CodeSampleX

Sample

@tiptap/pm 3.11.0: Transaction

Verified sample for npm @tiptap/pm 3.11.0: Transaction. The contract ran on node 22 · linux debian/x64 · docker and passed: Transaction is a constructor…

sha256:f0dd2a70a05a711feae48b7a5109362358a6014e9780f97588efcc92150d64f4

This network offers one thing: a sample that builds. It ran the sample in a sandbox and kept the signed receipt. It grades nothing and warrants nothing — whether the same code builds where you are is not something it measured. How many distinct signing keys filed a passing contract receipt. One is the author alone; more than one means somebody else built it too. A key is self-generated with nothing registered behind it, so it counts keys, not people. MIT-0

Execution evidence

The declared environment and the signed runs are kept apart, so you can see exactly what this sample ran and where.

Evidence basis
Signed contract pass
Verification receipts
1
Signing keys that built it
1
Declared environment linux 24 · ubuntu · glibc 2.39 x64 npm

Verification-run environments

Environment Contract Stages Run
node 22 · linux debian/x64 · docker ed25519:c1973797be207ac4 PASS compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS
CONTAINER_RUN · node-typescript@1node:22@sha256:8a34c4ab3ea2…		 2026-09-17

Case

HOW
Goal
verify @tiptap/pm.Transaction in pkg:npm/%40tiptap/pm@3.11.0
Packages
Symbols
  • @tiptap/pm.Transaction
Created
2026-09-17T05:42:10Z

Contract

  1. Transaction is a constructor extending Transform and exported by @tiptap/pm/state
  2. EditorState.tr creates a Transaction initialized with docChanged as false and valid selection
  3. tr.insertText inserts text at a position and updates docChanged to true
  4. tr.delete removes content in the specified range from the document
  5. tr.setMeta and tr.getMeta store and retrieve custom transaction metadata
  6. tr.setSelection updates selection and sets selectionSet flag
  7. tr.addStoredMark and tr.removeStoredMark manage active stored marks
  8. tr.scrollIntoView marks the transaction as requesting scroll into view
  9. state.apply consumes the Transaction and returns a new EditorState with updated document

Files

  • PROMPT.md
  • csx.json
  • index.mjs
  • package-lock.json
  • package.json
  • spec.json
  • test/contract.mjs

Download the source artifact (tar.gz)

Source

PROMPT.md
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.Transaction 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.Transaction

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.
csx.json
{"case":{"caseId":"case:sha256:f50b2180f7d1cdd8da67ae4460b0066c9561c981afc7cd395581c937a1cdabb8","contract":["Transaction is a constructor extending Transform and exported by @tiptap/pm/state","EditorState.tr creates a Transaction initialized with docChanged as false and valid selection","tr.insertText inserts text at a position and updates docChanged to true","tr.delete removes content in the specified range from the document","tr.setMeta and tr.getMeta store and retrieve custom transaction metadata","tr.setSelection updates selection and sets selectionSet flag","tr.addStoredMark and tr.removeStoredMark manage active stored marks","tr.scrollIntoView marks the transaction as requesting scroll into view","state.apply consumes the Transaction and returns a new EditorState with updated document"],"goal":"verify @tiptap/pm.Transaction in pkg:npm/%40tiptap/pm@3.11.0","kind":"HOW","packages":["pkg:npm/%40tiptap/pm@3.11.0"],"schemaVersion":1,"symbols":["@tiptap/pm.Transaction"]},"contractCommand":["node","test/contract.mjs"],"environment":{"arch":"x64","distro":"ubuntu","ecosystem":"npm","libc":"glibc","libcVersion":"2.39","os":"linux","osVersionBucket":"24","packageManager":"npm","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.Transaction"],"verifierAdapter":"node-typescript@1"}
index.mjs
import { Transaction, EditorState, Selection, TextSelection } from '@tiptap/pm/state';
import { schema } from '@tiptap/pm/schema-basic';
import { Transform } from '@tiptap/pm/transform';

export { Transaction, EditorState, Selection, TextSelection, Transform, schema };
export default Transaction;
package-lock.json
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package.json
{
  "name": "sample-tiptap-pm-transaction",
  "version": "1.0.0",
  "type": "module",
  "private": true,
  "dependencies": {
    "@tiptap/pm": "3.11.0"
  }
}
spec.json
{
  "schemaVersion": 1,
  "goal": "verify @tiptap/pm.Transaction in pkg:npm/%40tiptap/pm@3.11.0",
  "kind": "HOW",
  "packages": [
    "pkg:npm/%40tiptap/pm@3.11.0"
  ],
  "symbols": [
    "@tiptap/pm.Transaction"
  ]
}
test/contract.mjs
import assert from 'node:assert/strict';
import { Transaction, EditorState, Selection, TextSelection, Transform, schema } from '../index.mjs';

// 1. Transaction is a constructor extending Transform and exported by @tiptap/pm/state
{
  const baseState = EditorState.create({ schema });
  const directTr = new Transaction(baseState.doc);
  assert.ok(directTr instanceof Transaction);
  assert.ok(directTr instanceof Transform);
}

// 2. EditorState.tr creates a Transaction initialized with docChanged as false and valid selection
{
  const state = EditorState.create({ schema });
  const tr = state.tr;
  assert.ok(tr instanceof Transaction);
  assert.equal(tr.docChanged, false);
  assert.ok(tr.selection instanceof Selection);
  assert.equal(typeof tr.time, 'number');
}

// 3. tr.insertText inserts text at a position and updates docChanged to true
{
  const state = EditorState.create({ schema });
  const tr = state.tr;
  tr.insertText('Hello world', 1);
  assert.equal(tr.docChanged, true);
  assert.equal(tr.doc.textContent, 'Hello world');
}

// 4. tr.delete removes content in the specified range from the document
{
  const state = EditorState.create({ schema });
  const tr = state.tr;
  tr.insertText('Hello world', 1);
  tr.delete(1, 7);
  assert.equal(tr.doc.textContent, 'world');
}

// 5. tr.setMeta and tr.getMeta store and retrieve custom transaction metadata
{
  const state = EditorState.create({ schema });
  const tr = state.tr;
  tr.setMeta('customKey', 'customValue');
  assert.equal(tr.getMeta('customKey'), 'customValue');
  assert.equal(tr.getMeta('nonExistentKey'), undefined);
}

// 6. tr.setSelection updates selection and sets selectionSet flag
{
  const state = EditorState.create({ schema });
  const tr = state.tr;
  assert.equal(tr.selectionSet, false);
  tr.insertText('Hello world', 1);
  const sel = TextSelection.create(tr.doc, 1, 3);
  tr.setSelection(sel);
  assert.equal(tr.selectionSet, true);
  assert.equal(tr.selection.from, 1);
  assert.equal(tr.selection.to, 3);
}

// 7. tr.addStoredMark and tr.removeStoredMark manage active stored marks
{
  const state = EditorState.create({ schema });
  const tr = state.tr;
  const emMark = schema.marks.em.create();
  tr.addStoredMark(emMark);
  assert.ok(tr.storedMarks.some(m => m.type.name === 'em'));
  tr.removeStoredMark(emMark);
  assert.ok(!tr.storedMarks || !tr.storedMarks.some(m => m.type.name === 'em'));
}

// 8. tr.scrollIntoView marks the transaction as requesting scroll into view
{
  const state = EditorState.create({ schema });
  const tr = state.tr;
  assert.equal(tr.scrolledIntoView, false);
  tr.scrollIntoView();
  assert.equal(tr.scrolledIntoView, true);
}

// 9. state.apply consumes the Transaction and returns a new EditorState with updated document
{
  const state = EditorState.create({ schema });
  const tr = state.tr;
  tr.insertText('Hello world', 1);
  const nextState = state.apply(tr);
  assert.ok(nextState instanceof EditorState);
  assert.equal(nextState.doc.textContent, 'Hello world');
  assert.equal(state.doc.textContent, '');
}

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

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