react-modal-construction-kit/es/Modal/Modal.js

A flexible Modal component kit for React

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; }; }();

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; }

import React from 'react';
import PropTypes from 'prop-types';
import Portal from '../Portal/Portal';
import { Transition } from 'react-transition-group';

import { getOriginalBodyPadding, conditionallyUpdateScrollbar, setScrollbarWidth, noop } from '../utils';

export var getTransitionStyles = function getTransitionStyles() {
  return {
    exited: {
      display: 'none'
    },
    entering: {
      opacity: 0.01,
      transform: 'scale(1.05)'
    },
    entered: {
      opacity: 1,
      transform: 'none'
    },
    exiting: {
      opacity: 0.01,
      transform: 'scale(0.90)'
    }
  };
};

var getStyle = function getStyle(_ref) {
  var zIndex = _ref.zIndex,
      isCentered = _ref.isCentered,
      transitionDuration = _ref.transitionDuration;
  return {
    component: {
      overflowX: 'hidden',
      overflowY: 'auto',
      position: 'fixed',
      top: 0,
      right: 0,
      bottom: 0,
      left: 0,
      zIndex: zIndex,
      outline: 0,
      transition: 'opacity ' + transitionDuration / 2 + 'ms linear, transform ' + transitionDuration + 'ms ease-out'
    },
    dialog: {
      display: 'flex',
      alignItems: 'center',
      position: 'relative',
      maxWidth: '500px',
      margin: isCentered ? '0 auto' : '1.75rem auto',
      minHeight: isCentered && '100%',
      width: 'auto',
      boxSizing: 'border-box',
      pointerEvents: 'none'
    },
    content: {
      position: 'relative',
      WebkitBoxOrient: 'vertical',
      WebkitBoxDirection: 'normal',
      MsFlexDirection: 'column',
      flexDirection: 'column',
      width: '100%',
      pointerEvents: 'auto',
      backgroundColor: 'white',
      backgroundClip: 'padding-box',
      outline: 0,
      display: 'flex',
      boxSizing: 'border-box'
    }
  };
};

var Modal = function (_React$Component) {
  _inherits(Modal, _React$Component);

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

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

    _this.onOpened = function (node, isAppearing) {
      var _this$props = _this.props,
          onOpened = _this$props.onOpened,
          onEntered = _this$props.onEntered;


      onOpened();
      onEntered(node, isAppearing);
    };

    _this.onClosed = function (node) {
      var _this$props2 = _this.props,
          onClosed = _this$props2.onClosed,
          onExited = _this$props2.onExited;


      onClosed();
      onExited(node);
      _this.destroy();

      if (_this._isMounted) {
        _this.setState({ isOpen: false });
      }
    };

    _this.handleEscape = function (e) {
      var _this$props3 = _this.props,
          isOpen = _this$props3.isOpen,
          hasEscapeClose = _this$props3.hasEscapeClose,
          onClosed = _this$props3.onClosed;


      if (isOpen && hasEscapeClose && e.keyCode === 27 && onClosed) {
        onClosed();
      }
    };

    _this.handleClick = function (e) {
      var hasClickedOutside = !_this.contentRef.contains(e.target);

      if (hasClickedOutside) {
        _this.props.onClosed();
      }
    };

    _this.element = null;
    _this.originalBodyPadding = null;

    _this.state = {
      isOpen: props.isOpen
    };

    if (props.isOpen) {
      _this.init();
    }
    return _this;
  }

  _createClass(Modal, [{
    key: 'componentDidMount',
    value: function componentDidMount() {
      if (this.props.onEnter) {
        this.props.onEnter();
      }

      if (this.state.isOpen && this.props.autoFocus) {
        this.setFocus();
      }

      window.addEventListener('keydown', this.handleEscape, true);

      this._isMounted = true;
    }
  }, {
    key: 'componentWillReceiveProps',
    value: function componentWillReceiveProps(nextProps) {
      if (nextProps.isOpen && !this.props.isOpen) {
        this.setState({ isOpen: nextProps.isOpen });
      }
    }
  }, {
    key: 'componentWillUpdate',
    value: function componentWillUpdate(nextProps, nextState) {
      if (nextState.isOpen && !this.state.isOpen) {
        this.init();
      }
    }
  }, {
    key: 'componentDidUpdate',
    value: function componentDidUpdate(prevProps, prevState) {
      if (this.props.autoFocus && this.state.isOpen && !prevState.isOpen) {
        this.setFocus();
      }
    }
  }, {
    key: 'componentWillUnmount',
    value: function componentWillUnmount() {
      if (this.props.onExit) {
        this.props.onExit();
      }

      if (this.state.isOpen) {
        this.destroy();
      }

      window.removeEventListener('keydown', this.handleEscape, true);

      this._isMounted = false;
    }
  }, {
    key: 'setFocus',
    value: function setFocus() {
      if (this.dialogRef && this.dialogRef.parentNode && typeof this.dialogRef.parentNode.focus === 'function') {
        this.dialogRef.parentNode.focus();
      }
    }
  }, {
    key: 'init',
    value: function init() {
      this.element = document.createElement('div');
      this.element.setAttribute('tabindex', '-1');
      this.element.style.position = 'relative';
      this.element.style.zIndex = this.props.zIndex;
      this.originalBodyPadding = getOriginalBodyPadding();

      conditionallyUpdateScrollbar();

      document.body.appendChild(this.element);

      if (!this._bodyStyleAdded) {
        document.body.style.overflow = 'hidden';
        this._bodyStyleAdded = true;
      }
    }
  }, {
    key: 'destroy',
    value: function destroy() {
      if (this.element) {
        document.body.removeChild(this.element);
        this.element = null;
      }

      if (this._bodyStyleAdded) {
        document.body.style.overflow = null;
        this._bodyStyleAdded = false;
      }

      setScrollbarWidth(this.originalBodyPadding);
    }
  }, {
    key: 'render',
    value: function render() {
      var _this2 = this;

      if (!this.state.isOpen) {
        return null;
      }

      var _props = this.props,
          isOpen = _props.isOpen,
          role = _props.role,
          transitionDuration = _props.transitionDuration,
          children = _props.children,
          className = _props.className,
          dialogClassName = _props.dialogClassName,
          contentClassName = _props.contentClassName,
          hasOutsideClickClose = _props.hasOutsideClickClose;


      var style = getStyle(this.props);

      return React.createElement(
        Portal,
        { node: this.element },
        React.createElement(
          Transition,
          {
            appear: true,
            onEntered: this.onOpened,
            onExited: this.onClosed,
            timeout: transitionDuration,
            'in': isOpen },
          function (state) {
            return React.createElement(
              'div',
              {
                onClick: hasOutsideClickClose ? _this2.handleClick : null,
                tabIndex: '-1',
                role: role,
                className: className,
                style: _extends({}, style.component, getTransitionStyles()[state]) },
              React.createElement(
                'div',
                {
                  className: dialogClassName,
                  style: style.dialog,
                  role: 'document',
                  ref: function ref(c) {
                    _this2.dialogRef = c;
                  } },
                React.createElement(
                  'div',
                  {
                    className: contentClassName,
                    ref: function ref(c) {
                      _this2.contentRef = c;
                    },
                    style: style.content },
                  children
                )
              )
            );
          }
        )
      );
    }
  }]);

  return Modal;
}(React.Component);

Modal.propTypes = {
  isOpen: PropTypes.bool,
  autoFocus: PropTypes.bool,
  hasEscapeClose: PropTypes.bool,
  hasOutsideClickClose: PropTypes.bool,
  role: PropTypes.string,
  onEnter: PropTypes.func,
  onExit: PropTypes.func,
  onOpened: PropTypes.func,
  onClosed: PropTypes.func,
  zIndex: PropTypes.number,
  children: PropTypes.node.isRequired,
  onEntered: PropTypes.func,
  onExited: PropTypes.func,
  transitionDuration: PropTypes.number,
  className: PropTypes.string,
  dialogClassName: PropTypes.string,
  contentClassName: PropTypes.string,
  // eslint-disable-next-line react/no-unused-prop-types
  isCentered: PropTypes.bool
};
Modal.defaultProps = {
  isOpen: false,
  autoFocus: true,
  role: 'dialog',
  zIndex: 750,
  onOpened: noop,
  hasEscapeClose: true,
  hasOutsideClickClose: true,
  onClosed: noop,
  transitionDuration: 300,
  onEntered: noop,
  onExited: noop,
  isCentered: true
};
export default Modal;