CodeSampleX

Exemple

@tiptap/pm 3.11.0: Step

Échantillon vérifié pour npm @tiptap/pm 3.11.0: Step. Le contrat s'est exécuté sur node 22 · linux debian/x64 · docker et a réussi.

sha256:9cc343670b04982dee147fff0d715375b8eae6e4616849b3bab1af9bd70df0f7

Ce réseau offre une seule chose : un échantillon qui compile. Il l'a exécuté dans un bac à sable et conservé le reçu signé. Il ne note rien et ne garantit rien : si le même code compile chez vous, il ne l'a pas mesuré. Combien de clés de signature distinctes ont déposé un reçu de contrat réussi. Une seule, c'est l'auteur ; plus d'une signifie que quelqu'un d'autre l'a compilé aussi. Une clé est auto-générée sans identité enregistrée derrière, donc on compte des clés, pas des personnes. MIT-0

Preuves d'exécution

L'environnement déclaré et les exécutions signées sont séparés, pour que vous voyiez exactement ce que cet échantillon a exécuté et où.

Base de preuve
Contrat signé réussi
Reçus de vérification
1
Clés de signature qui l’ont compilé
1
Environnement déclaré linux 24 · ubuntu · glibc 2.39 x64 npm

Environnements des exécutions de vérification

Environnement Contrat Étapes Exécution
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

Cas

HOW
Objectif
verify @tiptap/pm.Step in pkg:npm/%40tiptap/pm@3.11.0
Paquets
Symboles
  • @tiptap/pm.Step
Créé
2026-09-17T03:14:43Z

Contrat

  1. Step is an abstract base class exported by @tiptap/pm/transform
  2. Transform produces Step instances during document modification
  3. step.apply applies document changes and returns a StepResult
  4. step.getMap returns a StepMap that maps positions before and after the step
  5. step.invert generates an inverse Step that reverts changes on the transformed document
  6. step.map remaps step boundaries through an external StepMap
  7. step.merge combines adjacent replacement steps into a single Step
  8. step.toJSON serializes the step and Step.fromJSON reconstructs it
  9. Step.jsonID registers custom Step subclasses for JSON serialization and deserialization

Fichiers

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

Télécharger l’artefact source (tar.gz)

Code 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.Step 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.Step

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:sha256:38ff2e04ea3ff237995245562aa860321a191c66c3e4362ea4218ba277198bf6","contract":["Step is an abstract base class exported by @tiptap/pm/transform","Transform produces Step instances during document modification","step.apply applies document changes and returns a StepResult","step.getMap returns a StepMap that maps positions before and after the step","step.invert generates an inverse Step that reverts changes on the transformed document","step.map remaps step boundaries through an external StepMap","step.merge combines adjacent replacement steps into a single Step","step.toJSON serializes the step and Step.fromJSON reconstructs it","Step.jsonID registers custom Step subclasses for JSON serialization and deserialization"],"goal":"verify @tiptap/pm.Step in pkg:npm/%40tiptap/pm@3.11.0","kind":"HOW","packages":["pkg:npm/%40tiptap/pm@3.11.0"],"schemaVersion":1,"symbols":["@tiptap/pm.Step"]},"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.Step"],"verifierAdapter":"node-typescript@1"}
index.mjs
import {
  Step,
  StepResult,
  ReplaceStep,
  ReplaceAroundStep,
  AddMarkStep,
  RemoveMarkStep,
  Transform,
  StepMap,
  Mapping,
} from '@tiptap/pm/transform';
import { schema } from '@tiptap/pm/schema-basic';
import { Node, Slice, Fragment } from '@tiptap/pm/model';

export {
  Step,
  StepResult,
  ReplaceStep,
  ReplaceAroundStep,
  AddMarkStep,
  RemoveMarkStep,
  Transform,
  StepMap,
  Mapping,
  schema,
  Node,
  Slice,
  Fragment,
};
export default Step;
package-lock.json
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      }
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}
package.json
{
  "name": "sample-tiptap-pm-step",
  "version": "1.0.0",
  "type": "module",
  "private": true,
  "dependencies": {
    "@tiptap/pm": "3.11.0"
  }
}
spec.json
{
  "schemaVersion": 1,
  "goal": "verify @tiptap/pm.Step in pkg:npm/%40tiptap/pm@3.11.0",
  "kind": "HOW",
  "packages": [
    "pkg:npm/%40tiptap/pm@3.11.0"
  ],
  "symbols": [
    "@tiptap/pm.Step"
  ]
}
test/contract.mjs
import assert from 'node:assert/strict';
import {
  Step,
  StepResult,
  ReplaceStep,
  AddMarkStep,
  RemoveMarkStep,
  Transform,
  StepMap,
  schema,
  Slice,
  Fragment,
} from '../index.mjs';

function createDoc(text = 'Hello world') {
  return schema.node('doc', null, [
    schema.node('paragraph', null, [schema.text(text)]),
  ]);
}

// 1. Step is an abstract base class exported by @tiptap/pm/transform
{
  assert.equal(typeof Step, 'function');
  assert.equal(typeof Step.fromJSON, 'function');
  assert.equal(typeof Step.jsonID, 'function');
  assert.ok(Object.prototype.isPrototypeOf.call(Step, ReplaceStep));
  assert.ok(Object.prototype.isPrototypeOf.call(Step, AddMarkStep));
  assert.ok(Object.prototype.isPrototypeOf.call(Step, RemoveMarkStep));
}

// 2. Transform produces Step instances during document modification
{
  const doc = createDoc('Hello world');
  const tr = new Transform(doc);
  tr.insert(6, schema.text(' beautiful'));
  assert.equal(tr.steps.length, 1);
  const step = tr.steps[0];
  assert.ok(step instanceof Step);
  assert.ok(step instanceof ReplaceStep);
}

// 3. step.apply applies document changes and returns a StepResult
{
  const doc = createDoc('Hello world');
  const slice = new Slice(Fragment.from(schema.text(' beautiful')), 0, 0);
  const step = new ReplaceStep(6, 6, slice);
  const result = step.apply(doc);
  assert.ok(result instanceof StepResult);
  assert.equal(result.failed, null);
  assert.ok(result.doc !== null);
  assert.equal(result.doc.textContent, 'Hello beautiful world');
}

// 4. step.getMap returns a StepMap that maps positions before and after the step
{
  const slice = new Slice(Fragment.from(schema.text(' beautiful')), 0, 0);
  const step = new ReplaceStep(6, 6, slice);
  const map = step.getMap();
  assert.ok(map instanceof StepMap);
  assert.equal(map.map(6), 16);
  assert.equal(map.map(1), 1);
}

// 5. step.invert generates an inverse Step that reverts changes on the transformed document
{
  const doc = createDoc('Hello world');
  const slice = new Slice(Fragment.from(schema.text(' beautiful')), 0, 0);
  const step = new ReplaceStep(6, 6, slice);
  const result = step.apply(doc);
  assert.equal(result.doc.textContent, 'Hello beautiful world');

  const inverted = step.invert(doc);
  assert.ok(inverted instanceof Step);
  const invertedResult = inverted.apply(result.doc);
  assert.equal(invertedResult.doc.textContent, 'Hello world');
}

// 6. step.map remaps step boundaries through an external StepMap
{
  const slice = new Slice(Fragment.from(schema.text('world')), 0, 0);
  const step = new ReplaceStep(5, 10, slice);
  const stepMap = new StepMap([0, 0, 10]);
  const mappedStep = step.map(stepMap);
  assert.ok(mappedStep instanceof Step);
  assert.equal(mappedStep.from, 15);
  assert.equal(mappedStep.to, 20);
}

// 7. step.merge combines adjacent replacement steps into a single Step
{
  const slice1 = new Slice(Fragment.from(schema.text('foo')), 0, 0);
  const step1 = new ReplaceStep(1, 1, slice1);
  const slice2 = new Slice(Fragment.from(schema.text('bar')), 0, 0);
  const step2 = new ReplaceStep(4, 4, slice2);
  const merged = step1.merge(step2);
  assert.ok(merged !== null);
  assert.ok(merged instanceof Step);
  assert.ok(merged instanceof ReplaceStep);
}

// 8. step.toJSON serializes the step and Step.fromJSON reconstructs it
{
  const slice = new Slice(Fragment.from(schema.text('test')), 0, 0);
  const step = new ReplaceStep(2, 4, slice);
  const json = step.toJSON();
  assert.equal(json.stepType, 'replace');
  assert.equal(json.from, 2);
  assert.equal(json.to, 4);

  const restored = Step.fromJSON(schema, json);
  assert.ok(restored instanceof Step);
  assert.ok(restored instanceof ReplaceStep);
  assert.equal(restored.from, 2);
  assert.equal(restored.to, 4);
}

// 9. Step.jsonID registers custom Step subclasses for JSON serialization and deserialization
{
  class CustomTestStep extends Step {
    constructor(val = 'test') {
      super();
      this.val = val;
    }
    apply(doc) {
      return StepResult.ok(doc);
    }
    getMap() {
      return StepMap.empty;
    }
    invert(doc) {
      return this;
    }
    map(mapping) {
      return this;
    }
    toJSON() {
      return { stepType: 'custom_test_step', val: this.val };
    }
    static fromJSON(schema, json) {
      return new CustomTestStep(json.val);
    }
  }

  Step.jsonID('custom_test_step', CustomTestStep);
  const custom = new CustomTestStep('hello-custom');
  const serialized = custom.toJSON();
  assert.equal(serialized.stepType, 'custom_test_step');
  assert.equal(serialized.val, 'hello-custom');

  const deserialized = Step.fromJSON(schema, serialized);
  assert.ok(deserialized instanceof CustomTestStep);
  assert.equal(deserialized.val, 'hello-custom');
}

console.log('All contracts passed.');

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