React_Client_App_Access/node_modules/.cache/babel-loader/d103d0db2e03ca343e3d0fef6c12809e.json

{"ast":null,"code":"import clamp from 'lodash-es/clamp';\nimport { isOneOf, getPosition, eventScope, setStyle } from '../utils/';\nvar Direction;\n\n(function (Direction) {\n  Direction[Direction[\"X\"] = 0] = \"X\";\n  Direction[Direction[\"Y\"] = 1] = \"Y\";\n})(Direction || (Direction = {}));\n\nexport function mouseHandler(scrollbar) {\n  var addEvent = eventScope(scrollbar);\n  var container = scrollbar.containerEl;\n  var _a = scrollbar.track,\n      xAxis = _a.xAxis,\n      yAxis = _a.yAxis;\n\n  function calcOffset(direction, clickPosition) {\n    var size = scrollbar.size;\n\n    if (direction === Direction.X) {\n      var totalWidth = size.container.width + (xAxis.thumb.realSize - xAxis.thumb.displaySize);\n      return clickPosition / totalWidth * size.content.width;\n    }\n\n    if (direction === Direction.Y) {\n      var totalHeight = size.container.height + (yAxis.thumb.realSize - yAxis.thumb.displaySize);\n      return clickPosition / totalHeight * size.content.height;\n    }\n\n    return 0;\n  }\n\n  function getTrackDirection(elem) {\n    if (isOneOf(elem, [xAxis.element, xAxis.thumb.element])) {\n      return Direction.X;\n    }\n\n    if (isOneOf(elem, [yAxis.element, yAxis.thumb.element])) {\n      return Direction.Y;\n    }\n\n    return void 0;\n  }\n\n  var isMouseDown;\n  var isMouseMoving;\n  var startOffsetToThumb;\n  var startTrackDirection;\n  var containerRect;\n  addEvent(container, 'click', function (evt) {\n    if (isMouseMoving || !isOneOf(evt.target, [xAxis.element, yAxis.element])) {\n      return;\n    }\n\n    var track = evt.target;\n    var direction = getTrackDirection(track);\n    var rect = track.getBoundingClientRect();\n    var clickPos = getPosition(evt);\n    var offset = scrollbar.offset,\n        limit = scrollbar.limit;\n\n    if (direction === Direction.X) {\n      var offsetOnTrack = clickPos.x - rect.left - xAxis.thumb.displaySize / 2;\n      scrollbar.setMomentum(clamp(calcOffset(direction, offsetOnTrack) - offset.x, -offset.x, limit.x - offset.x), 0);\n    }\n\n    if (direction === Direction.Y) {\n      var offsetOnTrack = clickPos.y - rect.top - yAxis.thumb.displaySize / 2;\n      scrollbar.setMomentum(0, clamp(calcOffset(direction, offsetOnTrack) - offset.y, -offset.y, limit.y - offset.y));\n    }\n  });\n  addEvent(container, 'mousedown', function (evt) {\n    if (!isOneOf(evt.target, [xAxis.thumb.element, yAxis.thumb.element])) {\n      return;\n    }\n\n    isMouseDown = true;\n    var thumb = evt.target;\n    var cursorPos = getPosition(evt);\n    var thumbRect = thumb.getBoundingClientRect();\n    startTrackDirection = getTrackDirection(thumb); // pointer offset to thumb\n\n    startOffsetToThumb = {\n      x: cursorPos.x - thumbRect.left,\n      y: cursorPos.y - thumbRect.top\n    }; // container bounding rectangle\n\n    containerRect = container.getBoundingClientRect(); // prevent selection, see:\n    // https://github.com/idiotWu/smooth-scrollbar/issues/48\n\n    setStyle(scrollbar.containerEl, {\n      '-user-select': 'none'\n    });\n  });\n  addEvent(window, 'mousemove', function (evt) {\n    if (!isMouseDown) return;\n    isMouseMoving = true;\n    var offset = scrollbar.offset;\n    var cursorPos = getPosition(evt);\n\n    if (startTrackDirection === Direction.X) {\n      // get percentage of pointer position in track\n      // then tranform to px\n      // don't need easing\n      var offsetOnTrack = cursorPos.x - startOffsetToThumb.x - containerRect.left;\n      scrollbar.setPosition(calcOffset(startTrackDirection, offsetOnTrack), offset.y);\n    }\n\n    if (startTrackDirection === Direction.Y) {\n      var offsetOnTrack = cursorPos.y - startOffsetToThumb.y - containerRect.top;\n      scrollbar.setPosition(offset.x, calcOffset(startTrackDirection, offsetOnTrack));\n    }\n  });\n  addEvent(window, 'mouseup blur', function () {\n    isMouseDown = isMouseMoving = false;\n    setStyle(scrollbar.containerEl, {\n      '-user-select': ''\n    });\n  });\n}","map":null,"metadata":{},"sourceType":"module"}