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prosemirror-changeset

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prosemirror-changeset

Distills a series of editing steps into deleted and added ranges


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What is prosemirror-changeset?

The prosemirror-changeset package is a utility for managing and representing changes in ProseMirror documents. It helps in tracking changes, creating change sets, and applying them to documents. This is particularly useful for collaborative editing, version control, and undo/redo functionality.

What are prosemirror-changeset's main functionalities?

Creating a ChangeSet

This feature allows you to create a ChangeSet from a ProseMirror document. The ChangeSet can then be used to track changes over time.

const { ChangeSet } = require('prosemirror-changeset');
const { Schema, DOMParser } = require('prosemirror-model');
const { schema } = require('prosemirror-schema-basic');

const doc = DOMParser.fromSchema(schema).parse(document.querySelector('#content'));
const changeSet = ChangeSet.create(doc);
console.log(changeSet);

Applying Changes

This feature demonstrates how to apply changes to a ChangeSet. It shows how to simulate a change in the document and update the ChangeSet accordingly.

const { ChangeSet } = require('prosemirror-changeset');
const { Schema, DOMParser } = require('prosemirror-model');
const { schema } = require('prosemirror-schema-basic');

const doc = DOMParser.fromSchema(schema).parse(document.querySelector('#content'));
let changeSet = ChangeSet.create(doc);

// Simulate a change
const tr = doc.tr.insertText('Hello', 1);
changeSet = changeSet.addSteps(doc, tr.doc, tr.mapping.maps);
console.log(changeSet);

Reverting Changes

This feature shows how to revert changes using a ChangeSet. It demonstrates how to undo changes and revert the document to its previous state.

const { ChangeSet } = require('prosemirror-changeset');
const { Schema, DOMParser } = require('prosemirror-model');
const { schema } = require('prosemirror-schema-basic');

const doc = DOMParser.fromSchema(schema).parse(document.querySelector('#content'));
let changeSet = ChangeSet.create(doc);

// Simulate a change
const tr = doc.tr.insertText('Hello', 1);
changeSet = changeSet.addSteps(doc, tr.doc, tr.mapping.maps);

// Revert the change
const revertedDoc = changeSet.revert(doc);
console.log(revertedDoc);

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Package last updated on 17 May 2023

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