flights_web_raw/node_modules/primereact/datascroller/datascroller.js

this.primereact = this.primereact || {};
this.primereact.datascroller = (function (exports, React, api, componentbase, hooks, utils) {
  'use strict';

  function _interopNamespace(e) {
    if (e && e.__esModule) return e;
    var n = Object.create(null);
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        for (var r in t) ({}).hasOwnProperty.call(t, r) && (n[r] = t[r]);
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    }, _extends.apply(null, arguments);
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  function _arrayWithoutHoles(r) {
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  function _iterableToArray(r) {
    if ("undefined" != typeof Symbol && null != r[Symbol.iterator] || null != r["@@iterator"]) return Array.from(r);
  }

  function _unsupportedIterableToArray(r, a) {
    if (r) {
      if ("string" == typeof r) return _arrayLikeToArray(r, a);
      var t = {}.toString.call(r).slice(8, -1);
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  }

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

  function _toConsumableArray(r) {
    return _arrayWithoutHoles(r) || _iterableToArray(r) || _unsupportedIterableToArray(r) || _nonIterableSpread();
  }

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

  function _iterableToArrayLimit(r, l) {
    var t = null == r ? null : "undefined" != typeof Symbol && r[Symbol.iterator] || r["@@iterator"];
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  }

  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(r, e) {
    return _arrayWithHoles(r) || _iterableToArrayLimit(r, e) || _unsupportedIterableToArray(r, e) || _nonIterableRest();
  }

  var classes = {
    header: 'p-datascroller-header',
    footer: 'p-datascroller-footer',
    content: 'p-datascroller-content',
    list: 'p-datascroller-list',
    root: function root(_ref) {
      var props = _ref.props;
      return utils.classNames('p-datascroller p-component', {
        'p-datascroller-inline': props.inline
      });
    }
  };
  var styles = "\n@layer primereact {\n    .p-datascroller .p-datascroller-header {\n        text-align: center;\n        padding: .5em .75em;\n        border-bottom: 0 none;\n    }\n    \n    .p-datascroller .p-datascroller-footer {\n        text-align: center;\n        padding: .25em .625em;\n        border-top: 0px none;\n    }\n    \n    .p-datascroller .p-datascroller-content {\n        padding: .25em .625em;\n    }\n    \n    .p-datascroller-inline .p-datascroller-content {\n        overflow: auto;\n    }\n    \n    .p-datascroller .p-datascroller-list {\n        list-style-type: none; \n        margin: 0;\n        padding: 0;\n    }\n}\n";
  var inlineStyles = {
    content: function content(_ref2) {
      var props = _ref2.props;
      return {
        maxHeight: props.scrollHeight
      };
    }
  };
  var DataScrollerBase = componentbase.ComponentBase.extend({
    defaultProps: {
      __TYPE: 'DataScroller',
      id: null,
      value: null,
      rows: 0,
      inline: false,
      scrollHeight: null,
      loader: false,
      buffer: 0.9,
      style: null,
      className: null,
      onLazyLoad: null,
      emptyMessage: null,
      itemTemplate: null,
      header: null,
      footer: null,
      lazy: false,
      children: undefined
    },
    css: {
      classes: classes,
      styles: styles,
      inlineStyles: inlineStyles
    }
  });

  var DataScroller = /*#__PURE__*/React__namespace.memo(/*#__PURE__*/React__namespace.forwardRef(function (inProps, ref) {
    var mergeProps = hooks.useMergeProps();
    var context = React__namespace.useContext(api.PrimeReactContext);
    var props = DataScrollerBase.getProps(inProps, context);
    var _React$useState = React__namespace.useState([]),
      _React$useState2 = _slicedToArray(_React$useState, 2),
      dataToRenderState = _React$useState2[0],
      setDataToRenderState = _React$useState2[1];
    var _DataScrollerBase$set = DataScrollerBase.setMetaData({
        props: props
      }),
      ptm = _DataScrollerBase$set.ptm,
      cx = _DataScrollerBase$set.cx,
      sx = _DataScrollerBase$set.sx,
      isUnstyled = _DataScrollerBase$set.isUnstyled;
    componentbase.useHandleStyle(DataScrollerBase.css.styles, isUnstyled, {
      name: 'datascroller'
    });
    var elementRef = React__namespace.useRef(null);
    var contentRef = React__namespace.useRef(null);
    var value = React__namespace.useRef(props.value);
    var dataToRender = React__namespace.useRef([]);
    var first = React__namespace.useRef(0);
    var scrollFunction = React__namespace.useRef(null);
    var handleDataChange = function handleDataChange() {
      if (props.lazy) {
        dataToRender.current = value.current;
        setDataToRenderState(_toConsumableArray(dataToRender.current));
      } else {
        load();
      }
    };
    var load = function load() {
      if (props.lazy) {
        if (props.onLazyLoad) {
          props.onLazyLoad(createLazyLoadMetadata());
        }
        first.current = first.current + props.rows;
      } else if (value.current) {
        for (var i = first.current; i < first.current + props.rows; i++) {
          if (i >= value.current.length) {
            break;
          }
          dataToRender.current.push(value.current[i]);
        }
        if (value.current.length !== 0) {
          first.current = first.current + props.rows;
        }
        setDataToRenderState(_toConsumableArray(dataToRender.current));
      }
    };
    var reset = function reset() {
      first.current = 0;
      dataToRender.current = [];
      setDataToRenderState(_toConsumableArray(dataToRender.current));
      load();
    };
    var createLazyLoadMetadata = function createLazyLoadMetadata() {
      return {
        first: first.current,
        rows: props.rows
      };
    };
    var bindScrollListener = function bindScrollListener() {
      if (props.inline) {
        scrollFunction.current = function () {
          var scrollTop = contentRef.current.scrollTop;
          var scrollHeight = contentRef.current.scrollHeight;
          var viewportHeight = contentRef.current.clientHeight;
          if (scrollTop >= scrollHeight * props.buffer - viewportHeight) {
            load();
          }
        };
        contentRef.current.addEventListener('scroll', scrollFunction.current);
      } else {
        scrollFunction.current = function () {
          var docBody = document.body;
          var docElement = document.documentElement;
          var scrollTop = window.pageYOffset || document.documentElement.scrollTop;
          var winHeight = docElement.clientHeight;
          var docHeight = Math.max(docBody.scrollHeight, docBody.offsetHeight, winHeight, docElement.scrollHeight, docElement.offsetHeight);
          if (scrollTop >= docHeight * props.buffer - winHeight) {
            load();
          }
        };
        window.addEventListener('scroll', scrollFunction.current);
      }
    };
    var unbindScrollListener = function unbindScrollListener() {
      if (scrollFunction.current) {
        if (props.inline && contentRef.current) {
          contentRef.current.removeEventListener('scroll', scrollFunction.current);
        } else if (!props.loader) {
          window.removeEventListener('scroll', scrollFunction.current);
        }
      }
      scrollFunction.current = null;
    };
    hooks.useMountEffect(function () {
      load();
      if (!props.loader) {
        bindScrollListener();
      }
    });
    hooks.useUpdateEffect(function () {
      if (props.value) {
        value.current = props.value;
        if (!props.lazy) {
          first.current = 0;
        }
        dataToRender.current = [];
        handleDataChange();
      }
    }, [props.value]);
    hooks.useUpdateEffect(function () {
      if (props.loader) {
        unbindScrollListener();
      } else {
        bindScrollListener();
      }
    }, [props.loader]);
    hooks.useUnmountEffect(function () {
      if (scrollFunction.current) {
        unbindScrollListener();
      }
    });
    React__namespace.useImperativeHandle(ref, function () {
      return {
        props: props,
        load: load,
        reset: reset,
        getElement: function getElement() {
          return elementRef.current;
        },
        getContent: function getContent() {
          return contentRef.current;
        }
      };
    });
    var createHeader = function createHeader() {
      var headerProps = mergeProps({
        className: cx('header')
      }, ptm('header'));
      if (props.header) {
        return /*#__PURE__*/React__namespace.createElement("div", headerProps, props.header);
      }
      return null;
    };
    var createFooter = function createFooter() {
      var footerProps = mergeProps({
        className: cx('footer')
      }, ptm('footer'));
      if (props.footer) {
        return /*#__PURE__*/React__namespace.createElement("div", footerProps, props.footer);
      }
      return null;
    };
    var createItem = function createItem(_value, index) {
      var itemProps = ptm('item');
      var content = props.itemTemplate ? props.itemTemplate(_value) : _value;
      return /*#__PURE__*/React__namespace.createElement("li", _extends({}, itemProps, {
        key: index + '_datascrollitem'
      }), content);
    };
    var createEmptyMessage = function createEmptyMessage() {
      var emptyMessageProps = mergeProps(ptm('emptyMessage'));
      var content = utils.ObjectUtils.getJSXElement(props.emptyMessage, props) || api.localeOption('emptyMessage');
      return /*#__PURE__*/React__namespace.createElement("li", emptyMessageProps, content);
    };
    var createContent = function createContent() {
      var contentProps = mergeProps({
        ref: contentRef,
        className: cx('content'),
        style: sx('content')
      }, ptm('content'));
      var listProps = mergeProps({
        className: cx('list')
      }, ptm('list'));
      var content = utils.ObjectUtils.isNotEmpty(dataToRenderState) ? dataToRenderState.map(createItem) : createEmptyMessage();
      return /*#__PURE__*/React__namespace.createElement("div", contentProps, /*#__PURE__*/React__namespace.createElement("ul", listProps, content));
    };
    var header = createHeader();
    var footer = createFooter();
    var content = createContent();
    var rootProps = mergeProps({
      id: props.id,
      ref: elementRef,
      className: utils.classNames(props.className, cx('root'))
    }, DataScrollerBase.getOtherProps(props), ptm('root'));
    return /*#__PURE__*/React__namespace.createElement("div", rootProps, header, content, footer);
  }));
  DataScroller.displayName = 'DataScroller';

  exports.DataScroller = DataScroller;

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

  return exports;

})({}, React, primereact.api, primereact.componentbase, primereact.hooks, primereact.utils);