React_Client_App_Access/node_modules/.cache/babel-loader/2e46a049e5d880623b3eec6906b21d2b.json

{"ast":null,"code":"import clamp from 'lodash-es/clamp';\nimport { eventScope, getPosition } from '../utils/';\nexport function selectHandler(scrollbar) {\n  var addEvent = eventScope(scrollbar);\n  var containerEl = scrollbar.containerEl,\n      contentEl = scrollbar.contentEl,\n      offset = scrollbar.offset,\n      limit = scrollbar.limit;\n  var isSelected = false;\n  var animationID;\n\n  function scroll(_a) {\n    var x = _a.x,\n        y = _a.y;\n    if (!x && !y) return; // DISALLOW delta transformation\n\n    scrollbar.setMomentum(clamp(offset.x + x, 0, limit.x) - offset.x, clamp(offset.y + y, 0, limit.y) - offset.y);\n    animationID = requestAnimationFrame(function () {\n      scroll({\n        x: x,\n        y: y\n      });\n    });\n  }\n\n  addEvent(window, 'mousemove', function (evt) {\n    if (!isSelected) return;\n    cancelAnimationFrame(animationID);\n    var dir = calcMomentum(scrollbar, evt);\n    scroll(dir);\n  });\n  addEvent(contentEl, 'selectstart', function (evt) {\n    evt.stopPropagation();\n    cancelAnimationFrame(animationID);\n    isSelected = true;\n  });\n  addEvent(window, 'mouseup blur', function () {\n    cancelAnimationFrame(animationID);\n    isSelected = false;\n  }); // patch for touch devices\n\n  addEvent(containerEl, 'scroll', function (evt) {\n    evt.preventDefault();\n    containerEl.scrollTop = containerEl.scrollLeft = 0;\n  });\n}\n\nfunction calcMomentum(scrollbar, evt) {\n  var _a = scrollbar.bounding,\n      top = _a.top,\n      right = _a.right,\n      bottom = _a.bottom,\n      left = _a.left;\n\n  var _b = getPosition(evt),\n      x = _b.x,\n      y = _b.y;\n\n  var res = {\n    x: 0,\n    y: 0\n  };\n  var padding = 20;\n  if (x === 0 && y === 0) return res;\n\n  if (x > right - padding) {\n    res.x = x - right + padding;\n  } else if (x < left + padding) {\n    res.x = x - left - padding;\n  }\n\n  if (y > bottom - padding) {\n    res.y = y - bottom + padding;\n  } else if (y < top + padding) {\n    res.y = y - top - padding;\n  }\n\n  res.x *= 2;\n  res.y *= 2;\n  return res;\n}","map":null,"metadata":{},"sourceType":"module"}