@atlaskit/editor-plugin-placeholder-text/dist/esm/pm-plugins/fake-text-cursor/cursor.js

placeholder text plugin for @atlaskit/editor-core

import _possibleConstructorReturn from "@babel/runtime/helpers/possibleConstructorReturn";
import _getPrototypeOf from "@babel/runtime/helpers/getPrototypeOf";
import _inherits from "@babel/runtime/helpers/inherits";
import _classCallCheck from "@babel/runtime/helpers/classCallCheck";
import _createClass from "@babel/runtime/helpers/createClass";
import _defineProperty from "@babel/runtime/helpers/defineProperty";
function _callSuper(t, o, e) { return o = _getPrototypeOf(o), _possibleConstructorReturn(t, _isNativeReflectConstruct() ? Reflect.construct(o, e || [], _getPrototypeOf(t).constructor) : o.apply(t, e)); }
function _isNativeReflectConstruct() { try { var t = !Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {})); } catch (t) {} return (_isNativeReflectConstruct = function _isNativeReflectConstruct() { return !!t; })(); }
import { Slice } from '@atlaskit/editor-prosemirror/model';
import { Selection, TextSelection } from '@atlaskit/editor-prosemirror/state';
import { Decoration, DecorationSet } from '@atlaskit/editor-prosemirror/view';
export var FakeTextCursorBookmark = /*#__PURE__*/function () {
  function FakeTextCursorBookmark(pos) {
    _classCallCheck(this, FakeTextCursorBookmark);
    _defineProperty(this, "pos", undefined);
    _defineProperty(this, "visible", false);
    this.pos = pos;
  }
  return _createClass(FakeTextCursorBookmark, [{
    key: "map",
    value: function map(mapping) {
      // Ignored via go/ees005
      // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
      return new FakeTextCursorBookmark(mapping.map(this.pos));
    }
  }, {
    key: "resolve",
    value: function resolve(doc) {
      // Ignored via go/ees005
      // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
      var $pos = doc.resolve(this.pos);
      return Selection.near($pos);
    }
  }]);
}();
export var FakeTextCursorSelection = /*#__PURE__*/function (_Selection) {
  function FakeTextCursorSelection($pos) {
    _classCallCheck(this, FakeTextCursorSelection);
    return _callSuper(this, FakeTextCursorSelection, [$pos, $pos]);
  }
  _inherits(FakeTextCursorSelection, _Selection);
  return _createClass(FakeTextCursorSelection, [{
    key: "map",
    value: function map(doc, mapping) {
      var $pos = doc.resolve(mapping.map(this.$head.pos));
      return new FakeTextCursorSelection($pos);
    }
  }, {
    key: "eq",
    value: function eq(other) {
      return other instanceof FakeTextCursorSelection && other.head === this.head;
    }
  }, {
    key: "toJSON",
    value: function toJSON() {
      return {
        type: 'Cursor',
        pos: this.head
      };
    }
  }, {
    key: "getBookmark",
    value: function getBookmark() {
      return new FakeTextCursorBookmark(this.anchor);
    }
  }], [{
    key: "content",
    value: function content() {
      return Slice.empty;
    }
  }, {
    key: "fromJSON",
    value: function fromJSON(doc, json) {
      return new FakeTextCursorSelection(doc.resolve(json.pos));
    }
  }]);
}(Selection);
Selection.jsonID('fake-text-cursor', FakeTextCursorSelection);
export var addFakeTextCursor = function addFakeTextCursor(state, dispatch) {
  var selection = state.selection;
  if (selection.empty) {
    var $from = state.selection.$from;
    dispatch(state.tr.setSelection(new FakeTextCursorSelection($from)));
  }
};
export var removeFakeTextCursor = function removeFakeTextCursor(state, dispatch) {
  if (state.selection instanceof FakeTextCursorSelection) {
    var $from = state.selection.$from;
    dispatch(state.tr.setSelection(new TextSelection($from)));
  }
};
export var drawFakeTextCursor = function drawFakeTextCursor(state) {
  if (!(state.selection instanceof FakeTextCursorSelection)) {
    return null;
  }
  var node = document.createElement('div');
  node.className = 'ProseMirror-fake-text-cursor';
  return DecorationSet.create(state.doc, [Decoration.widget(state.selection.head, node, {
    key: 'Cursor'
  })]);
};