Function applyStyleOnLoad

app/src/static/js/react-bootstrap.js:4180–4194

* Set the x-placement attribute before everything else because it could be used * to add margins to the popper margins needs to be calculated to get the * correct popper offsets. * @method * @memberof Popper.modifiers * @param {HTMLElement} reference - The reference element used to position the

(reference, popper, options, modifierOptions, state)

function applyStyleOnLoad(reference, popper, options, modifierOptions, state) {
  // compute reference element offsets
  var referenceOffsets = getReferenceOffsets(state, popper, reference, options.positionFixed); // compute auto placement, store placement inside the data object,
  // modifiers will be able to edit `placement` if needed
  // and refer to originalPlacement to know the original value

  var placement = computeAutoPlacement(options.placement, referenceOffsets, popper, reference, options.modifiers.flip.boundariesElement, options.modifiers.flip.padding);
  popper.setAttribute('x-placement', placement); // Apply `position` to popper before anything else because
  // without the position applied we can't guarantee correct computations

  setStyles(popper, {
    position: options.positionFixed ? 'fixed' : 'absolute'
  });
  return options;
}
/**
 * @function
 * @memberof Popper.Utils