CodeSampleX

Exemple

typescript 7.0.2: formatSyntaxKind

Échantillon vérifié pour npm typescript 7.0.2: formatSyntaxKind. Le contrat s'est exécuté sur node 22 · linux alpine/x64 · docker et a réussi.

sha256:2998b3201b504a2425cae1b5410e29b53db79f3a0bfc006676c4c7447277e8ba

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 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

Cas

HOW
Objectif
verify typescript.formatSyntaxKind in pkg:npm/typescript@7.0.2
Paquets
Symboles
  • typescript.formatSyntaxKind
Créé
2026-08-28T07:46:33Z

Contrat

  1. formatKind returns the canonical string name for standard SyntaxKind enum values using formatSyntaxKind
  2. formatKind returns formatted Unknown representation for unrecognized numeric syntax kind values
  3. formatNodeKind extracts and formats the SyntaxKind of AST node objects using formatSyntaxKind
  4. formatTokenKinds formats an array of token kind numbers into an array of readable syntax kind names
  5. inspectAndFormatTokens scans source code and attaches formatted syntax kind names to tokens

Fichiers

  • PROMPT.md
  • csx.json
  • package-lock.json
  • package.json
  • spec.json
  • src/index.mjs
  • 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 typescript.formatSyntaxKind 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.formatSyntaxKind

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
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package-lock.json
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package.json
{
  "name": "typescript-formatsyntaxkind-sample",
  "version": "1.0.0",
  "description": "verify typescript.formatSyntaxKind in pkg:npm/typescript@7.0.2",
  "type": "module",
  "main": "src/index.mjs",
  "scripts": {
    "test": "node test/contract.mjs"
  },
  "dependencies": {
    "typescript": "7.0.2"
  },
  "license": "MIT-0"
}
spec.json
{
  "schemaVersion": 1,
  "goal": "verify typescript.formatSyntaxKind in pkg:npm/typescript@7.0.2",
  "kind": "HOW",
  "packages": [
    "pkg:npm/typescript@7.0.2"
  ],
  "symbols": [
    "typescript.formatSyntaxKind"
  ]
}
src/index.mjs
import {
  formatSyntaxKind,
  SyntaxKind,
  createScanner,
  LanguageVariant,
} from 'typescript/unstable/ast';

/**
 * Formats a numeric SyntaxKind value into its human-readable string representation.
 *
 * @param {number} kind - The SyntaxKind enum value or numeric kind.
 * @returns {string} The formatted name of the syntax kind.
 */
export function formatKind(kind) {
  return formatSyntaxKind(kind);
}

/**
 * Extracts and formats the SyntaxKind from an AST node.
 *
 * @param {{ kind: number }} node - An AST node object with a numeric kind property.
 * @returns {string} The formatted name of the AST node's syntax kind.
 */
export function formatNodeKind(node) {
  if (!node || typeof node.kind !== 'number') {
    throw new TypeError('Expected an AST node object with numeric kind property');
  }
  return formatSyntaxKind(node.kind);
}

/**
 * Formats an array of numeric SyntaxKind values into an array of readable names.
 *
 * @param {number[]} kinds - Array of numeric SyntaxKind values.
 * @returns {string[]} Array of formatted syntax kind names.
 */
export function formatTokenKinds(kinds) {
  if (!Array.isArray(kinds)) {
    throw new TypeError('Expected kinds to be an array of numbers');
  }
  return kinds.map((k) => formatSyntaxKind(k));
}

/**
 * Scans source code and returns tokens enriched with formatted syntax kind names.
 *
 * @param {string} sourceText - Source code string to scan.
 * @param {object} [options={}] - Scanning options.
 * @param {boolean} [options.skipTrivia=true] - Whether to skip trivia tokens.
 * @param {number} [options.languageVariant=LanguageVariant.Standard] - Language variant.
 * @returns {Array<{ kind: number, kindName: string, text: string, start: number, end: number }>}
 */
export function inspectAndFormatTokens(sourceText, options = {}) {
  const skipTrivia = options.skipTrivia !== false;
  const languageVariant = options.languageVariant ?? LanguageVariant.Standard;
  const scanner = createScanner(skipTrivia, languageVariant, sourceText);

  const results = [];
  let token;
  while ((token = scanner.scan()) !== SyntaxKind.EndOfFile) {
    results.push({
      kind: token,
      kindName: formatSyntaxKind(token),
      text: scanner.getTokenText(),
      start: scanner.getTokenStart(),
      end: scanner.getTokenEnd(),
    });
  }
  return results;
}

export { formatSyntaxKind, SyntaxKind, createScanner, LanguageVariant };
test/contract.mjs
import assert from 'node:assert/strict';
import {
  formatKind,
  formatNodeKind,
  formatTokenKinds,
  inspectAndFormatTokens,
  formatSyntaxKind,
  SyntaxKind,
} from '../src/index.mjs';

// Contract 1: formatKind returns the canonical string name for standard SyntaxKind enum values using formatSyntaxKind
{
  assert.strictEqual(formatKind(SyntaxKind.Unknown), 'Unknown');
  assert.strictEqual(formatKind(SyntaxKind.Identifier), 'Identifier');
  assert.strictEqual(formatKind(SyntaxKind.SourceFile), 'SourceFile');
  assert.strictEqual(formatKind(SyntaxKind.FunctionDeclaration), 'FunctionDeclaration');
  assert.strictEqual(formatKind(SyntaxKind.ReturnStatement), 'ReturnStatement');
  assert.strictEqual(formatKind(SyntaxKind.NumericLiteral), 'NumericLiteral');
  assert.strictEqual(formatKind(SyntaxKind.StringLiteral), 'StringLiteral');
  assert.strictEqual(formatKind(SyntaxKind.PlusToken), 'PlusToken');
  assert.strictEqual(formatKind(SyntaxKind.ExportKeyword), 'ExportKeyword');
}

// Contract 2: formatKind returns formatted Unknown representation for unrecognized numeric syntax kind values
{
  const unknownCustomKind = 99999;
  const formattedUnknown = formatKind(unknownCustomKind);
  assert.strictEqual(formattedUnknown, 'Unknown(99999)');

  const negativeKind = -5;
  const formattedNegative = formatKind(negativeKind);
  assert.strictEqual(formattedNegative, 'Unknown(-5)');
}

// Contract 3: formatNodeKind extracts and formats the SyntaxKind of AST node objects using formatSyntaxKind
{
  const mockFuncNode = { kind: SyntaxKind.FunctionDeclaration, name: 'compute' };
  const mockClassNode = { kind: SyntaxKind.ClassDeclaration, name: 'Calculator' };
  const mockVarNode = { kind: SyntaxKind.VariableStatement };
  const mockIfNode = { kind: SyntaxKind.IfStatement };

  assert.strictEqual(formatNodeKind(mockFuncNode), 'FunctionDeclaration');
  assert.strictEqual(formatNodeKind(mockClassNode), 'ClassDeclaration');
  assert.strictEqual(formatNodeKind(mockVarNode), 'VariableStatement');
  assert.strictEqual(formatNodeKind(mockIfNode), 'IfStatement');

  assert.throws(() => formatNodeKind(null), { name: 'TypeError' });
  assert.throws(() => formatNodeKind({}), { name: 'TypeError' });
}

// Contract 4: formatTokenKinds formats an array of token kind numbers into an array of readable syntax kind names
{
  const kinds = [
    SyntaxKind.ConstKeyword,
    SyntaxKind.Identifier,
    SyntaxKind.EqualsToken,
    SyntaxKind.NumericLiteral,
    SyntaxKind.SemicolonToken,
  ];

  const formatted = formatTokenKinds(kinds);
  assert.deepStrictEqual(formatted, [
    'ConstKeyword',
    'Identifier',
    'EqualsToken',
    'NumericLiteral',
    'SemicolonToken',
  ]);
}

// Contract 5: inspectAndFormatTokens scans source code and attaches formatted syntax kind names to tokens
{
  const code = 'export const total = 100;';
  const tokens = inspectAndFormatTokens(code);

  assert.ok(Array.isArray(tokens));
  assert.strictEqual(tokens.length, 6);

  const kindNames = tokens.map((t) => t.kindName);
  assert.deepStrictEqual(kindNames, [
    'ExportKeyword',
    'ConstKeyword',
    'Identifier',
    'EqualsToken',
    'NumericLiteral',
    'SemicolonToken',
  ]);

  const texts = tokens.map((t) => t.text);
  assert.deepStrictEqual(texts, ['export', 'const', 'total', '=', '100', ';']);
}

console.log('All typescript.formatSyntaxKind contracts passed successfully.');

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