CodeSampleX

Beispiel

@eslint-community/eslint-utils 4.10.1

Verifiziertes Beispiel für npm @eslint-community/eslint-utils 4.10.1. Der Vertrag lief auf node 22 · linux alpine/x64 · docker und bestand.

sha256:04b93e31c8918063943f88f1aeed94761557f536dc13dc0b15f792d78279c3de

Dieses Netzwerk bietet eine Sache: ein Sample, das baut. Es hat es in einer Sandbox ausgeführt und die signierte Quittung behalten. Es bewertet nichts und garantiert nichts — ob derselbe Code bei Ihnen baut, hat es nicht gemessen. Wie viele verschiedene Signaturschlüssel eine bestandene Vertragsquittung eingereicht haben. Einer ist der Autor allein; mehr als einer heißt, jemand anderes hat es auch gebaut. Ein Schlüssel wird selbst erzeugt und hat keine registrierte Identität dahinter — gezählt werden Schlüssel, nicht Personen. MIT-0

Ausführungsbelege

Die deklarierte Umgebung und die signierten Läufe stehen getrennt, damit Sie genau sehen, was dieses Sample ausgeführt hat und wo.

Beleggrundlage
Signierter Vertrag bestanden
Verifizierungsbelege
1
Signaturschlüssel, die es gebaut haben
1
Deklarierte Umgebung node 22.23 linux 24 · ubuntu · glibc 2.39 x64 node 22.23 javascript npm

Umgebungen der Verifizierungsläufe

Umgebung Contract Stufen Lauf
node 22 · linux alpine/x64 · docker ed25519:c1973797be207ac4 PASS compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS
CONTAINER_RUN · node-typescript@1		 2026-08-20

Fall

HOW
Ziel
verify pkg:npm/%40eslint-community/eslint-utils@4.10.1
Pakete
Umgebung
node 22.23.2
Erstellt
2026-08-20T23:45:49Z

Contract

  1. getPropertyName extracts static and computed property names from MemberExpression and Property AST nodes
  2. getStaticValue evaluates constant literal expressions, template literals, and binary operations to their static runtime values
  3. getStringIfConstant converts constant literals or static template literals into string representations
  4. hasSideEffect determines whether an AST expression contains state mutations or function calls
  5. PatternMatcher finds all RegExp matches across target source strings and tracks match indices
  6. ReferenceTracker traverses global variable references and matches specified call and read access patterns

Dateien

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

Quellartefakt herunterladen (tar.gz)

Quelltext

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 pkg:npm/%40eslint-community/eslint-utils@4.10.1
Kind: HOW

Use EXACTLY these public packages and versions:
  - pkg:npm/%40eslint-community/eslint-utils@4.10.1
Constraints:
  - executionContext: node
Required runtime conditions:
  - ecosystem: npm
  - language: javascript
  - moduleSystem: cjs
  - runtime: node@22.23.2

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:sha256:7f058e97e5805c478dcbf07e2ae66d66c58aaaf7924bdb87b1043f0152af589f","constraints":{"executionContext":"node"},"contract":["getPropertyName extracts static and computed property names from MemberExpression and Property AST nodes","getStaticValue evaluates constant literal expressions, template literals, and binary operations to their static runtime values","getStringIfConstant converts constant literals or static template literals into string representations","hasSideEffect determines whether an AST expression contains state mutations or function calls","PatternMatcher finds all RegExp matches across target source strings and tracks match indices","ReferenceTracker traverses global variable references and matches specified call and read access patterns"],"goal":"verify pkg:npm/%40eslint-community/eslint-utils@4.10.1","kind":"HOW","packages":["pkg:npm/%40eslint-community/eslint-utils@4.10.1"],"schemaVersion":1},"contractCommand":["node","test/contract.mjs"],"environment":{"arch":"x64","distro":"ubuntu","ecosystem":"npm","executionContext":"node","language":"javascript","libc":"glibc","libcVersion":"2.39","moduleSystem":"cjs","os":"linux","osVersionBucket":"24","packageManager":"npm","runtime":"node","runtimeVersion":"22.23.2","schemaVersion":1},"license":"MIT-0","packages":["pkg:npm/%40eslint-community/eslint-utils@4.10.1"],"schemaVersion":1,"subject":"pkg:npm/%40eslint-community/eslint-utils@4.10.1","verifierAdapter":"node-typescript@1"}
package-lock.json
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      "integrity": "sha512-BLI3Tl1TW3Pvl70l3yq3Y64i+awpwXqsGBYWkkqMtnbXgrMD+yj7rhW0kuEDxzJaYXGjEW5ogapKNMEKNMjibA==",
      "license": "ISC",
      "peer": true,
      "dependencies": {
        "isexe": "^2.0.0"
      },
      "bin": {
        "node-which": "bin/node-which"
      },
      "engines": {
        "node": ">= 8"
      }
    },
    "node_modules/word-wrap": {
      "version": "1.2.5",
      "resolved": "https://registry.npmjs.org/word-wrap/-/word-wrap-1.2.5.tgz",
      "integrity": "sha512-BN22B5eaMMI9UMtjrGd5g5eCYPpCPDUy0FJXbYsaT5zYxjFOckS53SQDE3pWkVoWpHXVb3BrYcEN4Twa55B5cA==",
      "license": "MIT",
      "peer": true,
      "engines": {
        "node": ">=0.10.0"
      }
    },
    "node_modules/yocto-queue": {
      "version": "0.1.0",
      "resolved": "https://registry.npmjs.org/yocto-queue/-/yocto-queue-0.1.0.tgz",
      "integrity": "sha512-rVksvsnNCdJ/ohGc6xgPwyN8eheCxsiLM8mxuE/t/mOVqJewPuO1miLpTHQiRgTKCLexL4MeAFVagts7HmNZ2Q==",
      "license": "MIT",
      "peer": true,
      "engines": {
        "node": ">=10"
      },
      "funding": {
        "url": "https://github.com/sponsors/sindresorhus"
      }
    }
  }
}
package.json
{
  "name": "sample-eslint-utils",
  "version": "1.0.0",
  "type": "module",
  "license": "MIT-0",
  "dependencies": {
    "@eslint-community/eslint-utils": "4.10.1"
  }
}
spec.json
{
  "schemaVersion": 1,
  "goal": "verify pkg:npm/%40eslint-community/eslint-utils@4.10.1",
  "kind": "HOW",
  "packages": [
    "pkg:npm/%40eslint-community/eslint-utils@4.10.1"
  ],
  "constraints": {
    "executionContext": "node"
  },
  "runtimeConditions": {
    "ecosystem": "npm",
    "language": "javascript",
    "moduleSystem": "cjs",
    "runtime": "node@22.23.2"
  }
}
test/contract.mjs
import assert from 'node:assert/strict';
import { createRequire } from 'node:module';

const require = createRequire(import.meta.url);
const {
  getPropertyName,
  getStaticValue,
  getStringIfConstant,
  hasSideEffect,
  PatternMatcher,
  ReferenceTracker,
  CALL,
  READ,
  CONSTRUCT,
  ESM
} = require('@eslint-community/eslint-utils');

// 1. getPropertyName extracts static and computed property names from MemberExpression and Property AST nodes
{
  const staticMember = {
    type: 'MemberExpression',
    object: { type: 'Identifier', name: 'process' },
    property: { type: 'Identifier', name: 'env' },
    computed: false
  };
  assert.equal(getPropertyName(staticMember), 'env');

  const computedMember = {
    type: 'MemberExpression',
    object: { type: 'Identifier', name: 'config' },
    property: { type: 'Literal', value: 'port', raw: '"port"' },
    computed: true
  };
  assert.equal(getPropertyName(computedMember), 'port');

  const propNode = {
    type: 'Property',
    key: { type: 'Identifier', name: 'host' },
    value: { type: 'Literal', value: 'localhost' },
    kind: 'init',
    method: false,
    shorthand: false,
    computed: false
  };
  assert.equal(getPropertyName(propNode), 'host');
}

// 2. getStaticValue evaluates constant literal expressions, template literals, and binary operations to their static runtime values
{
  const literalNode = { type: 'Literal', value: 42, raw: '42' };
  assert.deepEqual(getStaticValue(literalNode), { value: 42 });

  const binaryNode = {
    type: 'BinaryExpression',
    operator: '+',
    left: { type: 'Literal', value: 100 },
    right: { type: 'Literal', value: 25 }
  };
  assert.deepEqual(getStaticValue(binaryNode), { value: 125 });

  const templateNode = {
    type: 'TemplateLiteral',
    quasis: [
      { type: 'TemplateElement', value: { cooked: 'hello ', raw: 'hello ' } },
      { type: 'TemplateElement', value: { cooked: 'world', raw: 'world' } }
    ],
    expressions: [{ type: 'Literal', value: 'there' }]
  };
  assert.deepEqual(getStaticValue(templateNode), { value: 'hello thereworld' });
}

// 3. getStringIfConstant converts constant literals or static template literals into string representations
{
  const strLit = { type: 'Literal', value: 'strict-mode', raw: '"strict-mode"' };
  assert.equal(getStringIfConstant(strLit), 'strict-mode');

  const numLit = { type: 'Literal', value: 123, raw: '123' };
  assert.equal(getStringIfConstant(numLit), '123');

  const dynamicIdent = { type: 'Identifier', name: 'dynamicVar' };
  assert.equal(getStringIfConstant(dynamicIdent), null);

  const staticTemplate = {
    type: 'TemplateLiteral',
    quasis: [{ type: 'TemplateElement', value: { cooked: 'constant-text', raw: 'constant-text' } }],
    expressions: []
  };
  assert.equal(getStringIfConstant(staticTemplate), 'constant-text');
}

// 4. hasSideEffect determines whether an AST expression contains state mutations or function calls
{
  const emptySourceCode = {};
  const pureNode = { type: 'Literal', value: 10 };
  assert.equal(hasSideEffect(pureNode, emptySourceCode), false);

  const callExpression = {
    type: 'CallExpression',
    callee: { type: 'Identifier', name: 'execute' },
    arguments: []
  };
  assert.equal(hasSideEffect(callExpression, emptySourceCode), true);

  const assignmentExpression = {
    type: 'AssignmentExpression',
    operator: '=',
    left: { type: 'Identifier', name: 'total' },
    right: { type: 'Literal', value: 0 }
  };
  assert.equal(hasSideEffect(assignmentExpression, emptySourceCode), true);
}

// 5. PatternMatcher finds all RegExp matches across target source strings and tracks match indices
{
  const matcher = new PatternMatcher(/item-(\d+)/g);
  const text = 'item-10 and item-20';
  const matches = Array.from(matcher.execAll(text));

  assert.equal(matches.length, 2);
  assert.equal(matches[0][0], 'item-10');
  assert.equal(matches[0][1], '10');
  assert.equal(matches[0].index, 0);

  assert.equal(matches[1][0], 'item-20');
  assert.equal(matches[1][1], '20');
  assert.equal(matches[1].index, 12);
}

// 6. ReferenceTracker traverses global variable references and matches specified call and read access patterns
{
  const mockGlobalScope = {
    set: new Map([
      [
        'fetch',
        {
          name: 'fetch',
          defs: [],
          references: [
            {
              identifier: { type: 'Identifier', name: 'fetch' },
              isRead: () => true,
              isWrite: () => false,
              init: false
            }
          ]
        }
      ]
    ])
  };

  const tracker = new ReferenceTracker(mockGlobalScope);
  const traceMap = {
    fetch: {
      [CALL]: true,
      [READ]: true
    }
  };

  const references = Array.from(tracker.iterateGlobalReferences(traceMap));
  assert.equal(references.length, 1);
  assert.equal(references[0].node.name, 'fetch');
  assert.deepEqual(references[0].path, ['fetch']);
  assert.equal(references[0].type, READ);
}

console.log('Contract assertions passed.');

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