choerodon-ui/es/rc-components/upload/AjaxUploader.js

An enterprise-class UI design language and React-based implementation

import _extends from "@babel/runtime/helpers/extends";
import _classCallCheck from "@babel/runtime/helpers/classCallCheck";
import _createClass from "@babel/runtime/helpers/createClass";
import _assertThisInitialized from "@babel/runtime/helpers/assertThisInitialized";
import _inherits from "@babel/runtime/helpers/inherits";
import _possibleConstructorReturn from "@babel/runtime/helpers/possibleConstructorReturn";
import _getPrototypeOf from "@babel/runtime/helpers/getPrototypeOf";
import _defineProperty from "@babel/runtime/helpers/defineProperty";

function _createSuper(Derived) {
  function isNativeReflectConstruct() {
    if (typeof Reflect === "undefined" || !Reflect.construct) return false;
    if (Reflect.construct.sham) return false;
    if (typeof Proxy === "function") return true;

    try {
      Date.prototype.toString.call(Reflect.construct(Date, [], function () {}));
      return true;
    } catch (e) {
      return false;
    }
  }

  return function () {
    var Super = _getPrototypeOf(Derived),
        result;

    if (isNativeReflectConstruct()) {
      var NewTarget = _getPrototypeOf(this).constructor;

      result = Reflect.construct(Super, arguments, NewTarget);
    } else {
      result = Super.apply(this, arguments);
    }

    return _possibleConstructorReturn(this, result);
  };
}

/* eslint react/no-is-mounted:0 react/sort-comp:0 */
import React, { Component } from 'react';
import PropTypes from 'prop-types';
import classNames from 'classnames';
import defaultRequest from './request';
import getUid from './uid';
import attrAccept from './attr-accept';

var AjaxUploader =
/*#__PURE__*/
function (_Component) {
  _inherits(AjaxUploader, _Component);

  var _super = _createSuper(AjaxUploader);

  function AjaxUploader() {
    var _this;

    _classCallCheck(this, AjaxUploader);

    for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
      args[_key] = arguments[_key];
    }

    _this = _super.call.apply(_super, [this].concat(args));

    _defineProperty(_assertThisInitialized(_this), "state", {
      uid: getUid()
    });

    _defineProperty(_assertThisInitialized(_this), "reqs", {});

    _defineProperty(_assertThisInitialized(_this), "onChange", function (e) {
      var files = e.target.files;

      _this.uploadFiles(files);

      _this.reset();
    });

    _defineProperty(_assertThisInitialized(_this), "onClick", function () {
      var el = _this.fileInput;

      if (!el) {
        return;
      }

      el.click();
    });

    _defineProperty(_assertThisInitialized(_this), "onKeyDown", function (e) {
      if (e.key === 'Enter') {
        _this.onClick();
      }
    });

    _defineProperty(_assertThisInitialized(_this), "onFileDrop", function (e) {
      if (e.type === 'dragover') {
        e.preventDefault();
        return;
      }

      var files = Array.prototype.slice.call(e.dataTransfer.files).filter(function (file) {
        return attrAccept(file, _this.props.accept);
      });

      _this.uploadFiles(files);

      e.preventDefault();
    });

    _defineProperty(_assertThisInitialized(_this), "saveFileInput", function (node) {
      _this.fileInput = node;
    });

    return _this;
  }

  _createClass(AjaxUploader, [{
    key: "componentDidMount",
    value: function componentDidMount() {
      this._isMounted = true;
    }
  }, {
    key: "componentWillUnmount",
    value: function componentWillUnmount() {
      this._isMounted = false;
      this.abort();
    }
  }, {
    key: "uploadFiles",
    value: function uploadFiles(files) {
      var _this2 = this;

      var postFiles = Array.prototype.slice.call(files);
      postFiles.forEach(function (file) {
        file.uid = getUid();

        _this2.upload(file, postFiles);
      });
    }
  }, {
    key: "upload",
    value: function upload(file, fileList) {
      var _this3 = this;

      var props = this.props;

      if (!props.beforeUpload) {
        // always async in case use react state to keep fileList
        return setTimeout(function () {
          return _this3.post(file);
        }, 0);
      }

      var before = props.beforeUpload(file, fileList);

      if (before && before.then) {
        before.then(function (processedFile) {
          var processedFileType = Object.prototype.toString.call(processedFile);

          if (processedFileType === '[object File]' || processedFileType === '[object Blob]') {
            _this3.post(processedFile);
          } else {
            _this3.post(file);
          }
        })["catch"](function (e) {
          console && console.log(e); // eslint-disable-line
        });
      } else if (before !== false) {
        setTimeout(function () {
          return _this3.post(file);
        }, 0);
      }
    }
  }, {
    key: "post",
    value: function post(file) {
      var _this4 = this;

      var requestFileKeys = this.props.requestFileKeys;

      if (!this._isMounted) {
        return;
      }

      var props = this.props;
      var data = props.data;
      var onStart = props.onStart,
          onProgress = props.onProgress;

      if (typeof data === 'function') {
        data = data(file);
      }

      var uid = file.uid;
      var request = props.customRequest || defaultRequest;
      this.reqs[uid] = request({
        action: props.action,
        filename: props.name,
        file: file,
        data: data,
        requestFileKeys: requestFileKeys,
        // 判断传递的是数据不是文件
        headers: props.headers,
        withCredentials: props.withCredentials,
        onProgress: onProgress ? function (e) {
          onProgress(e, file);
        } : null,
        onSuccess: function onSuccess(ret, xhr) {
          delete _this4.reqs[uid];
          props.onSuccess(ret, file, xhr);
        },
        onError: function onError(err, ret) {
          delete _this4.reqs[uid];
          props.onError(err, ret, file);
        }
      });
      onStart(file);
    }
  }, {
    key: "reset",
    value: function reset() {
      this.setState({
        uid: getUid()
      });
    }
  }, {
    key: "abort",
    value: function abort(file) {
      var reqs = this.reqs;

      if (file) {
        var uid = file;

        if (file && file.uid) {
          uid = file.uid;
        }

        if (reqs[uid]) {
          reqs[uid].abort();
          delete reqs[uid];
        }
      } else {
        Object.keys(reqs).forEach(function (uid) {
          if (reqs[uid]) {
            reqs[uid].abort();
          }

          delete reqs[uid];
        });
      }
    }
  }, {
    key: "render",
    value: function render() {
      var _classNames;

      var _this$props = this.props,
          Tag = _this$props.component,
          prefixCls = _this$props.prefixCls,
          className = _this$props.className,
          disabled = _this$props.disabled,
          style = _this$props.style,
          multiple = _this$props.multiple,
          accept = _this$props.accept,
          children = _this$props.children;
      var cls = classNames((_classNames = {}, _defineProperty(_classNames, prefixCls, true), _defineProperty(_classNames, "".concat(prefixCls, "-disabled"), disabled), _defineProperty(_classNames, className, className), _classNames));
      var events = disabled ? {} : {
        onClick: this.onClick,
        onKeyDown: this.onKeyDown,
        onDrop: this.onFileDrop,
        onDragOver: this.onFileDrop,
        tabIndex: '0'
      };
      return React.createElement(Tag, _extends({}, events, {
        className: cls,
        role: "button",
        style: style
      }), React.createElement("input", {
        type: "file",
        ref: this.saveFileInput,
        key: this.state.uid,
        style: {
          display: 'none'
        },
        accept: accept,
        multiple: multiple,
        onChange: this.onChange
      }), children);
    }
  }]);

  return AjaxUploader;
}(Component);

_defineProperty(AjaxUploader, "propTypes", {
  component: PropTypes.string,
  style: PropTypes.object,
  prefixCls: PropTypes.string,
  className: PropTypes.string,
  multiple: PropTypes.bool,
  disabled: PropTypes.bool,
  accept: PropTypes.string,
  children: PropTypes.any,
  onStart: PropTypes.func,
  data: PropTypes.oneOfType([PropTypes.object, PropTypes.func]),
  headers: PropTypes.object,
  beforeUpload: PropTypes.func,
  customRequest: PropTypes.func,
  onProgress: PropTypes.func,
  withCredentials: PropTypes.bool
});

export default AjaxUploader;
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