in static/assets/js/bootstrap.bundle.js [2172:2221]
function computeAutoPlacement(placement, refRect, popper, reference, boundariesElement) {
var padding = arguments.length > 5 && arguments[5] !== undefined ? arguments[5] : 0;
if (placement.indexOf('auto') === -1) {
return placement;
}
var boundaries = getBoundaries(popper, reference, padding, boundariesElement);
var rects = {
top: {
width: boundaries.width,
height: refRect.top - boundaries.top
},
right: {
width: boundaries.right - refRect.right,
height: boundaries.height
},
bottom: {
width: boundaries.width,
height: boundaries.bottom - refRect.bottom
},
left: {
width: refRect.left - boundaries.left,
height: boundaries.height
}
};
var sortedAreas = Object.keys(rects).map(function (key) {
return _extends({
key: key
}, rects[key], {
area: getArea(rects[key])
});
}).sort(function (a, b) {
return b.area - a.area;
});
var filteredAreas = sortedAreas.filter(function (_ref2) {
var width = _ref2.width,
height = _ref2.height;
return width >= popper.clientWidth && height >= popper.clientHeight;
});
var computedPlacement = filteredAreas.length > 0 ? filteredAreas[0].key : sortedAreas[0].key;
var variation = placement.split('-')[1];
return computedPlacement + (variation ? '-' + variation : '');
}