@atlaskit/adf-schema/dist/esm/steps/link-meta-step.js

import _objectWithoutProperties from "@babel/runtime/helpers/objectWithoutProperties";
import _classCallCheck from "@babel/runtime/helpers/classCallCheck";
import _createClass from "@babel/runtime/helpers/createClass";
import _inherits from "@babel/runtime/helpers/inherits";
import _possibleConstructorReturn from "@babel/runtime/helpers/possibleConstructorReturn";
import _getPrototypeOf from "@babel/runtime/helpers/getPrototypeOf";
var _excluded = ["sourceEvent"];
function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }
function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {})); return true; } catch (e) { return false; } }
import { Slice } from 'prosemirror-model';
import { ReplaceStep, Step, StepMap, StepResult } from 'prosemirror-transform';
export var stepType = 'editor-linking-meta';
export var invertStepType = 'editor-linking-meta-invert';
/**
 * Custom Prosemirror Step to attach metadata about user interactions with links
 * Using a Step means that it will work with prosemirror-history and we get utilise when
 * firing events on history change
 */
export var LinkMetaStep = /*#__PURE__*/function (_Step) {
  _inherits(LinkMetaStep, _Step);
  var _super = _createSuper(LinkMetaStep);
  function LinkMetaStep(pos, metadata) {
    var _this;
    var isInverted = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
    _classCallCheck(this, LinkMetaStep);
    _this = _super.call(this);
    _this.pos = pos;
    _this.metadata = metadata;
    _this.isInverted = isInverted;
    return _this;
  }
  _createClass(LinkMetaStep, [{
    key: "getMetadata",
    value: function getMetadata() {
      return this.metadata;
    }

    /**
     * Generate new undo/redo analytics event when step is inverted
     */
  }, {
    key: "invert",
    value: function invert() {
      /**
       * Omit sourceEvent in history
       */
      var _this$metadata = this.metadata,
        sourceEvent = _this$metadata.sourceEvent,
        metadata = _objectWithoutProperties(_this$metadata, _excluded);
      return new LinkMetaStep(this.pos, metadata, true);
    }

    // Should make no modifications to the doc
  }, {
    key: "apply",
    value: function apply(doc) {
      return StepResult.ok(doc);
    }
  }, {
    key: "map",
    value: function map(mapping) {
      var newPos = this.pos;
      if (typeof newPos === 'number') {
        newPos = mapping.map(newPos);
      }
      // Return the same events, this step will never be removed
      return new LinkMetaStep(newPos, this.metadata, this.isInverted);
    }
  }, {
    key: "getMap",
    value: function getMap() {
      return new StepMap([this.pos || 0, 0, 0]);
    }

    // Return null to avoid merging events
  }, {
    key: "merge",
    value: function merge() {
      return null;
    }
  }, {
    key: "toJSON",
    value: function toJSON() {
      // When serialized we should create a noop Replace step
      return {
        stepType: 'replace',
        from: 0,
        to: 0
      };
    }
  }], [{
    key: "fromJSON",
    value: function fromJSON(_, __) {
      // This is a "local custom step" once serialized
      // we need to transform it in a no-operation action
      return new ReplaceStep(0, 0, Slice.empty);
    }
  }]);
  return LinkMetaStep;
}(Step);

/** Register this step with Prosemirror */
Step.jsonID(stepType, LinkMetaStep);