@atlaskit/adf-schema/dist/es2019/steps/override-document-step.js

Shared package that contains the ADF-schema (json) and ProseMirror node/mark specs

import _defineProperty from "@babel/runtime/helpers/defineProperty";
import { Step, StepResult, StepMap } from '@atlaskit/editor-prosemirror/transform';
export const overrideDocumentStepType = 'override-document';
export class OverrideDocumentStep extends Step {
  constructor(opts) {
    super();
    _defineProperty(this, "inverted", false);
    _defineProperty(this, "oldDocumentSize", 0);
    const {
      inverted,
      nextDocument
    } = opts;
    if (nextDocument.type.name !== 'doc') {
      throw new Error('nextDocument should be the entire prosemirror doc node and not only its content.');
    }
    this.nextDocument = nextDocument;
    this.inverted = Boolean(inverted);
  }
  apply(doc) {
    this.oldDocumentSize = doc.content.size;
    return StepResult.ok(this.nextDocument);
  }
  map() {
    return new OverrideDocumentStep({
      nextDocument: this.nextDocument,
      inverted: this.inverted
    });
  }
  getMap() {
    if (!this.nextDocument || !this.oldDocumentSize) {
      return new StepMap([0, 0, 0]);
    }
    const oldSize = this.oldDocumentSize;
    const nextDocumentSize = this.nextDocument.content.size;
    return new StepMap([0, oldSize, nextDocumentSize]);
  }
  invert(doc) {
    return new OverrideDocumentStep({
      nextDocument: doc,
      inverted: true
    });
  }
  toJSON() {
    return {
      stepType: overrideDocumentStepType,
      inverted: this.inverted,
      nextDocument: this.nextDocument.toJSON()
    };
  }
  static fromJSON(schema, json) {
    if (!json || json.stepType !== overrideDocumentStepType) {
      throw new RangeError('Invalid overrideDocument step OverrideDocumentStep.fromJSON');
    }
    return new OverrideDocumentStep({
      inverted: json.inverted,
      nextDocument: schema.nodeFromJSON(json.nextDocument)
    });
  }
}
Step.jsonID(overrideDocumentStepType, OverrideDocumentStep);