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export const IS_BROWSER = typeof window !== 'undefined' && typeof window.document !== 'undefined';
export const WINDOW = IS_BROWSER ? window : {};
export const IS_TOUCH_DEVICE = IS_BROWSER && WINDOW.document.documentElement ? 'ontouchstart' in WINDOW.document.documentElement : false;
export const HAS_POINTER_EVENT = IS_BROWSER ? 'PointerEvent' in WINDOW : false;
export const NAMESPACE = 'cropper';
// Actions
export const ACTION_ALL = 'all';
export const ACTION_CROP = 'crop';
export const ACTION_MOVE = 'move';
export const ACTION_ZOOM = 'zoom';
export const ACTION_EAST = 'e';
export const ACTION_WEST = 'w';
export const ACTION_SOUTH = 's';
export const ACTION_NORTH = 'n';
export const ACTION_NORTH_EAST = 'ne';
export const ACTION_NORTH_WEST = 'nw';
export const ACTION_SOUTH_EAST = 'se';
export const ACTION_SOUTH_WEST = 'sw';
// Classes
export const CLASS_CROP = `${NAMESPACE}-crop`;
export const CLASS_DISABLED = `${NAMESPACE}-disabled`;
export const CLASS_HIDDEN = `${NAMESPACE}-hidden`;
export const CLASS_HIDE = `${NAMESPACE}-hide`;
export const CLASS_INVISIBLE = `${NAMESPACE}-invisible`;
export const CLASS_MODAL = `${NAMESPACE}-modal`;
export const CLASS_MOVE = `${NAMESPACE}-move`;
// Data keys
export const DATA_ACTION = `${NAMESPACE}Action`;
export const DATA_PREVIEW = `${NAMESPACE}Preview`;
// Drag modes
export const DRAG_MODE_CROP = 'crop';
export const DRAG_MODE_MOVE = 'move';
export const DRAG_MODE_NONE = 'none';
// Events
export const EVENT_CROP = 'crop';
export const EVENT_CROP_END = 'cropend';
export const EVENT_CROP_MOVE = 'cropmove';
export const EVENT_CROP_START = 'cropstart';
export const EVENT_DBLCLICK = 'dblclick';
export const EVENT_TOUCH_START = IS_TOUCH_DEVICE ? 'touchstart' : 'mousedown';
export const EVENT_TOUCH_MOVE = IS_TOUCH_DEVICE ? 'touchmove' : 'mousemove';
export const EVENT_TOUCH_END = IS_TOUCH_DEVICE ? 'touchend touchcancel' : 'mouseup';
export const EVENT_POINTER_DOWN = HAS_POINTER_EVENT ? 'pointerdown' : EVENT_TOUCH_START;
export const EVENT_POINTER_MOVE = HAS_POINTER_EVENT ? 'pointermove' : EVENT_TOUCH_MOVE;
export const EVENT_POINTER_UP = HAS_POINTER_EVENT ? 'pointerup pointercancel' : EVENT_TOUCH_END;
export const EVENT_READY = 'ready';
export const EVENT_RESIZE = 'resize';
export const EVENT_WHEEL = 'wheel';
export const EVENT_ZOOM = 'zoom';
// Mime types
export const MIME_TYPE_JPEG = 'image/jpeg';
// RegExps
export const REGEXP_ACTIONS = /^e|w|s|n|se|sw|ne|nw|all|crop|move|zoom$/;
export const REGEXP_DATA_URL = /^data:/;
export const REGEXP_DATA_URL_JPEG = /^data:image\/jpeg;base64,/;
export const REGEXP_TAG_NAME = /^img|canvas$/i;
// Misc
// Inspired by the default width and height of a canvas element.
export const MIN_CONTAINER_WIDTH = 200;
export const MIN_CONTAINER_HEIGHT = 100;
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