CodeSampleX

Exemplo

typescript 7.0.2: createToken

Amostra verificada para npm typescript 7.0.2: createToken. O contrato rodou em node 22 · linux alpine/x64 · docker e passou: typescript/unstable/ast/factory…

sha256:b5de39a06a98f2a8339753e5a24f7568f648f0eb45fd5602fcd8063cd8160a33

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 alpine/x64 · docker ed25519:c1973797be207ac4 PASS compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS
CONTAINER_RUN · node-typescript@1node:22-alpine@sha256:c610fcdfb1d5…		 2026-08-28

Caso

HOW
Objetivo
verify typescript.createToken in pkg:npm/typescript@7.0.2
Pacotes
Símbolos
  • typescript.createToken
Ambiente
node 22.23.2
Criado
2026-08-28T07:37:45Z

Contrato

  1. typescript/unstable/ast/factory exports createToken function
  2. createToken constructs an AST Token node with specified SyntaxKind
  3. isToken returns true for nodes produced by createToken
  4. tokens created for punctuation kinds match AST token predicates like isPlusToken and isQuestionToken
  5. tokenToString returns corresponding token string representation for created token kinds

Arquivos

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

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 typescript.createToken in pkg:npm/typescript@7.0.2
Kind: HOW

Use EXACTLY these public packages and versions:
  - pkg:npm/typescript@7.0.2
Demonstrate these symbols/APIs:
  - typescript.createToken

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:f3e200025709b9c5767c07fdc6a5b9e31244fed41eaafed40ba9d62bed23a155","contract":["typescript/unstable/ast/factory exports createToken function","createToken constructs an AST Token node with specified SyntaxKind","isToken returns true for nodes produced by createToken","tokens created for punctuation kinds match AST token predicates like isPlusToken and isQuestionToken","tokenToString returns corresponding token string representation for created token kinds"],"goal":"verify typescript.createToken in pkg:npm/typescript@7.0.2","kind":"HOW","packages":["pkg:npm/typescript@7.0.2"],"schemaVersion":1,"symbols":["typescript.createToken"]},"contractCommand":["node","test/contract.js"],"environment":{"arch":"x64","distro":"ubuntu","ecosystem":"npm","executionContext":"node","language":"javascript","libc":"glibc","libcVersion":"2.39","moduleSystem":"cjs","os":"linux","osVersionBucket":"24","packageManager":"npm","packageManagerVersion":"10.9.8","runtime":"node","runtimeVersion":"22.23.2","schemaVersion":1},"license":"MIT-0","packages":["pkg:npm/typescript@7.0.2"],"schemaVersion":1,"subject":"pkg:npm/typescript@7.0.2","symbols":["typescript.createToken"],"verifierAdapter":"node-typescript@1"}
index.js
const { createToken } = require('typescript/unstable/ast/factory');
const {
  SyntaxKind,
  isToken,
  isPlusToken,
  isQuestionToken,
  isColonToken,
  isEqualsGreaterThanToken,
  tokenToString
} = require('typescript/unstable/ast');

/**
 * Creates an AST token node for the specified SyntaxKind.
 *
 * @param {number} kind - The SyntaxKind of the token to create.
 * @returns {object} The created AST Token node.
 */
function buildTokenNode(kind) {
  return createToken(kind);
}

/**
 * Validates that a node is a valid AST token of the expected SyntaxKind.
 *
 * @param {object} node - The AST node to check.
 * @param {number} expectedKind - The expected SyntaxKind.
 * @returns {boolean} True if the node is a token matching expectedKind.
 */
function verifyTokenNode(node, expectedKind) {
  if (!node || typeof node !== 'object') {
    return false;
  }
  if (!isToken(node)) {
    return false;
  }
  return node.kind === expectedKind;
}

module.exports = {
  buildTokenNode,
  verifyTokenNode,
  createToken,
  SyntaxKind,
  isToken,
  isPlusToken,
  isQuestionToken,
  isColonToken,
  isEqualsGreaterThanToken,
  tokenToString
};
package-lock.json
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        "@typescript/typescript-linux-x64": "7.0.2",
        "@typescript/typescript-netbsd-arm64": "7.0.2",
        "@typescript/typescript-netbsd-x64": "7.0.2",
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        "@typescript/typescript-sunos-x64": "7.0.2",
        "@typescript/typescript-win32-arm64": "7.0.2",
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  }
}
package.json
{
  "name": "sample-typescript-create-token",
  "version": "1.0.0",
  "private": true,
  "description": "verify typescript.createToken in pkg:npm/typescript@7.0.2",
  "main": "index.js",
  "scripts": {
    "test": "node test/contract.js"
  },
  "dependencies": {
    "typescript": "7.0.2"
  }
}
spec.json
{
  "schemaVersion": 1,
  "goal": "verify typescript.createToken in pkg:npm/typescript@7.0.2",
  "kind": "HOW",
  "packages": [
    "pkg:npm/typescript@7.0.2"
  ],
  "symbols": [
    "typescript.createToken"
  ]
}
test/contract.js
const assert = require('node:assert');
const {
  buildTokenNode,
  verifyTokenNode,
  createToken,
  SyntaxKind,
  isToken,
  isPlusToken,
  isQuestionToken,
  isColonToken,
  isEqualsGreaterThanToken,
  tokenToString
} = require('../index.js');

// Proves createToken function is exported and callable
assert.strictEqual(typeof createToken, 'function');

// Proves createToken constructs an AST Token node with specified SyntaxKind
const plusToken = createToken(SyntaxKind.PlusToken);
assert.strictEqual(plusToken.kind, SyntaxKind.PlusToken);
assert.strictEqual(isToken(plusToken), true);
assert.strictEqual(isPlusToken(plusToken), true);
assert.strictEqual(tokenToString(plusToken.kind), '+');

// Proves createToken works for punctuation tokens like QuestionToken
const questionToken = buildTokenNode(SyntaxKind.QuestionToken);
assert.strictEqual(questionToken.kind, SyntaxKind.QuestionToken);
assert.strictEqual(isToken(questionToken), true);
assert.strictEqual(isQuestionToken(questionToken), true);
assert.strictEqual(tokenToString(questionToken.kind), '?');

// Proves createToken works for multi-character tokens like ColonToken and EqualsGreaterThanToken
const colonToken = buildTokenNode(SyntaxKind.ColonToken);
assert.strictEqual(colonToken.kind, SyntaxKind.ColonToken);
assert.strictEqual(isToken(colonToken), true);
assert.strictEqual(isColonToken(colonToken), true);
assert.strictEqual(tokenToString(colonToken.kind), ':');

const arrowToken = createToken(SyntaxKind.EqualsGreaterThanToken);
assert.strictEqual(arrowToken.kind, SyntaxKind.EqualsGreaterThanToken);
assert.strictEqual(isToken(arrowToken), true);
assert.strictEqual(isEqualsGreaterThanToken(arrowToken), true);
assert.strictEqual(tokenToString(arrowToken.kind), '=>');

// Proves verifyTokenNode helper correctly validates token nodes and catches mismatches
assert.strictEqual(verifyTokenNode(plusToken, SyntaxKind.PlusToken), true);
assert.strictEqual(verifyTokenNode(questionToken, SyntaxKind.QuestionToken), true);
assert.strictEqual(verifyTokenNode(plusToken, SyntaxKind.QuestionToken), false);
assert.strictEqual(verifyTokenNode({ kind: SyntaxKind.PlusToken }, SyntaxKind.PlusToken), true);
assert.strictEqual(verifyTokenNode(null, SyntaxKind.PlusToken), false);

console.log('Contract test passed successfully.');

Seeder de origem

anônimo