primereact/blockui/blockui.esm.js

PrimeReact is an open source UI library for React featuring a rich set of 90+ components, a theme designer, various theme alternatives such as Material, Bootstrap, Tailwind, premium templates and professional support. In addition, it integrates with Prime

import * as React from 'react';
import PrimeReact from 'primereact/api';
import { useMountEffect, useUpdateEffect, useUnmountEffect } from 'primereact/hooks';
import { Portal } from 'primereact/portal';
import { ObjectUtils, DomHandler, ZIndexUtils, classNames } from 'primereact/utils';

function _extends() {
  _extends = Object.assign ? Object.assign.bind() : 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;
  };
  return _extends.apply(this, arguments);
}

function _arrayWithHoles(arr) {
  if (Array.isArray(arr)) return arr;
}

function _iterableToArrayLimit(arr, i) {
  var _i = null == arr ? null : "undefined" != typeof Symbol && arr[Symbol.iterator] || arr["@@iterator"];
  if (null != _i) {
    var _s,
      _e,
      _x,
      _r,
      _arr = [],
      _n = !0,
      _d = !1;
    try {
      if (_x = (_i = _i.call(arr)).next, 0 === i) {
        if (Object(_i) !== _i) return;
        _n = !1;
      } else for (; !(_n = (_s = _x.call(_i)).done) && (_arr.push(_s.value), _arr.length !== i); _n = !0);
    } catch (err) {
      _d = !0, _e = err;
    } finally {
      try {
        if (!_n && null != _i["return"] && (_r = _i["return"](), Object(_r) !== _r)) return;
      } finally {
        if (_d) throw _e;
      }
    }
    return _arr;
  }
}

function _arrayLikeToArray(arr, len) {
  if (len == null || len > arr.length) len = arr.length;
  for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i];
  return arr2;
}

function _unsupportedIterableToArray(o, minLen) {
  if (!o) return;
  if (typeof o === "string") return _arrayLikeToArray(o, minLen);
  var n = Object.prototype.toString.call(o).slice(8, -1);
  if (n === "Object" && o.constructor) n = o.constructor.name;
  if (n === "Map" || n === "Set") return Array.from(o);
  if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen);
}

function _nonIterableRest() {
  throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");
}

function _slicedToArray(arr, i) {
  return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest();
}

var BlockUIBase = {
  defaultProps: {
    __TYPE: 'BlockUI',
    autoZIndex: true,
    baseZIndex: 0,
    blocked: false,
    className: null,
    containerClassName: null,
    containerStyle: null,
    fullScreen: false,
    id: null,
    onBlocked: null,
    onUnblocked: null,
    style: null,
    template: null,
    children: undefined
  },
  getProps: function getProps(props) {
    return ObjectUtils.getMergedProps(props, BlockUIBase.defaultProps);
  },
  getOtherProps: function getOtherProps(props) {
    return ObjectUtils.getDiffProps(props, BlockUIBase.defaultProps);
  }
};

var BlockUI = /*#__PURE__*/React.forwardRef(function (inProps, ref) {
  var props = BlockUIBase.getProps(inProps);
  var _React$useState = React.useState(props.blocked),
    _React$useState2 = _slicedToArray(_React$useState, 2),
    visibleState = _React$useState2[0],
    setVisibleState = _React$useState2[1];
  var elementRef = React.useRef(null);
  var maskRef = React.useRef(null);
  var block = function block() {
    setVisibleState(true);
  };
  var unblock = function unblock() {
    var callback = function callback() {
      setVisibleState(false);
      props.fullScreen && DomHandler.removeClass(document.body, 'p-overflow-hidden');
      props.onUnblocked && props.onUnblocked();
    };
    if (maskRef.current) {
      DomHandler.addClass(maskRef.current, 'p-component-overlay-leave');
      maskRef.current.addEventListener('animationend', function () {
        ZIndexUtils.clear(maskRef.current);
        callback();
      });
    } else {
      callback();
    }
  };
  var onPortalMounted = function onPortalMounted() {
    if (props.fullScreen) {
      DomHandler.addClass(document.body, 'p-overflow-hidden');
      document.activeElement.blur();
    }
    if (props.autoZIndex) {
      var key = props.fullScreen ? 'modal' : 'overlay';
      ZIndexUtils.set(key, maskRef.current, PrimeReact.autoZIndex, props.baseZIndex || PrimeReact.zIndex[key]);
    }
    props.onBlocked && props.onBlocked();
  };
  useMountEffect(function () {
    visibleState && block();
  });
  useUpdateEffect(function () {
    props.blocked ? block() : unblock();
  }, [props.blocked]);
  useUnmountEffect(function () {
    if (props.fullScreen) {
      DomHandler.removeClass(document.body, 'p-overflow-hidden');
    }
    ZIndexUtils.clear(maskRef.current);
  });
  React.useImperativeHandle(ref, function () {
    return {
      props: props,
      block: block,
      unblock: unblock,
      getElement: function getElement() {
        return elementRef.current;
      }
    };
  });
  var createMask = function createMask() {
    if (visibleState) {
      var appendTo = props.fullScreen ? document.body : 'self';
      var _className = classNames('p-blockui p-component-overlay p-component-overlay-enter', {
        'p-blockui-document': props.fullScreen
      }, props.className);
      var content = props.template ? ObjectUtils.getJSXElement(props.template, props) : null;
      var _mask = /*#__PURE__*/React.createElement("div", {
        ref: maskRef,
        className: _className,
        style: props.style
      }, content);
      return /*#__PURE__*/React.createElement(Portal, {
        element: _mask,
        appendTo: appendTo,
        onMounted: onPortalMounted
      });
    }
    return null;
  };
  var otherProps = BlockUIBase.getOtherProps(props);
  var mask = createMask();
  var className = classNames('p-blockui-container', props.containerClassName);
  return /*#__PURE__*/React.createElement("div", _extends({
    id: props.id,
    ref: elementRef,
    className: className,
    style: props.containerStyle
  }, otherProps), props.children, mask);
});
BlockUI.displayName = 'BlockUI';

export { BlockUI };