'use strict';

Object.defineProperty(exports, '__esModule', { value: true });

const buildPopperOptions = (props, arrowProps) => {
  const { placement, strategy, popperOptions } = props;
  const options = {
    placement,
    strategy,
    ...popperOptions,
    modifiers: genModifiers(props)
  };
  attachArrow(options, arrowProps);
  deriveExtraModifiers(options, popperOptions == null ? void 0 : popperOptions.modifiers);
  return options;
};
const unwrapMeasurableEl = ($el) => {
  let el = null;
  if (!$el)
    return null;
  if ("getBoundingClientRect" in $el || $el instanceof HTMLElement) {
    el = $el;
  } else {
    el = $el.$el;
  }
  return el;
};
function genModifiers(options) {
  const { offset, gpuAcceleration, fallbackPlacements } = options;
  return [
    {
      name: "offset",
      options: {
        offset: [0, offset != null ? offset : 12]
      }
    },
    {
      name: "preventOverflow",
      options: {
        padding: {
          top: 2,
          bottom: 2,
          left: 5,
          right: 5
        }
      }
    },
    {
      name: "flip",
      options: {
        padding: 5,
        fallbackPlacements: fallbackPlacements != null ? fallbackPlacements : []
      }
    },
    {
      name: "computeStyles",
      options: {
        gpuAcceleration,
        adaptive: gpuAcceleration
      }
    }
  ];
}
function attachArrow(options, { arrowEl, arrowOffset }) {
  options.modifiers.push({
    name: "arrow",
    options: {
      element: arrowEl,
      padding: arrowOffset != null ? arrowOffset : 5
    }
  });
}
function deriveExtraModifiers(options, modifiers) {
  if (modifiers) {
    options.modifiers = [...options.modifiers, ...modifiers != null ? modifiers : []];
  }
}

exports.buildPopperOptions = buildPopperOptions;
exports.unwrapMeasurableEl = unwrapMeasurableEl;
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