function _typeof(o) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (o) { return typeof o; } : function (o) { return o && "function" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? "symbol" : typeof o; }, _typeof(o); }
function _classCallCheck(a, n) { if (!(a instanceof n)) throw new TypeError("Cannot call a class as a function"); }
function _defineProperties(e, r) { for (var t = 0; t < r.length; t++) { var o = r[t]; o.enumerable = o.enumerable || !1, o.configurable = !0, "value" in o && (o.writable = !0), Object.defineProperty(e, _toPropertyKey(o.key), o); } }
function _createClass(e, r, t) { return r && _defineProperties(e.prototype, r), t && _defineProperties(e, t), Object.defineProperty(e, "prototype", { writable: !1 }), e; }
function _callSuper(t, o, e) { return o = _getPrototypeOf(o), _possibleConstructorReturn(t, _isNativeReflectConstruct() ? Reflect.construct(o, e || [], _getPrototypeOf(t).constructor) : o.apply(t, e)); }
function _possibleConstructorReturn(t, e) { if (e && ("object" == _typeof(e) || "function" == typeof e)) return e; if (void 0 !== e) throw new TypeError("Derived constructors may only return object or undefined"); return _assertThisInitialized(t); }
function _assertThisInitialized(e) { if (void 0 === e) throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); return e; }
function _isNativeReflectConstruct() { try { var t = !Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {})); } catch (t) {} return (_isNativeReflectConstruct = function _isNativeReflectConstruct() { return !!t; })(); }
function _getPrototypeOf(t) { return _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf.bind() : function (t) { return t.__proto__ || Object.getPrototypeOf(t); }, _getPrototypeOf(t); }
function _inherits(t, e) { if ("function" != typeof e && null !== e) throw new TypeError("Super expression must either be null or a function"); t.prototype = Object.create(e && e.prototype, { constructor: { value: t, writable: !0, configurable: !0 } }), Object.defineProperty(t, "prototype", { writable: !1 }), e && _setPrototypeOf(t, e); }
function _setPrototypeOf(t, e) { return _setPrototypeOf = Object.setPrototypeOf ? Object.setPrototypeOf.bind() : function (t, e) { return t.__proto__ = e, t; }, _setPrototypeOf(t, e); }
function _defineProperty(e, r, t) { return (r = _toPropertyKey(r)) in e ? Object.defineProperty(e, r, { value: t, enumerable: !0, configurable: !0, writable: !0 }) : e[r] = t, e; }
function _toPropertyKey(t) { var i = _toPrimitive(t, "string"); return "symbol" == _typeof(i) ? i : i + ""; }
function _toPrimitive(t, r) { if ("object" != _typeof(t) || !t) return t; var e = t[Symbol.toPrimitive]; if (void 0 !== e) { var i = e.call(t, r || "default"); if ("object" != _typeof(i)) return i; throw new TypeError("@@toPrimitive must return a primitive value."); } return ("string" === r ? String : Number)(t); }
import { Fragment, Schema } from 'prosemirror-model';
import { EditorState, TextSelection } from 'prosemirror-state';
import { Transform } from 'prosemirror-transform';
import { findParentNodeOfType } from 'prosemirror-utils';
import { EditorView } from 'prosemirror-view';
import * as React from 'react';
import { HARD_BREAK, LIST_ITEM } from './NodeNames.js';
import { UICommand } from '@modusoperandi/licit-doc-attrs-step';

// This handles the case when user press SHIFT + ENTER key to insert a new line
// into list item.
function insertNewLine(tr, schema) {
  var _tr = tr,
    selection = _tr.selection;
  if (!selection) {
    return tr;
  }
  var from = selection.from,
    empty = selection.empty;
  if (!empty) {
    return tr;
  }
  var br = schema.nodes[HARD_BREAK];
  if (!br) {
    return tr;
  }
  var blockquote = schema.nodes[LIST_ITEM];
  var result = findParentNodeOfType(blockquote)(selection);
  if (!result) {
    return tr;
  }
  tr = tr.insert(from, Fragment.from(br.create()));
  tr = tr.setSelection(TextSelection.create(tr.doc, from + 1, from + 1));
  return tr;
}
var ListItemInsertNewLineCommand = /*#__PURE__*/function (_UICommand) {
  function ListItemInsertNewLineCommand() {
    var _this;
    _classCallCheck(this, ListItemInsertNewLineCommand);
    for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
      args[_key] = arguments[_key];
    }
    _this = _callSuper(this, ListItemInsertNewLineCommand, [].concat(args));
    _defineProperty(_this, "execute", function (state, dispatch, view) {
      var schema = state.schema,
        selection = state.selection;
      var tr = insertNewLine(state.tr.setSelection(selection), schema);
      if (tr.docChanged) {
        dispatch && dispatch(tr);
        return true;
      } else {
        return false;
      }
    });
    _defineProperty(_this, "waitForUserInput", function (_state, _dispatch, _view, _event) {
      return Promise.resolve(undefined);
    });
    _defineProperty(_this, "executeWithUserInput", function (_state, _dispatch, _view, _inputs) {
      return false;
    });
    return _this;
  }
  _inherits(ListItemInsertNewLineCommand, _UICommand);
  return _createClass(ListItemInsertNewLineCommand, [{
    key: "cancel",
    value: function cancel() {
      return null;
    }
  }]);
}(UICommand);
export default ListItemInsertNewLineCommand;