function computeAutoPlacement()

in js/bootstrap.bundle.js [2696:2734]


  function computeAutoPlacement(state, options) {
    if (options === void 0) {
      options = {};
    }

    var _options = options,
        placement = _options.placement,
        boundary = _options.boundary,
        rootBoundary = _options.rootBoundary,
        padding = _options.padding,
        flipVariations = _options.flipVariations,
        _options$allowedAutoP = _options.allowedAutoPlacements,
        allowedAutoPlacements = _options$allowedAutoP === void 0 ? placements : _options$allowedAutoP;
    var variation = getVariation(placement);
    var placements$1 = variation ? flipVariations ? variationPlacements : variationPlacements.filter(function (placement) {
      return getVariation(placement) === variation;
    }) : basePlacements;
    var allowedPlacements = placements$1.filter(function (placement) {
      return allowedAutoPlacements.indexOf(placement) >= 0;
    });

    if (allowedPlacements.length === 0) {
      allowedPlacements = placements$1;
    } // $FlowFixMe[incompatible-type]: Flow seems to have problems with two array unions...


    var overflows = allowedPlacements.reduce(function (acc, placement) {
      acc[placement] = detectOverflow(state, {
        placement: placement,
        boundary: boundary,
        rootBoundary: rootBoundary,
        padding: padding
      })[getBasePlacement(placement)];
      return acc;
    }, {});
    return Object.keys(overflows).sort(function (a, b) {
      return overflows[a] - overflows[b];
    });
  }