index.js

function _interopDefault (ex) { return (ex && (typeof ex === 'object') && 'default' in ex) ? ex['default'] : ex; }

var React = require('react');
var React__default = _interopDefault(React);

function _extends() {
  _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;
  };

  return _extends.apply(this, arguments);
}

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 _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 _createForOfIteratorHelperLoose(o, allowArrayLike) {
  var it = typeof Symbol !== "undefined" && o[Symbol.iterator] || o["@@iterator"];
  if (it) return (it = it.call(o)).next.bind(it);

  if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") {
    if (it) o = it;
    var i = 0;
    return function () {
      if (i >= o.length) return {
        done: true
      };
      return {
        done: false,
        value: o[i++]
      };
    };
  }

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

(function (ViewMode) {
  ViewMode["Hour"] = "Hour";
  ViewMode["QuarterDay"] = "Quarter Day";
  ViewMode["HalfDay"] = "Half Day";
  ViewMode["Day"] = "Day";
  ViewMode["Week"] = "Week";
  ViewMode["Month"] = "Month";
})(exports.ViewMode || (exports.ViewMode = {}));

var intlDTCache = {};
var getCachedDateTimeFormat = function getCachedDateTimeFormat(locString, opts) {
  if (opts === void 0) {
    opts = {};
  }

  var key = JSON.stringify([locString, opts]);
  var dtf = intlDTCache[key];

  if (!dtf) {
    dtf = new Intl.DateTimeFormat(locString, opts);
    intlDTCache[key] = dtf;
  }

  return dtf;
};
var addToDate = function addToDate(date, quantity, scale) {
  var newDate = new Date(date.getFullYear() + (scale === "year" ? quantity : 0), date.getMonth() + (scale === "month" ? quantity : 0), date.getDate() + (scale === "day" ? quantity : 0), date.getHours() + (scale === "hour" ? quantity : 0), date.getMinutes() + (scale === "minute" ? quantity : 0), date.getSeconds() + (scale === "second" ? quantity : 0), date.getMilliseconds() + (scale === "millisecond" ? quantity : 0));
  return newDate;
};
var startOfDate = function startOfDate(date, scale) {
  var scores = ["millisecond", "second", "minute", "hour", "day", "month", "year"];

  var shouldReset = function shouldReset(_scale) {
    var maxScore = scores.indexOf(scale);
    return scores.indexOf(_scale) <= maxScore;
  };

  var newDate = new Date(date.getFullYear(), shouldReset("year") ? 0 : date.getMonth(), shouldReset("month") ? 1 : date.getDate(), shouldReset("day") ? 0 : date.getHours(), shouldReset("hour") ? 0 : date.getMinutes(), shouldReset("minute") ? 0 : date.getSeconds(), shouldReset("second") ? 0 : date.getMilliseconds());
  return newDate;
};
var ganttDateRange = function ganttDateRange(tasks, viewMode) {
  var newStartDate = tasks[0].start;
  var newEndDate = tasks[0].start;

  for (var _iterator = _createForOfIteratorHelperLoose(tasks), _step; !(_step = _iterator()).done;) {
    var task = _step.value;

    if (task.start < newStartDate) {
      newStartDate = task.start;
    }

    if (task.end > newEndDate) {
      newEndDate = task.end;
    }
  }

  switch (viewMode) {
    case exports.ViewMode.Month:
      newStartDate = addToDate(newStartDate, -1, "month");
      newStartDate = startOfDate(newStartDate, "month");
      newEndDate = addToDate(newEndDate, 1, "year");
      newEndDate = startOfDate(newEndDate, "year");
      break;

    case exports.ViewMode.Week:
      newStartDate = startOfDate(newStartDate, "day");
      newEndDate = startOfDate(newEndDate, "day");
      newStartDate = addToDate(getMonday(newStartDate), -7, "day");
      newEndDate = addToDate(newEndDate, 1.5, "month");
      break;

    case exports.ViewMode.Day:
      newStartDate = startOfDate(newStartDate, "day");
      newEndDate = startOfDate(newEndDate, "day");
      newStartDate = addToDate(newStartDate, -1, "day");
      newEndDate = addToDate(newEndDate, 19, "day");
      break;

    case exports.ViewMode.QuarterDay:
      newStartDate = startOfDate(newStartDate, "day");
      newEndDate = startOfDate(newEndDate, "day");
      newStartDate = addToDate(newStartDate, -1, "day");
      newEndDate = addToDate(newEndDate, 66, "hour");
      break;

    case exports.ViewMode.HalfDay:
      newStartDate = startOfDate(newStartDate, "day");
      newEndDate = startOfDate(newEndDate, "day");
      newStartDate = addToDate(newStartDate, -1, "day");
      newEndDate = addToDate(newEndDate, 108, "hour");
      break;

    case exports.ViewMode.Hour:
      newStartDate = startOfDate(newStartDate, "hour");
      newEndDate = startOfDate(newEndDate, "day");
      newStartDate = addToDate(newStartDate, -1, "hour");
      newEndDate = addToDate(newEndDate, 1, "day");
      break;
  }

  return [newStartDate, newEndDate];
};
var seedDates = function seedDates(startDate, endDate, viewMode) {
  var currentDate = new Date(startDate);
  var dates = [currentDate];

  while (currentDate < endDate) {
    switch (viewMode) {
      case exports.ViewMode.Month:
        currentDate = addToDate(currentDate, 1, "month");
        break;

      case exports.ViewMode.Week:
        currentDate = addToDate(currentDate, 7, "day");
        break;

      case exports.ViewMode.Day:
        currentDate = addToDate(currentDate, 1, "day");
        break;

      case exports.ViewMode.HalfDay:
        currentDate = addToDate(currentDate, 12, "hour");
        break;

      case exports.ViewMode.QuarterDay:
        currentDate = addToDate(currentDate, 6, "hour");
        break;

      case exports.ViewMode.Hour:
        currentDate = addToDate(currentDate, 1, "hour");
        break;
    }

    dates.push(currentDate);
  }

  return dates;
};
var getLocaleMonth = function getLocaleMonth(date, locale) {
  var bottomValue = getCachedDateTimeFormat(locale, {
    month: "long"
  }).format(date);
  bottomValue = bottomValue.replace(bottomValue[0], bottomValue[0].toLocaleUpperCase());
  return bottomValue;
};
var getLocalDayOfWeek = function getLocalDayOfWeek(date, locale, format) {
  var bottomValue = getCachedDateTimeFormat(locale, {
    weekday: format
  }).format(date);
  bottomValue = bottomValue.replace(bottomValue[0], bottomValue[0].toLocaleUpperCase());
  return bottomValue;
};

var getMonday = function getMonday(date) {
  var day = date.getDay();
  var diff = date.getDate() - day + (day === 0 ? -6 : 1);
  return new Date(date.setDate(diff));
};

var getWeekNumberISO8601 = function getWeekNumberISO8601(date) {
  var tmpDate = new Date(date.valueOf());
  var dayNumber = (tmpDate.getDay() + 6) % 7;
  tmpDate.setDate(tmpDate.getDate() - dayNumber + 3);
  var firstThursday = tmpDate.valueOf();
  tmpDate.setMonth(0, 1);

  if (tmpDate.getDay() !== 4) {
    tmpDate.setMonth(0, 1 + (4 - tmpDate.getDay() + 7) % 7);
  }

  var weekNumber = (1 + Math.ceil((firstThursday - tmpDate.valueOf()) / 604800000)).toString();

  if (weekNumber.length === 1) {
    return "0" + weekNumber;
  } else {
    return weekNumber;
  }
};
var getDaysInMonth = function getDaysInMonth(month, year) {
  return new Date(year, month + 1, 0).getDate();
};

var styles = {"ganttTable":"_3_ygE","ganttTable_Header":"_1nBOt","ganttTable_HeaderSeparator":"_2eZzQ","ganttTable_HeaderItem":"_WuQ0f"};

var TaskListHeaderDefault = function TaskListHeaderDefault(_ref) {
  var headerHeight = _ref.headerHeight,
      fontFamily = _ref.fontFamily,
      fontSize = _ref.fontSize,
      rowWidth = _ref.rowWidth;
  return React__default.createElement("div", {
    className: styles.ganttTable,
    style: {
      fontFamily: fontFamily,
      fontSize: fontSize
    }
  }, React__default.createElement("div", {
    className: styles.ganttTable_Header,
    style: {
      height: headerHeight - 2
    }
  }, React__default.createElement("div", {
    className: styles.ganttTable_HeaderItem,
    style: {
      minWidth: rowWidth
    }
  }, "\xA0Task Name"), React__default.createElement("div", {
    className: styles.ganttTable_HeaderSeparator,
    style: {
      height: headerHeight * 0.5,
      marginTop: headerHeight * 0.2
    }
  }), React__default.createElement("div", {
    className: styles.ganttTable_HeaderItem,
    style: {
      minWidth: rowWidth
    }
  }, "\xA0Start Date"), React__default.createElement("div", {
    className: styles.ganttTable_HeaderSeparator,
    style: {
      height: headerHeight * 0.5,
      marginTop: headerHeight * 0.25
    }
  }), React__default.createElement("div", {
    className: styles.ganttTable_HeaderItem,
    style: {
      minWidth: rowWidth
    }
  }, "\xA0Due Date")));
};

var styles$1 = {"taskListWrapper":"_3ZbQT","taskListTableRow":"_34SS0","taskListCell":"_3lLk3","taskListNameWrapper":"_nI1Xw","taskListExpander":"_2QjE6","taskListEmptyExpander":"_2TfEi"};

var localeDateStringCache = {};

var toLocaleDateStringFactory = function toLocaleDateStringFactory(locale) {
  return function (date, dateTimeOptions) {
    var key = date.toString();
    var lds = localeDateStringCache[key];

    if (!lds) {
      lds = date.toLocaleDateString(locale, dateTimeOptions);
      localeDateStringCache[key] = lds;
    }

    return lds;
  };
};

var dateTimeOptions = {
  weekday: "short",
  year: "numeric",
  month: "long",
  day: "numeric"
};
var TaskListTableDefault = function TaskListTableDefault(_ref) {
  var rowHeight = _ref.rowHeight,
      rowWidth = _ref.rowWidth,
      tasks = _ref.tasks,
      fontFamily = _ref.fontFamily,
      fontSize = _ref.fontSize,
      locale = _ref.locale,
      onExpanderClick = _ref.onExpanderClick;
  var toLocaleDateString = React.useMemo(function () {
    return toLocaleDateStringFactory(locale);
  }, [locale]);
  return React__default.createElement("div", {
    className: styles$1.taskListWrapper,
    style: {
      fontFamily: fontFamily,
      fontSize: fontSize
    }
  }, tasks.map(function (t) {
    var expanderSymbol = "";

    if (t.hideChildren === false) {
      expanderSymbol = "▼";
    } else if (t.hideChildren === true) {
      expanderSymbol = "▶";
    }

    return React__default.createElement("div", {
      className: styles$1.taskListTableRow,
      style: {
        height: rowHeight
      },
      key: t.id + "row"
    }, React__default.createElement("div", {
      className: styles$1.taskListCell,
      style: {
        minWidth: rowWidth,
        maxWidth: rowWidth
      },
      title: t.name
    }, React__default.createElement("div", {
      className: styles$1.taskListNameWrapper
    }, React__default.createElement("div", {
      className: expanderSymbol ? styles$1.taskListExpander : styles$1.taskListEmptyExpander,
      onClick: function onClick() {
        return onExpanderClick(t);
      }
    }, expanderSymbol), React__default.createElement("div", null, t.name))), React__default.createElement("div", {
      className: styles$1.taskListCell,
      style: {
        minWidth: rowWidth,
        maxWidth: rowWidth
      }
    }, "\xA0", toLocaleDateString(t.start, dateTimeOptions)), React__default.createElement("div", {
      className: styles$1.taskListCell,
      style: {
        minWidth: rowWidth,
        maxWidth: rowWidth
      }
    }, "\xA0", toLocaleDateString(t.end, dateTimeOptions)));
  }));
};

var styles$2 = {"tooltipDefaultContainer":"_3T42e","tooltipDefaultContainerParagraph":"_29NTg","tooltipDetailsContainer":"_25P-K","tooltipDetailsContainerHidden":"_3gVAq"};

var Tooltip = function Tooltip(_ref) {
  var task = _ref.task,
      rowHeight = _ref.rowHeight,
      rtl = _ref.rtl,
      svgContainerHeight = _ref.svgContainerHeight,
      svgContainerWidth = _ref.svgContainerWidth,
      scrollX = _ref.scrollX,
      scrollY = _ref.scrollY,
      arrowIndent = _ref.arrowIndent,
      fontSize = _ref.fontSize,
      fontFamily = _ref.fontFamily,
      headerHeight = _ref.headerHeight,
      taskListWidth = _ref.taskListWidth,
      TooltipContent = _ref.TooltipContent;
  var tooltipRef = React.useRef(null);

  var _useState = React.useState(0),
      relatedY = _useState[0],
      setRelatedY = _useState[1];

  var _useState2 = React.useState(0),
      relatedX = _useState2[0],
      setRelatedX = _useState2[1];

  React.useEffect(function () {
    if (tooltipRef.current) {
      var tooltipHeight = tooltipRef.current.offsetHeight * 1.1;
      var tooltipWidth = tooltipRef.current.offsetWidth * 1.1;
      var newRelatedY = task.index * rowHeight - scrollY + headerHeight;
      var newRelatedX;

      if (rtl) {
        newRelatedX = task.x1 - arrowIndent * 1.5 - tooltipWidth - scrollX;

        if (newRelatedX < 0) {
          newRelatedX = task.x2 + arrowIndent * 1.5 - scrollX;
        }

        var tooltipLeftmostPoint = tooltipWidth + newRelatedX;

        if (tooltipLeftmostPoint > svgContainerWidth) {
          newRelatedX = svgContainerWidth - tooltipWidth;
          newRelatedY += rowHeight;
        }
      } else {
        newRelatedX = task.x2 + arrowIndent * 1.5 + taskListWidth - scrollX;

        var _tooltipLeftmostPoint = tooltipWidth + newRelatedX;

        var fullChartWidth = taskListWidth + svgContainerWidth;

        if (_tooltipLeftmostPoint > fullChartWidth) {
          newRelatedX = task.x1 + taskListWidth - arrowIndent * 1.5 - scrollX - tooltipWidth;
        }

        if (newRelatedX < taskListWidth) {
          newRelatedX = svgContainerWidth + taskListWidth - tooltipWidth;
          newRelatedY += rowHeight;
        }
      }

      var tooltipLowerPoint = tooltipHeight + newRelatedY - scrollY;

      if (tooltipLowerPoint > svgContainerHeight - scrollY) {
        newRelatedY = svgContainerHeight - tooltipHeight;
      }

      setRelatedY(newRelatedY);
      setRelatedX(newRelatedX);
    }
  }, [tooltipRef.current, task, arrowIndent, scrollX, scrollY, headerHeight, taskListWidth, rowHeight, svgContainerHeight, svgContainerWidth]);
  return React__default.createElement("div", {
    ref: tooltipRef,
    className: relatedX ? styles$2.tooltipDetailsContainer : styles$2.tooltipDetailsContainerHidden,
    style: {
      left: relatedX,
      top: relatedY
    }
  }, React__default.createElement(TooltipContent, {
    task: task,
    fontSize: fontSize,
    fontFamily: fontFamily
  }));
};
var StandardTooltipContent = function StandardTooltipContent(_ref2) {
  var task = _ref2.task,
      fontSize = _ref2.fontSize,
      fontFamily = _ref2.fontFamily;
  var style = {
    fontSize: fontSize,
    fontFamily: fontFamily
  };
  return React__default.createElement("div", {
    className: styles$2.tooltipDefaultContainer,
    style: style
  }, React__default.createElement("b", {
    style: {
      fontSize: fontSize + 6
    }
  }, task.name + ": " + task.start.getDate() + "-" + (task.start.getMonth() + 1) + "-" + task.start.getFullYear() + " - " + task.end.getDate() + "-" + (task.end.getMonth() + 1) + "-" + task.end.getFullYear()), task.end.getTime() - task.start.getTime() !== 0 && React__default.createElement("p", {
    className: styles$2.tooltipDefaultContainerParagraph
  }, "Duration: " + ~~((task.end.getTime() - task.start.getTime()) / (1000 * 60 * 60 * 24)) + " day(s)"), React__default.createElement("p", {
    className: styles$2.tooltipDefaultContainerParagraph
  }, !!task.progress && "Progress: " + task.progress + " %"));
};

var styles$3 = {"scroll":"_1eT-t"};

var VerticalScroll = function VerticalScroll(_ref) {
  var scroll = _ref.scroll,
      ganttHeight = _ref.ganttHeight,
      ganttFullHeight = _ref.ganttFullHeight,
      headerHeight = _ref.headerHeight,
      rtl = _ref.rtl,
      onScroll = _ref.onScroll;
  var scrollRef = React.useRef(null);
  React.useEffect(function () {
    if (scrollRef.current) {
      scrollRef.current.scrollTop = scroll;
    }
  }, [scroll]);
  return React__default.createElement("div", {
    style: {
      height: ganttHeight,
      marginTop: headerHeight,
      marginLeft: rtl ? "" : "-17px"
    },
    className: styles$3.scroll,
    onScroll: onScroll,
    ref: scrollRef
  }, React__default.createElement("div", {
    style: {
      height: ganttFullHeight,
      width: 1
    }
  }));
};

var TaskList = function TaskList(_ref) {
  var headerHeight = _ref.headerHeight,
      fontFamily = _ref.fontFamily,
      fontSize = _ref.fontSize,
      rowWidth = _ref.rowWidth,
      rowHeight = _ref.rowHeight,
      scrollY = _ref.scrollY,
      tasks = _ref.tasks,
      selectedTask = _ref.selectedTask,
      setSelectedTask = _ref.setSelectedTask,
      onExpanderClick = _ref.onExpanderClick,
      locale = _ref.locale,
      ganttHeight = _ref.ganttHeight,
      taskListRef = _ref.taskListRef,
      horizontalContainerClass = _ref.horizontalContainerClass,
      TaskListHeader = _ref.TaskListHeader,
      TaskListTable = _ref.TaskListTable;
  var horizontalContainerRef = React.useRef(null);
  React.useEffect(function () {
    if (horizontalContainerRef.current) {
      horizontalContainerRef.current.scrollTop = scrollY;
    }
  }, [scrollY]);
  var headerProps = {
    headerHeight: headerHeight,
    fontFamily: fontFamily,
    fontSize: fontSize,
    rowWidth: rowWidth
  };
  var selectedTaskId = selectedTask ? selectedTask.id : "";
  var tableProps = {
    rowHeight: rowHeight,
    rowWidth: rowWidth,
    fontFamily: fontFamily,
    fontSize: fontSize,
    tasks: tasks,
    locale: locale,
    selectedTaskId: selectedTaskId,
    setSelectedTask: setSelectedTask,
    onExpanderClick: onExpanderClick
  };
  return React__default.createElement("div", {
    ref: taskListRef
  }, React__default.createElement(TaskListHeader, Object.assign({}, headerProps)), React__default.createElement("div", {
    ref: horizontalContainerRef,
    className: horizontalContainerClass,
    style: ganttHeight ? {
      height: ganttHeight
    } : {}
  }, React__default.createElement(TaskListTable, Object.assign({}, tableProps))));
};

var styles$4 = {"gridRow":"_2dZTy","gridRowLine":"_3rUKi","gridTick":"_RuwuK"};

var GridBody = function GridBody(_ref) {
  var tasks = _ref.tasks,
      dates = _ref.dates,
      rowHeight = _ref.rowHeight,
      svgWidth = _ref.svgWidth,
      columnWidth = _ref.columnWidth,
      todayColor = _ref.todayColor,
      rtl = _ref.rtl;
  var y = 0;
  var gridRows = [];
  var rowLines = [React__default.createElement("line", {
    key: "RowLineFirst",
    x: "0",
    y1: 0,
    x2: svgWidth,
    y2: 0,
    className: styles$4.gridRowLine
  })];

  for (var _iterator = _createForOfIteratorHelperLoose(tasks), _step; !(_step = _iterator()).done;) {
    var task = _step.value;
    gridRows.push(React__default.createElement("rect", {
      key: "Row" + task.id,
      x: "0",
      y: y,
      width: svgWidth,
      height: rowHeight,
      className: styles$4.gridRow
    }));
    rowLines.push(React__default.createElement("line", {
      key: "RowLine" + task.id,
      x: "0",
      y1: y + rowHeight,
      x2: svgWidth,
      y2: y + rowHeight,
      className: styles$4.gridRowLine
    }));
    y += rowHeight;
  }

  var now = new Date();
  var tickX = 0;
  var ticks = [];
  var today = React__default.createElement("rect", null);

  for (var i = 0; i < dates.length; i++) {
    var date = dates[i];
    ticks.push(React__default.createElement("line", {
      key: date.getTime(),
      x1: tickX,
      y1: 0,
      x2: tickX,
      y2: y,
      className: styles$4.gridTick
    }));

    if (i + 1 !== dates.length && date.getTime() < now.getTime() && dates[i + 1].getTime() >= now.getTime() || i !== 0 && i + 1 === dates.length && date.getTime() < now.getTime() && addToDate(date, date.getTime() - dates[i - 1].getTime(), "millisecond").getTime() >= now.getTime()) {
      today = React__default.createElement("rect", {
        x: tickX,
        y: 0,
        width: columnWidth,
        height: y,
        fill: todayColor
      });
    }

    if (rtl && i + 1 !== dates.length && date.getTime() >= now.getTime() && dates[i + 1].getTime() < now.getTime()) {
      today = React__default.createElement("rect", {
        x: tickX + columnWidth,
        y: 0,
        width: columnWidth,
        height: y,
        fill: todayColor
      });
    }

    tickX += columnWidth;
  }

  return React__default.createElement("g", {
    className: "gridBody"
  }, React__default.createElement("g", {
    className: "rows"
  }, gridRows), React__default.createElement("g", {
    className: "rowLines"
  }, rowLines), React__default.createElement("g", {
    className: "ticks"
  }, ticks), React__default.createElement("g", {
    className: "today"
  }, today));
};

var Grid = function Grid(props) {
  return React__default.createElement("g", {
    className: "grid"
  }, React__default.createElement(GridBody, Object.assign({}, props)));
};

var styles$5 = {"calendarBottomText":"_9w8d5","calendarTopTick":"_1rLuZ","calendarTopText":"_2q1Kt","calendarHeader":"_35nLX"};

var TopPartOfCalendar = function TopPartOfCalendar(_ref) {
  var value = _ref.value,
      x1Line = _ref.x1Line,
      y1Line = _ref.y1Line,
      y2Line = _ref.y2Line,
      xText = _ref.xText,
      yText = _ref.yText;
  return React__default.createElement("g", {
    className: "calendarTop"
  }, React__default.createElement("line", {
    x1: x1Line,
    y1: y1Line,
    x2: x1Line,
    y2: y2Line,
    className: styles$5.calendarTopTick,
    key: value + "line"
  }), React__default.createElement("text", {
    key: value + "text",
    y: yText,
    x: xText,
    className: styles$5.calendarTopText
  }, value));
};

var Calendar = function Calendar(_ref) {
  var dateSetup = _ref.dateSetup,
      locale = _ref.locale,
      viewMode = _ref.viewMode,
      rtl = _ref.rtl,
      headerHeight = _ref.headerHeight,
      columnWidth = _ref.columnWidth,
      fontFamily = _ref.fontFamily,
      fontSize = _ref.fontSize;

  var getCalendarValuesForMonth = function getCalendarValuesForMonth() {
    var topValues = [];
    var bottomValues = [];
    var topDefaultHeight = headerHeight * 0.5;

    for (var i = 0; i < dateSetup.dates.length; i++) {
      var date = dateSetup.dates[i];
      var bottomValue = getLocaleMonth(date, locale);
      bottomValues.push(React__default.createElement("text", {
        key: bottomValue + date.getFullYear(),
        y: headerHeight * 0.8,
        x: columnWidth * i + columnWidth * 0.5,
        className: styles$5.calendarBottomText
      }, bottomValue));

      if (i === 0 || date.getFullYear() !== dateSetup.dates[i - 1].getFullYear()) {
        var topValue = date.getFullYear().toString();
        var xText = void 0;

        if (rtl) {
          xText = (6 + i + date.getMonth() + 1) * columnWidth;
        } else {
          xText = (6 + i - date.getMonth()) * columnWidth;
        }

        topValues.push(React__default.createElement(TopPartOfCalendar, {
          key: topValue,
          value: topValue,
          x1Line: columnWidth * i,
          y1Line: 0,
          y2Line: topDefaultHeight,
          xText: xText,
          yText: topDefaultHeight * 0.9
        }));
      }
    }

    return [topValues, bottomValues];
  };

  var getCalendarValuesForWeek = function getCalendarValuesForWeek() {
    var topValues = [];
    var bottomValues = [];
    var weeksCount = 1;
    var topDefaultHeight = headerHeight * 0.5;
    var dates = dateSetup.dates;

    for (var i = dates.length - 1; i >= 0; i--) {
      var date = dates[i];
      var topValue = "";

      if (i === 0 || date.getMonth() !== dates[i - 1].getMonth()) {
        topValue = getLocaleMonth(date, locale) + ", " + date.getFullYear();
      }

      var bottomValue = "W" + getWeekNumberISO8601(date);
      bottomValues.push(React__default.createElement("text", {
        key: date.getTime(),
        y: headerHeight * 0.8,
        x: columnWidth * (i + +rtl),
        className: styles$5.calendarBottomText
      }, bottomValue));

      if (topValue) {
        if (i !== dates.length - 1) {
          topValues.push(React__default.createElement(TopPartOfCalendar, {
            key: topValue,
            value: topValue,
            x1Line: columnWidth * i + weeksCount * columnWidth,
            y1Line: 0,
            y2Line: topDefaultHeight,
            xText: columnWidth * i + columnWidth * weeksCount * 0.5,
            yText: topDefaultHeight * 0.9
          }));
        }

        weeksCount = 0;
      }

      weeksCount++;
    }

    return [topValues, bottomValues];
  };

  var getCalendarValuesForDay = function getCalendarValuesForDay() {
    var topValues = [];
    var bottomValues = [];
    var topDefaultHeight = headerHeight * 0.5;
    var dates = dateSetup.dates;

    for (var i = 0; i < dates.length; i++) {
      var date = dates[i];
      var bottomValue = getLocalDayOfWeek(date, locale, "short") + ", " + date.getDate().toString();
      bottomValues.push(React__default.createElement("text", {
        key: date.getTime(),
        y: headerHeight * 0.8,
        x: columnWidth * i + columnWidth * 0.5,
        className: styles$5.calendarBottomText
      }, bottomValue));

      if (i + 1 !== dates.length && date.getMonth() !== dates[i + 1].getMonth()) {
        var topValue = getLocaleMonth(date, locale);
        topValues.push(React__default.createElement(TopPartOfCalendar, {
          key: topValue + date.getFullYear(),
          value: topValue,
          x1Line: columnWidth * (i + 1),
          y1Line: 0,
          y2Line: topDefaultHeight,
          xText: columnWidth * (i + 1) - getDaysInMonth(date.getMonth(), date.getFullYear()) * columnWidth * 0.5,
          yText: topDefaultHeight * 0.9
        }));
      }
    }

    return [topValues, bottomValues];
  };

  var getCalendarValuesForPartOfDay = function getCalendarValuesForPartOfDay() {
    var topValues = [];
    var bottomValues = [];
    var ticks = viewMode === exports.ViewMode.HalfDay ? 2 : 4;
    var topDefaultHeight = headerHeight * 0.5;
    var dates = dateSetup.dates;

    for (var i = 0; i < dates.length; i++) {
      var date = dates[i];
      var bottomValue = getCachedDateTimeFormat(locale, {
        hour: "numeric"
      }).format(date);
      bottomValues.push(React__default.createElement("text", {
        key: date.getTime(),
        y: headerHeight * 0.8,
        x: columnWidth * (i + +rtl),
        className: styles$5.calendarBottomText,
        fontFamily: fontFamily
      }, bottomValue));

      if (i === 0 || date.getDate() !== dates[i - 1].getDate()) {
        var topValue = getLocalDayOfWeek(date, locale, "short") + ", " + date.getDate() + " " + getLocaleMonth(date, locale);
        topValues.push(React__default.createElement(TopPartOfCalendar, {
          key: topValue + date.getFullYear(),
          value: topValue,
          x1Line: columnWidth * i + ticks * columnWidth,
          y1Line: 0,
          y2Line: topDefaultHeight,
          xText: columnWidth * i + ticks * columnWidth * 0.5,
          yText: topDefaultHeight * 0.9
        }));
      }
    }

    return [topValues, bottomValues];
  };

  var getCalendarValuesForHour = function getCalendarValuesForHour() {
    var topValues = [];
    var bottomValues = [];
    var topDefaultHeight = headerHeight * 0.5;
    var dates = dateSetup.dates;

    for (var i = 0; i < dates.length; i++) {
      var date = dates[i];
      var bottomValue = getCachedDateTimeFormat(locale, {
        hour: "numeric"
      }).format(date);
      bottomValues.push(React__default.createElement("text", {
        key: date.getTime(),
        y: headerHeight * 0.8,
        x: columnWidth * (i + +rtl),
        className: styles$5.calendarBottomText,
        fontFamily: fontFamily
      }, bottomValue));

      if (i === 0 || date.getDate() !== dates[i - 1].getDate()) {
        var topValue = getLocalDayOfWeek(date, locale, "long") + ", " + date.getDate() + " " + getLocaleMonth(date, locale);
        var topPosition = (date.getHours() - 24) / 2;
        topValues.push(React__default.createElement(TopPartOfCalendar, {
          key: topValue + date.getFullYear(),
          value: topValue,
          x1Line: columnWidth * i,
          y1Line: 0,
          y2Line: topDefaultHeight,
          xText: columnWidth * (i + topPosition),
          yText: topDefaultHeight * 0.9
        }));
      }
    }

    return [topValues, bottomValues];
  };

  var topValues = [];
  var bottomValues = [];

  switch (dateSetup.viewMode) {
    case exports.ViewMode.Month:
      var _getCalendarValuesFor = getCalendarValuesForMonth();

      topValues = _getCalendarValuesFor[0];
      bottomValues = _getCalendarValuesFor[1];
      break;

    case exports.ViewMode.Week:
      var _getCalendarValuesFor2 = getCalendarValuesForWeek();

      topValues = _getCalendarValuesFor2[0];
      bottomValues = _getCalendarValuesFor2[1];
      break;

    case exports.ViewMode.Day:
      var _getCalendarValuesFor3 = getCalendarValuesForDay();

      topValues = _getCalendarValuesFor3[0];
      bottomValues = _getCalendarValuesFor3[1];
      break;

    case exports.ViewMode.QuarterDay:
    case exports.ViewMode.HalfDay:
      var _getCalendarValuesFor4 = getCalendarValuesForPartOfDay();

      topValues = _getCalendarValuesFor4[0];
      bottomValues = _getCalendarValuesFor4[1];
      break;

    case exports.ViewMode.Hour:
      var _getCalendarValuesFor5 = getCalendarValuesForHour();

      topValues = _getCalendarValuesFor5[0];
      bottomValues = _getCalendarValuesFor5[1];
  }

  return React__default.createElement("g", {
    className: "calendar",
    fontSize: fontSize,
    fontFamily: fontFamily
  }, React__default.createElement("rect", {
    x: 0,
    y: 0,
    width: columnWidth * dateSetup.dates.length,
    height: headerHeight,
    className: styles$5.calendarHeader
  }), bottomValues, " ", topValues);
};

// A type of promise-like that resolves synchronously and supports only one observer

const _iteratorSymbol = /*#__PURE__*/ typeof Symbol !== "undefined" ? (Symbol.iterator || (Symbol.iterator = Symbol("Symbol.iterator"))) : "@@iterator";

const _asyncIteratorSymbol = /*#__PURE__*/ typeof Symbol !== "undefined" ? (Symbol.asyncIterator || (Symbol.asyncIterator = Symbol("Symbol.asyncIterator"))) : "@@asyncIterator";

// Asynchronously call a function and send errors to recovery continuation
function _catch(body, recover) {
	try {
		var result = body();
	} catch(e) {
		return recover(e);
	}
	if (result && result.then) {
		return result.then(void 0, recover);
	}
	return result;
}

var Arrow = function Arrow(_ref) {
  var taskFrom = _ref.taskFrom,
      taskTo = _ref.taskTo,
      rowHeight = _ref.rowHeight,
      taskHeight = _ref.taskHeight,
      arrowIndent = _ref.arrowIndent,
      rtl = _ref.rtl;
  var path;
  var trianglePoints;

  if (rtl) {
    var _drownPathAndTriangle = drownPathAndTriangleRTL(taskFrom, taskTo, rowHeight, taskHeight, arrowIndent);

    path = _drownPathAndTriangle[0];
    trianglePoints = _drownPathAndTriangle[1];
  } else {
    var _drownPathAndTriangle2 = drownPathAndTriangle(taskFrom, taskTo, rowHeight, taskHeight, arrowIndent);

    path = _drownPathAndTriangle2[0];
    trianglePoints = _drownPathAndTriangle2[1];
  }

  return React__default.createElement("g", {
    className: "arrow"
  }, React__default.createElement("path", {
    strokeWidth: "1.5",
    d: path,
    fill: "none"
  }), React__default.createElement("polygon", {
    points: trianglePoints
  }));
};

var drownPathAndTriangle = function drownPathAndTriangle(taskFrom, taskTo, rowHeight, taskHeight, arrowIndent) {
  var indexCompare = taskFrom.index > taskTo.index ? -1 : 1;
  var taskToEndPosition = taskTo.y + taskHeight / 2;
  var taskFromEndPosition = taskFrom.x2 + arrowIndent * 2;
  var taskFromHorizontalOffsetValue = taskFromEndPosition < taskTo.x1 ? "" : "H " + (taskTo.x1 - arrowIndent);
  var taskToHorizontalOffsetValue = taskFromEndPosition > taskTo.x1 ? arrowIndent : taskTo.x1 - taskFrom.x2 - arrowIndent;
  var path = "M " + taskFrom.x2 + " " + (taskFrom.y + taskHeight / 2) + " \n  h " + arrowIndent + " \n  v " + indexCompare * rowHeight / 2 + " \n  " + taskFromHorizontalOffsetValue + "\n  V " + taskToEndPosition + " \n  h " + taskToHorizontalOffsetValue;
  var trianglePoints = taskTo.x1 + "," + taskToEndPosition + " \n  " + (taskTo.x1 - 5) + "," + (taskToEndPosition - 5) + " \n  " + (taskTo.x1 - 5) + "," + (taskToEndPosition + 5);
  return [path, trianglePoints];
};

var drownPathAndTriangleRTL = function drownPathAndTriangleRTL(taskFrom, taskTo, rowHeight, taskHeight, arrowIndent) {
  var indexCompare = taskFrom.index > taskTo.index ? -1 : 1;
  var taskToEndPosition = taskTo.y + taskHeight / 2;
  var taskFromEndPosition = taskFrom.x1 - arrowIndent * 2;
  var taskFromHorizontalOffsetValue = taskFromEndPosition > taskTo.x2 ? "" : "H " + (taskTo.x2 + arrowIndent);
  var taskToHorizontalOffsetValue = taskFromEndPosition < taskTo.x2 ? -arrowIndent : taskTo.x2 - taskFrom.x1 + arrowIndent;
  var path = "M " + taskFrom.x1 + " " + (taskFrom.y + taskHeight / 2) + " \n  h " + -arrowIndent + " \n  v " + indexCompare * rowHeight / 2 + " \n  " + taskFromHorizontalOffsetValue + "\n  V " + taskToEndPosition + " \n  h " + taskToHorizontalOffsetValue;
  var trianglePoints = taskTo.x2 + "," + taskToEndPosition + " \n  " + (taskTo.x2 + 5) + "," + (taskToEndPosition + 5) + " \n  " + (taskTo.x2 + 5) + "," + (taskToEndPosition - 5);
  return [path, trianglePoints];
};

var convertToBarTasks = function convertToBarTasks(tasks, dates, columnWidth, rowHeight, taskHeight, barCornerRadius, handleWidth, rtl, barProgressColor, barProgressSelectedColor, barBackgroundColor, barBackgroundSelectedColor, projectProgressColor, projectProgressSelectedColor, projectBackgroundColor, projectBackgroundSelectedColor, milestoneBackgroundColor, milestoneBackgroundSelectedColor) {
  var dateDelta = dates[1].getTime() - dates[0].getTime() - dates[1].getTimezoneOffset() * 60 * 1000 + dates[0].getTimezoneOffset() * 60 * 1000;
  var barTasks = tasks.map(function (t, i) {
    return convertToBarTask(t, i, dates, dateDelta, columnWidth, rowHeight, taskHeight, barCornerRadius, handleWidth, rtl, barProgressColor, barProgressSelectedColor, barBackgroundColor, barBackgroundSelectedColor, projectProgressColor, projectProgressSelectedColor, projectBackgroundColor, projectBackgroundSelectedColor, milestoneBackgroundColor, milestoneBackgroundSelectedColor);
  });
  barTasks = barTasks.map(function (task) {
    var dependencies = task.dependencies || [];

    var _loop = function _loop(j) {
      var dependence = barTasks.findIndex(function (value) {
        return value.id === dependencies[j];
      });
      if (dependence !== -1) barTasks[dependence].barChildren.push(task);
    };

    for (var j = 0; j < dependencies.length; j++) {
      _loop(j);
    }

    return task;
  });
  return barTasks;
};

var convertToBarTask = function convertToBarTask(task, index, dates, dateDelta, columnWidth, rowHeight, taskHeight, barCornerRadius, handleWidth, rtl, barProgressColor, barProgressSelectedColor, barBackgroundColor, barBackgroundSelectedColor, projectProgressColor, projectProgressSelectedColor, projectBackgroundColor, projectBackgroundSelectedColor, milestoneBackgroundColor, milestoneBackgroundSelectedColor) {
  var barTask;

  switch (task.type) {
    case "milestone":
      barTask = convertToMilestone(task, index, dates, dateDelta, columnWidth, rowHeight, taskHeight, barCornerRadius, handleWidth, milestoneBackgroundColor, milestoneBackgroundSelectedColor);
      break;

    case "project":
      barTask = convertToBar(task, index, dates, dateDelta, columnWidth, rowHeight, taskHeight, barCornerRadius, handleWidth, rtl, projectProgressColor, projectProgressSelectedColor, projectBackgroundColor, projectBackgroundSelectedColor);
      break;

    default:
      barTask = convertToBar(task, index, dates, dateDelta, columnWidth, rowHeight, taskHeight, barCornerRadius, handleWidth, rtl, barProgressColor, barProgressSelectedColor, barBackgroundColor, barBackgroundSelectedColor);
      break;
  }

  return barTask;
};

var convertToBar = function convertToBar(task, index, dates, dateDelta, columnWidth, rowHeight, taskHeight, barCornerRadius, handleWidth, rtl, barProgressColor, barProgressSelectedColor, barBackgroundColor, barBackgroundSelectedColor) {
  var x1;
  var x2;

  if (rtl) {
    x2 = taskXCoordinateRTL(task.start, dates, dateDelta, columnWidth);
    x1 = taskXCoordinateRTL(task.end, dates, dateDelta, columnWidth);
  } else {
    x1 = taskXCoordinate(task.start, dates, dateDelta, columnWidth);
    x2 = taskXCoordinate(task.end, dates, dateDelta, columnWidth);
  }

  var typeInternal = task.type;

  if (typeInternal === "task" && x2 - x1 < handleWidth * 2) {
    typeInternal = "smalltask";
    x2 = x1 + handleWidth * 2;
  }

  var _progressWithByParams = progressWithByParams(x1, x2, task.progress, rtl),
      progressWidth = _progressWithByParams[0],
      progressX = _progressWithByParams[1];

  var y = taskYCoordinate(index, rowHeight, taskHeight);
  var hideChildren = task.type === "project" ? task.hideChildren : undefined;

  var styles = _extends({
    backgroundColor: barBackgroundColor,
    backgroundSelectedColor: barBackgroundSelectedColor,
    progressColor: barProgressColor,
    progressSelectedColor: barProgressSelectedColor
  }, task.styles);

  return _extends({}, task, {
    typeInternal: typeInternal,
    x1: x1,
    x2: x2,
    y: y,
    index: index,
    progressX: progressX,
    progressWidth: progressWidth,
    barCornerRadius: barCornerRadius,
    handleWidth: handleWidth,
    hideChildren: hideChildren,
    height: taskHeight,
    barChildren: [],
    styles: styles
  });
};

var convertToMilestone = function convertToMilestone(task, index, dates, dateDelta, columnWidth, rowHeight, taskHeight, barCornerRadius, handleWidth, milestoneBackgroundColor, milestoneBackgroundSelectedColor) {
  var x = taskXCoordinate(task.start, dates, dateDelta, columnWidth);
  var y = taskYCoordinate(index, rowHeight, taskHeight);
  var x1 = x - taskHeight * 0.5;
  var x2 = x + taskHeight * 0.5;
  var rotatedHeight = taskHeight / 1.414;

  var styles = _extends({
    backgroundColor: milestoneBackgroundColor,
    backgroundSelectedColor: milestoneBackgroundSelectedColor,
    progressColor: "",
    progressSelectedColor: ""
  }, task.styles);

  return _extends({}, task, {
    end: task.start,
    x1: x1,
    x2: x2,
    y: y,
    index: index,
    progressX: 0,
    progressWidth: 0,
    barCornerRadius: barCornerRadius,
    handleWidth: handleWidth,
    typeInternal: task.type,
    progress: 0,
    height: rotatedHeight,
    hideChildren: undefined,
    barChildren: [],
    styles: styles
  });
};

var taskXCoordinate = function taskXCoordinate(xDate, dates, dateDelta, columnWidth) {
  var index = ~~((xDate.getTime() - dates[0].getTime() + xDate.getTimezoneOffset() - dates[0].getTimezoneOffset()) / dateDelta);
  var x = Math.round((index + (xDate.getTime() - dates[index].getTime() - xDate.getTimezoneOffset() * 60 * 1000 + dates[index].getTimezoneOffset() * 60 * 1000) / dateDelta) * columnWidth);
  return x;
};

var taskXCoordinateRTL = function taskXCoordinateRTL(xDate, dates, dateDelta, columnWidth) {
  var x = taskXCoordinate(xDate, dates, dateDelta, columnWidth);
  x += columnWidth;
  return x;
};

var taskYCoordinate = function taskYCoordinate(index, rowHeight, taskHeight) {
  var y = index * rowHeight + (rowHeight - taskHeight) / 2;
  return y;
};

var progressWithByParams = function progressWithByParams(taskX1, taskX2, progress, rtl) {
  var progressWidth = (taskX2 - taskX1) * progress * 0.01;
  var progressX;

  if (rtl) {
    progressX = taskX2 - progressWidth;
  } else {
    progressX = taskX1;
  }

  return [progressWidth, progressX];
};

var progressByX = function progressByX(x, task) {
  if (x >= task.x2) return 100;else if (x <= task.x1) return 0;else {
    var barWidth = task.x2 - task.x1;
    var progressPercent = Math.round((x - task.x1) * 100 / barWidth);
    return progressPercent;
  }
};

var progressByXRTL = function progressByXRTL(x, task) {
  if (x >= task.x2) return 0;else if (x <= task.x1) return 100;else {
    var barWidth = task.x2 - task.x1;
    var progressPercent = Math.round((task.x2 - x) * 100 / barWidth);
    return progressPercent;
  }
};

var getProgressPoint = function getProgressPoint(progressX, taskY, taskHeight) {
  var point = [progressX - 5, taskY + taskHeight, progressX + 5, taskY + taskHeight, progressX, taskY + taskHeight - 8.66];
  return point.join(",");
};

var startByX = function startByX(x, xStep, task) {
  if (x >= task.x2 - task.handleWidth * 2) {
    x = task.x2 - task.handleWidth * 2;
  }

  var steps = Math.round((x - task.x1) / xStep);
  var additionalXValue = steps * xStep;
  var newX = task.x1 + additionalXValue;
  return newX;
};

var endByX = function endByX(x, xStep, task) {
  if (x <= task.x1 + task.handleWidth * 2) {
    x = task.x1 + task.handleWidth * 2;
  }

  var steps = Math.round((x - task.x2) / xStep);
  var additionalXValue = steps * xStep;
  var newX = task.x2 + additionalXValue;
  return newX;
};

var moveByX = function moveByX(x, xStep, task) {
  var steps = Math.round((x - task.x1) / xStep);
  var additionalXValue = steps * xStep;
  var newX1 = task.x1 + additionalXValue;
  var newX2 = newX1 + task.x2 - task.x1;
  return [newX1, newX2];
};

var dateByX = function dateByX(x, taskX, taskDate, xStep, timeStep) {
  var newDate = new Date((x - taskX) / xStep * timeStep + taskDate.getTime());
  newDate = new Date(newDate.getTime() + (newDate.getTimezoneOffset() - taskDate.getTimezoneOffset()) * 60000);
  return newDate;
};

var handleTaskBySVGMouseEvent = function handleTaskBySVGMouseEvent(svgX, action, selectedTask, xStep, timeStep, initEventX1Delta, rtl) {
  var result;

  switch (selectedTask.type) {
    case "milestone":
      result = handleTaskBySVGMouseEventForMilestone(svgX, action, selectedTask, xStep, timeStep, initEventX1Delta);
      break;

    default:
      result = handleTaskBySVGMouseEventForBar(svgX, action, selectedTask, xStep, timeStep, initEventX1Delta, rtl);
      break;
  }

  return result;
};

var handleTaskBySVGMouseEventForBar = function handleTaskBySVGMouseEventForBar(svgX, action, selectedTask, xStep, timeStep, initEventX1Delta, rtl) {
  var changedTask = _extends({}, selectedTask);

  var isChanged = false;

  switch (action) {
    case "progress":
      if (rtl) {
        changedTask.progress = progressByXRTL(svgX, selectedTask);
      } else {
        changedTask.progress = progressByX(svgX, selectedTask);
      }

      isChanged = changedTask.progress !== selectedTask.progress;

      if (isChanged) {
        var _progressWithByParams2 = progressWithByParams(changedTask.x1, changedTask.x2, changedTask.progress, rtl),
            progressWidth = _progressWithByParams2[0],
            progressX = _progressWithByParams2[1];

        changedTask.progressWidth = progressWidth;
        changedTask.progressX = progressX;
      }

      break;

    case "start":
      {
        var newX1 = startByX(svgX, xStep, selectedTask);
        changedTask.x1 = newX1;
        isChanged = changedTask.x1 !== selectedTask.x1;

        if (isChanged) {
          if (rtl) {
            changedTask.end = dateByX(newX1, selectedTask.x1, selectedTask.end, xStep, timeStep);
          } else {
            changedTask.start = dateByX(newX1, selectedTask.x1, selectedTask.start, xStep, timeStep);
          }

          var _progressWithByParams3 = progressWithByParams(changedTask.x1, changedTask.x2, changedTask.progress, rtl),
              _progressWidth = _progressWithByParams3[0],
              _progressX = _progressWithByParams3[1];

          changedTask.progressWidth = _progressWidth;
          changedTask.progressX = _progressX;
        }

        break;
      }

    case "end":
      {
        var newX2 = endByX(svgX, xStep, selectedTask);
        changedTask.x2 = newX2;
        isChanged = changedTask.x2 !== selectedTask.x2;

        if (isChanged) {
          if (rtl) {
            changedTask.start = dateByX(newX2, selectedTask.x2, selectedTask.start, xStep, timeStep);
          } else {
            changedTask.end = dateByX(newX2, selectedTask.x2, selectedTask.end, xStep, timeStep);
          }

          var _progressWithByParams4 = progressWithByParams(changedTask.x1, changedTask.x2, changedTask.progress, rtl),
              _progressWidth2 = _progressWithByParams4[0],
              _progressX2 = _progressWithByParams4[1];

          changedTask.progressWidth = _progressWidth2;
          changedTask.progressX = _progressX2;
        }

        break;
      }

    case "move":
      {
        var _moveByX = moveByX(svgX - initEventX1Delta, xStep, selectedTask),
            newMoveX1 = _moveByX[0],
            newMoveX2 = _moveByX[1];

        isChanged = newMoveX1 !== selectedTask.x1;

        if (isChanged) {
          changedTask.start = dateByX(newMoveX1, selectedTask.x1, selectedTask.start, xStep, timeStep);
          changedTask.end = dateByX(newMoveX2, selectedTask.x2, selectedTask.end, xStep, timeStep);
          changedTask.x1 = newMoveX1;
          changedTask.x2 = newMoveX2;

          var _progressWithByParams5 = progressWithByParams(changedTask.x1, changedTask.x2, changedTask.progress, rtl),
              _progressWidth3 = _progressWithByParams5[0],
              _progressX3 = _progressWithByParams5[1];

          changedTask.progressWidth = _progressWidth3;
          changedTask.progressX = _progressX3;
        }

        break;
      }
  }

  return {
    isChanged: isChanged,
    changedTask: changedTask
  };
};

var handleTaskBySVGMouseEventForMilestone = function handleTaskBySVGMouseEventForMilestone(svgX, action, selectedTask, xStep, timeStep, initEventX1Delta) {
  var changedTask = _extends({}, selectedTask);

  var isChanged = false;

  switch (action) {
    case "move":
      {
        var _moveByX2 = moveByX(svgX - initEventX1Delta, xStep, selectedTask),
            newMoveX1 = _moveByX2[0],
            newMoveX2 = _moveByX2[1];

        isChanged = newMoveX1 !== selectedTask.x1;

        if (isChanged) {
          changedTask.start = dateByX(newMoveX1, selectedTask.x1, selectedTask.start, xStep, timeStep);
          changedTask.end = changedTask.start;
          changedTask.x1 = newMoveX1;
          changedTask.x2 = newMoveX2;
        }

        break;
      }
  }

  return {
    isChanged: isChanged,
    changedTask: changedTask
  };
};

function isKeyboardEvent(event) {
  return event.key !== undefined;
}
function removeHiddenTasks(tasks) {
  var groupedTasks = tasks.filter(function (t) {
    return t.hideChildren && t.type === "project";
  });

  if (groupedTasks.length > 0) {
    var _loop = function _loop(i) {
      var groupedTask = groupedTasks[i];
      var children = getChildren(tasks, groupedTask);
      tasks = tasks.filter(function (t) {
        return children.indexOf(t) === -1;
      });
    };

    for (var i = 0; groupedTasks.length > i; i++) {
      _loop(i);
    }
  }

  return tasks;
}

function getChildren(taskList, task) {
  var tasks = [];

  if (task.type !== "project") {
    tasks = taskList.filter(function (t) {
      return t.dependencies && t.dependencies.indexOf(task.id) !== -1;
    });
  } else {
    tasks = taskList.filter(function (t) {
      return t.project && t.project === task.id;
    });
  }

  var taskChildren = tasks.reduce(function (children, t) {
    return children.concat(children, getChildren(taskList, t));
  }, []);
  tasks = tasks.concat(tasks, taskChildren);
  return tasks;
}

var sortTasks = function sortTasks(taskA, taskB) {
  var orderA = taskA.displayOrder || Number.MAX_VALUE;
  var orderB = taskB.displayOrder || Number.MAX_VALUE;

  if (orderA > orderB) {
    return 1;
  } else if (orderA < orderB) {
    return -1;
  } else {
    return 0;
  }
};

var styles$6 = {"barWrapper":"_KxSXS","barHandle":"_3w_5u","barBackground":"_31ERP"};

var BarDisplay = function BarDisplay(_ref) {
  var x = _ref.x,
      y = _ref.y,
      width = _ref.width,
      height = _ref.height,
      isSelected = _ref.isSelected,
      progressX = _ref.progressX,
      progressWidth = _ref.progressWidth,
      barCornerRadius = _ref.barCornerRadius,
      styles = _ref.styles,
      onMouseDown = _ref.onMouseDown;

  var getProcessColor = function getProcessColor() {
    return isSelected ? styles.progressSelectedColor : styles.progressColor;
  };

  var getBarColor = function getBarColor() {
    return isSelected ? styles.backgroundSelectedColor : styles.backgroundColor;
  };

  return React__default.createElement("g", {
    onMouseDown: onMouseDown
  }, React__default.createElement("rect", {
    x: x,
    width: width,
    y: y,
    height: height,
    ry: barCornerRadius,
    rx: barCornerRadius,
    fill: getBarColor(),
    className: styles$6.barBackground
  }), React__default.createElement("rect", {
    x: progressX,
    width: progressWidth,
    y: y,
    height: height,
    ry: barCornerRadius,
    rx: barCornerRadius,
    fill: getProcessColor()
  }));
};

var BarDateHandle = function BarDateHandle(_ref) {
  var x = _ref.x,
      y = _ref.y,
      width = _ref.width,
      height = _ref.height,
      barCornerRadius = _ref.barCornerRadius,
      onMouseDown = _ref.onMouseDown;
  return React__default.createElement("rect", {
    x: x,
    y: y,
    width: width,
    height: height,
    className: styles$6.barHandle,
    ry: barCornerRadius,
    rx: barCornerRadius,
    onMouseDown: onMouseDown
  });
};

var BarProgressHandle = function BarProgressHandle(_ref) {
  var progressPoint = _ref.progressPoint,
      onMouseDown = _ref.onMouseDown;
  return React__default.createElement("polygon", {
    className: styles$6.barHandle,
    points: progressPoint,
    onMouseDown: onMouseDown
  });
};

var Bar = function Bar(_ref) {
  var task = _ref.task,
      isProgressChangeable = _ref.isProgressChangeable,
      isDateChangeable = _ref.isDateChangeable,
      rtl = _ref.rtl,
      onEventStart = _ref.onEventStart,
      isSelected = _ref.isSelected;
  var progressPoint = getProgressPoint(+!rtl * task.progressWidth + task.progressX, task.y, task.height);
  var handleHeight = task.height - 2;
  return React__default.createElement("g", {
    className: styles$6.barWrapper,
    tabIndex: 0
  }, React__default.createElement(BarDisplay, {
    x: task.x1,
    y: task.y,
    width: task.x2 - task.x1,
    height: task.height,
    progressX: task.progressX,
    progressWidth: task.progressWidth,
    barCornerRadius: task.barCornerRadius,
    styles: task.styles,
    isSelected: isSelected,
    onMouseDown: function onMouseDown(e) {
      isDateChangeable && onEventStart("move", task, e);
    }
  }), React__default.createElement("g", {
    className: "handleGroup"
  }, isDateChangeable && React__default.createElement("g", null, React__default.createElement(BarDateHandle, {
    x: task.x1 + 1,
    y: task.y + 1,
    width: task.handleWidth,
    height: handleHeight,
    barCornerRadius: task.barCornerRadius,
    onMouseDown: function onMouseDown(e) {
      onEventStart("start", task, e);
    }
  }), React__default.createElement(BarDateHandle, {
    x: task.x2 - task.handleWidth - 1,
    y: task.y + 1,
    width: task.handleWidth,
    height: handleHeight,
    barCornerRadius: task.barCornerRadius,
    onMouseDown: function onMouseDown(e) {
      onEventStart("end", task, e);
    }
  })), isProgressChangeable && React__default.createElement(BarProgressHandle, {
    progressPoint: progressPoint,
    onMouseDown: function onMouseDown(e) {
      onEventStart("progress", task, e);
    }
  })));
};

var BarSmall = function BarSmall(_ref) {
  var task = _ref.task,
      isProgressChangeable = _ref.isProgressChangeable,
      isDateChangeable = _ref.isDateChangeable,
      onEventStart = _ref.onEventStart,
      isSelected = _ref.isSelected;
  var progressPoint = getProgressPoint(task.progressWidth + task.x1, task.y, task.height);
  return React__default.createElement("g", {
    className: styles$6.barWrapper,
    tabIndex: 0
  }, React__default.createElement(BarDisplay, {
    x: task.x1,
    y: task.y,
    width: task.x2 - task.x1,
    height: task.height,
    progressX: task.progressX,
    progressWidth: task.progressWidth,
    barCornerRadius: task.barCornerRadius,
    styles: task.styles,
    isSelected: isSelected,
    onMouseDown: function onMouseDown(e) {
      isDateChangeable && onEventStart("move", task, e);
    }
  }), React__default.createElement("g", {
    className: "handleGroup"
  }, isProgressChangeable && React__default.createElement(BarProgressHandle, {
    progressPoint: progressPoint,
    onMouseDown: function onMouseDown(e) {
      onEventStart("progress", task, e);
    }
  })));
};

var styles$7 = {"milestoneWrapper":"_RRr13","milestoneBackground":"_2P2B1"};

var Milestone = function Milestone(_ref) {
  var task = _ref.task,
      isDateChangeable = _ref.isDateChangeable,
      onEventStart = _ref.onEventStart,
      isSelected = _ref.isSelected;
  var transform = "rotate(45 " + (task.x1 + task.height * 0.356) + " \n    " + (task.y + task.height * 0.85) + ")";

  var getBarColor = function getBarColor() {
    return isSelected ? task.styles.backgroundSelectedColor : task.styles.backgroundColor;
  };

  return React__default.createElement("g", {
    tabIndex: 0,
    className: styles$7.milestoneWrapper
  }, React__default.createElement("rect", {
    fill: getBarColor(),
    x: task.x1,
    width: task.height,
    y: task.y,
    height: task.height,
    rx: task.barCornerRadius,
    ry: task.barCornerRadius,
    transform: transform,
    className: styles$7.milestoneBackground,
    onMouseDown: function onMouseDown(e) {
      isDateChangeable && onEventStart("move", task, e);
    }
  }));
};

var styles$8 = {"projectWrapper":"_1KJ6x","projectBackground":"_2RbVy","projectTop":"_2pZMF"};

var Project = function Project(_ref) {
  var task = _ref.task,
      isSelected = _ref.isSelected;
  var barColor = isSelected ? task.styles.backgroundSelectedColor : task.styles.backgroundColor;
  var processColor = isSelected ? task.styles.progressSelectedColor : task.styles.progressColor;
  var projectWith = task.x2 - task.x1;
  var projectLeftTriangle = [task.x1, task.y + task.height / 2 - 1, task.x1, task.y + task.height, task.x1 + 15, task.y + task.height / 2 - 1].join(",");
  var projectRightTriangle = [task.x2, task.y + task.height / 2 - 1, task.x2, task.y + task.height, task.x2 - 15, task.y + task.height / 2 - 1].join(",");
  return React__default.createElement("g", {
    tabIndex: 0,
    className: styles$8.projectWrapper
  }, React__default.createElement("rect", {
    fill: barColor,
    x: task.x1,
    width: projectWith,
    y: task.y,
    height: task.height,
    rx: task.barCornerRadius,
    ry: task.barCornerRadius,
    className: styles$8.projectBackground
  }), React__default.createElement("rect", {
    x: task.progressX,
    width: task.progressWidth,
    y: task.y,
    height: task.height,
    ry: task.barCornerRadius,
    rx: task.barCornerRadius,
    fill: processColor
  }), React__default.createElement("rect", {
    fill: barColor,
    x: task.x1,
    width: projectWith,
    y: task.y,
    height: task.height / 2,
    rx: task.barCornerRadius,
    ry: task.barCornerRadius,
    className: styles$8.projectTop
  }), React__default.createElement("polygon", {
    className: styles$8.projectTop,
    points: projectLeftTriangle,
    fill: barColor
  }), React__default.createElement("polygon", {
    className: styles$8.projectTop,
    points: projectRightTriangle,
    fill: barColor
  }));
};

var style = {"barLabel":"_3zRJQ","barLabelOutside":"_3KcaM"};

var TaskItem = function TaskItem(props) {
  var _props = _extends({}, props),
      task = _props.task,
      arrowIndent = _props.arrowIndent,
      isDelete = _props.isDelete,
      taskHeight = _props.taskHeight,
      isSelected = _props.isSelected,
      rtl = _props.rtl,
      onEventStart = _props.onEventStart;

  var textRef = React.useRef(null);

  var _useState = React.useState(React__default.createElement("div", null)),
      taskItem = _useState[0],
      setTaskItem = _useState[1];

  var _useState2 = React.useState(true),
      isTextInside = _useState2[0],
      setIsTextInside = _useState2[1];

  React.useEffect(function () {
    switch (task.typeInternal) {
      case "milestone":
        setTaskItem(React__default.createElement(Milestone, Object.assign({}, props)));
        break;

      case "project":
        setTaskItem(React__default.createElement(Project, Object.assign({}, props)));
        break;

      case "smalltask":
        setTaskItem(React__default.createElement(BarSmall, Object.assign({}, props)));
        break;

      default:
        setTaskItem(React__default.createElement(Bar, Object.assign({}, props)));
        break;
    }
  }, [task, isSelected]);
  React.useEffect(function () {
    if (textRef.current) {
      setIsTextInside(textRef.current.getBBox().width < task.x2 - task.x1);
    }
  }, [textRef, task]);

  var getX = function getX() {
    var width = task.x2 - task.x1;
    var hasChild = task.barChildren.length > 0;

    if (isTextInside) {
      return task.x1 + width * 0.5;
    }

    if (rtl && textRef.current) {
      return task.x1 - textRef.current.getBBox().width - arrowIndent * +hasChild - arrowIndent * 0.2;
    } else {
      return task.x1 + width + arrowIndent * +hasChild + arrowIndent * 0.2;
    }
  };

  return React__default.createElement("g", {
    onKeyDown: function onKeyDown(e) {
      switch (e.key) {
        case "Delete":
          {
            if (isDelete) onEventStart("delete", task, e);
            break;
          }
      }

      e.stopPropagation();
    },
    onMouseEnter: function onMouseEnter(e) {
      onEventStart("mouseenter", task, e);
    },
    onMouseLeave: function onMouseLeave(e) {
      onEventStart("mouseleave", task, e);
    },
    onDoubleClick: function onDoubleClick(e) {
      onEventStart("dblclick", task, e);
    },
    onFocus: function onFocus() {
      onEventStart("select", task);
    }
  }, taskItem, React__default.createElement("text", {
    x: getX(),
    y: task.y + taskHeight * 0.5,
    className: isTextInside ? style.barLabel :  style.barLabelOutside,
    ref: textRef
  }, task.name));
};

var TaskGanttContent = function TaskGanttContent(_ref) {
  var _svg$current;

  var tasks = _ref.tasks,
      dates = _ref.dates,
      ganttEvent = _ref.ganttEvent,
      selectedTask = _ref.selectedTask,
      rowHeight = _ref.rowHeight,
      columnWidth = _ref.columnWidth,
      timeStep = _ref.timeStep,
      svg = _ref.svg,
      taskHeight = _ref.taskHeight,
      arrowColor = _ref.arrowColor,
      arrowIndent = _ref.arrowIndent,
      fontFamily = _ref.fontFamily,
      fontSize = _ref.fontSize,
      rtl = _ref.rtl,
      setGanttEvent = _ref.setGanttEvent,
      setFailedTask = _ref.setFailedTask,
      setSelectedTask = _ref.setSelectedTask,
      onDateChange = _ref.onDateChange,
      onProgressChange = _ref.onProgressChange,
      onDoubleClick = _ref.onDoubleClick,
      onDelete = _ref.onDelete;
  var point = svg === null || svg === void 0 ? void 0 : (_svg$current = svg.current) === null || _svg$current === void 0 ? void 0 : _svg$current.createSVGPoint();

  var _useState = React.useState(0),
      xStep = _useState[0],
      setXStep = _useState[1];

  var _useState2 = React.useState(0),
      initEventX1Delta = _useState2[0],
      setInitEventX1Delta = _useState2[1];

  var _useState3 = React.useState(false),
      isMoving = _useState3[0],
      setIsMoving = _useState3[1];

  React.useEffect(function () {
    var dateDelta = dates[1].getTime() - dates[0].getTime() - dates[1].getTimezoneOffset() * 60 * 1000 + dates[0].getTimezoneOffset() * 60 * 1000;
    var newXStep = timeStep * columnWidth / dateDelta;
    setXStep(newXStep);
  }, [columnWidth, dates, timeStep]);
  React.useEffect(function () {
    var handleMouseMove = function handleMouseMove(event) {
      try {
        var _svg$current$getScree;

        if (!ganttEvent.changedTask || !point || !(svg !== null && svg !== void 0 && svg.current)) return Promise.resolve();
        event.preventDefault();
        point.x = event.clientX;
        var cursor = point.matrixTransform(svg === null || svg === void 0 ? void 0 : (_svg$current$getScree = svg.current.getScreenCTM()) === null || _svg$current$getScree === void 0 ? void 0 : _svg$current$getScree.inverse());

        var _handleTaskBySVGMouse = handleTaskBySVGMouseEvent(cursor.x, ganttEvent.action, ganttEvent.changedTask, xStep, timeStep, initEventX1Delta, rtl),
            isChanged = _handleTaskBySVGMouse.isChanged,
            changedTask = _handleTaskBySVGMouse.changedTask;

        if (isChanged) {
          setGanttEvent({
            action: ganttEvent.action,
            changedTask: changedTask
          });
        }

        return Promise.resolve();
      } catch (e) {
        return Promise.reject(e);
      }
    };

    var handleMouseUp = function handleMouseUp(event) {
      try {
        var _svg$current$getScree2;

        var _temp6 = function _temp6() {
          if (!operationSuccess) {
            setFailedTask(originalSelectedTask);
          }
        };

        var action = ganttEvent.action,
            originalSelectedTask = ganttEvent.originalSelectedTask,
            changedTask = ganttEvent.changedTask;
        if (!changedTask || !point || !(svg !== null && svg !== void 0 && svg.current) || !originalSelectedTask) return Promise.resolve();
        event.preventDefault();
        point.x = event.clientX;
        var cursor = point.matrixTransform(svg === null || svg === void 0 ? void 0 : (_svg$current$getScree2 = svg.current.getScreenCTM()) === null || _svg$current$getScree2 === void 0 ? void 0 : _svg$current$getScree2.inverse());

        var _handleTaskBySVGMouse2 = handleTaskBySVGMouseEvent(cursor.x, action, changedTask, xStep, timeStep, initEventX1Delta, rtl),
            newChangedTask = _handleTaskBySVGMouse2.changedTask;

        var isNotLikeOriginal = originalSelectedTask.start !== newChangedTask.start || originalSelectedTask.end !== newChangedTask.end || originalSelectedTask.progress !== newChangedTask.progress;
        svg.current.removeEventListener("mousemove", handleMouseMove);
        svg.current.removeEventListener("mouseup", handleMouseUp);
        setGanttEvent({
          action: ""
        });
        setIsMoving(false);
        var operationSuccess = true;

        var _temp7 = function () {
          if ((action === "move" || action === "end" || action === "start") && onDateChange && isNotLikeOriginal) {
            var _temp8 = _catch(function () {
              return Promise.resolve(onDateChange(newChangedTask, newChangedTask.barChildren)).then(function (result) {
                if (result !== undefined) {
                  operationSuccess = result;
                }
              });
            }, function () {
              operationSuccess = false;
            });

            if (_temp8 && _temp8.then) return _temp8.then(function () {});
          } else {
            var _temp9 = function () {
              if (onProgressChange && isNotLikeOriginal) {
                var _temp10 = _catch(function () {
                  return Promise.resolve(onProgressChange(newChangedTask, newChangedTask.barChildren)).then(function (result) {
                    if (result !== undefined) {
                      operationSuccess = result;
                    }
                  });
                }, function () {
                  operationSuccess = false;
                });

                if (_temp10 && _temp10.then) return _temp10.then(function () {});
              }
            }();

            if (_temp9 && _temp9.then) return _temp9.then(function () {});
          }
        }();

        return Promise.resolve(_temp7 && _temp7.then ? _temp7.then(_temp6) : _temp6(_temp7));
      } catch (e) {
        return Promise.reject(e);
      }
    };

    if (!isMoving && (ganttEvent.action === "move" || ganttEvent.action === "end" || ganttEvent.action === "start" || ganttEvent.action === "progress") && svg !== null && svg !== void 0 && svg.current) {
      svg.current.addEventListener("mousemove", handleMouseMove);
      svg.current.addEventListener("mouseup", handleMouseUp);
      setIsMoving(true);
    }
  }, [ganttEvent, xStep, initEventX1Delta, onProgressChange, timeStep, onDateChange, svg, isMoving]);

  var handleBarEventStart = function handleBarEventStart(action, task, event) {
    try {
      return Promise.resolve(function () {
        if (!event) {
          if (action === "select") {
            setSelectedTask(task.id);
          }
        } else return function () {
          if (isKeyboardEvent(event)) {
            var _temp14 = function () {
              if (action === "delete") {
                var _temp15 = function () {
                  if (onDelete) {
                    var _temp16 = _catch(function () {
                      return Promise.resolve(onDelete(task)).then(function (result) {
                        if (result !== undefined && result) {
                          setGanttEvent({
                            action: action,
                            changedTask: task
                          });
                        }
                      });
                    }, function (error) {
                      console.error("Error on Delete. " + error);
                    });

                    if (_temp16 && _temp16.then) return _temp16.then(function () {});
                  }
                }();

                if (_temp15 && _temp15.then) return _temp15.then(function () {});
              }
            }();

            if (_temp14 && _temp14.then) return _temp14.then(function () {});
          } else if (action === "mouseenter") {
            if (!ganttEvent.action) {
              setGanttEvent({
                action: action,
                changedTask: task,
                originalSelectedTask: task
              });
            }
          } else if (action === "mouseleave") {
            if (ganttEvent.action === "mouseenter") {
              setGanttEvent({
                action: ""
              });
            }
          } else if (action === "dblclick") {
            !!onDoubleClick && onDoubleClick(task);
          } else if (action === "move") {
            var _svg$current$getScree3;

            if (!(svg !== null && svg !== void 0 && svg.current) || !point) return;
            point.x = event.clientX;
            var cursor = point.matrixTransform((_svg$current$getScree3 = svg.current.getScreenCTM()) === null || _svg$current$getScree3 === void 0 ? void 0 : _svg$current$getScree3.inverse());
            setInitEventX1Delta(cursor.x - task.x1);
            setGanttEvent({
              action: action,
              changedTask: task,
              originalSelectedTask: task
            });
          } else {
            setGanttEvent({
              action: action,
              changedTask: task,
              originalSelectedTask: task
            });
          }
        }();
      }());
    } catch (e) {
      return Promise.reject(e);
    }
  };

  return React__default.createElement("g", {
    className: "content"
  }, React__default.createElement("g", {
    className: "arrows",
    fill: arrowColor,
    stroke: arrowColor
  }, tasks.map(function (task) {
    return task.barChildren.map(function (child) {
      return React__default.createElement(Arrow, {
        key: "Arrow from " + task.id + " to " + tasks[child.index].id,
        taskFrom: task,
        taskTo: tasks[child.index],
        rowHeight: rowHeight,
        taskHeight: taskHeight,
        arrowIndent: arrowIndent,
        rtl: rtl
      });
    });
  })), React__default.createElement("g", {
    className: "bar",
    fontFamily: fontFamily,
    fontSize: fontSize
  }, tasks.map(function (task) {
    return React__default.createElement(TaskItem, {
      task: task,
      arrowIndent: arrowIndent,
      taskHeight: taskHeight,
      isProgressChangeable: !!onProgressChange && !task.isDisabled,
      isDateChangeable: !!onDateChange && !task.isDisabled,
      isDelete: !task.isDisabled,
      onEventStart: handleBarEventStart,
      key: task.id,
      isSelected: !!selectedTask && task.id === selectedTask.id,
      rtl: rtl
    });
  })));
};

var styles$9 = {"ganttVerticalContainer":"_CZjuD","horizontalContainer":"_2B2zv","wrapper":"_3eULf"};

var TaskGantt = function TaskGantt(_ref) {
  var gridProps = _ref.gridProps,
      calendarProps = _ref.calendarProps,
      barProps = _ref.barProps,
      ganttHeight = _ref.ganttHeight,
      scrollY = _ref.scrollY,
      scrollX = _ref.scrollX;
  var ganttSVGRef = React.useRef(null);
  var horizontalContainerRef = React.useRef(null);
  var verticalGanttContainerRef = React.useRef(null);

  var newBarProps = _extends({}, barProps, {
    svg: ganttSVGRef
  });

  React.useEffect(function () {
    if (horizontalContainerRef.current) {
      horizontalContainerRef.current.scrollTop = scrollY;
    }
  }, [scrollY]);
  React.useEffect(function () {
    if (verticalGanttContainerRef.current) {
      verticalGanttContainerRef.current.scrollLeft = scrollX;
    }
  }, [scrollX]);
  return React__default.createElement("div", {
    className: styles$9.ganttVerticalContainer,
    ref: verticalGanttContainerRef,
    dir: "ltr"
  }, React__default.createElement("svg", {
    xmlns: "http://www.w3.org/2000/svg",
    width: gridProps.svgWidth,
    height: calendarProps.headerHeight,
    fontFamily: barProps.fontFamily
  }, React__default.createElement(Calendar, Object.assign({}, calendarProps))), React__default.createElement("div", {
    ref: horizontalContainerRef,
    className: styles$9.horizontalContainer,
    style: ganttHeight ? {
      height: ganttHeight,
      width: gridProps.svgWidth
    } : {
      width: gridProps.svgWidth
    }
  }, React__default.createElement("svg", {
    xmlns: "http://www.w3.org/2000/svg",
    width: gridProps.svgWidth,
    height: barProps.rowHeight * barProps.tasks.length,
    fontFamily: barProps.fontFamily,
    ref: ganttSVGRef
  }, React__default.createElement(Grid, Object.assign({}, gridProps)), React__default.createElement(TaskGanttContent, Object.assign({}, newBarProps)))));
};

var styles$a = {"scroll":"_19jgW"};

var HorizontalScroll = function HorizontalScroll(_ref) {
  var scroll = _ref.scroll,
      svgWidth = _ref.svgWidth,
      taskListWidth = _ref.taskListWidth,
      rtl = _ref.rtl,
      onScroll = _ref.onScroll;
  var scrollRef = React.useRef(null);
  React.useEffect(function () {
    if (scrollRef.current) {
      scrollRef.current.scrollLeft = scroll;
    }
  }, [scroll]);
  return React__default.createElement("div", {
    dir: "ltr",
    style: {
      margin: rtl ? "0px " + taskListWidth + "px 0px 0px" : "0px 0px 0px " + taskListWidth + "px"
    },
    className: styles$a.scroll,
    onScroll: onScroll,
    ref: scrollRef
  }, React__default.createElement("div", {
    style: {
      width: svgWidth,
      height: 1
    }
  }));
};

var Gantt = function Gantt(_ref) {
  var tasks = _ref.tasks,
      _ref$headerHeight = _ref.headerHeight,
      headerHeight = _ref$headerHeight === void 0 ? 50 : _ref$headerHeight,
      _ref$columnWidth = _ref.columnWidth,
      columnWidth = _ref$columnWidth === void 0 ? 60 : _ref$columnWidth,
      _ref$listCellWidth = _ref.listCellWidth,
      listCellWidth = _ref$listCellWidth === void 0 ? "155px" : _ref$listCellWidth,
      _ref$rowHeight = _ref.rowHeight,
      rowHeight = _ref$rowHeight === void 0 ? 50 : _ref$rowHeight,
      _ref$ganttHeight = _ref.ganttHeight,
      ganttHeight = _ref$ganttHeight === void 0 ? 0 : _ref$ganttHeight,
      _ref$viewMode = _ref.viewMode,
      viewMode = _ref$viewMode === void 0 ? exports.ViewMode.Day : _ref$viewMode,
      _ref$locale = _ref.locale,
      locale = _ref$locale === void 0 ? "en-GB" : _ref$locale,
      _ref$barFill = _ref.barFill,
      barFill = _ref$barFill === void 0 ? 60 : _ref$barFill,
      _ref$barCornerRadius = _ref.barCornerRadius,
      barCornerRadius = _ref$barCornerRadius === void 0 ? 3 : _ref$barCornerRadius,
      _ref$barProgressColor = _ref.barProgressColor,
      barProgressColor = _ref$barProgressColor === void 0 ? "#a3a3ff" : _ref$barProgressColor,
      _ref$barProgressSelec = _ref.barProgressSelectedColor,
      barProgressSelectedColor = _ref$barProgressSelec === void 0 ? "#8282f5" : _ref$barProgressSelec,
      _ref$barBackgroundCol = _ref.barBackgroundColor,
      barBackgroundColor = _ref$barBackgroundCol === void 0 ? "#b8c2cc" : _ref$barBackgroundCol,
      _ref$barBackgroundSel = _ref.barBackgroundSelectedColor,
      barBackgroundSelectedColor = _ref$barBackgroundSel === void 0 ? "#aeb8c2" : _ref$barBackgroundSel,
      _ref$projectProgressC = _ref.projectProgressColor,
      projectProgressColor = _ref$projectProgressC === void 0 ? "#7db59a" : _ref$projectProgressC,
      _ref$projectProgressS = _ref.projectProgressSelectedColor,
      projectProgressSelectedColor = _ref$projectProgressS === void 0 ? "#59a985" : _ref$projectProgressS,
      _ref$projectBackgroun = _ref.projectBackgroundColor,
      projectBackgroundColor = _ref$projectBackgroun === void 0 ? "#fac465" : _ref$projectBackgroun,
      _ref$projectBackgroun2 = _ref.projectBackgroundSelectedColor,
      projectBackgroundSelectedColor = _ref$projectBackgroun2 === void 0 ? "#f7bb53" : _ref$projectBackgroun2,
      _ref$milestoneBackgro = _ref.milestoneBackgroundColor,
      milestoneBackgroundColor = _ref$milestoneBackgro === void 0 ? "#f1c453" : _ref$milestoneBackgro,
      _ref$milestoneBackgro2 = _ref.milestoneBackgroundSelectedColor,
      milestoneBackgroundSelectedColor = _ref$milestoneBackgro2 === void 0 ? "#f29e4c" : _ref$milestoneBackgro2,
      _ref$rtl = _ref.rtl,
      rtl = _ref$rtl === void 0 ? false : _ref$rtl,
      _ref$handleWidth = _ref.handleWidth,
      handleWidth = _ref$handleWidth === void 0 ? 8 : _ref$handleWidth,
      _ref$timeStep = _ref.timeStep,
      timeStep = _ref$timeStep === void 0 ? 300000 : _ref$timeStep,
      _ref$arrowColor = _ref.arrowColor,
      arrowColor = _ref$arrowColor === void 0 ? "grey" : _ref$arrowColor,
      _ref$fontFamily = _ref.fontFamily,
      fontFamily = _ref$fontFamily === void 0 ? "Arial, Roboto, Oxygen, Ubuntu, Cantarell, Fira Sans, Droid Sans, Helvetica Neue" : _ref$fontFamily,
      _ref$fontSize = _ref.fontSize,
      fontSize = _ref$fontSize === void 0 ? "14px" : _ref$fontSize,
      _ref$arrowIndent = _ref.arrowIndent,
      arrowIndent = _ref$arrowIndent === void 0 ? 20 : _ref$arrowIndent,
      _ref$todayColor = _ref.todayColor,
      todayColor = _ref$todayColor === void 0 ? "rgba(252, 248, 227, 0.5)" : _ref$todayColor,
      viewDate = _ref.viewDate,
      _ref$TooltipContent = _ref.TooltipContent,
      TooltipContent = _ref$TooltipContent === void 0 ? StandardTooltipContent : _ref$TooltipContent,
      _ref$TaskListHeader = _ref.TaskListHeader,
      TaskListHeader = _ref$TaskListHeader === void 0 ? TaskListHeaderDefault : _ref$TaskListHeader,
      _ref$TaskListTable = _ref.TaskListTable,
      TaskListTable = _ref$TaskListTable === void 0 ? TaskListTableDefault : _ref$TaskListTable,
      onDateChange = _ref.onDateChange,
      onProgressChange = _ref.onProgressChange,
      onDoubleClick = _ref.onDoubleClick,
      onDelete = _ref.onDelete,
      onSelect = _ref.onSelect,
      onExpanderClick = _ref.onExpanderClick;
  var wrapperRef = React.useRef(null);
  var taskListRef = React.useRef(null);

  var _useState = React.useState(function () {
    var _ganttDateRange = ganttDateRange(tasks, viewMode),
        startDate = _ganttDateRange[0],
        endDate = _ganttDateRange[1];

    return {
      viewMode: viewMode,
      dates: seedDates(startDate, endDate, viewMode)
    };
  }),
      dateSetup = _useState[0],
      setDateSetup = _useState[1];

  var _useState2 = React.useState(undefined),
      currentViewDate = _useState2[0],
      setCurrentViewDate = _useState2[1];

  var _useState3 = React.useState(0),
      taskListWidth = _useState3[0],
      setTaskListWidth = _useState3[1];

  var _useState4 = React.useState(0),
      svgContainerWidth = _useState4[0],
      setSvgContainerWidth = _useState4[1];

  var _useState5 = React.useState(ganttHeight),
      svgContainerHeight = _useState5[0],
      setSvgContainerHeight = _useState5[1];

  var _useState6 = React.useState([]),
      barTasks = _useState6[0],
      setBarTasks = _useState6[1];

  var _useState7 = React.useState({
    action: ""
  }),
      ganttEvent = _useState7[0],
      setGanttEvent = _useState7[1];

  var taskHeight = React.useMemo(function () {
    return rowHeight * barFill / 100;
  }, [rowHeight, barFill]);

  var _useState8 = React.useState(),
      selectedTask = _useState8[0],
      setSelectedTask = _useState8[1];

  var _useState9 = React.useState(null),
      failedTask = _useState9[0],
      setFailedTask = _useState9[1];

  var svgWidth = dateSetup.dates.length * columnWidth;
  var ganttFullHeight = barTasks.length * rowHeight;

  var _useState10 = React.useState(0),
      scrollY = _useState10[0],
      setScrollY = _useState10[1];

  var _useState11 = React.useState(-1),
      scrollX = _useState11[0],
      setScrollX = _useState11[1];

  var _useState12 = React.useState(false),
      ignoreScrollEvent = _useState12[0],
      setIgnoreScrollEvent = _useState12[1];

  React.useEffect(function () {
    var filteredTasks;

    if (onExpanderClick) {
      filteredTasks = removeHiddenTasks(tasks);
    } else {
      filteredTasks = tasks;
    }

    filteredTasks = filteredTasks.sort(sortTasks);

    var _ganttDateRange2 = ganttDateRange(filteredTasks, viewMode),
        startDate = _ganttDateRange2[0],
        endDate = _ganttDateRange2[1];

    var newDates = seedDates(startDate, endDate, viewMode);

    if (rtl) {
      newDates = newDates.reverse();

      if (scrollX === -1) {
        setScrollX(newDates.length * columnWidth);
      }
    }

    setDateSetup({
      dates: newDates,
      viewMode: viewMode
    });
    setBarTasks(convertToBarTasks(filteredTasks, newDates, columnWidth, rowHeight, taskHeight, barCornerRadius, handleWidth, rtl, barProgressColor, barProgressSelectedColor, barBackgroundColor, barBackgroundSelectedColor, projectProgressColor, projectProgressSelectedColor, projectBackgroundColor, projectBackgroundSelectedColor, milestoneBackgroundColor, milestoneBackgroundSelectedColor));
  }, [tasks, viewMode, rowHeight, barCornerRadius, columnWidth, taskHeight, handleWidth, barProgressColor, barProgressSelectedColor, barBackgroundColor, barBackgroundSelectedColor, projectProgressColor, projectProgressSelectedColor, projectBackgroundColor, projectBackgroundSelectedColor, milestoneBackgroundColor, milestoneBackgroundSelectedColor, rtl, scrollX, onExpanderClick]);
  React.useEffect(function () {
    if (viewMode === dateSetup.viewMode && (viewDate && !currentViewDate || viewDate && (currentViewDate === null || currentViewDate === void 0 ? void 0 : currentViewDate.valueOf()) !== viewDate.valueOf())) {
      var dates = dateSetup.dates;
      var index = dates.findIndex(function (d, i) {
        return viewDate.valueOf() >= d.valueOf() && i + 1 !== dates.length && viewDate.valueOf() < dates[i + 1].valueOf();
      });

      if (index === -1) {
        return;
      }

      setCurrentViewDate(viewDate);
      setScrollX(columnWidth * index);
    }
  }, [viewDate, columnWidth, dateSetup.dates, viewMode, currentViewDate, setCurrentViewDate]);
  React.useEffect(function () {
    var changedTask = ganttEvent.changedTask,
        action = ganttEvent.action;

    if (changedTask) {
      if (action === "delete") {
        setGanttEvent({
          action: ""
        });
        setBarTasks(barTasks.filter(function (t) {
          return t.id !== changedTask.id;
        }));
      } else if (action === "move" || action === "end" || action === "start" || action === "progress") {
        var prevStateTask = barTasks.find(function (t) {
          return t.id === changedTask.id;
        });

        if (prevStateTask && (prevStateTask.start.getTime() !== changedTask.start.getTime() || prevStateTask.end.getTime() !== changedTask.end.getTime() || prevStateTask.progress !== changedTask.progress)) {
          var newTaskList = barTasks.map(function (t) {
            return t.id === changedTask.id ? changedTask : t;
          });
          setBarTasks(newTaskList);
        }
      }
    }
  }, [ganttEvent, barTasks]);
  React.useEffect(function () {
    if (failedTask) {
      setBarTasks(barTasks.map(function (t) {
        return t.id !== failedTask.id ? t : failedTask;
      }));
      setFailedTask(null);
    }
  }, [failedTask, barTasks]);
  React.useEffect(function () {
    if (!listCellWidth) {
      setTaskListWidth(0);
    }

    if (taskListRef.current) {
      setTaskListWidth(taskListRef.current.offsetWidth);
    }
  }, [taskListRef, listCellWidth]);
  React.useEffect(function () {
    if (wrapperRef.current) {
      setSvgContainerWidth(wrapperRef.current.offsetWidth - taskListWidth);
    }
  }, [wrapperRef, taskListWidth]);
  React.useEffect(function () {
    if (ganttHeight) {
      setSvgContainerHeight(ganttHeight + headerHeight);
    } else {
      setSvgContainerHeight(tasks.length * rowHeight + headerHeight);
    }
  }, [ganttHeight, tasks]);
  React.useEffect(function () {
    var handleWheel = function handleWheel(event) {
      if (event.shiftKey || event.deltaX) {
        var scrollMove = event.deltaX ? event.deltaX : event.deltaY;
        var newScrollX = scrollX + scrollMove;

        if (newScrollX < 0) {
          newScrollX = 0;
        } else if (newScrollX > svgWidth) {
          newScrollX = svgWidth;
        }

        setScrollX(newScrollX);
        event.preventDefault();
      } else if (ganttHeight) {
        var newScrollY = scrollY + event.deltaY;

        if (newScrollY < 0) {
          newScrollY = 0;
        } else if (newScrollY > ganttFullHeight - ganttHeight) {
          newScrollY = ganttFullHeight - ganttHeight;
        }

        if (newScrollY !== scrollY) {
          setScrollY(newScrollY);
          event.preventDefault();
        }
      }

      setIgnoreScrollEvent(true);
    };

    if (wrapperRef.current) {
      wrapperRef.current.addEventListener("wheel", handleWheel, {
        passive: false
      });
    }

    return function () {
      if (wrapperRef.current) {
        wrapperRef.current.removeEventListener("wheel", handleWheel);
      }
    };
  }, [wrapperRef.current, scrollY, scrollX, ganttHeight, svgWidth, rtl]);

  var handleScrollY = function handleScrollY(event) {
    if (scrollY !== event.currentTarget.scrollTop && !ignoreScrollEvent) {
      setScrollY(event.currentTarget.scrollTop);
    }

    setIgnoreScrollEvent(false);
  };

  var handleScrollX = function handleScrollX(event) {
    if (scrollX !== event.currentTarget.scrollLeft && !ignoreScrollEvent) {
      setScrollX(event.currentTarget.scrollLeft);
    }

    setIgnoreScrollEvent(false);
  };

  var handleKeyDown = function handleKeyDown(event) {
    event.preventDefault();
    var newScrollY = scrollY;
    var newScrollX = scrollX;
    var isX = true;

    switch (event.key) {
      case "Down":
      case "ArrowDown":
        newScrollY += rowHeight;
        isX = false;
        break;

      case "Up":
      case "ArrowUp":
        newScrollY -= rowHeight;
        isX = false;
        break;

      case "Left":
      case "ArrowLeft":
        newScrollX -= columnWidth;
        break;

      case "Right":
      case "ArrowRight":
        newScrollX += columnWidth;
        break;
    }

    if (isX) {
      if (newScrollX < 0) {
        newScrollX = 0;
      } else if (newScrollX > svgWidth) {
        newScrollX = svgWidth;
      }

      setScrollX(newScrollX);
    } else {
      if (newScrollY < 0) {
        newScrollY = 0;
      } else if (newScrollY > ganttFullHeight - ganttHeight) {
        newScrollY = ganttFullHeight - ganttHeight;
      }

      setScrollY(newScrollY);
    }

    setIgnoreScrollEvent(true);
  };

  var handleSelectedTask = function handleSelectedTask(taskId) {
    var newSelectedTask = barTasks.find(function (t) {
      return t.id === taskId;
    });
    var oldSelectedTask = barTasks.find(function (t) {
      return !!selectedTask && t.id === selectedTask.id;
    });

    if (onSelect) {
      if (oldSelectedTask) {
        onSelect(oldSelectedTask, false);
      }

      if (newSelectedTask) {
        onSelect(newSelectedTask, true);
      }
    }

    setSelectedTask(newSelectedTask);
  };

  var handleExpanderClick = function handleExpanderClick(task) {
    if (onExpanderClick && task.hideChildren !== undefined) {
      onExpanderClick(_extends({}, task, {
        hideChildren: !task.hideChildren
      }));
    }
  };

  var gridProps = {
    columnWidth: columnWidth,
    svgWidth: svgWidth,
    tasks: tasks,
    rowHeight: rowHeight,
    dates: dateSetup.dates,
    todayColor: todayColor,
    rtl: rtl
  };
  var calendarProps = {
    dateSetup: dateSetup,
    locale: locale,
    viewMode: viewMode,
    headerHeight: headerHeight,
    columnWidth: columnWidth,
    fontFamily: fontFamily,
    fontSize: fontSize,
    rtl: rtl
  };
  var barProps = {
    tasks: barTasks,
    dates: dateSetup.dates,
    ganttEvent: ganttEvent,
    selectedTask: selectedTask,
    rowHeight: rowHeight,
    taskHeight: taskHeight,
    columnWidth: columnWidth,
    arrowColor: arrowColor,
    timeStep: timeStep,
    fontFamily: fontFamily,
    fontSize: fontSize,
    arrowIndent: arrowIndent,
    svgWidth: svgWidth,
    rtl: rtl,
    setGanttEvent: setGanttEvent,
    setFailedTask: setFailedTask,
    setSelectedTask: handleSelectedTask,
    onDateChange: onDateChange,
    onProgressChange: onProgressChange,
    onDoubleClick: onDoubleClick,
    onDelete: onDelete
  };
  var tableProps = {
    rowHeight: rowHeight,
    rowWidth: listCellWidth,
    fontFamily: fontFamily,
    fontSize: fontSize,
    tasks: barTasks,
    locale: locale,
    headerHeight: headerHeight,
    scrollY: scrollY,
    ganttHeight: ganttHeight,
    horizontalContainerClass: styles$9.horizontalContainer,
    selectedTask: selectedTask,
    taskListRef: taskListRef,
    setSelectedTask: handleSelectedTask,
    onExpanderClick: handleExpanderClick,
    TaskListHeader: TaskListHeader,
    TaskListTable: TaskListTable
  };
  return React__default.createElement("div", null, React__default.createElement("div", {
    className: styles$9.wrapper,
    onKeyDown: handleKeyDown,
    tabIndex: 0,
    ref: wrapperRef
  }, listCellWidth && React__default.createElement(TaskList, Object.assign({}, tableProps)), React__default.createElement(TaskGantt, {
    gridProps: gridProps,
    calendarProps: calendarProps,
    barProps: barProps,
    ganttHeight: ganttHeight,
    scrollY: scrollY,
    scrollX: scrollX
  }), ganttEvent.changedTask && React__default.createElement(Tooltip, {
    arrowIndent: arrowIndent,
    rowHeight: rowHeight,
    svgContainerHeight: svgContainerHeight,
    svgContainerWidth: svgContainerWidth,
    fontFamily: fontFamily,
    fontSize: fontSize,
    scrollX: scrollX,
    scrollY: scrollY,
    task: ganttEvent.changedTask,
    headerHeight: headerHeight,
    taskListWidth: taskListWidth,
    TooltipContent: TooltipContent,
    rtl: rtl,
    svgWidth: svgWidth
  }), React__default.createElement(VerticalScroll, {
    ganttFullHeight: ganttFullHeight,
    ganttHeight: ganttHeight,
    headerHeight: headerHeight,
    scroll: scrollY,
    onScroll: handleScrollY,
    rtl: rtl
  })), React__default.createElement(HorizontalScroll, {
    svgWidth: svgWidth,
    taskListWidth: taskListWidth,
    scroll: scrollX,
    rtl: rtl,
    onScroll: handleScrollX
  }));
};

exports.Gantt = Gantt;
//# sourceMappingURL=index.js.map