Exemplo

builder-util 26.15.3: target architecture mapping and KSUID generation with builder-util

Amostra verificada para npm builder-util 26.15.3: target architecture mapping and KSUID generation with builder-util. O contrato rodou em node 22 · linux…

sha256:d4b6e66a5095f4150f658e69f17d8c0107cd9404e5f9b30c4372490f8eeb618c

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

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…	2026-08-26

Caso

HOW

Objetivo: target architecture mapping and KSUID generation with builder-util
Pacotes: builder-util 26.15.3
Símbolos: Arch
archFromString
generateKsuid
getArchSuffix
toLinuxArchString
Ambiente: node 22.23.2
Criado: 2026-08-26T09:15:19Z

Contrato

assert Arch enum and archFromString map architecture strings to numeric enum values
assert getArchSuffix returns empty string for default x64 and hyphenated suffix for arm64
assert toLinuxArchString formats architecture names according to package target format
assert generateKsuid generates a 27-character base62 unique identifier

Arquivos

PROMPT.md
csx.json
package-lock.json
package.json
spec.json
src/index.js
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: target architecture mapping and KSUID generation with builder-util
Kind: HOW

Use EXACTLY these public packages and versions:
  - pkg:npm/builder-util@26.15.3
Demonstrate these symbols/APIs:
  - Arch
  - archFromString
  - generateKsuid
  - getArchSuffix
  - toLinuxArchString

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:sha256:09d468d808c1892b8ecbcba6a77c72cd8ed21605ea7fc8126fbf646a2ec57a61","contract":["assert Arch enum and archFromString map architecture strings to numeric enum values","assert getArchSuffix returns empty string for default x64 and hyphenated suffix for arm64","assert toLinuxArchString formats architecture names according to package target format","assert generateKsuid generates a 27-character base62 unique identifier"],"goal":"target architecture mapping and KSUID generation with builder-util","kind":"HOW","packages":["pkg:npm/builder-util@26.15.3"],"schemaVersion":1,"symbols":["Arch","archFromString","generateKsuid","getArchSuffix","toLinuxArchString"]},"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","runtime":"node","runtimeVersion":"22.23.2","schemaVersion":1},"license":"MIT-0","packages":["pkg:npm/builder-util@26.15.3"],"schemaVersion":1,"subject":"pkg:npm/builder-util@26.15.3","symbols":["Arch","archFromString","generateKsuid","getArchSuffix","toLinuxArchString"],"verifierAdapter":"node-typescript@1"}

package-lock.json

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      "license": "MIT",
      "engines": {
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      "license": "(WTFPL OR MIT)"
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      "license": "ISC",
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      "bin": {
        "node-which": "bin/node-which"
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      "engines": {
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}

package.json

{
  "name": "sample-builder-util",
  "version": "1.0.0",
  "private": true,
  "dependencies": {
    "builder-util": "26.15.3"
  }
}

spec.json

{
  "schemaVersion": 1,
  "goal": "target architecture mapping and KSUID generation with builder-util",
  "kind": "HOW",
  "packages": [
    "pkg:npm/builder-util@26.15.3"
  ],
  "symbols": [
    "Arch",
    "archFromString",
    "generateKsuid",
    "getArchSuffix",
    "toLinuxArchString"
  ]
}

src/index.js

const {
  Arch,
  archFromString,
  getArchSuffix,
  toLinuxArchString,
  generateKsuid,
} = require("builder-util");

function resolveArch(archName) {
  return archFromString(archName);
}

function getArchitectureSuffix(arch, defaultArch) {
  return getArchSuffix(arch, defaultArch);
}

function getLinuxArchName(arch, target) {
  return toLinuxArchString(arch, target);
}

function createUniqueId() {
  return generateKsuid();
}

module.exports = {
  Arch,
  resolveArch,
  getArchitectureSuffix,
  getLinuxArchName,
  createUniqueId,
};

test/contract.js

const assert = require("node:assert");
const {
  Arch,
  archFromString,
  getArchSuffix,
  toLinuxArchString,
  generateKsuid,
} = require("builder-util");
const {
  resolveArch,
  getArchitectureSuffix,
  getLinuxArchName,
  createUniqueId,
} = require("../src/index.js");

// 1. Verify Arch enum and archFromString mapping
assert.strictEqual(Arch.ia32, 0, "Arch.ia32 must be 0");
assert.strictEqual(Arch.x64, 1, "Arch.x64 must be 1");
assert.strictEqual(Arch.armv7l, 2, "Arch.armv7l must be 2");
assert.strictEqual(Arch.arm64, 3, "Arch.arm64 must be 3");
assert.strictEqual(Arch.universal, 4, "Arch.universal must be 4");

assert.strictEqual(archFromString("x64"), Arch.x64);
assert.strictEqual(archFromString("arm64"), Arch.arm64);
assert.strictEqual(archFromString("ia32"), Arch.ia32);
assert.strictEqual(archFromString("armv7l"), Arch.armv7l);

assert.strictEqual(resolveArch("x64"), Arch.x64);
assert.strictEqual(resolveArch("arm64"), Arch.arm64);

// 2. Verify getArchSuffix formatting
assert.strictEqual(getArchSuffix(Arch.x64), "", "x64 should have empty suffix by default");
assert.strictEqual(getArchSuffix(Arch.arm64), "-arm64", "arm64 should have -arm64 suffix");
assert.strictEqual(getArchSuffix(Arch.ia32), "-ia32", "ia32 should have -ia32 suffix");
assert.strictEqual(getArchitectureSuffix(Arch.arm64), "-arm64");

// 3. Verify toLinuxArchString target conversions
assert.strictEqual(toLinuxArchString(Arch.x64, "deb"), "amd64", "x64 deb arch should be amd64");
assert.strictEqual(toLinuxArchString(Arch.arm64, "deb"), "arm64", "arm64 deb arch should be arm64");
assert.strictEqual(toLinuxArchString(Arch.arm64, "rpm"), "aarch64", "arm64 rpm arch should be aarch64");
assert.strictEqual(toLinuxArchString(Arch.armv7l, "deb"), "armhf", "armv7l deb arch should be armhf");
assert.strictEqual(toLinuxArchString(Arch.ia32, "deb"), "i386", "ia32 deb arch should be i386");
assert.strictEqual(getLinuxArchName(Arch.arm64, "rpm"), "aarch64");

// 4. Verify generateKsuid generation
const id1 = generateKsuid();
const id2 = createUniqueId();

assert.strictEqual(typeof id1, "string", "generateKsuid must return a string");
assert.strictEqual(id1.length, 27, "KSUID must be 27 characters long");
assert.match(id1, /^[0-9a-zA-Z]{27}$/, "KSUID must be alphanumeric base62");

assert.strictEqual(typeof id2, "string");
assert.strictEqual(id2.length, 27);
assert.notStrictEqual(id1, id2, "Consecutive KSUIDs should be distinct");

console.log("PASS: builder-util architecture and KSUID contract assertions verified");

Seeder de origem

anônimo