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@eslint-community/eslint-utils 4.10.1: findVariable, getFunctionNameWithKind, getInnermostScope

검증된 샘플 — npm @eslint-community/eslint-utils 4.10.1: findVariable, getFunctionNameWithKind, getInnermostScope. node 22 · linux alpine/x64 · docker에서 contract를…

sha256:a41354041ed729d0fc77a8e89ffb01702e3b7c8eeca8b6ae19243675c56568c1

이 네트워크가 제공하는 것은 하나입니다. 빌드되는 샘플. 샌드박스에서 돌리고 서명된 영수증을 보관합니다. 등급을 매기지 않고 무엇도 보증하지 않습니다 — 같은 코드가 당신 환경에서 빌드되는지는 측정한 적이 없습니다. 통과한 계약 영수증을 낸 서로 다른 서명 키의 수입니다. 하나면 작성자 혼자이고, 둘 이상이면 다른 사람도 빌드했다는 뜻입니다. 키는 스스로 만드는 것이고 뒤에 등록된 신원이 없으므로, 세는 것은 사람이 아니라 키입니다. MIT-0

실행 증거

선언된 환경과 서명된 실행을 분리해 두었습니다. 이 샘플이 무엇을 어디서 실행했는지 그대로 볼 수 있습니다.

증거 기준
서명된 컨트랙트 통과
검증 영수증
1
빌드한 서명 키
1
선언된 환경 node 22.23 linux 24 · ubuntu · glibc 2.39 x64 node 22.23 javascript npm

검증 실행 환경

환경 컨트랙트 단계 실행일
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…		 2026-08-27

케이스

HOW
목표
verify pkg:npm/%40eslint-community/eslint-utils@4.10.1
패키지
심벌
  • findVariable
  • getFunctionNameWithKind
  • getInnermostScope
  • isParenthesized
환경
node 22.23.2
생성일
2026-08-27T16:12:56Z

컨트랙트

  1. findVariable traverses the scope chain upwards to find a variable declaration by name or AST identifier node
  2. getFunctionNameWithKind returns the formatted kind and name of function, method, or arrow function AST nodes
  3. getInnermostScope locates the most deeply nested child scope covering the range of a target AST node
  4. isParenthesized verifies if an AST node is wrapped in one or more pairs of parentheses, throwing TypeError for non-positive repetition counts

파일

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

소스 아티팩트 내려받기 (tar.gz)

소스

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
Demonstrate these symbols/APIs:
  - findVariable
  - getFunctionNameWithKind
  - getInnermostScope
  - isParenthesized

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:e2e74ebda892ec1be577c8ea13ddab0c587259983ce82f67ac4681ffe4c34f87","contract":["findVariable traverses the scope chain upwards to find a variable declaration by name or AST identifier node","getFunctionNameWithKind returns the formatted kind and name of function, method, or arrow function AST nodes","getInnermostScope locates the most deeply nested child scope covering the range of a target AST node","isParenthesized verifies if an AST node is wrapped in one or more pairs of parentheses, throwing TypeError for non-positive repetition counts"],"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,"symbols":["findVariable","getFunctionNameWithKind","getInnermostScope","isParenthesized"]},"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","symbols":["findVariable","getFunctionNameWithKind","getInnermostScope","isParenthesized"],"verifierAdapter":"node-typescript@1"}
package-lock.json
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      "license": "BSD-2-Clause",
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      "version": "2.0.2",
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      "license": "ISC",
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        "isexe": "^2.0.0"
      },
      "bin": {
        "node-which": "bin/node-which"
      },
      "engines": {
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      }
    },
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      "funding": {
        "url": "https://github.com/sponsors/sindresorhus"
      }
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}
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"
  ],
  "symbols": [
    "findVariable",
    "getFunctionNameWithKind",
    "getInnermostScope",
    "isParenthesized"
  ]
}
test/contract.mjs
import assert from 'node:assert/strict';
import { createRequire } from 'node:module';

const require = createRequire(import.meta.url);
const {
  findVariable,
  getFunctionNameWithKind,
  getInnermostScope,
  isParenthesized
} = require('@eslint-community/eslint-utils');

// 1. findVariable traverses the scope chain upwards to find a variable declaration by name or AST identifier node
{
  const globalVar = { name: 'globalVar' };
  const localVar = { name: 'localVar' };

  const globalScope = {
    set: new Map([['globalVar', globalVar]]),
    upper: null,
    childScopes: []
  };

  const innerScope = {
    set: new Map([['localVar', localVar]]),
    upper: globalScope,
    childScopes: [],
    block: { range: [10, 30] }
  };
  globalScope.childScopes.push(innerScope);

  assert.equal(findVariable(globalScope, 'globalVar'), globalVar);
  assert.equal(findVariable(innerScope, 'globalVar'), globalVar);
  assert.equal(findVariable(innerScope, 'localVar'), localVar);
  assert.equal(findVariable(globalScope, 'localVar'), null);
  assert.equal(findVariable(globalScope, 'nonExistent'), null);

  const identNode = { type: 'Identifier', name: 'localVar', range: [15, 23] };
  assert.equal(findVariable(globalScope, identNode), localVar);
}

// 2. getFunctionNameWithKind returns the formatted kind and name of function, method, or arrow function AST nodes
{
  const unparentedFunc = { type: 'FunctionDeclaration', id: { name: 'orphan' } };
  assert.equal(getFunctionNameWithKind(unparentedFunc), '');

  const funcDecl = {
    type: 'FunctionDeclaration',
    id: { name: 'calculateTotal' },
    async: false,
    generator: false
  };
  funcDecl.parent = { type: 'Program' };
  assert.equal(getFunctionNameWithKind(funcDecl), "function 'calculateTotal'");

  const arrowFunc = {
    type: 'ArrowFunctionExpression',
    async: true,
    generator: false
  };
  arrowFunc.parent = {
    type: 'VariableDeclarator',
    id: { type: 'Identifier', name: 'fetchData' }
  };
  assert.equal(getFunctionNameWithKind(arrowFunc), "async arrow function 'fetchData'");

  const methodNode = {
    type: 'FunctionExpression',
    async: true,
    generator: true
  };
  methodNode.parent = {
    type: 'MethodDefinition',
    key: { type: 'Identifier', name: 'streamItems' },
    value: methodNode,
    kind: 'method',
    static: true,
    computed: false
  };
  assert.equal(getFunctionNameWithKind(methodNode), "static async generator method 'streamItems'");

  const ctorNode = {
    type: 'FunctionExpression',
    async: false,
    generator: false
  };
  ctorNode.parent = {
    type: 'MethodDefinition',
    key: { type: 'Identifier', name: 'constructor' },
    value: ctorNode,
    kind: 'constructor',
    static: false,
    computed: false
  };
  assert.equal(getFunctionNameWithKind(ctorNode), 'constructor');
}

// 3. getInnermostScope locates the most deeply nested child scope covering the range of a target AST node
{
  const innermost = {
    block: { range: [20, 30] },
    childScopes: []
  };
  const middle = {
    block: { range: [10, 40] },
    childScopes: [innermost]
  };
  const root = {
    block: { range: [0, 100] },
    childScopes: [middle]
  };

  const insideInnermost = { range: [25, 28] };
  assert.equal(getInnermostScope(root, insideInnermost), innermost);

  const insideMiddleOnly = { range: [35, 38] };
  assert.equal(getInnermostScope(root, insideMiddleOnly), middle);

  const insideRootOnly = { range: [50, 60] };
  assert.equal(getInnermostScope(root, insideRootOnly), root);
}

// 4. isParenthesized verifies if an AST node is wrapped in one or more pairs of parentheses, throwing TypeError for non-positive repetition counts
{
  const targetNode = {
    type: 'Identifier',
    name: 'foo',
    parent: { type: 'ExpressionStatement' }
  };

  const lParen1 = { type: 'Punctuator', value: '(' };
  const rParen1 = { type: 'Punctuator', value: ')' };
  const lParen2 = { type: 'Punctuator', value: '(' };
  const rParen2 = { type: 'Punctuator', value: ')' };

  const singleParenSourceCode = {
    getTokenBefore(n) {
      if (n === targetNode) return lParen1;
      return null;
    },
    getTokenAfter(n) {
      if (n === targetNode) return rParen1;
      return null;
    }
  };

  assert.equal(isParenthesized(targetNode, singleParenSourceCode), true);
  assert.equal(isParenthesized(1, targetNode, singleParenSourceCode), true);
  assert.equal(isParenthesized(2, targetNode, singleParenSourceCode), false);

  const doubleParenSourceCode = {
    getTokenBefore(n) {
      if (n === targetNode) return lParen1;
      if (n === lParen1) return lParen2;
      return null;
    },
    getTokenAfter(n) {
      if (n === targetNode) return rParen1;
      if (n === rParen1) return rParen2;
      return null;
    }
  };

  assert.equal(isParenthesized(2, targetNode, doubleParenSourceCode), true);

  const noParenSourceCode = {
    getTokenBefore() { return null; },
    getTokenAfter() { return null; }
  };
  assert.equal(isParenthesized(targetNode, noParenSourceCode), false);

  assert.throws(
    () => isParenthesized(0, targetNode, singleParenSourceCode),
    TypeError
  );
}

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

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