CodeSampleX

Пример

@npmcli/config 9.0.0

Проверенный пример — npm @npmcli/config 9.0.0. Контракт выполнен на node 22 · linux debian/x64 · docker и пройден: Calling config.get() before await…

sha256:7a848581a968b865c0b259867bd9c81b7c5c2d51d202bb6180775bc6dd675176

Эта сеть предлагает одно: образец, который собирается. Она запустила его в песочнице и сохранила подписанную квитанцию. Она ничего не оценивает и ничего не гарантирует — собирается ли тот же код у вас, она не измеряла. Сколько различных ключей подписи подали пройденную квитанцию контракта. Один — только автор; больше одного — значит, кто-то ещё тоже собрал. Ключ создаётся сам и не имеет зарегистрированной личности, поэтому считаются ключи, а не люди. MIT-0

Свидетельства выполнения

Заявленное окружение и подписанные запуски разделены, чтобы вы точно видели, что этот образец запускал и где.

Основа свидетельства
Подписанный контракт пройден
Квитанции проверки
1
Ключи подписи, собравшие его
1
Заявленная среда linux 24 · ubuntu · glibc 2.39 x64 npm

Среды запусков проверки

Окружение Контракт Этапы Запуск
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…		 2026-10-21

Кейс

HOW
Цель
verify pkg:npm/%40npmcli/config@9.0.0
Пакеты
Создан
2026-10-21T01:54:20Z

Контракт

  1. Calling config.get() before await config.load() throws Error('call config.load() before reading values').
  2. After await config.load(), config.loaded is true and CLI shorthands (-s -> loglevel='silent'), CLI flags (--save-exact -> true), and npm_config_* environment variables (npm_config_tag -> tag='next') resolve according to layer precedence (cli > env > default).
  3. config.find(key) returns the active layer name ('cli', 'env', or 'default') and config.isDefault(key) returns true only when no higher-priority layer overrides the default definition.
  4. config.set('tag', 'beta', 'cli') overrides the env layer, invalidates cached config.flat so config.flat.defaultTag becomes 'beta', and config.delete('tag', 'cli') restores fallback to the env layer.

Файлы

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

Скачать артефакт с исходным кодом (tar.gz)

Исходный код

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/%40npmcli/config@9.0.0
Kind: HOW

Use EXACTLY these public packages and versions:
  - pkg:npm/%40npmcli/config@9.0.0

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:f0d04b325318d24c7f8adf1b04eba089f6589473697869d09f6a29be7b66c6d2","contract":["Calling config.get() before await config.load() throws Error('call config.load() before reading values').","After await config.load(), config.loaded is true and CLI shorthands (-s -\u003e loglevel='silent'), CLI flags (--save-exact -\u003e true), and npm_config_* environment variables (npm_config_tag -\u003e tag='next') resolve according to layer precedence (cli \u003e env \u003e default).","config.find(key) returns the active layer name ('cli', 'env', or 'default') and config.isDefault(key) returns true only when no higher-priority layer overrides the default definition.","config.set('tag', 'beta', 'cli') overrides the env layer, invalidates cached config.flat so config.flat.defaultTag becomes 'beta', and config.delete('tag', 'cli') restores fallback to the env layer."],"goal":"verify pkg:npm/%40npmcli/config@9.0.0","kind":"HOW","packages":["pkg:npm/%40npmcli/config@9.0.0"],"schemaVersion":1},"contractCommand":["node","test/contract.mjs"],"environment":{"arch":"x64","distro":"ubuntu","ecosystem":"npm","libc":"glibc","libcVersion":"2.39","os":"linux","osVersionBucket":"24","packageManager":"npm","schemaVersion":1},"license":"MIT-0","packages":["pkg:npm/%40npmcli/config@9.0.0"],"schemaVersion":1,"subject":"pkg:npm/%40npmcli/config@9.0.0","verifierAdapter":"node-typescript@1"}
package-lock.json
{
  "name": "sample",
  "version": "1.0.0",
  "lockfileVersion": 3,
  "requires": true,
  "packages": {
    "": {
      "name": "sample",
      "version": "1.0.0",
      "dependencies": {
        "@npmcli/config": "9.0.0"
      }
    },
    "node_modules/@isaacs/cliui": {
      "version": "8.0.2",
      "resolved": "https://registry.npmjs.org/@isaacs/cliui/-/cliui-8.0.2.tgz",
      "integrity": "sha512-O8jcjabXaleOG9DQ0+ARXWZBTfnP4WNAqzuiJK7ll44AmxGKv/J2M4TPjxjY3znBCfvBXFzucm1twdyFybFqEA==",
      "license": "ISC",
      "dependencies": {
        "string-width": "^5.1.2",
        "string-width-cjs": "npm:string-width@^4.2.0",
        "strip-ansi": "^7.0.1",
        "strip-ansi-cjs": "npm:strip-ansi@^6.0.1",
        "wrap-ansi": "^8.1.0",
        "wrap-ansi-cjs": "npm:wrap-ansi@^7.0.0"
      },
      "engines": {
        "node": ">=12"
      }
    },
    "node_modules/@npmcli/config": {
      "version": "9.0.0",
      "resolved": "https://registry.npmjs.org/@npmcli/config/-/config-9.0.0.tgz",
      "integrity": "sha512-P5Vi16Y+c8E0prGIzX112ug7XxqfaPFUVW/oXAV+2VsxplKZEnJozqZ0xnK8V8w/SEsBf+TXhUihrEIAU4CA5Q==",
      "license": "ISC",
      "dependencies": {
        "@npmcli/map-workspaces": "^4.0.1",
        "@npmcli/package-json": "^6.0.1",
        "ci-info": "^4.0.0",
        "ini": "^5.0.0",
        "nopt": "^8.0.0",
        "proc-log": "^5.0.0",
        "semver": "^7.3.5",
        "walk-up-path": "^3.0.1"
      },
      "engines": {
        "node": "^18.17.0 || >=20.5.0"
      }
    },
    "node_modules/@npmcli/git": {
      "version": "6.0.3",
      "resolved": "https://registry.npmjs.org/@npmcli/git/-/git-6.0.3.tgz",
      "integrity": "sha512-GUYESQlxZRAdhs3UhbB6pVRNUELQOHXwK9ruDkwmCv2aZ5y0SApQzUJCg02p3A7Ue2J5hxvlk1YI53c00NmRyQ==",
      "license": "ISC",
      "dependencies": {
        "@npmcli/promise-spawn": "^8.0.0",
        "ini": "^5.0.0",
        "lru-cache": "^10.0.1",
        "npm-pick-manifest": "^10.0.0",
        "proc-log": "^5.0.0",
        "promise-retry": "^2.0.1",
        "semver": "^7.3.5",
        "which": "^5.0.0"
      },
      "engines": {
        "node": "^18.17.0 || >=20.5.0"
      }
    },
    "node_modules/@npmcli/map-workspaces": {
      "version": "4.0.2",
      "resolved": "https://registry.npmjs.org/@npmcli/map-workspaces/-/map-workspaces-4.0.2.tgz",
      "integrity": "sha512-mnuMuibEbkaBTYj9HQ3dMe6L0ylYW+s/gfz7tBDMFY/la0w9Kf44P9aLn4/+/t3aTR3YUHKoT6XQL9rlicIe3Q==",
      "license": "ISC",
      "dependencies": {
        "@npmcli/name-from-folder": "^3.0.0",
        "@npmcli/package-json": "^6.0.0",
        "glob": "^10.2.2",
        "minimatch": "^9.0.0"
      },
      "engines": {
        "node": "^18.17.0 || >=20.5.0"
      }
    },
    "node_modules/@npmcli/name-from-folder": {
      "version": "3.0.0",
      "resolved": "https://registry.npmjs.org/@npmcli/name-from-folder/-/name-from-folder-3.0.0.tgz",
      "integrity": "sha512-61cDL8LUc9y80fXn+lir+iVt8IS0xHqEKwPu/5jCjxQTVoSCmkXvw4vbMrzAMtmghz3/AkiBjhHkDKUH+kf7kA==",
      "license": "ISC",
      "engines": {
        "node": "^18.17.0 || >=20.5.0"
      }
    },
    "node_modules/@npmcli/package-json": {
      "version": "6.2.0",
      "resolved": "https://registry.npmjs.org/@npmcli/package-json/-/package-json-6.2.0.tgz",
      "integrity": "sha512-rCNLSB/JzNvot0SEyXqWZ7tX2B5dD2a1br2Dp0vSYVo5jh8Z0EZ7lS9TsZ1UtziddB1UfNUaMCc538/HztnJGA==",
      "license": "ISC",
      "dependencies": {
        "@npmcli/git": "^6.0.0",
        "glob": "^10.2.2",
        "hosted-git-info": "^8.0.0",
        "json-parse-even-better-errors": "^4.0.0",
        "proc-log": "^5.0.0",
        "semver": "^7.5.3",
        "validate-npm-package-license": "^3.0.4"
      },
      "engines": {
        "node": "^18.17.0 || >=20.5.0"
      }
    },
    "node_modules/@npmcli/promise-spawn": {
      "version": "8.0.3",
      "resolved": "https://registry.npmjs.org/@npmcli/promise-spawn/-/promise-spawn-8.0.3.tgz",
      "integrity": "sha512-Yb00SWaL4F8w+K8YGhQ55+xE4RUNdMHV43WZGsiTM92gS+lC0mGsn7I4hLug7pbao035S6bj3Y3w0cUNGLfmkg==",
      "license": "ISC",
      "dependencies": {
        "which": "^5.0.0"
      },
      "engines": {
        "node": "^18.17.0 || >=20.5.0"
      }
    },
    "node_modules/@pkgjs/parseargs": {
      "version": "0.11.0",
      "resolved": "https://registry.npmjs.org/@pkgjs/parseargs/-/parseargs-0.11.0.tgz",
      "integrity": "sha512-+1VkjdD0QBLPodGrJUeqarH8VAIvQODIbwh9XpP5Syisf7YoQgsJKPNFoqqLQlu+VQ/tVSshMR6loPMn8U+dPg==",
      "license": "MIT",
      "optional": true,
      "engines": {
        "node": ">=14"
      }
    },
    "node_modules/abbrev": {
      "version": "3.0.1",
      "resolved": "https://registry.npmjs.org/abbrev/-/abbrev-3.0.1.tgz",
      "integrity": "sha512-AO2ac6pjRB3SJmGJo+v5/aK6Omggp6fsLrs6wN9bd35ulu4cCwaAU9+7ZhXjeqHVkaHThLuzH0nZr0YpCDhygg==",
      "license": "ISC",
      "engines": {
        "node": "^18.17.0 || >=20.5.0"
      }
    },
    "node_modules/ansi-regex": {
      "version": "6.4.0",
      "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-6.4.0.tgz",
      "integrity": "sha512-KzTVk2tCWAHtYrvvvaP8bJKJq2pVinhLcGEQdtLIYPbmNGNyYe8QwNaTUYQp2J7/vIsUKt5QCqAfUkYyG9DkOw==",
      "license": "MIT",
      "engines": {
        "node": ">=12"
      },
      "funding": {
        "url": "https://github.com/chalk/ansi-regex?sponsor=1"
      }
    },
    "node_modules/ansi-styles": {
      "version": "6.2.3",
      "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-6.2.3.tgz",
      "integrity": "sha512-4Dj6M28JB+oAH8kFkTLUo+a2jwOFkuqb3yucU0CANcRRUbxS0cP0nZYCGjcc3BNXwRIsUVmDGgzawme7zvJHvg==",
      "license": "MIT",
      "engines": {
        "node": ">=12"
      },
      "funding": {
        "url": "https://github.com/chalk/ansi-styles?sponsor=1"
      }
    },
    "node_modules/balanced-match": {
      "version": "1.0.2",
      "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.2.tgz",
      "integrity": "sha512-3oSeUO0TMV67hN1AmbXsK4yaqU7tjiHlbxRDZOpH0KW9+CeX4bRAaX0Anxt0tx2MrpRpWwQaPwIlISEJhYU5Pw==",
      "license": "MIT"
    },
    "node_modules/brace-expansion": {
      "version": "2.1.7",
      "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-2.1.7.tgz",
      "integrity": "sha512-uZbew1NqdmPDTMJ8ah1y+b+9QEJrfkXFk3RcTQw3X0jW/xRUvFKsg1CfQdSYGdTbXZWExtU3J3ccxtnfw1Fi0g==",
      "license": "MIT",
      "dependencies": {
        "balanced-match": "^1.0.0"
      }
    },
    "node_modules/ci-info": {
      "version": "4.4.0",
      "resolved": "https://registry.npmjs.org/ci-info/-/ci-info-4.4.0.tgz",
      "integrity": "sha512-77PSwercCZU2Fc4sX94eF8k8Pxte6JAwL4/ICZLFjJLqegs7kCuAsqqj/70NQF6TvDpgFjkubQB2FW2ZZddvQg==",
      "funding": [
        {
          "type": "github",
          "url": "https://github.com/sponsors/sibiraj-s"
        }
      ],
      "license": "MIT",
      "engines": {
        "node": ">=8"
      }
    },
    "node_modules/color-convert": {
      "version": "2.0.1",
      "resolved": "https://registry.npmjs.org/color-convert/-/color-convert-2.0.1.tgz",
      "integrity": "sha512-RRECPsj7iu/xb5oKYcsFHSppFNnsj/52OVTRKb4zP5onXwVF3zVmmToNcOfGC+CRDpfK/U584fMg38ZHCaElKQ==",
      "license": "MIT",
      "dependencies": {
        "color-name": "~1.1.4"
      },
      "engines": {
        "node": ">=7.0.0"
      }
    },
    "node_modules/color-name": {
      "version": "1.1.4",
      "resolved": "https://registry.npmjs.org/color-name/-/color-name-1.1.4.tgz",
      "integrity": "sha512-dOy+3AuW3a2wNbZHIuMZpTcgjGuLU/uBL/ubcZF9OXbDo8ff4O8yVp5Bf0efS8uEoYo5q4Fx7dY9OgQGXgAsQA==",
      "license": "MIT"
    },
    "node_modules/cross-spawn": {
      "version": "7.0.6",
      "resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-7.0.6.tgz",
      "integrity": "sha512-uV2QOWP2nWzsy2aMp8aRibhi9dlzF5Hgh5SHaB9OiTGEyDTiJJyx0uy51QXdyWbtAHNua4XJzUKca3OzKUd3vA==",
      "license": "MIT",
      "dependencies": {
        "path-key": "^3.1.0",
        "shebang-command": "^2.0.0",
        "which": "^2.0.1"
      },
      "engines": {
        "node": ">= 8"
      }
    },
    "node_modules/cross-spawn/node_modules/isexe": {
      "version": "2.0.0",
      "resolved": "https://registry.npmjs.org/isexe/-/isexe-2.0.0.tgz",
      "integrity": "sha512-RHxMLp9lnKHGHRng9QFhRCMbYAcVpn69smSGcq3f36xjgVVWThj4qqLbTLlq7Ssj8B+fIQ1EuCEGI2lKsyQeIw==",
      "license": "ISC"
    },
    "node_modules/cross-spawn/node_modules/which": {
      "version": "2.0.2",
      "resolved": "https://registry.npmjs.org/which/-/which-2.0.2.tgz",
      "integrity": "sha512-BLI3Tl1TW3Pvl70l3yq3Y64i+awpwXqsGBYWkkqMtnbXgrMD+yj7rhW0kuEDxzJaYXGjEW5ogapKNMEKNMjibA==",
      "license": "ISC",
      "dependencies": {
        "isexe": "^2.0.0"
      },
      "bin": {
        "node-which": "bin/node-which"
      },
      "engines": {
        "node": ">= 8"
      }
    },
    "node_modules/eastasianwidth": {
      "version": "0.2.0",
      "resolved": "https://registry.npmjs.org/eastasianwidth/-/eastasianwidth-0.2.0.tgz",
      "integrity": "sha512-I88TYZWc9XiYHRQ4/3c5rjjfgkjhLyW2luGIheGERbNQ6OY7yTybanSpDXZa8y7VUP9YmDcYa+eyq4ca7iLqWA==",
      "license": "MIT"
    },
    "node_modules/emoji-regex": {
      "version": "9.2.2",
      "resolved": "https://registry.npmjs.org/emoji-regex/-/emoji-regex-9.2.2.tgz",
      "integrity": "sha512-L18DaJsXSUk2+42pv8mLs5jJT2hqFkFE4j21wOmgbUqsZ2hL72NsUU785g9RXgo3s0ZNgVl42TiHp3ZtOv/Vyg==",
      "license": "MIT"
    },
    "node_modules/err-code": {
      "version": "2.0.3",
      "resolved": "https://registry.npmjs.org/err-code/-/err-code-2.0.3.tgz",
      "integrity": "sha512-2bmlRpNKBxT/CRmPOlyISQpNj+qSeYvcym/uT0Jx2bMOlKLtSy1ZmLuVxSEKKyor/N5yhvp/ZiG1oE3DEYMSFA==",
      "license": "MIT"
    },
    "node_modules/foreground-child": {
      "version": "3.3.1",
      "resolved": "https://registry.npmjs.org/foreground-child/-/foreground-child-3.3.1.tgz",
      "integrity": "sha512-gIXjKqtFuWEgzFRJA9WCQeSJLZDjgJUOMCMzxtvFq/37KojM1BFGufqsCy0r4qSQmYLsZYMeyRqzIWOMup03sw==",
      "license": "ISC",
      "dependencies": {
        "cross-spawn": "^7.0.6",
        "signal-exit": "^4.0.1"
      },
      "engines": {
        "node": ">=14"
      },
      "funding": {
        "url": "https://github.com/sponsors/isaacs"
      }
    },
    "node_modules/glob": {
      "version": "10.5.0",
      "resolved": "https://registry.npmjs.org/glob/-/glob-10.5.0.tgz",
      "integrity": "sha512-DfXN8DfhJ7NH3Oe7cFmu3NCu1wKbkReJ8TorzSAFbSKrlNaQSKfIzqYqVY8zlbs2NLBbWpRiU52GX2PbaBVNkg==",
      "deprecated": "Old versions of glob are not supported, and contain widely publicized security vulnerabilities, which have been fixed in the current version. Please update. Support for old versions may be purchased (at exorbitant rates) by contacting i@izs.me",
      "license": "ISC",
      "dependencies": {
        "foreground-child": "^3.1.0",
        "jackspeak": "^3.1.2",
        "minimatch": "^9.0.4",
        "minipass": "^7.1.2",
        "package-json-from-dist": "^1.0.0",
        "path-scurry": "^1.11.1"
      },
      "bin": {
        "glob": "dist/esm/bin.mjs"
      },
      "funding": {
        "url": "https://github.com/sponsors/isaacs"
      }
    },
    "node_modules/hosted-git-info": {
      "version": "8.1.0",
      "resolved": "https://registry.npmjs.org/hosted-git-info/-/hosted-git-info-8.1.0.tgz",
      "integrity": "sha512-Rw/B2DNQaPBICNXEm8balFz9a6WpZrkCGpcWFpy7nCj+NyhSdqXipmfvtmWt9xGfp0wZnBxB+iVpLmQMYt47Tw==",
      "license": "ISC",
      "dependencies": {
        "lru-cache": "^10.0.1"
      },
      "engines": {
        "node": "^18.17.0 || >=20.5.0"
      }
    },
    "node_modules/ini": {
      "version": "5.0.0",
      "resolved": "https://registry.npmjs.org/ini/-/ini-5.0.0.tgz",
      "integrity": "sha512-+N0ngpO3e7cRUWOJAS7qw0IZIVc6XPrW4MlFBdD066F2L4k1L6ker3hLqSq7iXxU5tgS4WGkIUElWn5vogAEnw==",
      "license": "ISC",
      "engines": {
        "node": "^18.17.0 || >=20.5.0"
      }
    },
    "node_modules/is-fullwidth-code-point": {
      "version": "3.0.0",
      "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-3.0.0.tgz",
      "integrity": "sha512-zymm5+u+sCsSWyD9qNaejV3DFvhCKclKdizYaJUuHA83RLjb7nSuGnddCHGv0hk+KY7BMAlsWeK4Ueg6EV6XQg==",
      "license": "MIT",
      "engines": {
        "node": ">=8"
      }
    },
    "node_modules/isexe": {
      "version": "3.1.5",
      "resolved": "https://registry.npmjs.org/isexe/-/isexe-3.1.5.tgz",
      "integrity": "sha512-6B3tLtFqtQS4ekarvLVMZ+X+VlvQekbe4taUkf/rhVO3d/h0M2rfARm/pXLcPEsjjMsFgrFgSrhQIxcSVrBz8w==",
      "license": "BlueOak-1.0.0",
      "engines": {
        "node": ">=18"
      }
    },
    "node_modules/jackspeak": {
      "version": "3.4.3",
      "resolved": "https://registry.npmjs.org/jackspeak/-/jackspeak-3.4.3.tgz",
      "integrity": "sha512-OGlZQpz2yfahA/Rd1Y8Cd9SIEsqvXkLVoSw/cgwhnhFMDbsQFeZYoJJ7bIZBS9BcamUW96asq/npPWugM+RQBw==",
      "license": "BlueOak-1.0.0",
      "dependencies": {
        "@isaacs/cliui": "^8.0.2"
      },
      "funding": {
        "url": "https://github.com/sponsors/isaacs"
      },
      "optionalDependencies": {
        "@pkgjs/parseargs": "^0.11.0"
      }
    },
    "node_modules/json-parse-even-better-errors": {
      "version": "4.0.0",
      "resolved": "https://registry.npmjs.org/json-parse-even-better-errors/-/json-parse-even-better-errors-4.0.0.tgz",
      "integrity": "sha512-lR4MXjGNgkJc7tkQ97kb2nuEMnNCyU//XYVH0MKTGcXEiSudQ5MKGKen3C5QubYy0vmq+JGitUg92uuywGEwIA==",
      "license": "MIT",
      "engines": {
        "node": "^18.17.0 || >=20.5.0"
      }
    },
    "node_modules/lru-cache": {
      "version": "10.4.3",
      "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-10.4.3.tgz",
      "integrity": "sha512-JNAzZcXrCt42VGLuYz0zfAzDfAvJWW6AfYlDBQyDV5DClI2m5sAmK+OIO7s59XfsRsWHp02jAJrRadPRGTt6SQ==",
      "license": "ISC"
    },
    "node_modules/minimatch": {
      "version": "9.0.9",
      "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-9.0.9.tgz",
      "integrity": "sha512-OBwBN9AL4dqmETlpS2zasx+vTeWclWzkblfZk7KTA5j3jeOONz/tRCnZomUyvNg83wL5Zv9Ss6HMJXAgL8R2Yg==",
      "license": "ISC",
      "dependencies": {
        "brace-expansion": "^2.0.2"
      },
      "engines": {
        "node": ">=16 || 14 >=14.17"
      },
      "funding": {
        "url": "https://github.com/sponsors/isaacs"
      }
    },
    "node_modules/minipass": {
      "version": "7.1.3",
      "resolved": "https://registry.npmjs.org/minipass/-/minipass-7.1.3.tgz",
      "integrity": "sha512-tEBHqDnIoM/1rXME1zgka9g6Q2lcoCkxHLuc7ODJ5BxbP5d4c2Z5cGgtXAku59200Cx7diuHTOYfSBD8n6mm8A==",
      "license": "BlueOak-1.0.0",
      "engines": {
        "node": ">=16 || 14 >=14.17"
      }
    },
    "node_modules/nopt": {
      "version": "8.1.0",
      "resolved": "https://registry.npmjs.org/nopt/-/nopt-8.1.0.tgz",
      "integrity": "sha512-ieGu42u/Qsa4TFktmaKEwM6MQH0pOWnaB3htzh0JRtx84+Mebc0cbZYN5bC+6WTZ4+77xrL9Pn5m7CV6VIkV7A==",
      "license": "ISC",
      "dependencies": {
        "abbrev": "^3.0.0"
      },
      "bin": {
        "nopt": "bin/nopt.js"
      },
      "engines": {
        "node": "^18.17.0 || >=20.5.0"
      }
    },
    "node_modules/npm-install-checks": {
      "version": "7.1.2",
      "resolved": "https://registry.npmjs.org/npm-install-checks/-/npm-install-checks-7.1.2.tgz",
      "integrity": "sha512-z9HJBCYw9Zr8BqXcllKIs5nI+QggAImbBdHphOzVYrz2CB4iQ6FzWyKmlqDZua+51nAu7FcemlbTc9VgQN5XDQ==",
      "license": "BSD-2-Clause",
      "dependencies": {
        "semver": "^7.1.1"
      },
      "engines": {
        "node": "^18.17.0 || >=20.5.0"
      }
    },
    "node_modules/npm-normalize-package-bin": {
      "version": "4.0.0",
      "resolved": "https://registry.npmjs.org/npm-normalize-package-bin/-/npm-normalize-package-bin-4.0.0.tgz",
      "integrity": "sha512-TZKxPvItzai9kN9H/TkmCtx/ZN/hvr3vUycjlfmH0ootY9yFBzNOpiXAdIn1Iteqsvk4lQn6B5PTrt+n6h8k/w==",
      "license": "ISC",
      "engines": {
        "node": "^18.17.0 || >=20.5.0"
      }
    },
    "node_modules/npm-package-arg": {
      "version": "12.0.2",
      "resolved": "https://registry.npmjs.org/npm-package-arg/-/npm-package-arg-12.0.2.tgz",
      "integrity": "sha512-f1NpFjNI9O4VbKMOlA5QoBq/vSQPORHcTZ2feJpFkTHJ9eQkdlmZEKSjcAhxTGInC7RlEyScT9ui67NaOsjFWA==",
      "license": "ISC",
      "dependencies": {
        "hosted-git-info": "^8.0.0",
        "proc-log": "^5.0.0",
        "semver": "^7.3.5",
        "validate-npm-package-name": "^6.0.0"
      },
      "engines": {
        "node": "^18.17.0 || >=20.5.0"
      }
    },
    "node_modules/npm-pick-manifest": {
      "version": "10.0.0",
      "resolved": "https://registry.npmjs.org/npm-pick-manifest/-/npm-pick-manifest-10.0.0.tgz",
      "integrity": "sha512-r4fFa4FqYY8xaM7fHecQ9Z2nE9hgNfJR+EmoKv0+chvzWkBcORX3r0FpTByP+CbOVJDladMXnPQGVN8PBLGuTQ==",
      "license": "ISC",
      "dependencies": {
        "npm-install-checks": "^7.1.0",
        "npm-normalize-package-bin": "^4.0.0",
        "npm-package-arg": "^12.0.0",
        "semver": "^7.3.5"
      },
      "engines": {
        "node": "^18.17.0 || >=20.5.0"
      }
    },
    "node_modules/package-json-from-dist": {
      "version": "1.0.1",
      "resolved": "https://registry.npmjs.org/package-json-from-dist/-/package-json-from-dist-1.0.1.tgz",
      "integrity": "sha512-UEZIS3/by4OC8vL3P2dTXRETpebLI2NiI5vIrjaD/5UtrkFX/tNbwjTSRAGC/+7CAo2pIcBaRgWmcBBHcsaCIw==",
      "license": "BlueOak-1.0.0"
    },
    "node_modules/path-key": {
      "version": "3.1.1",
      "resolved": "https://registry.npmjs.org/path-key/-/path-key-3.1.1.tgz",
      "integrity": "sha512-ojmeN0qd+y0jszEtoY48r0Peq5dwMEkIlCOu6Q5f41lfkswXuKtYrhgoTpLnyIcHm24Uhqx+5Tqm2InSwLhE6Q==",
      "license": "MIT",
      "engines": {
        "node": ">=8"
      }
    },
    "node_modules/path-scurry": {
      "version": "1.11.1",
      "resolved": "https://registry.npmjs.org/path-scurry/-/path-scurry-1.11.1.tgz",
      "integrity": "sha512-Xa4Nw17FS9ApQFJ9umLiJS4orGjm7ZzwUrwamcGQuHSzDyth9boKDaycYdDcZDuqYATXw4HFXgaqWTctW/v1HA==",
      "license": "BlueOak-1.0.0",
      "dependencies": {
        "lru-cache": "^10.2.0",
        "minipass": "^5.0.0 || ^6.0.2 || ^7.0.0"
      },
      "engines": {
        "node": ">=16 || 14 >=14.18"
      },
      "funding": {
        "url": "https://github.com/sponsors/isaacs"
      }
    },
    "node_modules/proc-log": {
      "version": "5.0.0",
      "resolved": "https://registry.npmjs.org/proc-log/-/proc-log-5.0.0.tgz",
      "integrity": "sha512-Azwzvl90HaF0aCz1JrDdXQykFakSSNPaPoiZ9fm5qJIMHioDZEi7OAdRwSm6rSoPtY3Qutnm3L7ogmg3dc+wbQ==",
      "license": "ISC",
      "engines": {
        "node": "^18.17.0 || >=20.5.0"
      }
    },
    "node_modules/promise-retry": {
      "version": "2.0.1",
      "resolved": "https://registry.npmjs.org/promise-retry/-/promise-retry-2.0.1.tgz",
      "integrity": "sha512-y+WKFlBR8BGXnsNlIHFGPZmyDf3DFMoLhaflAnyZgV6rG6xu+JwesTo2Q9R6XwYmtmwAFCkAk3e35jEdoeh/3g==",
      "license": "MIT",
      "dependencies": {
        "err-code": "^2.0.2",
        "retry": "^0.12.0"
      },
      "engines": {
        "node": ">=10"
      }
    },
    "node_modules/retry": {
      "version": "0.12.0",
      "resolved": "https://registry.npmjs.org/retry/-/retry-0.12.0.tgz",
      "integrity": "sha512-9LkiTwjUh6rT555DtE9rTX+BKByPfrMzEAtnlEtdEwr3Nkffwiihqe2bWADg+OQRjt9gl6ICdmB/ZFDCGAtSow==",
      "license": "MIT",
      "engines": {
        "node": ">= 4"
      }
    },
    "node_modules/semver": {
      "version": "7.8.5",
      "resolved": "https://registry.npmjs.org/semver/-/semver-7.8.5.tgz",
      "integrity": "sha512-Y7/KDsb8LjooZpwaqGyulO6DQlksgCncchHGk+sZIY4SBvUocMBEFH5Ur1fI4dV+Jvl0w6cjvucaIi40puRioA==",
      "license": "ISC",
      "bin": {
        "semver": "bin/semver.js"
      },
      "engines": {
        "node": ">=10"
      }
    },
    "node_modules/shebang-command": {
      "version": "2.0.0",
      "resolved": "https://registry.npmjs.org/shebang-command/-/shebang-command-2.0.0.tgz",
      "integrity": "sha512-kHxr2zZpYtdmrN1qDjrrX/Z1rR1kG8Dx+gkpK1G4eXmvXswmcE1hTWBWYUzlraYw1/yZp6YuDY77YtvbN0dmDA==",
      "license": "MIT",
      "dependencies": {
        "shebang-regex": "^3.0.0"
      },
      "engines": {
        "node": ">=8"
      }
    },
    "node_modules/shebang-regex": {
      "version": "3.0.0",
      "resolved": "https://registry.npmjs.org/shebang-regex/-/shebang-regex-3.0.0.tgz",
      "integrity": "sha512-7++dFhtcx3353uBaq8DDR4NuxBetBzC7ZQOhmTQInHEd6bSrXdiEyzCvG07Z44UYdLShWUyXt5M/yhz8ekcb1A==",
      "license": "MIT",
      "engines": {
        "node": ">=8"
      }
    },
    "node_modules/signal-exit": {
      "version": "4.1.0",
      "resolved": "https://registry.npmjs.org/signal-exit/-/signal-exit-4.1.0.tgz",
      "integrity": "sha512-bzyZ1e88w9O1iNJbKnOlvYTrWPDl46O1bG0D3XInv+9tkPrxrN8jUUTiFlDkkmKWgn1M6CfIA13SuGqOa9Korw==",
      "license": "ISC",
      "engines": {
        "node": ">=14"
      },
      "funding": {
        "url": "https://github.com/sponsors/isaacs"
      }
    },
    "node_modules/spdx-correct": {
      "version": "3.2.0",
      "resolved": "https://registry.npmjs.org/spdx-correct/-/spdx-correct-3.2.0.tgz",
      "integrity": "sha512-kN9dJbvnySHULIluDHy32WHRUu3Og7B9sbY7tsFLctQkIqnMh3hErYgdMjTYuqmcXX+lK5T1lnUt3G7zNswmZA==",
      "license": "Apache-2.0",
      "dependencies": {
        "spdx-expression-parse": "^3.0.0",
        "spdx-license-ids": "^3.0.0"
      }
    },
    "node_modules/spdx-exceptions": {
      "version": "2.5.0",
      "resolved": "https://registry.npmjs.org/spdx-exceptions/-/spdx-exceptions-2.5.0.tgz",
      "integrity": "sha512-PiU42r+xO4UbUS1buo3LPJkjlO7430Xn5SVAhdpzzsPHsjbYVflnnFdATgabnLude+Cqu25p6N+g2lw/PFsa4w==",
      "license": "CC-BY-3.0"
    },
    "node_modules/spdx-expression-parse": {
      "version": "3.0.1",
      "resolved": "https://registry.npmjs.org/spdx-expression-parse/-/spdx-expression-parse-3.0.1.tgz",
      "integrity": "sha512-cbqHunsQWnJNE6KhVSMsMeH5H/L9EpymbzqTQ3uLwNCLZ1Q481oWaofqH7nO6V07xlXwY6PhQdQ2IedWx/ZK4Q==",
      "license": "MIT",
      "dependencies": {
        "spdx-exceptions": "^2.1.0",
        "spdx-license-ids": "^3.0.0"
      }
    },
    "node_modules/spdx-license-ids": {
      "version": "3.0.24",
      "resolved": "https://registry.npmjs.org/spdx-license-ids/-/spdx-license-ids-3.0.24.tgz",
      "integrity": "sha512-cLS9TtWkIQFyLkJ3/5aFQAOHOSKTlOs/7WDut/XPSdjom1fJhUdkepeJAKXa9Y05+FabHd0sti+Et559vDtkpQ==",
      "license": "CC0-1.0"
    },
    "node_modules/string-width": {
      "version": "5.1.2",
      "resolved": "https://registry.npmjs.org/string-width/-/string-width-5.1.2.tgz",
      "integrity": "sha512-HnLOCR3vjcY8beoNLtcjZ5/nxn2afmME6lhrDrebokqMap+XbeW8n9TXpPDOqdGK5qcI3oT0GKTW6wC7EMiVqA==",
      "license": "MIT",
      "dependencies": {
        "eastasianwidth": "^0.2.0",
        "emoji-regex": "^9.2.2",
        "strip-ansi": "^7.0.1"
      },
      "engines": {
        "node": ">=12"
      },
      "funding": {
        "url": "https://github.com/sponsors/sindresorhus"
      }
    },
    "node_modules/string-width-cjs": {
      "name": "string-width",
      "version": "4.2.3",
      "resolved": "https://registry.npmjs.org/string-width/-/string-width-4.2.3.tgz",
      "integrity": "sha512-wKyQRQpjJ0sIp62ErSZdGsjMJWsap5oRNihHhu6G7JVO/9jIB6UyevL+tXuOqrng8j/cxKTWyWUwvSTriiZz/g==",
      "license": "MIT",
      "dependencies": {
        "emoji-regex": "^8.0.0",
        "is-fullwidth-code-point": "^3.0.0",
        "strip-ansi": "^6.0.1"
      },
      "engines": {
        "node": ">=8"
      }
    },
    "node_modules/string-width-cjs/node_modules/ansi-regex": {
      "version": "5.0.1",
      "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-5.0.1.tgz",
      "integrity": "sha512-quJQXlTSUGL2LH9SUXo8VwsY4soanhgo6LNSm84E1LBcE8s3O0wpdiRzyR9z/ZZJMlMWv37qOOb9pdJlMUEKFQ==",
      "license": "MIT",
      "engines": {
        "node": ">=8"
      }
    },
    "node_modules/string-width-cjs/node_modules/emoji-regex": {
      "version": "8.0.0",
      "resolved": "https://registry.npmjs.org/emoji-regex/-/emoji-regex-8.0.0.tgz",
      "integrity": "sha512-MSjYzcWNOA0ewAHpz0MxpYFvwg6yjy1NG3xteoqz644VCo/RPgnr1/GGt+ic3iJTzQ8Eu3TdM14SawnVUmGE6A==",
      "license": "MIT"
    },
    "node_modules/string-width-cjs/node_modules/strip-ansi": {
      "version": "6.0.1",
      "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-6.0.1.tgz",
      "integrity": "sha512-Y38VPSHcqkFrCpFnQ9vuSXmquuv5oXOKpGeT6aGrr3o3Gc9AlVa6JBfUSOCnbxGGZF+/0ooI7KrPuUSztUdU5A==",
      "license": "MIT",
      "dependencies": {
        "ansi-regex": "^5.0.1"
      },
      "engines": {
        "node": ">=8"
      }
    },
    "node_modules/strip-ansi": {
      "version": "7.2.0",
      "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-7.2.0.tgz",
      "integrity": "sha512-yDPMNjp4WyfYBkHnjIRLfca1i6KMyGCtsVgoKe/z1+6vukgaENdgGBZt+ZmKPc4gavvEZ5OgHfHdrazhgNyG7w==",
      "license": "MIT",
      "dependencies": {
        "ansi-regex": "^6.2.2"
      },
      "engines": {
        "node": ">=12"
      },
      "funding": {
        "url": "https://github.com/chalk/strip-ansi?sponsor=1"
      }
    },
    "node_modules/strip-ansi-cjs": {
      "name": "strip-ansi",
      "version": "6.0.1",
      "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-6.0.1.tgz",
      "integrity": "sha512-Y38VPSHcqkFrCpFnQ9vuSXmquuv5oXOKpGeT6aGrr3o3Gc9AlVa6JBfUSOCnbxGGZF+/0ooI7KrPuUSztUdU5A==",
      "license": "MIT",
      "dependencies": {
        "ansi-regex": "^5.0.1"
      },
      "engines": {
        "node": ">=8"
      }
    },
    "node_modules/strip-ansi-cjs/node_modules/ansi-regex": {
      "version": "5.0.1",
      "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-5.0.1.tgz",
      "integrity": "sha512-quJQXlTSUGL2LH9SUXo8VwsY4soanhgo6LNSm84E1LBcE8s3O0wpdiRzyR9z/ZZJMlMWv37qOOb9pdJlMUEKFQ==",
      "license": "MIT",
      "engines": {
        "node": ">=8"
      }
    },
    "node_modules/validate-npm-package-license": {
      "version": "3.0.4",
      "resolved": "https://registry.npmjs.org/validate-npm-package-license/-/validate-npm-package-license-3.0.4.tgz",
      "integrity": "sha512-DpKm2Ui/xN7/HQKCtpZxoRWBhZ9Z0kqtygG8XCgNQ8ZlDnxuQmWhj566j8fN4Cu3/JmbhsDo7fcAJq4s9h27Ew==",
      "license": "Apache-2.0",
      "dependencies": {
        "spdx-correct": "^3.0.0",
        "spdx-expression-parse": "^3.0.0"
      }
    },
    "node_modules/validate-npm-package-name": {
      "version": "6.0.2",
      "resolved": "https://registry.npmjs.org/validate-npm-package-name/-/validate-npm-package-name-6.0.2.tgz",
      "integrity": "sha512-IUoow1YUtvoBBC06dXs8bR8B9vuA3aJfmQNKMoaPG/OFsPmoQvw8xh+6Ye25Gx9DQhoEom3Pcu9MKHerm/NpUQ==",
      "license": "ISC",
      "engines": {
        "node": "^18.17.0 || >=20.5.0"
      }
    },
    "node_modules/walk-up-path": {
      "version": "3.0.1",
      "resolved": "https://registry.npmjs.org/walk-up-path/-/walk-up-path-3.0.1.tgz",
      "integrity": "sha512-9YlCL/ynK3CTlrSRrDxZvUauLzAswPCrsaCgilqFevUYpeEW0/3ScEjaa3kbW/T0ghhkEr7mv+fpjqn1Y1YuTA==",
      "license": "ISC"
    },
    "node_modules/which": {
      "version": "5.0.0",
      "resolved": "https://registry.npmjs.org/which/-/which-5.0.0.tgz",
      "integrity": "sha512-JEdGzHwwkrbWoGOlIHqQ5gtprKGOenpDHpxE9zVR1bWbOtYRyPPHMe9FaP6x61CmNaTThSkb0DAJte5jD+DmzQ==",
      "license": "ISC",
      "dependencies": {
        "isexe": "^3.1.1"
      },
      "bin": {
        "node-which": "bin/which.js"
      },
      "engines": {
        "node": "^18.17.0 || >=20.5.0"
      }
    },
    "node_modules/wrap-ansi": {
      "version": "8.1.0",
      "resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-8.1.0.tgz",
      "integrity": "sha512-si7QWI6zUMq56bESFvagtmzMdGOtoxfR+Sez11Mobfc7tm+VkUckk9bW2UeffTGVUbOksxmSw0AA2gs8g71NCQ==",
      "license": "MIT",
      "dependencies": {
        "ansi-styles": "^6.1.0",
        "string-width": "^5.0.1",
        "strip-ansi": "^7.0.1"
      },
      "engines": {
        "node": ">=12"
      },
      "funding": {
        "url": "https://github.com/chalk/wrap-ansi?sponsor=1"
      }
    },
    "node_modules/wrap-ansi-cjs": {
      "name": "wrap-ansi",
      "version": "7.0.0",
      "resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-7.0.0.tgz",
      "integrity": "sha512-YVGIj2kamLSTxw6NsZjoBxfSwsn0ycdesmc4p+Q21c5zPuZ1pl+NfxVdxPtdHvmNVOQ6XSYG4AUtyt/Fi7D16Q==",
      "license": "MIT",
      "dependencies": {
        "ansi-styles": "^4.0.0",
        "string-width": "^4.1.0",
        "strip-ansi": "^6.0.0"
      },
      "engines": {
        "node": ">=10"
      },
      "funding": {
        "url": "https://github.com/chalk/wrap-ansi?sponsor=1"
      }
    },
    "node_modules/wrap-ansi-cjs/node_modules/ansi-regex": {
      "version": "5.0.1",
      "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-5.0.1.tgz",
      "integrity": "sha512-quJQXlTSUGL2LH9SUXo8VwsY4soanhgo6LNSm84E1LBcE8s3O0wpdiRzyR9z/ZZJMlMWv37qOOb9pdJlMUEKFQ==",
      "license": "MIT",
      "engines": {
        "node": ">=8"
      }
    },
    "node_modules/wrap-ansi-cjs/node_modules/ansi-styles": {
      "version": "4.3.0",
      "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-4.3.0.tgz",
      "integrity": "sha512-zbB9rCJAT1rbjiVDb2hqKFHNYLxgtk8NURxZ3IZwD3F6NtxbXZQCnnSi1Lkx+IDohdPlFp222wVALIheZJQSEg==",
      "license": "MIT",
      "dependencies": {
        "color-convert": "^2.0.1"
      },
      "engines": {
        "node": ">=8"
      },
      "funding": {
        "url": "https://github.com/chalk/ansi-styles?sponsor=1"
      }
    },
    "node_modules/wrap-ansi-cjs/node_modules/emoji-regex": {
      "version": "8.0.0",
      "resolved": "https://registry.npmjs.org/emoji-regex/-/emoji-regex-8.0.0.tgz",
      "integrity": "sha512-MSjYzcWNOA0ewAHpz0MxpYFvwg6yjy1NG3xteoqz644VCo/RPgnr1/GGt+ic3iJTzQ8Eu3TdM14SawnVUmGE6A==",
      "license": "MIT"
    },
    "node_modules/wrap-ansi-cjs/node_modules/string-width": {
      "version": "4.2.3",
      "resolved": "https://registry.npmjs.org/string-width/-/string-width-4.2.3.tgz",
      "integrity": "sha512-wKyQRQpjJ0sIp62ErSZdGsjMJWsap5oRNihHhu6G7JVO/9jIB6UyevL+tXuOqrng8j/cxKTWyWUwvSTriiZz/g==",
      "license": "MIT",
      "dependencies": {
        "emoji-regex": "^8.0.0",
        "is-fullwidth-code-point": "^3.0.0",
        "strip-ansi": "^6.0.1"
      },
      "engines": {
        "node": ">=8"
      }
    },
    "node_modules/wrap-ansi-cjs/node_modules/strip-ansi": {
      "version": "6.0.1",
      "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-6.0.1.tgz",
      "integrity": "sha512-Y38VPSHcqkFrCpFnQ9vuSXmquuv5oXOKpGeT6aGrr3o3Gc9AlVa6JBfUSOCnbxGGZF+/0ooI7KrPuUSztUdU5A==",
      "license": "MIT",
      "dependencies": {
        "ansi-regex": "^5.0.1"
      },
      "engines": {
        "node": ">=8"
      }
    }
  }
}
package.json
{
  "name": "sample",
  "version": "1.0.0",
  "private": true,
  "type": "module",
  "scripts": {
    "test": "node test/contract.mjs"
  },
  "dependencies": {
    "@npmcli/config": "9.0.0"
  }
}
spec.json
{
  "schemaVersion": 1,
  "goal": "verify pkg:npm/%40npmcli/config@9.0.0",
  "kind": "HOW",
  "packages": [
    "pkg:npm/%40npmcli/config@9.0.0"
  ]
}
src/index.mjs
import Config from '@npmcli/config'
import definitionsModule from '@npmcli/config/lib/definitions/index.js'

const { definitions, shorthands, flatten } = definitionsModule

export async function createLoadedConfig({
  npmPath = process.cwd(),
  cwd = process.cwd(),
  argv = ['node', 'npm'],
  env = {},
} = {}) {
  const config = new Config({
    npmPath,
    definitions,
    shorthands,
    flatten,
    argv,
    env,
    cwd,
    excludeNpmCwd: true,
  })
  await config.load()
  return config
}

export { Config, definitions, shorthands, flatten }
test/contract.mjs
import assert from 'node:assert/strict'
import { mkdtempSync, rmSync } from 'node:fs'
import { tmpdir } from 'node:os'
import { join } from 'node:path'
import { Config, createLoadedConfig, definitions, shorthands, flatten } from '../src/index.mjs'

const tempDir = mkdtempSync(join(tmpdir(), 'npmcli-config-'))

try {
  // 1. Reading before load() throws an error
  const unloaded = new Config({
    npmPath: tempDir,
    definitions,
    shorthands,
    flatten,
    argv: ['node', 'npm'],
    env: { HOME: tempDir },
    cwd: tempDir,
  })
  assert.equal(unloaded.loaded, false)
  assert.throws(
    () => unloaded.get('tag'),
    /call config\.load\(\) before reading values/
  )

  // 2. Load configuration with CLI shorthand/flags and environment variables
  const config = await createLoadedConfig({
    npmPath: tempDir,
    cwd: tempDir,
    argv: ['node', 'npm', '-s', '--save-exact'],
    env: {
      HOME: tempDir,
      npm_config_tag: 'next',
    },
  })

  assert.equal(config.loaded, true)

  // CLI shorthand -s maps to --loglevel silent
  assert.equal(config.get('loglevel'), 'silent')
  assert.equal(config.find('loglevel'), 'cli')
  assert.equal(config.isDefault('loglevel'), false)

  // CLI boolean flag --save-exact
  assert.equal(config.get('save-exact'), true)
  assert.equal(config.find('save-exact'), 'cli')

  // Environment variable npm_config_tag maps to 'tag' in 'env' layer
  assert.equal(config.get('tag'), 'next')
  assert.equal(config.get('tag', 'env'), 'next')
  assert.equal(config.get('tag', 'default'), 'latest')
  assert.equal(config.find('tag'), 'env')
  assert.equal(config.isDefault('tag'), false)

  // Default layer value remains untouched for unset options
  assert.equal(config.isDefault('init-version'), true)
  assert.equal(config.get('init-version'), '1.0.0')
  assert.equal(config.find('init-version'), 'default')

  // 3. Mutating via set() and delete(), and inspecting flattened options
  config.set('tag', 'beta', 'cli')
  assert.equal(config.get('tag'), 'beta')
  assert.equal(config.find('tag'), 'cli')
  assert.equal(config.flat.defaultTag, 'beta')
  assert.equal(config.flat.savePrefix, '')

  config.delete('tag', 'cli')
  assert.equal(config.get('tag'), 'next')
  assert.equal(config.find('tag'), 'env')

  // 4. Validating configuration state
  assert.equal(config.validate(), true)
  assert.equal(config.valid, true)
} finally {
  rmSync(tempDir, { recursive: true, force: true })
}

Исходный сидер

аноним