@jdcfe/yep-react/lib/image-picker/ImagePicker.js

一套移动端的React组件库

"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");

var _typeof = require("@babel/runtime/helpers/typeof");

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;

var _classCallCheck2 = _interopRequireDefault(require("@babel/runtime/helpers/classCallCheck"));

var _createClass2 = _interopRequireDefault(require("@babel/runtime/helpers/createClass"));

var _assertThisInitialized2 = _interopRequireDefault(require("@babel/runtime/helpers/assertThisInitialized"));

var _inherits2 = _interopRequireDefault(require("@babel/runtime/helpers/inherits"));

var _possibleConstructorReturn2 = _interopRequireDefault(require("@babel/runtime/helpers/possibleConstructorReturn"));

var _getPrototypeOf2 = _interopRequireDefault(require("@babel/runtime/helpers/getPrototypeOf"));

var React = _interopRequireWildcard(require("react"));

var _classnames = _interopRequireDefault(require("classnames"));

var _noop = _interopRequireDefault(require("../_utils/noop"));

function _getRequireWildcardCache(nodeInterop) { if (typeof WeakMap !== "function") return null; var cacheBabelInterop = new WeakMap(); var cacheNodeInterop = new WeakMap(); return (_getRequireWildcardCache = function _getRequireWildcardCache(nodeInterop) { return nodeInterop ? cacheNodeInterop : cacheBabelInterop; })(nodeInterop); }

function _interopRequireWildcard(obj, nodeInterop) { if (!nodeInterop && obj && obj.__esModule) { return obj; } if (obj === null || _typeof(obj) !== "object" && typeof obj !== "function") { return { default: obj }; } var cache = _getRequireWildcardCache(nodeInterop); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (key !== "default" && Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; }

function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = (0, _getPrototypeOf2.default)(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = (0, _getPrototypeOf2.default)(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return (0, _possibleConstructorReturn2.default)(this, result); }; }

function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {})); return true; } catch (e) { return false; } }

var ImagePicker = /*#__PURE__*/function (_React$PureComponent) {
  (0, _inherits2.default)(ImagePicker, _React$PureComponent);

  var _super = _createSuper(ImagePicker);

  function ImagePicker(props) {
    var _this;

    (0, _classCallCheck2.default)(this, ImagePicker);
    _this = _super.call(this, props);
    _this.state = {};
    _this.fileChange = _this.fileChange.bind((0, _assertThisInitialized2.default)(_this));
    return _this;
  }

  (0, _createClass2.default)(ImagePicker, [{
    key: "removeImagePriv",
    value: function removeImagePriv(index) {
      var _this$props$removeIma = this.props.removeImage,
          removeImage = _this$props$removeIma === void 0 ? function () {} : _this$props$removeIma;
      removeImage(index);
    }
  }, {
    key: "fileChange",
    value: function fileChange(e) {
      var _this$props = this.props,
          name = _this$props.name,
          formDataAction = _this$props.formDataAction,
          customSize = _this$props.customSize,
          fileLimitCallback = _this$props.fileLimitCallback;
      var file = e.target.files[0];
      var imgFormData = new FormData(); // 判断上传文件的类型，若不是jpeg jpg png gif类型，不执行上传操作

      if (file && file.type !== 'image/jpeg' && file.type !== 'image/png' && file.type !== 'image/gif') {
        return;
      }

      imgFormData.append("".concat(name), file && file); // 若customSize设置为0表示不限制图片大小，不设置或者设置为其他值表示采用默认图片大小

      if (customSize !== 0) {
        fileLimitCallback && fileLimitCallback(file && file);

        if (file && file.size > customSize * 1024) {
          return;
        }
      }

      var reader = new FileReader();

      reader.onload = function (e) {
        var currentTarget = e.currentTarget;
        var dataUrl = currentTarget && currentTarget.result;

        if (!dataUrl) {
          return;
        }

        formDataAction && formDataAction(imgFormData, {
          url: dataUrl
        });
      };

      file && reader.readAsDataURL(file);

      if (this.input) {
        this.input.value = '';
      }
    }
  }, {
    key: "render",
    value: function render() {
      var _this2 = this;

      var _this$props2 = this.props,
          files = _this$props2.files,
          name = _this$props2.name,
          height = _this$props2.height,
          width = _this$props2.width;
      var wrapperCls = (0, _classnames.default)('Yep-upload-wrapper');
      return /*#__PURE__*/React.createElement("div", {
        className: wrapperCls
      }, files && files.map(function (imgItem, index) {
        return /*#__PURE__*/React.createElement("div", {
          className: "upload-flex-item",
          key: index
        }, /*#__PURE__*/React.createElement("div", {
          className: "upload-flex-item-del",
          onClick: function onClick() {
            _this2.removeImagePriv(index);
          }
        }), /*#__PURE__*/React.createElement("img", {
          className: "upload-flex-item-img",
          src: "".concat(imgItem.url),
          style: {
            width: width,
            height: height
          }
        }));
      }), /*#__PURE__*/React.createElement("div", {
        className: "upload-flex-item upload-add"
      }, /*#__PURE__*/React.createElement("div", {
        className: "upload-add-picker",
        style: {
          width: width,
          height: height
        }
      }, /*#__PURE__*/React.createElement("input", {
        ref: function ref(input) {
          _this2.input = input;
        },
        type: "file",
        name: name,
        accept: "image/*",
        onChange: this.fileChange
      }))));
    }
  }]);
  return ImagePicker;
}(React.PureComponent);

exports.default = ImagePicker;
ImagePicker.defaultProps = {
  files: [],
  width: '75px',
  height: '75px',
  customSize: 1024,
  removeImage: _noop.default
};