } from "./interface";
import { ConfigContext } from "../ConfigProvider";
import omit from "../_util/omit";
import useMergeProps from "../_util/hooks/useMergeProps";

var processFile = function processFile(fileList) {
  var res = {};

  if (!isArray(fileList)) {
    return res;
  }

  fileList.forEach(function (file, index) {
    if (file.uid) {
      res[file.uid] = __assign({
        status: STATUS.success,
        percent: 100
      }, file);
    } else {
      var uid = "".concat(String(+new Date())).concat(index);
      res[uid] = __assign(__assign({}, file), {
        uid: uid,
        status: STATUS.success,
        percent: 100
      });
    }
  });
  return res;
};

var getFileList = function getFileList(uploadState) {
  return Object.keys(uploadState).map(function (x) {
    return uploadState[x];
  });
};

var defaultProps = {
  listType: 'text',
  autoUpload: true,
  showUploadList: true,
  beforeUpload: function beforeUpload() {
    return true;
  }
};

var Upload = function Upload(baseProps, ref) {
  var _a;

  var _b = useContext(ConfigContext),
      getPrefixCls = _b.getPrefixCls,
      componentConfig = _b.componentConfig,
      rtl = _b.rtl;

  var props = useMergeProps(baseProps, defaultProps, componentConfig === null || componentConfig === void 0 ? void 0 : componentConfig.Upload);
  var prefixCls = getPrefixCls('upload');
  var uploaderRef = useRef();
  var uploadState = useRef({});

  var _c = __read(useState('fileList' in props ? processFile(props.fileList) : 'defaultFileList' in props ? processFile(props.defaultFileList) : {}), 2),
      innerUploadState = _c[0],
      setInnerUploadState = _c[1];

  uploadState.current = 'fileList' in props ? processFile(props.fileList) : innerUploadState;

  var deleteUpload = function deleteUpload(file) {
    var obj = __assign({}, uploadState.current);

    delete obj[file.uid];

    if (!('fileList' in props)) {
      setInnerUploadState(obj);
    }

    props.onChange && props.onChange(getFileList(obj), file);
  };

  var uploadFile = function uploadFile(file) {
    file && setTimeout(function () {
      uploaderRef.current && uploaderRef.current.upload(file);
    }, 0);
  }; // 重新上传


  var reuploadFile = function reuploadFile(file) {
    uploaderRef.current && uploaderRef.current.reupload(file);
    props.onReupload && props.onReupload(file);
  }; // 移除文件，如果正在上传，终止上传


  var removeFile = function removeFile(file) {
    if (file) {
      var onRemove = props.onRemove;
      Promise.resolve(isFunction(onRemove) ? onRemove(file) : onRemove).then(function (val) {
        if (val !== false) {
          uploaderRef.current && uploaderRef.current.abort(file);
          deleteUpload(file);
        }
      }).catch(function (e) {
        console.error(e);
      });
    }
  }; // 中止文件上传


  var abortFile = function abortFile(file) {
    if (file) {
      uploaderRef.current && uploaderRef.current.abort(file);
    }
  };

  useImperativeHandle(ref, function () {
    return {
      submit: function submit(file) {
        var list = [];

        if (file) {
          list = [file];
        } else {
          list = getFileList(uploadState.current).filter(function (x) {
            return x.status === STATUS.init;
          });
        }

        list.forEach(function (x) {
          uploadFile(x);
        });
      },
      // file: fileList中的file对象
      abort: function abort(file) {
        abortFile(file);
      },
      // file: fileList中的file对象
      reupload: function reupload(file) {
        reuploadFile(file);
      }
    };
  });

  var listType = props.listType,
      className = props.className,
      style = props.style,
      renderUploadItem = props.renderUploadItem,
      showUploadList = props.showUploadList,
      renderUploadList = props.renderUploadList,
      progressProps = props.progressProps,
      rest = __rest(props, ["listType", "className", "style", "renderUploadItem", "showUploadList", "renderUploadList", "progressProps"]);

  var fileList = getFileList(uploadState.current);
  var limit = isNumber(props.limit) ? {
    hideOnExceedLimit: true,
    maxCount: props.limit
  } : __assign({
    hideOnExceedLimit: true
  }, props.limit);
  var exceedLimit = limit.maxCount && limit.maxCount <= fileList.length;
  var disabledUploadDom = 'disabled' in props ? props.disabled : !limit.hideOnExceedLimit && exceedLimit;
  var uploadDom = React.createElement("div", __assign({}, omit(rest, ['disabled', 'directory', 'onReupload', 'defaultFileList', 'fileList', 'autoUpload', 'error', 'action', 'multiple', 'name', 'accept', 'customRequest', 'children', 'autoUpload', 'limit', 'drag', 'tip', 'headers', 'data', 'withCredentials', 'onChange', 'onPreview', 'onRemove', 'onProgress', 'onExceedLimit', 'beforeUpload', 'onDrop']), {
    className: cs(prefixCls, (_a = {}, _a["".concat(prefixCls, "-type-").concat(listType)] = listType, _a["".concat(prefixCls, "-drag")] = props.drag, _a["".concat(prefixCls, "-disabled")] = disabledUploadDom, _a["".concat(prefixCls, "-hide")] = limit.hideOnExceedLimit && exceedLimit, _a["".concat(prefixCls, "-rtl")] = rtl, _a), className),
    style: style
  }), React.createElement(Uploader, __assign({
    ref: uploaderRef
  }, props, {
    limit: limit.maxCount,
    hide: limit.hideOnExceedLimit && exceedLimit,
    disabled: disabledUploadDom,
    prefixCls: prefixCls,
    fileList: fileList,
    onProgress: function onProgress(file, e) {
      if (file) {
        if (!('fileList' in props)) {
          setInnerUploadState(function (v) {
            var _a;

            return __assign(__assign({}, v), (_a = {}, _a[file.uid] = file, _a));
          });
        }

        props.onProgress && props.onProgress(file, e);
      }
    },
    onFileStatusChange: function onFileStatusChange(file) {
      var _a;

      if (!('fileList' in props)) {
        setInnerUploadState(function (v) {
          var _a;

          return __assign(__assign({}, v), (_a = {}, _a[file.uid] = file, _a));
        });
      }

      props.onChange && props.onChange(getFileList(__assign(__assign({}, uploadState.current), (_a = {}, _a[file.uid] = file, _a))), file);
    }
  })));
  return React.createElement(React.Fragment, null, listType !== 'picture-card' && uploadDom, showUploadList && React.createElement(UploadList, {
    progressProps: progressProps,
    showUploadList: showUploadList,
    disabled: props.disabled,
    listType: listType,
    fileList: fileList,
    renderUploadItem: renderUploadItem,
    renderUploadList: renderUploadList,
    onUpload: uploadFile,
    onAbort: abortFile,
    onRemove: removeFile,
    onReupload: reuploadFile,
    onPreview: props.onPreview,
    prefixCls: prefixCls
  }), listType === 'picture-card' && uploadDom, props.tip && listType === 'picture-card' && React.createElement("div", {
    className: "".concat(prefixCls, "-trigger-tip")
  }, props.tip));
};

var UploadRef = forwardRef(Upload);
UploadRef.displayName = 'Upload';
export default UploadRef;