@synapsestudios/react-drop-n-crop/lib/DropNCrop.js

A combined implementation of react-dropzone and react-cropper

'use strict';

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

var _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; };

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; }; }();

var _react = require('react');

var _react2 = _interopRequireDefault(_react);

var _propTypes = require('prop-types');

var _propTypes2 = _interopRequireDefault(_propTypes);

var _classnames = require('classnames');

var _classnames2 = _interopRequireDefault(_classnames);

var _reactCropper = require('react-cropper');

var _reactCropper2 = _interopRequireDefault(_reactCropper);

var _reactDropzone = require('react-dropzone');

var _reactDropzone2 = _interopRequireDefault(_reactDropzone);

var _bytesToSize = require('./util/bytesToSize');

var _bytesToSize2 = _interopRequireDefault(_bytesToSize);

var _fileSizeLessThan = require('./util/fileSizeLessThan');

var _fileSizeLessThan2 = _interopRequireDefault(_fileSizeLessThan);

var _fileType = require('./util/fileType');

var _fileType2 = _interopRequireDefault(_fileType);

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

function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }

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

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 DropNCrop = function (_Component) {
  _inherits(DropNCrop, _Component);

  function DropNCrop() {
    var _ref;

    var _temp, _this, _ret;

    _classCallCheck(this, DropNCrop);

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

    return _ret = (_temp = (_this = _possibleConstructorReturn(this, (_ref = DropNCrop.__proto__ || Object.getPrototypeOf(DropNCrop)).call.apply(_ref, [this].concat(args))), _this), _this.onCrop = function () {
      var _this$props = _this.props,
          value = _this$props.value,
          onChange = _this$props.onChange;


      if (typeof _this.cropperRef.getCroppedCanvas() !== 'undefined') {
        onChange(_extends({}, value, {
          result: _this.cropperRef.getCroppedCanvas().toDataURL(value.filetype)
        }));
      }
    }, _this.onDrop = function (files) {
      var _this$props2 = _this.props,
          onChange = _this$props2.onChange,
          maxFileSize = _this$props2.maxFileSize,
          allowedFileTypes = _this$props2.allowedFileTypes;

      var fileSizeValidation = (0, _fileSizeLessThan2.default)(maxFileSize)(files);
      var fileTypeValidation = (0, _fileType2.default)(allowedFileTypes)(files);

      if (fileSizeValidation.isValid && fileTypeValidation.isValid) {
        var reader = new FileReader();
        reader.onload = function () {
          onChange({
            src: reader.result,
            filename: files[0].name,
            filetype: files[0].type,
            result: reader.result,
            error: null
          });
        };
        reader.readAsDataURL(files[0]);
      } else {
        onChange({
          error: !fileTypeValidation.isValid ? fileTypeValidation.message : !fileSizeValidation.isValid ? fileSizeValidation.message : null });
      }
    }, _temp), _possibleConstructorReturn(_this, _ret);
  }

  _createClass(DropNCrop, [{
    key: 'render',
    value: function render() {
      var _this2 = this;

      var _props = this.props,
          canvasHeight = _props.canvasHeight,
          canvasWidth = _props.canvasWidth,
          className = _props.className,
          cropperOptions = _props.cropperOptions,
          instructions = _props.instructions,
          allowedFileTypes = _props.allowedFileTypes,
          maxFileSize = _props.maxFileSize,
          value = _props.value;


      var dropNCropClasses = _defineProperty({
        'drop-n-crop': true
      }, '' + className, className);

      return _react2.default.createElement(
        'div',
        { className: (0, _classnames2.default)(dropNCropClasses) },
        value && value.src ? _react2.default.createElement(_reactCropper2.default, _extends({
          ref: function ref(input) {
            _this2.cropperRef = input;
          },
          src: value && value.src,
          style: {
            height: canvasHeight,
            width: canvasWidth
          },
          cropend: this.onCrop }, cropperOptions)) : _react2.default.createElement(
          _reactDropzone2.default,
          {
            className: 'dropzone',
            activeClassName: 'dropzone--active',
            onDrop: this.onDrop,
            style: {
              height: canvasHeight,
              width: canvasWidth
            }
          },
          _react2.default.createElement(
            'div',
            { key: 'dropzone-instructions' },
            !instructions ? _react2.default.createElement(
              'div',
              { className: 'dropzone-instructions' },
              _react2.default.createElement(
                'div',
                { className: 'dropzone-instructions--main' },
                'Drag-n-drop a file or click to add an image'
              ),
              _react2.default.createElement(
                'div',
                { className: 'dropzone-instructions--sub' },
                'Accepted file types:',
                ' ',
                allowedFileTypes.map(function (mimeType) {
                  return '.' + mimeType.split('/')[1];
                }).join(', ')
              ),
              _react2.default.createElement(
                'div',
                { className: 'dropzone-instructions--sub' },
                'Max file size: ',
                (0, _bytesToSize2.default)(maxFileSize)
              )
            ) : instructions
          ),
          value && value.error ? _react2.default.createElement(
            'div',
            {
              key: 'dropzone-validation',
              className: 'dropzone-validation'
            },
            value && value.error
          ) : null
        )
      );
    }
  }]);

  return DropNCrop;
}(_react.Component);

DropNCrop.propTypes = {
  allowedFileTypes: _propTypes2.default.array,
  canvasHeight: _propTypes2.default.string,
  canvasWidth: _propTypes2.default.string,
  className: _propTypes2.default.string,
  cropperOptions: _propTypes2.default.object,
  instructions: _propTypes2.default.node,
  maxFileSize: _propTypes2.default.number,
  onChange: _propTypes2.default.func,
  value: _propTypes2.default.shape({
    result: _propTypes2.default.string,
    filename: _propTypes2.default.string,
    filetype: _propTypes2.default.string,
    src: _propTypes2.default.string,
    error: _propTypes2.default.string
  })
};
DropNCrop.defaultProps = {
  allowedFileTypes: ['image/jpeg', 'image/jpg', 'image/png'],
  canvasHeight: '360px',
  canvasWidth: '100%',
  cropperOptions: {
    guides: true,
    viewMode: 0,
    autoCropArea: 1
  },
  maxFileSize: 3145728
};
exports.default = DropNCrop;