CodeSampleX

Exemple

@tiptap/pm 3.11.0: Selection

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

sha256:6b82804cb082d1745387920718dd73f14c05bfdff5ac1edec9d586ede4ead387

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 node 22.23 linux 24 · ubuntu · glibc 2.39 x64 node 22.23 javascript npm 10

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.Selection in pkg:npm/%40tiptap/pm@3.11.0
Paquets
Symboles
  • @tiptap/pm.Selection
Environnement
node 22.23.2
Créé
2026-09-17T02:42:47Z

Contrat

  1. Selection subclasses TextSelection, NodeSelection, and AllSelection inherit from Selection
  2. Selection.atStart and Selection.atEnd create valid empty selections at document boundaries
  3. Selection.findFrom and Selection.near locate valid text selections around given resolved positions
  4. TextSelection tracks forward and backward ranges with anchor, head, from, to, and empty properties
  5. Selection.fromJSON and toJSON serialize and restore text and all-document selections
  6. Selection.content extracts a document slice corresponding to the selected range
  7. Selection.jsonID registers custom selection classes for polymorphic JSON 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.Selection 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.Selection

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:sha256:8b134f2aa4cc140c18f55748a404192c3805a867339742cd95bc04889f1d2c50","contract":["Selection subclasses TextSelection, NodeSelection, and AllSelection inherit from Selection","Selection.atStart and Selection.atEnd create valid empty selections at document boundaries","Selection.findFrom and Selection.near locate valid text selections around given resolved positions","TextSelection tracks forward and backward ranges with anchor, head, from, to, and empty properties","Selection.fromJSON and toJSON serialize and restore text and all-document selections","Selection.content extracts a document slice corresponding to the selected range","Selection.jsonID registers custom selection classes for polymorphic JSON deserialization"],"goal":"verify @tiptap/pm.Selection in pkg:npm/%40tiptap/pm@3.11.0","kind":"HOW","packages":["pkg:npm/%40tiptap/pm@3.11.0"],"schemaVersion":1,"symbols":["@tiptap/pm.Selection"]},"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.Selection"],"verifierAdapter":"node-typescript@1"}
index.mjs
import { Selection, TextSelection, NodeSelection, AllSelection, SelectionRange } from '@tiptap/pm/state';
import { schema } from '@tiptap/pm/schema-basic';

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

// Setup sample document fixture: <p>Hello world</p><p>Second paragraph</p>
const doc = schema.node('doc', null, [
  schema.node('paragraph', null, [schema.text('Hello world')]),
  schema.node('paragraph', null, [schema.text('Second paragraph')])
]);

// 1. Selection subclasses TextSelection, NodeSelection, and AllSelection inherit from Selection
{
  assert.equal(typeof Selection, 'function', 'Selection must be exported as a class');
  assert.ok(TextSelection.prototype instanceof Selection, 'TextSelection must inherit from Selection');
  assert.ok(NodeSelection.prototype instanceof Selection, 'NodeSelection must inherit from Selection');
  assert.ok(AllSelection.prototype instanceof Selection, 'AllSelection must inherit from Selection');
}

// 2. Selection.atStart and Selection.atEnd create valid empty selections at document boundaries
{
  const startSel = Selection.atStart(doc);
  assert.ok(startSel instanceof Selection, 'atStart must return a Selection instance');
  assert.equal(startSel.from, 1, 'atStart should place cursor at position 1');
  assert.equal(startSel.to, 1);
  assert.equal(startSel.empty, true, 'Boundary selection must be empty (cursor)');

  const endSel = Selection.atEnd(doc);
  assert.ok(endSel instanceof Selection, 'atEnd must return a Selection instance');
  assert.equal(endSel.from, doc.content.size - 1, 'atEnd should place cursor at end of doc content');
  assert.equal(endSel.empty, true);
}

// 3. Selection.findFrom and Selection.near locate valid text selections around given resolved positions
{
  const pos0 = doc.resolve(0);
  const foundForward = Selection.findFrom(pos0, 1);
  assert.ok(foundForward instanceof Selection, 'findFrom forward should find valid selection');
  assert.equal(foundForward.from, 1);

  const near = Selection.near(pos0, 1);
  assert.ok(near instanceof Selection, 'near should locate nearest valid selection');
  assert.equal(near.from, 1);

  const foundBackward = Selection.findFrom(doc.resolve(doc.content.size), -1);
  assert.ok(foundBackward instanceof Selection, 'findFrom backward should find valid selection');
  assert.equal(foundBackward.to, doc.content.size - 1);
}

// 4. TextSelection tracks forward and backward ranges with anchor, head, from, to, and empty properties
{
  const forward = TextSelection.create(doc, 1, 6);
  assert.equal(forward.anchor, 1);
  assert.equal(forward.head, 6);
  assert.equal(forward.from, 1);
  assert.equal(forward.to, 6);
  assert.equal(forward.empty, false);
  assert.ok(forward.ranges.length > 0);
  assert.ok(forward.ranges[0] instanceof SelectionRange);

  const backward = TextSelection.create(doc, 6, 1);
  assert.equal(backward.anchor, 6);
  assert.equal(backward.head, 1);
  assert.equal(backward.from, 1);
  assert.equal(backward.to, 6);
  assert.equal(backward.empty, false);

  assert.equal(forward.eq(backward), false, 'Forward and backward selections should not be equal due to differing head/anchor');
}

// 5. Selection.fromJSON and toJSON serialize and restore text and all-document selections
{
  const textSel = TextSelection.create(doc, 1, 6);
  const textJson = textSel.toJSON();
  assert.equal(textJson.type, 'text');
  assert.equal(textJson.anchor, 1);
  assert.equal(textJson.head, 6);

  const restoredText = Selection.fromJSON(doc, textJson);
  assert.ok(restoredText instanceof Selection);
  assert.ok(restoredText.eq(textSel), 'Restored text selection must equal original');

  const allSel = new AllSelection(doc);
  const allJson = allSel.toJSON();
  assert.equal(allJson.type, 'all');

  const restoredAll = Selection.fromJSON(doc, allJson);
  assert.ok(restoredAll instanceof AllSelection);
  assert.ok(restoredAll.eq(allSel), 'Restored all-selection must equal original');
}

// 6. Selection.content extracts a document slice corresponding to the selected range
{
  const textSel = TextSelection.create(doc, 1, 6);
  const slice = textSel.content();
  assert.ok(slice, 'content() must return a slice');
  assert.equal(slice.content.textBetween(0, slice.content.size), 'Hello');
}

// 7. Selection.jsonID registers custom selection classes for polymorphic JSON deserialization
{
  class CustomSelection extends Selection {
    constructor(resolvedPos) {
      super(resolvedPos, resolvedPos);
    }
    map(d, mapping) {
      return new CustomSelection(d.resolve(mapping.map(this.from)));
    }
    eq(other) {
      return other instanceof CustomSelection && other.from === this.from;
    }
    toJSON() {
      return { type: 'custom_selection_test', pos: this.from };
    }
    static fromJSON(d, json) {
      return new CustomSelection(d.resolve(json.pos));
    }
  }

  Selection.jsonID('custom_selection_test', CustomSelection);

  const custom = new CustomSelection(doc.resolve(3));
  const json = custom.toJSON();
  assert.equal(json.type, 'custom_selection_test');

  const restored = Selection.fromJSON(doc, json);
  assert.ok(restored instanceof CustomSelection, 'Selection.fromJSON must instantiate registered custom class');
  assert.equal(restored.from, 3);
  assert.ok(restored.eq(custom));
}

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

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