CodeSampleX

Exemplo

@tiptap/pm 3.11.0: closeHistory

Amostra verificada para npm @tiptap/pm 3.11.0: closeHistory. O contrato rodou em node 22 · linux debian/x64 · docker e passou.

sha256:e891c5be5f9cc4058d624f5750ddeb4ec8d5eedb9357d9eef75cbd49c72d84c4

Esta rede oferece uma coisa: uma amostra que compila. Ela a executou em um sandbox e guardou o recibo assinado. Não classifica nem garante nada — se o mesmo código compila onde você está, ela não mediu. Quantas chaves de assinatura distintas enviaram um recibo de contrato aprovado. Uma é só o autor; mais de uma significa que outra pessoa também o compilou. Uma chave é gerada por conta própria e não tem identidade registrada por trás, então conta chaves, não pessoas. MIT-0

Evidência de execução

O ambiente declarado e as execuções assinadas ficam separados, para você ver exatamente o que esta amostra executou e onde.

Base da evidência
Contrato assinado aprovado
Recibos de verificação
1
Chaves de assinatura que o compilaram
1
Ambiente declarado node 22.23 linux 24 · ubuntu · glibc 2.39 x64 node 22.23 javascript npm 10

Ambientes das execuções de verificação

Ambiente Contrato Etapas Execução
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…		 2026-09-15

Caso

HOW
Objetivo
verify @tiptap/pm.closeHistory in pkg:npm/%40tiptap/pm@3.11.0
Pacotes
Símbolos
  • @tiptap/pm.closeHistory
Ambiente
node 22.23.2
Criado
2026-09-15T03:38:53Z

Contrato

  1. closeHistory is a function exported by @tiptap/pm/history
  2. closeHistory accepts a Transaction and returns the same transaction instance
  3. consecutive edits within newGroupDelay merge into a single history event by default
  4. applying closeHistory on a transaction closes the active history group so subsequent edits create a new event
  5. closeHistory attached directly to an edit transaction starts a new history group
  6. undo reverts only the edits made after closeHistory leaving earlier edits in the previous history event
  7. subsequent undo operations revert earlier history events after the closed event is undone
  8. redo re-applies history events in sequence respecting boundaries set by closeHistory
  9. applying closeHistory without document modifications leaves document content and selection unchanged
  10. calling closeHistory on initial editor state with empty history does not cause errors or increase undoDepth

Arquivos

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

Baixar o artefato de código-fonte (tar.gz)

Código-fonte

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.closeHistory 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.closeHistory

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:c2369d13f9342fed6c7bd580a52c16291f66bf9357ec91562423f0242240381c","contract":["closeHistory is a function exported by @tiptap/pm/history","closeHistory accepts a Transaction and returns the same transaction instance","consecutive edits within newGroupDelay merge into a single history event by default","applying closeHistory on a transaction closes the active history group so subsequent edits create a new event","closeHistory attached directly to an edit transaction starts a new history group","undo reverts only the edits made after closeHistory leaving earlier edits in the previous history event","subsequent undo operations revert earlier history events after the closed event is undone","redo re-applies history events in sequence respecting boundaries set by closeHistory","applying closeHistory without document modifications leaves document content and selection unchanged","calling closeHistory on initial editor state with empty history does not cause errors or increase undoDepth"],"goal":"verify @tiptap/pm.closeHistory in pkg:npm/%40tiptap/pm@3.11.0","kind":"HOW","packages":["pkg:npm/%40tiptap/pm@3.11.0"],"schemaVersion":1,"symbols":["@tiptap/pm.closeHistory"]},"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.closeHistory"],"verifierAdapter":"node-typescript@1"}
index.mjs
import {
  closeHistory,
  history,
  undo,
  redo,
  undoDepth,
  redoDepth
} from '@tiptap/pm/history';
import { EditorState } from '@tiptap/pm/state';
import { schema } from '@tiptap/pm/schema-basic';

export {
  closeHistory,
  history,
  undo,
  redo,
  undoDepth,
  redoDepth,
  EditorState,
  schema
};

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

// 1. closeHistory is a function exported by @tiptap/pm/history
{
  assert.equal(typeof closeHistory, 'function', 'closeHistory must be a function');
}

// 2. closeHistory accepts a Transaction and returns the same transaction instance
{
  const state = EditorState.create({ schema, plugins: [history()] });
  const tr = state.tr;
  const returnedTr = closeHistory(tr);
  assert.equal(returnedTr, tr, 'closeHistory must return the same transaction instance');
}

// 3. consecutive edits within newGroupDelay merge into a single history event by default
{
  let state = EditorState.create({ schema, plugins: [history()] });
  state = state.apply(state.tr.insertText('First'));
  state = state.apply(state.tr.insertText(' Second'));
  assert.equal(state.doc.textContent, 'First Second');
  assert.equal(undoDepth(state), 1, 'consecutive edits should merge into 1 event');
  assert.equal(redoDepth(state), 0);
}

// 4. applying closeHistory on a transaction closes the active history group so subsequent edits create a new event
{
  let state = EditorState.create({ schema, plugins: [history()] });
  state = state.apply(state.tr.insertText('First'));
  assert.equal(undoDepth(state), 1);
  state = state.apply(closeHistory(state.tr));
  state = state.apply(state.tr.insertText(' Second'));
  assert.equal(state.doc.textContent, 'First Second');
  assert.equal(undoDepth(state), 2, 'subsequent edit after closeHistory must create a new event');
}

// 5. closeHistory attached directly to an edit transaction starts a new history group
{
  let state = EditorState.create({ schema, plugins: [history()] });
  state = state.apply(state.tr.insertText('First'));
  assert.equal(undoDepth(state), 1);
  state = state.apply(closeHistory(state.tr.insertText(' Second')));
  assert.equal(state.doc.textContent, 'First Second');
  assert.equal(undoDepth(state), 2, 'edit with closeHistory must start a new event');
}

// 6. undo reverts only the edits made after closeHistory leaving earlier edits in the previous history event
{
  let state = EditorState.create({ schema, plugins: [history()] });
  state = state.apply(state.tr.insertText('First'));
  state = state.apply(closeHistory(state.tr));
  state = state.apply(state.tr.insertText(' Second'));

  let undoSuccess = undo(state, (tr) => { state = state.apply(tr); });
  assert.equal(undoSuccess, true);
  assert.equal(state.doc.textContent, 'First', 'first undo should only revert Second');
  assert.equal(undoDepth(state), 1);
  assert.equal(redoDepth(state), 1);
}

// 7. subsequent undo operations revert earlier history events after the closed event is undone
{
  let state = EditorState.create({ schema, plugins: [history()] });
  state = state.apply(state.tr.insertText('First'));
  state = state.apply(closeHistory(state.tr));
  state = state.apply(state.tr.insertText(' Second'));

  undo(state, (tr) => { state = state.apply(tr); });
  assert.equal(state.doc.textContent, 'First');

  let secondUndo = undo(state, (tr) => { state = state.apply(tr); });
  assert.equal(secondUndo, true);
  assert.equal(state.doc.textContent, '', 'second undo should revert First');
  assert.equal(undoDepth(state), 0);
  assert.equal(redoDepth(state), 2);
}

// 8. redo re-applies history events in sequence respecting boundaries set by closeHistory
{
  let state = EditorState.create({ schema, plugins: [history()] });
  state = state.apply(state.tr.insertText('First'));
  state = state.apply(closeHistory(state.tr));
  state = state.apply(state.tr.insertText(' Second'));

  undo(state, (tr) => { state = state.apply(tr); });
  undo(state, (tr) => { state = state.apply(tr); });
  assert.equal(state.doc.textContent, '');

  let firstRedo = redo(state, (tr) => { state = state.apply(tr); });
  assert.equal(firstRedo, true);
  assert.equal(state.doc.textContent, 'First', 'first redo should restore First');
  assert.equal(undoDepth(state), 1);
  assert.equal(redoDepth(state), 1);

  let secondRedo = redo(state, (tr) => { state = state.apply(tr); });
  assert.equal(secondRedo, true);
  assert.equal(state.doc.textContent, 'First Second', 'second redo should restore Second');
  assert.equal(undoDepth(state), 2);
  assert.equal(redoDepth(state), 0);
}

// 9. applying closeHistory without document modifications leaves document content and selection unchanged
{
  let state = EditorState.create({ schema, plugins: [history()] });
  state = state.apply(state.tr.insertText('Unchanged text'));
  const prevDoc = state.doc;
  const prevSel = state.selection;
  state = state.apply(closeHistory(state.tr));
  assert.equal(state.doc, prevDoc, 'document must not change');
  assert.equal(state.selection.from, prevSel.from);
  assert.equal(state.selection.to, prevSel.to);
}

// 10. calling closeHistory on initial editor state with empty history does not cause errors or increase undoDepth
{
  let state = EditorState.create({ schema, plugins: [history()] });
  assert.equal(undoDepth(state), 0);
  state = state.apply(closeHistory(state.tr));
  assert.equal(undoDepth(state), 0, 'undoDepth must remain 0');
  assert.equal(redoDepth(state), 0, 'redoDepth must remain 0');
  assert.equal(undo(state), false, 'undo must return false on empty history');
}

console.log('All @tiptap/pm.closeHistory contract tests passed successfully.');

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