@tiptap/pm 3.11.0: EditorState

Clean-room public code sample — generation instructions

Write a brand-new, minimal, self-contained code sample in this clean-room directory.
Do not copy, paraphrase, or reference any existing project source. Work only from this spec.

A csx.json manifest scaffold already exists. Do not recreate it from memory. Preserve its case.goal, packages and symbols; fill its empty case.contract with exact assertions and correct its environment, commands and verifierAdapter for the files you generate.

Goal: verify @tiptap/pm.EditorState in pkg:npm/%40tiptap/pm@3.11.0
Kind: HOW

Use EXACTLY these public packages and versions:
  - pkg:npm/%40tiptap/pm@3.11.0
Demonstrate these symbols/APIs:
  - @tiptap/pm.EditorState

Rules:
  - One focused purpose; the smallest project that proves the goal.
  - Include a contract test (test/contract.*) that runs OFFLINE and exits 0 exactly when the goal behavior works.
  - Pin every dependency with a lockfile so resolution is reproducible.
  - No secrets, credentials, or tokens. No real URLs (only example.com or localhost). No absolute paths.
  - No personal names, emails, company names, or project identifiers of any kind.
  - No binaries and no generated output (node_modules, dist, target, venv, .git, .env).
  - Keep it under 200 files and 256KB packed.

{"case":{"caseId":"case:sha256:c9e707089b60d2d4a2288ca7bc41a9146fd0f66bd210a8f143440db899b6d93c","contract":["EditorState.create creates an EditorState instance with schema, doc, and default selection","EditorState.tr initializes a Transaction and apply returns an updated immutable EditorState","EditorState.create throws TypeError when required schema configuration is missing","EditorState.toJSON and EditorState.fromJSON serialize and restore document structure and selection","EditorState manages plugins and allows querying plugin state via PluginKey","EditorState.reconfigure updates active plugins while preserving document and schema","EditorState selection updates accurately track cursor position and range selections"],"goal":"verify @tiptap/pm.EditorState in pkg:npm/%40tiptap/pm@3.11.0","kind":"HOW","packages":["pkg:npm/%40tiptap/pm@3.11.0"],"schemaVersion":1,"symbols":["@tiptap/pm.EditorState"]},"contractCommand":["node","test/contract.mjs"],"environment":{"arch":"x64","distro":"ubuntu","ecosystem":"npm","executionContext":"node","language":"javascript","libc":"glibc","libcVersion":"2.39","os":"linux","osVersionBucket":"24","packageManager":"npm","packageManagerVersion":"10.9.8","runtime":"node","runtimeVersion":"22.23.2","schemaVersion":1},"license":"MIT-0","packages":["pkg:npm/%40tiptap/pm@3.11.0"],"schemaVersion":1,"subject":"pkg:npm/%40tiptap/pm@3.11.0","symbols":["@tiptap/pm.EditorState"],"verifierAdapter":"node-typescript@1"}

import { EditorState, Plugin, PluginKey, Selection, TextSelection, NodeSelection, Transaction } from '@tiptap/pm/state';
import { schema } from '@tiptap/pm/schema-basic';

export { EditorState, Plugin, PluginKey, Selection, TextSelection, NodeSelection, Transaction, schema };
export default EditorState;

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      "integrity": "sha512-ARDJmphmdvUk6Glw7y9DQ2bFkKBHwQHLi2lsaH6PPmz/Ka9sFOBsBluozhDltWmnv9u/cF6Rt87znRTPV+yp/A==",
      "license": "MIT"
    },
    "node_modules/w3c-keyname": {
      "version": "2.2.8",
      "resolved": "https://registry.npmjs.org/w3c-keyname/-/w3c-keyname-2.2.8.tgz",
      "integrity": "sha512-dpojBhNsCNN7T82Tm7k26A6G9ML3NkhDsnw9n/eoxSRlVBB4CEtIQ/KTCLI2Fwf3ataSXRhYFkQi3SlnFwPvPQ==",
      "license": "MIT"
    }
  }
}

{
  "name": "sample-tiptap-pm-editorstate",
  "version": "1.0.0",
  "type": "module",
  "private": true,
  "dependencies": {
    "@tiptap/pm": "3.11.0"
  }
}

{
  "schemaVersion": 1,
  "goal": "verify @tiptap/pm.EditorState in pkg:npm/%40tiptap/pm@3.11.0",
  "kind": "HOW",
  "packages": [
    "pkg:npm/%40tiptap/pm@3.11.0"
  ],
  "symbols": [
    "@tiptap/pm.EditorState"
  ]
}

import assert from 'node:assert/strict';
import { EditorState, Plugin, PluginKey, Selection, TextSelection, NodeSelection, Transaction, schema } from '../index.mjs';

// 1. EditorState.create creates an EditorState instance with schema, doc, and default selection
{
  const state = EditorState.create({ schema });
  assert.ok(state instanceof EditorState);
  assert.equal(state.schema, schema);
  assert.ok(state.doc);
  assert.equal(state.doc.type.name, 'doc');
  assert.ok(state.selection instanceof Selection);
  assert.equal(state.selection.from, 1);
  assert.equal(state.selection.to, 1);
}

// 2. EditorState.tr initializes a Transaction and apply returns an updated immutable EditorState
{
  const state = EditorState.create({ schema });
  const tr = state.tr;
  assert.ok(tr instanceof Transaction);
  assert.equal(tr.docChanged, false);

  tr.insertText('Hello ProseMirror');
  assert.equal(tr.docChanged, true);

  const nextState = state.apply(tr);
  assert.ok(nextState instanceof EditorState);
  assert.notEqual(nextState, state);
  assert.equal(nextState.doc.textContent, 'Hello ProseMirror');
  assert.equal(state.doc.textContent, ''); // original state immutable
}

// 3. EditorState.create throws TypeError when required schema configuration is missing
{
  assert.throws(
    () => EditorState.create({}),
    { name: 'TypeError' }
  );
}

// 4. EditorState.toJSON and EditorState.fromJSON serialize and restore document structure and selection
{
  const state = EditorState.create({ schema });
  const tr = state.tr.insertText('Sample state content');
  const updated = state.apply(tr);

  const json = updated.toJSON();
  assert.ok(json.doc);
  assert.ok(json.selection);

  const restored = EditorState.fromJSON({ schema }, json);
  assert.ok(restored instanceof EditorState);
  assert.ok(restored.doc.eq(updated.doc));
  assert.ok(restored.selection.eq(updated.selection));
  assert.equal(restored.doc.textContent, 'Sample state content');
}

// 5. EditorState manages plugins and allows querying plugin state via PluginKey
{
  const key = new PluginKey('changeTracker');
  const plugin = new Plugin({
    key,
    state: {
      init() { return 0; },
      apply(tr, prev) { return tr.docChanged ? prev + 1 : prev; }
    }
  });

  const state = EditorState.create({ schema, plugins: [plugin] });
  assert.equal(key.getState(state), 0);

  const tr = state.tr.insertText('Change 1');
  const state2 = state.apply(tr);
  assert.equal(key.getState(state2), 1);

  const tr2 = state2.tr.insertText(' Change 2');
  const state3 = state2.apply(tr2);
  assert.equal(key.getState(state3), 2);
}

// 6. EditorState.reconfigure updates active plugins while preserving document and schema
{
  const key = new PluginKey('temporaryPlugin');
  const plugin = new Plugin({
    key,
    state: {
      init() { return 'active'; },
      apply() { return 'active'; }
    }
  });

  const state = EditorState.create({ schema, plugins: [plugin] });
  assert.equal(state.plugins.length, 1);
  assert.equal(key.getState(state), 'active');

  const reconfigured = state.reconfigure({ plugins: [] });
  assert.equal(reconfigured.plugins.length, 0);
  assert.equal(key.getState(reconfigured), undefined);
  assert.ok(reconfigured.doc.eq(state.doc));
  assert.equal(reconfigured.schema, state.schema);
}

// 7. EditorState selection updates accurately track cursor position and range selections
{
  const state = EditorState.create({ schema });
  const tr = state.tr.insertText('TipTap editor state test');
  const stateWithText = state.apply(tr);

  // Set text selection range from pos 1 to 7 ('TipTap')
  const selectionTr = stateWithText.tr.setSelection(
    TextSelection.create(stateWithText.doc, 1, 7)
  );
  const selectedState = stateWithText.apply(selectionTr);
  assert.equal(selectedState.selection.from, 1);
  assert.equal(selectedState.selection.to, 7);
  assert.equal(selectedState.selection.empty, false);
}

console.log('All contract assertions passed.');