function mapToStyles()

in js/bootstrap.bundle.js [2178:2268]
75 lines of code
33 McCabe index (conditional complexity)

  function mapToStyles(_ref2) {
    var _Object$assign2;

    var popper = _ref2.popper,
        popperRect = _ref2.popperRect,
        placement = _ref2.placement,
        variation = _ref2.variation,
        offsets = _ref2.offsets,
        position = _ref2.position,
        gpuAcceleration = _ref2.gpuAcceleration,
        adaptive = _ref2.adaptive,
        roundOffsets = _ref2.roundOffsets,
        isFixed = _ref2.isFixed;
    var _offsets$x = offsets.x,
        x = _offsets$x === void 0 ? 0 : _offsets$x,
        _offsets$y = offsets.y,
        y = _offsets$y === void 0 ? 0 : _offsets$y;

    var _ref3 = typeof roundOffsets === 'function' ? roundOffsets({
      x: x,
      y: y
    }) : {
      x: x,
      y: y
    };

    x = _ref3.x;
    y = _ref3.y;
    var hasX = offsets.hasOwnProperty('x');
    var hasY = offsets.hasOwnProperty('y');
    var sideX = left;
    var sideY = top;
    var win = window;

    if (adaptive) {
      var offsetParent = getOffsetParent(popper);
      var heightProp = 'clientHeight';
      var widthProp = 'clientWidth';

      if (offsetParent === getWindow(popper)) {
        offsetParent = getDocumentElement(popper);

        if (getComputedStyle$1(offsetParent).position !== 'static' && position === 'absolute') {
          heightProp = 'scrollHeight';
          widthProp = 'scrollWidth';
        }
      } // $FlowFixMe[incompatible-cast]: force type refinement, we compare offsetParent with window above, but Flow doesn't detect it


      offsetParent = offsetParent;

      if (placement === top || (placement === left || placement === right) && variation === end) {
        sideY = bottom;
        var offsetY = isFixed && offsetParent === win && win.visualViewport ? win.visualViewport.height : // $FlowFixMe[prop-missing]
        offsetParent[heightProp];
        y -= offsetY - popperRect.height;
        y *= gpuAcceleration ? 1 : -1;
      }

      if (placement === left || (placement === top || placement === bottom) && variation === end) {
        sideX = right;
        var offsetX = isFixed && offsetParent === win && win.visualViewport ? win.visualViewport.width : // $FlowFixMe[prop-missing]
        offsetParent[widthProp];
        x -= offsetX - popperRect.width;
        x *= gpuAcceleration ? 1 : -1;
      }
    }

    var commonStyles = Object.assign({
      position: position
    }, adaptive && unsetSides);

    var _ref4 = roundOffsets === true ? roundOffsetsByDPR({
      x: x,
      y: y
    }, getWindow(popper)) : {
      x: x,
      y: y
    };

    x = _ref4.x;
    y = _ref4.y;

    if (gpuAcceleration) {
      var _Object$assign;

      return Object.assign({}, commonStyles, (_Object$assign = {}, _Object$assign[sideY] = hasY ? '0' : '', _Object$assign[sideX] = hasX ? '0' : '', _Object$assign.transform = (win.devicePixelRatio || 1) <= 1 ? "translate(" + x + "px, " + y + "px)" : "translate3d(" + x + "px, " + y + "px, 0)", _Object$assign));
    }

    return Object.assign({}, commonStyles, (_Object$assign2 = {}, _Object$assign2[sideY] = hasY ? y + "px" : '', _Object$assign2[sideX] = hasX ? x + "px" : '', _Object$assign2.transform = '', _Object$assign2));
  }