react-bootstrap/es/ThemeProvider.js

import _extends from "@babel/runtime/helpers/esm/extends";
import forwardRef from '@restart/context/forwardRef';
import React, { useContext, useMemo } from 'react';
var ThemeContext = React.createContext({});
var Consumer = ThemeContext.Consumer,
    Provider = ThemeContext.Provider;

function ThemeProvider(_ref) {
  var prefixes = _ref.prefixes,
      children = _ref.children;
  var copiedPrefixes = useMemo(function () {
    return _extends({}, prefixes);
  }, [prefixes]);
  return React.createElement(Provider, {
    value: copiedPrefixes
  }, children);
}

export function useBootstrapPrefix(prefix, defaultPrefix) {
  var prefixes = useContext(ThemeContext);
  return prefix || prefixes[defaultPrefix] || defaultPrefix;
}

function createBootstrapComponent(Component, opts) {
  if (typeof opts === 'string') opts = {
    prefix: opts
  };
  var isClassy = Component.prototype && Component.prototype.isReactComponent; // If it's a functional component make sure we don't break it with a ref

  var _opts = opts,
      prefix = _opts.prefix,
      _opts$forwardRefAs = _opts.forwardRefAs,
      forwardRefAs = _opts$forwardRefAs === void 0 ? isClassy ? 'ref' : 'innerRef' : _opts$forwardRefAs;
  return forwardRef(function (_ref2, ref) {
    var props = _extends({}, _ref2);

    props[forwardRefAs] = ref; // eslint-disable-next-line react/prop-types

    var bsPrefix = useBootstrapPrefix(props.bsPrefix, prefix);
    return React.createElement(Component, _extends({}, props, {
      bsPrefix: bsPrefix
    }));
  }, {
    displayName: "Bootstrap(" + (Component.displayName || Component.name) + ")"
  });
}

export { createBootstrapComponent, Consumer as ThemeConsumer };
export default ThemeProvider;