rfa/dist/rfa.esm.js

**React Form Architect** is an ultimate solution for creating and rendering forms in React. Its main focus is to provide users with a tool to define, render and share a form in a browser.

import React__default, { useState, useCallback, createElement, Fragment, forwardRef } from 'react';
import { Dialog, DialogTitle, DialogContent, DialogContentText, DialogActions, Button, Grid, InputAdornment, TextField, FormControlLabel, Switch as Switch$1, FormHelperText, Tooltip, Typography, Divider, Input, IconButton, Box, makeStyles, createStyles, Paper, ListItem, ListItemAvatar, ListItemText, createMuiTheme, Tab, FormControl, InputLabel, Select as Select$1, MenuItem, CircularProgress, List, ButtonGroup, AppBar, Tabs, Collapse, FormLabel, FormGroup, Checkbox, RadioGroup, Radio as Radio$1, Slider as Slider$1, ThemeProvider as ThemeProvider$1, CssBaseline as CssBaseline$1, Container, LinearProgress } from '@material-ui/core';
import createMuiTheme$1 from '@material-ui/core/styles/createMuiTheme';
import { createStore } from 'react-simple-hook-store';
import CloseIcon from '@material-ui/icons/Close';
import { HelpOutline, DragIndicatorOutlined, Clear, SwapHorizontalCircleOutlined, FileCopyOutlined, DeleteOutlined, DragHandleOutlined, EditOutlined, Close, Add, Remove, ExpandMore, ExpandLess, FormatColorTextOutlined, Looks3Outlined, CheckBoxOutlined, RadioButtonCheckedOutlined, MenuOpenOutlined, ToggleOnOutlined, LinearScaleOutlined, AccountTreeOutlined, ArrowForward, BackspaceOutlined } from '@material-ui/icons';
import { useFieldArray, useForm, useWatch, Controller } from 'react-hook-form';
import * as yup from 'yup';
import { object } from 'yup';
import { makeStyles as makeStyles$1 } from '@material-ui/styles';
import { useDrag, useDrop, DndProvider } from 'react-dnd';
import useMediaQuery from '@material-ui/core/useMediaQuery';
import purple from '@material-ui/core/colors/purple';
import green from '@material-ui/core/colors/green';
import { HTML5Backend } from 'react-dnd-html5-backend';
import CssBaseline from '@material-ui/core/CssBaseline';
import ThemeProvider from '@material-ui/styles/ThemeProvider';
import { yupResolver } from '@hookform/resolvers/yup';
import { makeStyles as makeStyles$2, createStyles as createStyles$1 } from '@material-ui/core/styles';
import Paper$1 from '@material-ui/core/Paper';
import InputBase from '@material-ui/core/InputBase';
import IconButton$1 from '@material-ui/core/IconButton';
import MenuIcon from '@material-ui/icons/Menu';
import SearchIcon from '@material-ui/icons/Search';
import Popper from '@material-ui/core/Popper';

function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) {
  try {
    var info = gen[key](arg);
    var value = info.value;
  } catch (error) {
    reject(error);
    return;
  }

  if (info.done) {
    resolve(value);
  } else {
    Promise.resolve(value).then(_next, _throw);
  }
}

function _asyncToGenerator(fn) {
  return function () {
    var self = this,
        args = arguments;
    return new Promise(function (resolve, reject) {
      var gen = fn.apply(self, args);

      function _next(value) {
        asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value);
      }

      function _throw(err) {
        asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err);
      }

      _next(undefined);
    });
  };
}

function _extends() {
  _extends = Object.assign || function (target) {
    for (var i = 1; i < arguments.length; i++) {
      var source = arguments[i];

      for (var key in source) {
        if (Object.prototype.hasOwnProperty.call(source, key)) {
          target[key] = source[key];
        }
      }
    }

    return target;
  };

  return _extends.apply(this, arguments);
}

function _objectWithoutPropertiesLoose(source, excluded) {
  if (source == null) return {};
  var target = {};
  var sourceKeys = Object.keys(source);
  var key, i;

  for (i = 0; i < sourceKeys.length; i++) {
    key = sourceKeys[i];
    if (excluded.indexOf(key) >= 0) continue;
    target[key] = source[key];
  }

  return target;
}

var ConfirmationDialog = function ConfirmationDialog(props) {
  return React__default.createElement(Dialog, {
    open: props.opened,
    onClose: props.onDeny,
    "aria-labelledby": "alert-dialog-title",
    "aria-describedby": "alert-dialog-description"
  }, props.title && React__default.createElement(DialogTitle, {
    id: "alert-dialog-title"
  }, props.title), React__default.createElement(DialogContent, null, React__default.createElement(DialogContentText, {
    id: "alert-dialog-description"
  }, props.text)), React__default.createElement(DialogActions, null, React__default.createElement(Button, {
    onClick: props.onDeny,
    color: "primary"
  }, "Disagree"), React__default.createElement(Button, {
    onClick: props.onSuccess,
    color: "primary",
    autoFocus: true
  }, "Agree")));
};

var CustomDialog = function CustomDialog(props) {
  var _props$cancelationTex, _props$confirmationTe;

  return React__default.createElement(Dialog, {
    open: props.opened,
    onClose: props.onDeny,
    "aria-labelledby": "alert-dialog-title",
    "aria-describedby": "alert-dialog-description"
  }, props.title && React__default.createElement(DialogTitle, {
    id: "alert-dialog-title"
  }, props.title), React__default.createElement(DialogContent, null, props.text && React__default.createElement(DialogContentText, {
    id: "alert-dialog-description"
  }, props.text), props.children), React__default.createElement(DialogActions, null, React__default.createElement(Button, {
    onClick: props.onDeny,
    color: "primary"
  }, (_props$cancelationTex = props.cancelationText) != null ? _props$cancelationTex : "Cancel"), React__default.createElement(Button, {
    onClick: props.onSuccess,
    color: "primary",
    autoFocus: true
  }, (_props$confirmationTe = props.confirmationText) != null ? _props$confirmationTe : "OK")));
};

var Validator = function Validator(_ref) {
  var controlComponent = _ref.controlComponent,
      controlComponentProps = _ref.controlComponentProps,
      name = _ref.name,
      register = _ref.register,
      disabledParam = _ref.disabledParam,
      defaultErrorMessage = _ref.defaultErrorMessage,
      className = _ref.className;
  return React__default.createElement(Grid, {
    container: true,
    direction: "row",
    className: className,
    spacing: 1
  }, React__default.createElement(Grid, {
    item: true,
    xs: 6
  }, React__default.createElement(controlComponent, _extends({
    name: name,
    register: register
  }, controlComponentProps))), React__default.createElement(Grid, {
    item: true,
    xs: 6
  }, React__default.createElement(TextInput, {
    register: register,
    name: name + "ErrorMessage",
    type: "text",
    label: "error message",
    muiProps: {
      disabled: disabledParam,
      defaultValue: defaultErrorMessage
    }
  })));
};

var Max = function Max(props) {
  return React__default.createElement(Validator, Object.assign({}, props, {
    controlComponent: TextInput,
    controlComponentProps: {
      type: "number",
      label: "Maximal value/length"
    },
    defaultErrorMessage: "Value is too long"
  }));
};

var Min = function Min(props) {
  return React__default.createElement(Validator, Object.assign({}, props, {
    controlComponent: TextInput,
    controlComponentProps: {
      type: "number",
      label: "Minimal value/length"
    },
    defaultErrorMessage: "Value is too short"
  }));
};

var Regex = function Regex(props) {
  return React__default.createElement(Validator, Object.assign({}, props, {
    controlComponent: TextInput,
    controlComponentProps: {
      label: "Regular expression",
      muiProps: {
        InputProps: {
          startAdornment: React__default.createElement(InputAdornment, {
            position: "start"
          }, "/"),
          endAdornment: React__default.createElement(InputAdornment, {
            position: "end"
          }, "/")
        }
      }
    },
    defaultErrorMessage: "Value does not match expression"
  }));
};

var Required = function Required(props) {
  return React__default.createElement(Validator, Object.assign({}, props, {
    controlComponent: CheckBox,
    controlComponentProps: {
      options: [{
        name: "Required"
      }]
    },
    defaultErrorMessage: "Field is required"
  }));
};

var Integer = function Integer(props) {
  return React__default.createElement(Validator, Object.assign({}, props, {
    controlComponent: Switch,
    controlComponentProps: {
      label: "Integer"
    },
    defaultErrorMessage: "Value is not an integer"
  }));
};

var LessThan = function LessThan(props) {
  return React__default.createElement(Validator, Object.assign({}, props, {
    controlComponent: TextInput,
    controlComponentProps: {
      type: "number",
      label: "Less than"
    },
    defaultErrorMessage: "Value is too high"
  }));
};

var MoreThan = function MoreThan(props) {
  return React__default.createElement(Validator, Object.assign({}, props, {
    controlComponent: TextInput,
    controlComponentProps: {
      type: "number",
      label: "More than"
    },
    defaultErrorMessage: "Value is too low"
  }));
};

var Negative = function Negative(props) {
  return React__default.createElement(Validator, Object.assign({}, props, {
    controlComponent: Switch,
    controlComponentProps: {
      label: "Negative"
    },
    defaultErrorMessage: "Value is not negative"
  }));
};

var Positive = function Positive(props) {
  return React__default.createElement(Validator, Object.assign({}, props, {
    controlComponent: Switch,
    controlComponentProps: {
      label: "Positive"
    },
    defaultErrorMessage: "Value is not positive"
  }));
};

var TextInput = function TextInput(props) {
  var _props$error$message, _props$error, _props$error2;

  return React__default.createElement(FormComponentWrapper, {
    variant: "outlined"
  }, React__default.createElement(TextField, Object.assign({
    inputRef: props.register,
    name: props.name,
    label: props.label,
    placeholder: props.placeholder,
    type: props.type,
    helperText: (_props$error$message = (_props$error = props.error) == null ? void 0 : _props$error.message) != null ? _props$error$message : props.helperText,
    error: !!((_props$error2 = props.error) == null ? void 0 : _props$error2.message),
    InputLabelProps: {
      shrink: true
    }
  }, props.muiProps)));
};

var Length = function Length(props) {
  return React__default.createElement(Validator, Object.assign({}, props, {
    controlComponent: TextInput,
    controlComponentProps: {
      type: "number",
      label: "Length"
    },
    defaultErrorMessage: "Value must be exactly X characters long"
  }));
};

var Switch = function Switch(props) {
  var _props$error, _props$error2, _props$error3, _props$error$message, _props$error4;

  return React__default.createElement(FormComponentWrapper, {
    error: !!((_props$error = props.error) == null ? void 0 : _props$error.message)
  }, React__default.createElement(FormControlLabel, {
    control: React__default.createElement(Switch$1, Object.assign({
      inputRef: props.register,
      name: props.name
    }, props.muiProps)),
    label: props.label
  }), (props.helperText || ((_props$error2 = props.error) == null ? void 0 : _props$error2.message)) && React__default.createElement(FormHelperText, {
    error: !!((_props$error3 = props.error) == null ? void 0 : _props$error3.message)
  }, (_props$error$message = (_props$error4 = props.error) == null ? void 0 : _props$error4.message) != null ? _props$error$message : props.helperText));
};

var Email = function Email(props) {
  return React__default.createElement(Validator, Object.assign({}, props, {
    controlComponent: Switch,
    controlComponentProps: {
      label: "Email"
    },
    defaultErrorMessage: "Value is not a valid email address"
  }));
};

var Url = function Url(props) {
  return React__default.createElement(Validator, Object.assign({}, props, {
    controlComponent: Switch,
    controlComponentProps: {
      label: "URL"
    },
    defaultErrorMessage: "Value is not a valid url"
  }));
};

function createCommonjsModule(fn, module) {
	return module = { exports: {} }, fn(module, module.exports), module.exports;
}

var runtime_1 = createCommonjsModule(function (module) {
/**
 * Copyright (c) 2014-present, Facebook, Inc.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 */

var runtime = (function (exports) {

  var Op = Object.prototype;
  var hasOwn = Op.hasOwnProperty;
  var undefined$1; // More compressible than void 0.
  var $Symbol = typeof Symbol === "function" ? Symbol : {};
  var iteratorSymbol = $Symbol.iterator || "@@iterator";
  var asyncIteratorSymbol = $Symbol.asyncIterator || "@@asyncIterator";
  var toStringTagSymbol = $Symbol.toStringTag || "@@toStringTag";

  function define(obj, key, value) {
    Object.defineProperty(obj, key, {
      value: value,
      enumerable: true,
      configurable: true,
      writable: true
    });
    return obj[key];
  }
  try {
    // IE 8 has a broken Object.defineProperty that only works on DOM objects.
    define({}, "");
  } catch (err) {
    define = function(obj, key, value) {
      return obj[key] = value;
    };
  }

  function wrap(innerFn, outerFn, self, tryLocsList) {
    // If outerFn provided and outerFn.prototype is a Generator, then outerFn.prototype instanceof Generator.
    var protoGenerator = outerFn && outerFn.prototype instanceof Generator ? outerFn : Generator;
    var generator = Object.create(protoGenerator.prototype);
    var context = new Context(tryLocsList || []);

    // The ._invoke method unifies the implementations of the .next,
    // .throw, and .return methods.
    generator._invoke = makeInvokeMethod(innerFn, self, context);

    return generator;
  }
  exports.wrap = wrap;

  // Try/catch helper to minimize deoptimizations. Returns a completion
  // record like context.tryEntries[i].completion. This interface could
  // have been (and was previously) designed to take a closure to be
  // invoked without arguments, but in all the cases we care about we
  // already have an existing method we want to call, so there's no need
  // to create a new function object. We can even get away with assuming
  // the method takes exactly one argument, since that happens to be true
  // in every case, so we don't have to touch the arguments object. The
  // only additional allocation required is the completion record, which
  // has a stable shape and so hopefully should be cheap to allocate.
  function tryCatch(fn, obj, arg) {
    try {
      return { type: "normal", arg: fn.call(obj, arg) };
    } catch (err) {
      return { type: "throw", arg: err };
    }
  }

  var GenStateSuspendedStart = "suspendedStart";
  var GenStateSuspendedYield = "suspendedYield";
  var GenStateExecuting = "executing";
  var GenStateCompleted = "completed";

  // Returning this object from the innerFn has the same effect as
  // breaking out of the dispatch switch statement.
  var ContinueSentinel = {};

  // Dummy constructor functions that we use as the .constructor and
  // .constructor.prototype properties for functions that return Generator
  // objects. For full spec compliance, you may wish to configure your
  // minifier not to mangle the names of these two functions.
  function Generator() {}
  function GeneratorFunction() {}
  function GeneratorFunctionPrototype() {}

  // This is a polyfill for %IteratorPrototype% for environments that
  // don't natively support it.
  var IteratorPrototype = {};
  IteratorPrototype[iteratorSymbol] = function () {
    return this;
  };

  var getProto = Object.getPrototypeOf;
  var NativeIteratorPrototype = getProto && getProto(getProto(values([])));
  if (NativeIteratorPrototype &&
      NativeIteratorPrototype !== Op &&
      hasOwn.call(NativeIteratorPrototype, iteratorSymbol)) {
    // This environment has a native %IteratorPrototype%; use it instead
    // of the polyfill.
    IteratorPrototype = NativeIteratorPrototype;
  }

  var Gp = GeneratorFunctionPrototype.prototype =
    Generator.prototype = Object.create(IteratorPrototype);
  GeneratorFunction.prototype = Gp.constructor = GeneratorFunctionPrototype;
  GeneratorFunctionPrototype.constructor = GeneratorFunction;
  GeneratorFunction.displayName = define(
    GeneratorFunctionPrototype,
    toStringTagSymbol,
    "GeneratorFunction"
  );

  // Helper for defining the .next, .throw, and .return methods of the
  // Iterator interface in terms of a single ._invoke method.
  function defineIteratorMethods(prototype) {
    ["next", "throw", "return"].forEach(function(method) {
      define(prototype, method, function(arg) {
        return this._invoke(method, arg);
      });
    });
  }

  exports.isGeneratorFunction = function(genFun) {
    var ctor = typeof genFun === "function" && genFun.constructor;
    return ctor
      ? ctor === GeneratorFunction ||
        // For the native GeneratorFunction constructor, the best we can
        // do is to check its .name property.
        (ctor.displayName || ctor.name) === "GeneratorFunction"
      : false;
  };

  exports.mark = function(genFun) {
    if (Object.setPrototypeOf) {
      Object.setPrototypeOf(genFun, GeneratorFunctionPrototype);
    } else {
      genFun.__proto__ = GeneratorFunctionPrototype;
      define(genFun, toStringTagSymbol, "GeneratorFunction");
    }
    genFun.prototype = Object.create(Gp);
    return genFun;
  };

  // Within the body of any async function, `await x` is transformed to
  // `yield regeneratorRuntime.awrap(x)`, so that the runtime can test
  // `hasOwn.call(value, "__await")` to determine if the yielded value is
  // meant to be awaited.
  exports.awrap = function(arg) {
    return { __await: arg };
  };

  function AsyncIterator(generator, PromiseImpl) {
    function invoke(method, arg, resolve, reject) {
      var record = tryCatch(generator[method], generator, arg);
      if (record.type === "throw") {
        reject(record.arg);
      } else {
        var result = record.arg;
        var value = result.value;
        if (value &&
            typeof value === "object" &&
            hasOwn.call(value, "__await")) {
          return PromiseImpl.resolve(value.__await).then(function(value) {
            invoke("next", value, resolve, reject);
          }, function(err) {
            invoke("throw", err, resolve, reject);
          });
        }

        return PromiseImpl.resolve(value).then(function(unwrapped) {
          // When a yielded Promise is resolved, its final value becomes
          // the .value of the Promise<{value,done}> result for the
          // current iteration.
          result.value = unwrapped;
          resolve(result);
        }, function(error) {
          // If a rejected Promise was yielded, throw the rejection back
          // into the async generator function so it can be handled there.
          return invoke("throw", error, resolve, reject);
        });
      }
    }

    var previousPromise;

    function enqueue(method, arg) {
      function callInvokeWithMethodAndArg() {
        return new PromiseImpl(function(resolve, reject) {
          invoke(method, arg, resolve, reject);
        });
      }

      return previousPromise =
        // If enqueue has been called before, then we want to wait until
        // all previous Promises have been resolved before calling invoke,
        // so that results are always delivered in the correct order. If
        // enqueue has not been called before, then it is important to
        // call invoke immediately, without waiting on a callback to fire,
        // so that the async generator function has the opportunity to do
        // any necessary setup in a predictable way. This predictability
        // is why the Promise constructor synchronously invokes its
        // executor callback, and why async functions synchronously
        // execute code before the first await. Since we implement simple
        // async functions in terms of async generators, it is especially
        // important to get this right, even though it requires care.
        previousPromise ? previousPromise.then(
          callInvokeWithMethodAndArg,
          // Avoid propagating failures to Promises returned by later
          // invocations of the iterator.
          callInvokeWithMethodAndArg
        ) : callInvokeWithMethodAndArg();
    }

    // Define the unified helper method that is used to implement .next,
    // .throw, and .return (see defineIteratorMethods).
    this._invoke = enqueue;
  }

  defineIteratorMethods(AsyncIterator.prototype);
  AsyncIterator.prototype[asyncIteratorSymbol] = function () {
    return this;
  };
  exports.AsyncIterator = AsyncIterator;

  // Note that simple async functions are implemented on top of
  // AsyncIterator objects; they just return a Promise for the value of
  // the final result produced by the iterator.
  exports.async = function(innerFn, outerFn, self, tryLocsList, PromiseImpl) {
    if (PromiseImpl === void 0) PromiseImpl = Promise;

    var iter = new AsyncIterator(
      wrap(innerFn, outerFn, self, tryLocsList),
      PromiseImpl
    );

    return exports.isGeneratorFunction(outerFn)
      ? iter // If outerFn is a generator, return the full iterator.
      : iter.next().then(function(result) {
          return result.done ? result.value : iter.next();
        });
  };

  function makeInvokeMethod(innerFn, self, context) {
    var state = GenStateSuspendedStart;

    return function invoke(method, arg) {
      if (state === GenStateExecuting) {
        throw new Error("Generator is already running");
      }

      if (state === GenStateCompleted) {
        if (method === "throw") {
          throw arg;
        }

        // Be forgiving, per 25.3.3.3.3 of the spec:
        // https://people.mozilla.org/~jorendorff/es6-draft.html#sec-generatorresume
        return doneResult();
      }

      context.method = method;
      context.arg = arg;

      while (true) {
        var delegate = context.delegate;
        if (delegate) {
          var delegateResult = maybeInvokeDelegate(delegate, context);
          if (delegateResult) {
            if (delegateResult === ContinueSentinel) continue;
            return delegateResult;
          }
        }

        if (context.method === "next") {
          // Setting context._sent for legacy support of Babel's
          // function.sent implementation.
          context.sent = context._sent = context.arg;

        } else if (context.method === "throw") {
          if (state === GenStateSuspendedStart) {
            state = GenStateCompleted;
            throw context.arg;
          }

          context.dispatchException(context.arg);

        } else if (context.method === "return") {
          context.abrupt("return", context.arg);
        }

        state = GenStateExecuting;

        var record = tryCatch(innerFn, self, context);
        if (record.type === "normal") {
          // If an exception is thrown from innerFn, we leave state ===
          // GenStateExecuting and loop back for another invocation.
          state = context.done
            ? GenStateCompleted
            : GenStateSuspendedYield;

          if (record.arg === ContinueSentinel) {
            continue;
          }

          return {
            value: record.arg,
            done: context.done
          };

        } else if (record.type === "throw") {
          state = GenStateCompleted;
          // Dispatch the exception by looping back around to the
          // context.dispatchException(context.arg) call above.
          context.method = "throw";
          context.arg = record.arg;
        }
      }
    };
  }

  // Call delegate.iterator[context.method](context.arg) and handle the
  // result, either by returning a { value, done } result from the
  // delegate iterator, or by modifying context.method and context.arg,
  // setting context.delegate to null, and returning the ContinueSentinel.
  function maybeInvokeDelegate(delegate, context) {
    var method = delegate.iterator[context.method];
    if (method === undefined$1) {
      // A .throw or .return when the delegate iterator has no .throw
      // method always terminates the yield* loop.
      context.delegate = null;

      if (context.method === "throw") {
        // Note: ["return"] must be used for ES3 parsing compatibility.
        if (delegate.iterator["return"]) {
          // If the delegate iterator has a return method, give it a
          // chance to clean up.
          context.method = "return";
          context.arg = undefined$1;
          maybeInvokeDelegate(delegate, context);

          if (context.method === "throw") {
            // If maybeInvokeDelegate(context) changed context.method from
            // "return" to "throw", let that override the TypeError below.
            return ContinueSentinel;
          }
        }

        context.method = "throw";
        context.arg = new TypeError(
          "The iterator does not provide a 'throw' method");
      }

      return ContinueSentinel;
    }

    var record = tryCatch(method, delegate.iterator, context.arg);

    if (record.type === "throw") {
      context.method = "throw";
      context.arg = record.arg;
      context.delegate = null;
      return ContinueSentinel;
    }

    var info = record.arg;

    if (! info) {
      context.method = "throw";
      context.arg = new TypeError("iterator result is not an object");
      context.delegate = null;
      return ContinueSentinel;
    }

    if (info.done) {
      // Assign the result of the finished delegate to the temporary
      // variable specified by delegate.resultName (see delegateYield).
      context[delegate.resultName] = info.value;

      // Resume execution at the desired location (see delegateYield).
      context.next = delegate.nextLoc;

      // If context.method was "throw" but the delegate handled the
      // exception, let the outer generator proceed normally. If
      // context.method was "next", forget context.arg since it has been
      // "consumed" by the delegate iterator. If context.method was
      // "return", allow the original .return call to continue in the
      // outer generator.
      if (context.method !== "return") {
        context.method = "next";
        context.arg = undefined$1;
      }

    } else {
      // Re-yield the result returned by the delegate method.
      return info;
    }

    // The delegate iterator is finished, so forget it and continue with
    // the outer generator.
    context.delegate = null;
    return ContinueSentinel;
  }

  // Define Generator.prototype.{next,throw,return} in terms of the
  // unified ._invoke helper method.
  defineIteratorMethods(Gp);

  define(Gp, toStringTagSymbol, "Generator");

  // A Generator should always return itself as the iterator object when the
  // @@iterator function is called on it. Some browsers' implementations of the
  // iterator prototype chain incorrectly implement this, causing the Generator
  // object to not be returned from this call. This ensures that doesn't happen.
  // See https://github.com/facebook/regenerator/issues/274 for more details.
  Gp[iteratorSymbol] = function() {
    return this;
  };

  Gp.toString = function() {
    return "[object Generator]";
  };

  function pushTryEntry(locs) {
    var entry = { tryLoc: locs[0] };

    if (1 in locs) {
      entry.catchLoc = locs[1];
    }

    if (2 in locs) {
      entry.finallyLoc = locs[2];
      entry.afterLoc = locs[3];
    }

    this.tryEntries.push(entry);
  }

  function resetTryEntry(entry) {
    var record = entry.completion || {};
    record.type = "normal";
    delete record.arg;
    entry.completion = record;
  }

  function Context(tryLocsList) {
    // The root entry object (effectively a try statement without a catch
    // or a finally block) gives us a place to store values thrown from
    // locations where there is no enclosing try statement.
    this.tryEntries = [{ tryLoc: "root" }];
    tryLocsList.forEach(pushTryEntry, this);
    this.reset(true);
  }

  exports.keys = function(object) {
    var keys = [];
    for (var key in object) {
      keys.push(key);
    }
    keys.reverse();

    // Rather than returning an object with a next method, we keep
    // things simple and return the next function itself.
    return function next() {
      while (keys.length) {
        var key = keys.pop();
        if (key in object) {
          next.value = key;
          next.done = false;
          return next;
        }
      }

      // To avoid creating an additional object, we just hang the .value
      // and .done properties off the next function object itself. This
      // also ensures that the minifier will not anonymize the function.
      next.done = true;
      return next;
    };
  };

  function values(iterable) {
    if (iterable) {
      var iteratorMethod = iterable[iteratorSymbol];
      if (iteratorMethod) {
        return iteratorMethod.call(iterable);
      }

      if (typeof iterable.next === "function") {
        return iterable;
      }

      if (!isNaN(iterable.length)) {
        var i = -1, next = function next() {
          while (++i < iterable.length) {
            if (hasOwn.call(iterable, i)) {
              next.value = iterable[i];
              next.done = false;
              return next;
            }
          }

          next.value = undefined$1;
          next.done = true;

          return next;
        };

        return next.next = next;
      }
    }

    // Return an iterator with no values.
    return { next: doneResult };
  }
  exports.values = values;

  function doneResult() {
    return { value: undefined$1, done: true };
  }

  Context.prototype = {
    constructor: Context,

    reset: function(skipTempReset) {
      this.prev = 0;
      this.next = 0;
      // Resetting context._sent for legacy support of Babel's
      // function.sent implementation.
      this.sent = this._sent = undefined$1;
      this.done = false;
      this.delegate = null;

      this.method = "next";
      this.arg = undefined$1;

      this.tryEntries.forEach(resetTryEntry);

      if (!skipTempReset) {
        for (var name in this) {
          // Not sure about the optimal order of these conditions:
          if (name.charAt(0) === "t" &&
              hasOwn.call(this, name) &&
              !isNaN(+name.slice(1))) {
            this[name] = undefined$1;
          }
        }
      }
    },

    stop: function() {
      this.done = true;

      var rootEntry = this.tryEntries[0];
      var rootRecord = rootEntry.completion;
      if (rootRecord.type === "throw") {
        throw rootRecord.arg;
      }

      return this.rval;
    },

    dispatchException: function(exception) {
      if (this.done) {
        throw exception;
      }

      var context = this;
      function handle(loc, caught) {
        record.type = "throw";
        record.arg = exception;
        context.next = loc;

        if (caught) {
          // If the dispatched exception was caught by a catch block,
          // then let that catch block handle the exception normally.
          context.method = "next";
          context.arg = undefined$1;
        }

        return !! caught;
      }

      for (var i = this.tryEntries.length - 1; i >= 0; --i) {
        var entry = this.tryEntries[i];
        var record = entry.completion;

        if (entry.tryLoc === "root") {
          // Exception thrown outside of any try block that could handle
          // it, so set the completion value of the entire function to
          // throw the exception.
          return handle("end");
        }

        if (entry.tryLoc <= this.prev) {
          var hasCatch = hasOwn.call(entry, "catchLoc");
          var hasFinally = hasOwn.call(entry, "finallyLoc");

          if (hasCatch && hasFinally) {
            if (this.prev < entry.catchLoc) {
              return handle(entry.catchLoc, true);
            } else if (this.prev < entry.finallyLoc) {
              return handle(entry.finallyLoc);
            }

          } else if (hasCatch) {
            if (this.prev < entry.catchLoc) {
              return handle(entry.catchLoc, true);
            }

          } else if (hasFinally) {
            if (this.prev < entry.finallyLoc) {
              return handle(entry.finallyLoc);
            }

          } else {
            throw new Error("try statement without catch or finally");
          }
        }
      }
    },

    abrupt: function(type, arg) {
      for (var i = this.tryEntries.length - 1; i >= 0; --i) {
        var entry = this.tryEntries[i];
        if (entry.tryLoc <= this.prev &&
            hasOwn.call(entry, "finallyLoc") &&
            this.prev < entry.finallyLoc) {
          var finallyEntry = entry;
          break;
        }
      }

      if (finallyEntry &&
          (type === "break" ||
           type === "continue") &&
          finallyEntry.tryLoc <= arg &&
          arg <= finallyEntry.finallyLoc) {
        // Ignore the finally entry if control is not jumping to a
        // location outside the try/catch block.
        finallyEntry = null;
      }

      var record = finallyEntry ? finallyEntry.completion : {};
      record.type = type;
      record.arg = arg;

      if (finallyEntry) {
        this.method = "next";
        this.next = finallyEntry.finallyLoc;
        return ContinueSentinel;
      }

      return this.complete(record);
    },

    complete: function(record, afterLoc) {
      if (record.type === "throw") {
        throw record.arg;
      }

      if (record.type === "break" ||
          record.type === "continue") {
        this.next = record.arg;
      } else if (record.type === "return") {
        this.rval = this.arg = record.arg;
        this.method = "return";
        this.next = "end";
      } else if (record.type === "normal" && afterLoc) {
        this.next = afterLoc;
      }

      return ContinueSentinel;
    },

    finish: function(finallyLoc) {
      for (var i = this.tryEntries.length - 1; i >= 0; --i) {
        var entry = this.tryEntries[i];
        if (entry.finallyLoc === finallyLoc) {
          this.complete(entry.completion, entry.afterLoc);
          resetTryEntry(entry);
          return ContinueSentinel;
        }
      }
    },

    "catch": function(tryLoc) {
      for (var i = this.tryEntries.length - 1; i >= 0; --i) {
        var entry = this.tryEntries[i];
        if (entry.tryLoc === tryLoc) {
          var record = entry.completion;
          if (record.type === "throw") {
            var thrown = record.arg;
            resetTryEntry(entry);
          }
          return thrown;
        }
      }

      // The context.catch method must only be called with a location
      // argument that corresponds to a known catch block.
      throw new Error("illegal catch attempt");
    },

    delegateYield: function(iterable, resultName, nextLoc) {
      this.delegate = {
        iterator: values(iterable),
        resultName: resultName,
        nextLoc: nextLoc
      };

      if (this.method === "next") {
        // Deliberately forget the last sent value so that we don't
        // accidentally pass it on to the delegate.
        this.arg = undefined$1;
      }

      return ContinueSentinel;
    }
  };

  // Regardless of whether this script is executing as a CommonJS module
  // or not, return the runtime object so that we can declare the variable
  // regeneratorRuntime in the outer scope, which allows this module to be
  // injected easily by `bin/regenerator --include-runtime script.js`.
  return exports;

}(
  // If this script is executing as a CommonJS module, use module.exports
  // as the regeneratorRuntime namespace. Otherwise create a new empty
  // object. Either way, the resulting object will be used to initialize
  // the regeneratorRuntime variable at the top of this file.
   module.exports 
));

try {
  regeneratorRuntime = runtime;
} catch (accidentalStrictMode) {
  // This module should not be running in strict mode, so the above
  // assignment should always work unless something is misconfigured. Just
  // in case runtime.js accidentally runs in strict mode, we can escape
  // strict mode using a global Function call. This could conceivably fail
  // if a Content Security Policy forbids using Function, but in that case
  // the proper solution is to fix the accidental strict mode problem. If
  // you've misconfigured your bundler to force strict mode and applied a
  // CSP to forbid Function, and you're not willing to fix either of those
  // problems, please detail your unique predicament in a GitHub issue.
  Function("r", "regeneratorRuntime = r")(runtime);
}
});

function uuid() {
  var i, random;
  var uuid = "";

  for (i = 0; i < 32; i++) {
    random = Math.random() * 16 | 0;

    if (i === 8 || i === 12 || i === 16 || i === 20) {
      uuid += "-";
    }

    uuid += (i === 12 ? 4 : i === 16 ? random & 3 | 8 : random).toString(16);
  }

  return uuid;
}

var formElementActions = {
  addFormElement: function addFormElement(store, element) {
    store.setState({
      elements: [].concat(store.state.elements, [element])
    });
  },
  addFormElementAtIndex: function addFormElementAtIndex(store, payload, index) {
    var elements = [].concat(store.state.elements);
    elements.splice(index, 0, payload);
    store.setState({
      elements: elements
    });
  },
  removeFormElement: function removeFormElement(store, id) {
    store.setState({
      elements: store.state.elements.filter(function (el) {
        return el.id !== id;
      })
    });
  },
  copyFormElement: function copyFormElement(store, id, name, position) {
    var duplicateElement = store.state.elements.find(function (el) {
      return el.id === id;
    });
    duplicateElement.name = name;
    var index = store.state.elements.findIndex(function (el) {
      return el.id === id;
    });

    if (!duplicateElement) {
      return null;
    }

    var newElement = _extends({}, duplicateElement, {
      id: uuid(),
      groupPosition: position
    });

    formElementActions.addFormElementAtIndex(store, newElement, index + 1);
    return null;
  },
  swapFormElements: function swapFormElements(store, groupID, oldIndex, newIndex) {
    var elements = store.state.elements.filter(function (el) {
      return el.groupID === groupID;
    });
    var restElements = store.state.elements.filter(function (el) {
      return el.groupID !== groupID;
    });
    var elementA = elements[oldIndex];
    var elementB = elements[newIndex]; // swap group position indexes

    var index = elementA.groupPosition;
    elementA.groupPosition = elementB.groupPosition;
    elementB.groupPosition = index;
    elements.splice(oldIndex, 1, elementA);
    elements.splice(newIndex, 1, elementB);
    store.setState({
      elements: [].concat(elements.sort(function (a, b) {
        return a.groupPosition - b.groupPosition;
      }), restElements)
    });
  },
  transferElement: function transferElement(store, id, groupId) {
    formElementActions.setFormElementAttribute(store, id, 'groupID', groupId);
  },
  setFormElementAttributes: function setFormElementAttributes(store, id, attrs) {
    var elements = [].concat(store.state.elements);
    var element = elements.find(function (el) {
      return el.id === id;
    });
    var elementId = elements.findIndex(function (el) {
      return el.id === id;
    });

    if (!element) {
      return null;
    }

    var updatedElement = _extends({}, element, {
      attributes: _extends({}, attrs)
    });

    elements.splice(elementId, 1, updatedElement);
    store.setState({
      elements: elements
    });
    return null;
  },
  setFormElementValidations: function setFormElementValidations(store, id, validations) {
    var elements = [].concat(store.state.elements);
    var element = elements.find(function (el) {
      return el.id === id;
    });
    var elementId = elements.findIndex(function (el) {
      return el.id === id;
    });

    if (!element) {
      return null;
    }

    var updatedElement = _extends({}, element, {
      attributes: _extends({}, element.attributes, {
        required: validations.required
      }),
      validations: _extends({}, validations)
    });

    elements.splice(elementId, 1, updatedElement);
    store.setState({
      elements: elements
    });
    return null;
  },
  setFormElementAttribute: function setFormElementAttribute(store, id, attribute, value) {
    var _extends2;

    var elements = [].concat(store.state.elements);
    var element = elements.find(function (el) {
      return el.id === id;
    });
    var elementId = elements.findIndex(function (el) {
      return el.id === id;
    });

    if (!element) {
      return null;
    }

    var updatedElement = _extends({}, element, (_extends2 = {}, _extends2[attribute] = value, _extends2));

    elements.splice(elementId, 1, updatedElement);
    store.setState({
      elements: elements
    });
    return null;
  }
};

var groupingActions = {
  addGroup: function addGroup(store, group) {
    store.setState({
      grouping: {
        activeGroup: group.id,
        groups: [].concat(store.state.grouping.groups, [group])
      }
    });
  },
  setActiveGroup: function setActiveGroup(store, id) {
    store.setState({
      grouping: {
        groups: [].concat(store.state.grouping.groups),
        activeGroup: id
      }
    });
  },
  removeGroup: function removeGroup(store, id) {
    var _newActiveGroup$id;

    if (store.state.grouping.groups.length === 1) {
      return null;
    }

    var newActiveGroup = store.state.grouping.groups.find(function (g) {
      return g.id !== id;
    });
    store.setState({
      grouping: {
        groups: [].concat(store.state.grouping.groups.filter(function (g) {
          return g.id !== id;
        })),
        activeGroup: (_newActiveGroup$id = newActiveGroup == null ? void 0 : newActiveGroup.id) != null ? _newActiveGroup$id : store.state.grouping.groups[0].id
      },
      elements: [].concat(store.state.elements.filter(function (el) {
        return el.groupID !== id;
      }))
    });
    return null;
  },
  renameGroup: function renameGroup(store, id, name) {
    var groups = [].concat(store.state.grouping.groups);
    var group = groups.find(function (g) {
      return g.id === id;
    });
    var groupIndex = groups.findIndex(function (g) {
      return g.id === id;
    });
    console.log({
      group: group,
      groupIndex: groupIndex
    });

    if (!group || groupIndex === -1) {
      return null;
    }

    var updatedGroup = _extends({}, group, {
      name: name
    });

    groups.splice(groupIndex, 1, updatedGroup);
    store.setState({
      grouping: {
        groups: groups,
        activeGroup: store.state.grouping.activeGroup
      }
    });
    return null;
  },
  swapGroups: function swapGroups(store, oldIndex, newIndex) {
    var groups = [].concat(store.state.grouping.groups);
    groups[oldIndex] = groups.splice(newIndex, 1, groups[oldIndex])[0];
    store.setState({
      grouping: {
        groups: groups,
        activeGroup: store.state.grouping.activeGroup
      }
    });
  }
};

var storeActions = {
  setStore: function setStore(store, newStore) {
    store.setState({
      elements: newStore.elements,
      grouping: newStore.grouping
    });
  },
  clearStore: function clearStore(store) {
    store.setState(initialState);
  }
};

var defaultGroupID = /*#__PURE__*/uuid();
var initialState = {
  elements: [],
  grouping: {
    groups: [{
      id: defaultGroupID,
      name: 'default group'
    }],
    activeGroup: defaultGroupID
  }
};

var _createStore = /*#__PURE__*/createStore(initialState, {
  formElementsActions: formElementActions,
  groupingActions: groupingActions,
  storeActions: storeActions
}),
    useStore = _createStore.useStore;

var useDataExporter = function useDataExporter() {
  var _useStore = useStore(function (s) {
    return s;
  }, function (a) {
    return a.storeActions;
  }),
      store = _useStore[0],
      storeActions = _useStore[1];

  var _useRfaDataConverter = useRfaDataConverter(),
      _useRfaDataConverter$ = _useRfaDataConverter.handlers,
      dataToStore = _useRfaDataConverter$.dataToStore,
      dataToExport = _useRfaDataConverter$.dataToExport;

  var _React$useState = React__default.useState(false),
      copied = _React$useState[0],
      setCopied = _React$useState[1];

  var _React$useState2 = React__default.useState(false),
      exported = _React$useState2[0],
      setExported = _React$useState2[1];

  var _React$useState3 = React__default.useState(false),
      imported = _React$useState3[0],
      setImported = _React$useState3[1];

  var getStringData = React__default.useCallback(function () {
    return JSON.stringify(store);
  }, [store]);
  var saveAsJSON = React__default.useCallback(function () {
    var storeToExport = dataToExport(store);
    var stringData = JSON.stringify(storeToExport);
    var out = [];

    for (var i = 0; i < stringData.length; i++) {
      out[i] = stringData.charCodeAt(i);
    }

    var data = new Uint8Array(out);
    var blob = new Blob([data], {
      type: 'application/octet-stream'
    });
    var url = URL.createObjectURL(blob);
    var link = document.createElement('a');
    link.setAttribute('href', url);
    link.setAttribute('download', 'small_step_for_rfa.json');
    link.click();
    setExported(true);
  }, [getStringData]);

  var isTypeofState = function isTypeofState(data) {
    return !!(data.elements && data.elements.length && data.elements[0].id && data.elements[0].name && data.elements[0].groupID && data.grouping);
  };

  var importData = React__default.useCallback(function (jsonData) {
    if (!isTypeofState(jsonData)) {
      alert('import unsuccessful, wrong type!');
      setImported(false);
      return;
    }

    var storeData = dataToStore(jsonData);
    storeActions.clearStore();
    storeActions.setStore(storeData);
    setImported(true);
  }, [storeActions, dataToStore]);
  var copyToClipboard = React__default.useCallback( /*#__PURE__*/_asyncToGenerator( /*#__PURE__*/runtime_1.mark(function _callee() {
    return runtime_1.wrap(function _callee$(_context) {
      while (1) {
        switch (_context.prev = _context.next) {
          case 0:
            _context.prev = 0;
            _context.next = 3;
            return navigator.clipboard.writeText(getStringData());

          case 3:
            setCopied(true);
            _context.next = 10;
            break;

          case 6:
            _context.prev = 6;
            _context.t0 = _context["catch"](0);
            console.log(_context.t0);
            setCopied(false);

          case 10:
          case "end":
            return _context.stop();
        }
      }
    }, _callee, null, [[0, 6]]);
  })), [getStringData]);
  return {
    handlers: {
      saveAsJSON: saveAsJSON,
      importData: importData,
      copyToClipboard: copyToClipboard
    },
    state: {
      copied: copied,
      exported: exported,
      imported: imported
    }
  };
};

var useDialog = function useDialog(init) {
  if (init === void 0) {
    init = false;
  }

  var _useState = useState(init),
      open = _useState[0],
      setOpen = _useState[1];

  var handleOpen = useCallback(function () {
    return setOpen(true);
  }, []);
  var handleClose = useCallback(function () {
    return setOpen(false);
  }, []);
  return [open, handleOpen, handleClose];
};

var HelperTooltip = function HelperTooltip(_ref) {
  var text = _ref.text;
  return React__default.createElement(Tooltip, {
    title: text
  }, React__default.createElement(HelpOutline, {
    fontSize: "small",
    color: "action"
  }));
};

var TreeNodeDataBuilder = function TreeNodeDataBuilder(props) {
  var classes = useStyles();

  var _useFieldArray = useFieldArray({
    name: props.name,
    control: props.control
  }),
      fields = _useFieldArray.fields,
      append = _useFieldArray.append,
      remove = _useFieldArray.remove,
      swap = _useFieldArray.swap;

  return createElement(Fragment, null, createElement(Grid, {
    container: true,
    spacing: 1,
    direction: 'column',
    className: classes.wrapper
  }, createElement(Typography, {
    color: 'textSecondary',
    variant: 'subtitle2'
  }, "Node data"), createElement(Grid, {
    item: true,
    container: true,
    direction: 'row',
    alignItems: 'center',
    justify: 'center',
    spacing: 2,
    className: classes.container
  }, createElement("div", {
    style: {
      width: 26
    }
  }), createElement(Grid, {
    item: true,
    xs: 4
  }, createElement(Typography, {
    variant: 'caption',
    color: 'primary'
  }, "title")), createElement(Grid, {
    item: true,
    xs: 3
  }, createElement(Typography, {
    variant: 'caption',
    color: 'primary'
  }, "input placeholder")), createElement(Grid, {
    item: true,
    xs: 3
  }, createElement(Typography, {
    variant: 'caption',
    color: 'primary'
  }, "input value"), createElement(HelperTooltip, {
    text: 'When filled, user cannot edit this field, use for constants'
  })), createElement(Grid, {
    item: true,
    xs: 1
  })), createElement(Divider, null), fields.map(function (item, index) {
    return createElement(SortableWrapper, {
      id: item.id,
      index: index,
      swap: swap,
      dndIndicator: 'optionItemSortable',
      key: item.id
    }, createElement(Grid, {
      item: true,
      container: true,
      direction: 'row',
      alignItems: 'center',
      justify: 'center',
      spacing: 2,
      className: classes.container
    }, createElement("div", {
      className: classes.dragContainer
    }, createElement(DragIndicatorOutlined, {
      color: 'action'
    })), createElement(Grid, {
      item: true,
      xs: 4
    }, createElement(Input, {
      fullWidth: true,
      placeholder: "Name " + (index + 1),
      autoFocus: true,