test-do-not-use-react-drop-to-upload/dist/react-drop-to-upload.umd.js

React component for drop-to-upload

(function (global, factory) {
  if (typeof define === "function" && define.amd) {
    define(['exports', 'react'], factory);
  } else if (typeof exports !== "undefined") {
    factory(exports, require('react'));
  } else {
    var mod = {
      exports: {}
    };
    factory(mod.exports, global.react);
    global.index = mod.exports;
  }
})(this, function (exports, _react) {
  'use strict';

  Object.defineProperty(exports, "__esModule", {
    value: true
  });

  var _react2 = _interopRequireDefault(_react);

  function _interopRequireDefault(obj) {
    return obj && obj.__esModule ? obj : {
      default: obj
    };
  }

  function _classCallCheck(instance, Constructor) {
    if (!(instance instanceof Constructor)) {
      throw new TypeError("Cannot call a class as a function");
    }
  }

  var _createClass = function () {
    function defineProperties(target, props) {
      for (var i = 0; i < props.length; i++) {
        var descriptor = props[i];
        descriptor.enumerable = descriptor.enumerable || false;
        descriptor.configurable = true;
        if ("value" in descriptor) descriptor.writable = true;
        Object.defineProperty(target, descriptor.key, descriptor);
      }
    }

    return function (Constructor, protoProps, staticProps) {
      if (protoProps) defineProperties(Constructor.prototype, protoProps);
      if (staticProps) defineProperties(Constructor, staticProps);
      return Constructor;
    };
  }();

  function _possibleConstructorReturn(self, call) {
    if (!self) {
      throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
    }

    return call && (typeof call === "object" || typeof call === "function") ? call : self;
  }

  function _inherits(subClass, superClass) {
    if (typeof superClass !== "function" && superClass !== null) {
      throw new TypeError("Super expression must either be null or a function, not " + typeof superClass);
    }

    subClass.prototype = Object.create(superClass && superClass.prototype, {
      constructor: {
        value: subClass,
        enumerable: false,
        writable: true,
        configurable: true
      }
    });
    if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass;
  }

  var NOOP = function NOOP() {
    return 0;
  };

  var DropToUpload = function (_Component) {
    _inherits(DropToUpload, _Component);

    function DropToUpload(props) {
      _classCallCheck(this, DropToUpload);

      var _this = _possibleConstructorReturn(this, (DropToUpload.__proto__ || Object.getPrototypeOf(DropToUpload)).call(this, props));

      _this.handleDragOver = _this.handleDragOver.bind(_this);
      _this.handleDragLeave = _this.handleDragLeave.bind(_this);
      _this.handleDrop = _this.handleDrop.bind(_this);
      return _this;
    }

    _createClass(DropToUpload, [{
      key: 'handleDragOver',
      value: function handleDragOver(evt) {
        evt.preventDefault();
        evt.stopPropagation();

        if (this.props.dropEffect) {
          evt.dataTransfer.dropEffect = this.props.dropEffect;
        }

        this.props.onOver(evt);
      }
    }, {
      key: 'handleDragLeave',
      value: function handleDragLeave(evt) {
        evt.preventDefault();
        evt.stopPropagation();

        this.props.onLeave(evt);
      }
    }, {
      key: 'handleDrop',
      value: function handleDrop(evt) {
        evt.preventDefault();
        evt.stopPropagation();

        var _props = this.props;
        var onDrop = _props.onDrop;
        var onDropArrayBuffer = _props.onDropArrayBuffer;
        var onDropDataURI = _props.onDropDataURI;


        var files = [].slice.call(getEventFiles(evt));

        if (files.length) {
          onDrop === NOOP || onDrop(files);

          onDropArrayBuffer === NOOP || Promise.all(files.map(function (file) {
            return readAsArrayBuffer(file);
          })).then(function (arrayBuffers) {
            return onDropArrayBuffer(arrayBuffers, files);
          });

          onDropDataURI === NOOP || Promise.all(files.map(function (file) {
            return readAsDataURI(file);
          })).then(function (dataURIs) {
            return onDropDataURI(dataURIs, files);
          });
        }
      }
    }, {
      key: 'render',
      value: function render() {
        var props = this.props;


        return _react2.default.createElement(this.props.element, {
          className: props.className,
          id: props.id,
          onDragOver: this.handleDragOver,
          onDragLeave: this.handleDragLeave,
          onDrop: this.handleDrop,
          style: props.style
        }, this.props.children);
      }
    }], [{
      key: 'defaultProps',
      get: function get() {
        return {
          element: 'div',
          onDrop: NOOP,
          onDropArrayBuffer: NOOP,
          onDropDataURI: NOOP,
          onOver: NOOP,
          onLeave: NOOP
        };
      }
    }, {
      key: 'propTypes',
      get: function get() {
        return {
          className: _react.PropTypes.string,
          dropEffect: _react.PropTypes.oneOf(['copy', 'link', 'move', 'none']),
          element: _react.PropTypes.oneOfType([_react.PropTypes.element, _react.PropTypes.string]),
          id: _react.PropTypes.string,
          onDropArrayBuffer: _react.PropTypes.func,
          onDropDataURI: _react.PropTypes.func,
          onOver: _react.PropTypes.func,
          onLeave: _react.PropTypes.func,
          style: _react.PropTypes.any
        };
      }
    }]);

    return DropToUpload;
  }(_react.Component);

  exports.default = DropToUpload;


  function getEventFiles(evt) {
    return evt.target.files || (evt.dataTransfer ? evt.dataTransfer.files : null);
  }

  function readAsArrayBuffer(file) {
    return readAs(file, 'ArrayBuffer');
  }

  function readAsDataURI(file) {
    return readAs(file, 'DataURL');
  }

  function readAs(file, type) {
    return new Promise(function (resolve, reject) {
      var reader = new FileReader();

      reader.onerror = function () {
        return reject(reader.error);
      };
      reader.onloadend = function () {
        return resolve(reader.result);
      };

      reader['readAs' + type](file);
    });
  }
});