ProseMirror EditorState

basic_code.js

'use strict';
const {EditorState} = require('prosemirror-state');
const {Schema, Node} = require('prosemirror-model');

const schema = new Schema({
  nodes: {
    doc: {
      content: 'block+',
    },

    paragraph: {
      content: 'inline*',
      group: 'block',
      marks: 'strong',
    },

    text: {
      group: 'inline',
    },
  },

  marks: {
    strong: {},
  },
});

const obj = {
  type: 'doc',
  content: [
    {
      type: 'paragraph',
      marks: [],
      content: [
        {
          type: 'text',
          text: 'Hello',
          marks: [{type: 'strong'}],
        },
        {
          type: 'text',
          text: 'World',
        },
      ],
    },
  ],
};

const state = EditorState.create({
  schema,
  doc: Node.fromJSON(schema, obj),
});

state.doc.check();

// Start here