ember-mobile-menu/dist/utils/normalize-coordinates.js

A draggable sidebar menu for Ember.

/**
 *  Normalizes coordinates in the passed TouchData to the BoundingClientRect of the passed element
 *
 * @function normalizeCoordinates
 * @param e {Object} TouchData as generated by ember-mobile-core
 * @param bcr {DOMRect} The DOMRect of the element to which the coordinates need to be normalized.
 * @return {Object} Returns a TouchData object
 * @private
 */
function normalizeCoordinates(e, bcr) {
  return {
    ...e,
    initial: {
      ...e.initial,
      x: e.initial.x - bcr.x,
      y: e.initial.x - bcr.x
    },
    current: {
      ...e.current,
      x: e.current.x - bcr.x,
      y: e.current.x - bcr.x
    }
  };
}
function scaleCorrection(e, scaleX, scaleY) {
  // TODO: convert rest of API
  return {
    ...e,
    current: {
      ...e.current,
      distance: e.current.distance / ((scaleX + scaleY) / 2),
      distanceX: e.current.distanceX / scaleX,
      distanceY: e.current.distanceY / scaleY
    }
  };
}

export { normalizeCoordinates as default, scaleCorrection };
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