CodeSampleX

示例

@npmcli/map-workspaces 4.0.2: mapWorkspaces, mapWorkspaces.virtual

已验证示例 — npm @npmcli/map-workspaces 4.0.2: mapWorkspaces, mapWorkspaces.virtual. contract 在 node 22 · linux debian/x64 · docker 上运行并通过.

sha256:7740fc4ce57c4bd28bcb32acf213c75a1f2a7e7343041636dae962e44ae9f029

本网络只提供一件事：能构建的样本。它在沙箱中运行并保留签名回执。它不评级、不担保——同样的代码能否在你的环境构建，它没有测量过。 提交了通过的契约回执的不同签名密钥数量。为 1 表示只有作者；大于 1 表示还有其他人构建过。密钥是自行生成的，背后没有注册身份，因此计的是密钥而非人。 MIT-0

执行证据

声明的环境与签名的运行分开呈现，你可以看到这个样本究竟运行了什么、在哪里运行。

证据依据
签名契约通过
验证回执
1
构建过它的签名密钥
1
声明的环境 node 22.23 linux 24 · ubuntu · glibc 2.39 x64 node 22.23 npm 10

验证运行环境

环境 契约 阶段 运行日期
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…		 2026-10-18

案例

HOW
目标
verify pkg:npm/%40npmcli/map-workspaces@4.0.2
包
符号
  • mapWorkspaces
  • mapWorkspaces.virtual
环境
node 22.23
创建时间
2026-10-18T08:53:07Z

契约

  1. mapWorkspaces({ cwd, pkg }) resolves workspace glob patterns (both array and { packages: [...] } forms), respects negated patterns (!pattern), falls back to folder name when package.json omits name, and returns a Map<packageName, directoryPathname> in pattern declaration order
  2. mapWorkspaces rejects with Error code EDUPLICATEWORKSPACE when multiple workspace directories share the same package name
  3. mapWorkspaces rejects with TypeError code EMAPWORKSPACESPKG when opts.pkg is missing and TypeError code EWORKSPACESCONFIG when workspaces is not an Array
  4. mapWorkspaces.virtual({ cwd, lockfile }) synchronously maps workspace entries from a lockfile packages object into a Map<packageName, directoryPathname> and throws TypeError code EMAPWORKSPACESLOCKFILE when opts.lockfile is missing

文件

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

下载源代码构件 (tar.gz)

源代码

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/map-workspaces@4.0.2
Kind: HOW

Use EXACTLY these public packages and versions:
  - pkg:npm/%40npmcli/map-workspaces@4.0.2

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:sha256:42f7bd5cd675a7a7d0c61d5ea414cb0000bd3a95aef8a016a207a78e1b62358d","contract":["mapWorkspaces({ cwd, pkg }) resolves workspace glob patterns (both array and { packages: [...] } forms), respects negated patterns (!pattern), falls back to folder name when package.json omits name, and returns a Map\u003cpackageName, directoryPathname\u003e in pattern declaration order","mapWorkspaces rejects with Error code EDUPLICATEWORKSPACE when multiple workspace directories share the same package name","mapWorkspaces rejects with TypeError code EMAPWORKSPACESPKG when opts.pkg is missing and TypeError code EWORKSPACESCONFIG when workspaces is not an Array","mapWorkspaces.virtual({ cwd, lockfile }) synchronously maps workspace entries from a lockfile packages object into a Map\u003cpackageName, directoryPathname\u003e and throws TypeError code EMAPWORKSPACESLOCKFILE when opts.lockfile is missing"],"goal":"verify pkg:npm/%40npmcli/map-workspaces@4.0.2","kind":"HOW","packages":["pkg:npm/%40npmcli/map-workspaces@4.0.2"],"schemaVersion":1,"symbols":["mapWorkspaces","mapWorkspaces.virtual"]},"contractCommand":["node","test/contract.mjs"],"environment":{"arch":"x64","distro":"ubuntu","ecosystem":"npm","executionContext":"node","libc":"glibc","libcVersion":"2.39","moduleSystem":"esm","os":"linux","osVersionBucket":"24","packageManager":"npm","packageManagerVersion":"10.9","runtime":"node","runtimeVersion":"22.23","schemaVersion":1},"license":"MIT-0","packages":["pkg:npm/%40npmcli/map-workspaces@4.0.2"],"schemaVersion":1,"subject":"pkg:npm/%40npmcli/map-workspaces@4.0.2","symbols":["mapWorkspaces","mapWorkspaces.virtual"],"verifierAdapter":"node-typescript@1"}
package-lock.json
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package.json
{
  "name": "verify-map-workspaces",
  "version": "1.0.0",
  "private": true,
  "type": "module",
  "scripts": {
    "test": "node test/contract.mjs"
  },
  "dependencies": {
    "@npmcli/map-workspaces": "4.0.2"
  }
}
spec.json
{
  "schemaVersion": 1,
  "goal": "verify pkg:npm/%40npmcli/map-workspaces@4.0.2",
  "kind": "HOW",
  "packages": [
    "pkg:npm/%40npmcli/map-workspaces@4.0.2"
  ]
}
src/index.mjs
import mapWorkspaces from '@npmcli/map-workspaces';

export async function discoverWorkspaces(cwd, pkg, ignore = []) {
  return mapWorkspaces({ cwd, pkg, ignore });
}

export function discoverVirtualWorkspaces(cwd, lockfile) {
  return mapWorkspaces.virtual({ cwd, lockfile });
}

export { mapWorkspaces };
test/contract.mjs
import assert from 'node:assert/strict';
import fs from 'node:fs/promises';
import os from 'node:os';
import path from 'node:path';
import mapWorkspaces from '@npmcli/map-workspaces';
import { discoverWorkspaces, discoverVirtualWorkspaces } from '../src/index.mjs';

const tmpRoot = await fs.mkdtemp(path.join(os.tmpdir(), 'map-ws-test-'));

try {
  // 1. Setup workspace directories on disk
  const pkgADir = path.join(tmpRoot, 'packages', 'pkg-a');
  const pkgBDir = path.join(tmpRoot, 'packages', 'pkg-b');
  const pkgIgnoredDir = path.join(tmpRoot, 'packages', 'pkg-ignored');
  const unnamedDir = path.join(tmpRoot, 'plugins', 'my-plugin');

  await fs.mkdir(pkgADir, { recursive: true });
  await fs.mkdir(pkgBDir, { recursive: true });
  await fs.mkdir(pkgIgnoredDir, { recursive: true });
  await fs.mkdir(unnamedDir, { recursive: true });

  await fs.writeFile(
    path.join(pkgADir, 'package.json'),
    JSON.stringify({ name: '@scope/pkg-a', version: '1.0.0' })
  );
  await fs.writeFile(
    path.join(pkgBDir, 'package.json'),
    JSON.stringify({ name: 'pkg-b', version: '1.0.0' })
  );
  await fs.writeFile(
    path.join(pkgIgnoredDir, 'package.json'),
    JSON.stringify({ name: 'pkg-ignored', version: '1.0.0' })
  );
  // Unnamed package derives its name from folder via @npmcli/name-from-folder
  await fs.writeFile(
    path.join(unnamedDir, 'package.json'),
    JSON.stringify({ version: '1.0.0' })
  );

  // 2. Basic workspace discovery with array config + negated pattern + unnamed package fallback
  const map1 = await discoverWorkspaces(tmpRoot, {
    workspaces: ['packages/*', '!packages/pkg-ignored', 'plugins/*']
  });
  assert.ok(map1 instanceof Map);
  assert.deepEqual(
    Array.from(map1.entries()),
    [
      ['@scope/pkg-a', pkgADir],
      ['pkg-b', pkgBDir],
      ['my-plugin', unnamedDir]
    ]
  );

  // 3. Object-style `{ packages: [...] }` workspaces declaration
  const map2 = await mapWorkspaces({
    cwd: tmpRoot,
    pkg: {
      workspaces: {
        packages: ['plugins/*', 'packages/pkg-a']
      }
    }
  });
  assert.deepEqual(
    Array.from(map2.keys()),
    ['my-plugin', '@scope/pkg-a']
  );

  // 4. Empty workspaces returns an empty Map
  const emptyMap = await mapWorkspaces({
    cwd: tmpRoot,
    pkg: {}
  });
  assert.equal(emptyMap.size, 0);

  // 5. Duplicate workspace package name throws EDUPLICATEWORKSPACE
  const dupDir = path.join(tmpRoot, 'dup', 'pkg-b-copy');
  await fs.mkdir(dupDir, { recursive: true });
  await fs.writeFile(
    path.join(dupDir, 'package.json'),
    JSON.stringify({ name: 'pkg-b', version: '2.0.0' })
  );
  await assert.rejects(
    () =>
      mapWorkspaces({
        cwd: tmpRoot,
        pkg: { workspaces: ['packages/pkg-b', 'dup/*'] }
      }),
    (err) => err instanceof Error && err.code === 'EDUPLICATEWORKSPACE'
  );

  // 6. Error codes for missing pkg or invalid workspaces config
  await assert.rejects(
    () => mapWorkspaces({ cwd: tmpRoot }),
    (err) => err instanceof TypeError && err.code === 'EMAPWORKSPACESPKG'
  );
  await assert.rejects(
    () => mapWorkspaces({ cwd: tmpRoot, pkg: { workspaces: 'invalid-string' } }),
    (err) => err instanceof TypeError && err.code === 'EWORKSPACESCONFIG'
  );

  // 7. Virtual workspace mapping from lockfile object without filesystem I/O
  const virtualMap = discoverVirtualWorkspaces(tmpRoot, {
    packages: {
      '': {
        name: 'root',
        workspaces: ['packages/*', '!packages/pkg-ignored']
      },
      'packages/pkg-a': {
        name: '@scope/pkg-a',
        version: '1.0.0'
      },
      'packages/pkg-b': {
        version: '1.0.0'
      },
      'packages/pkg-ignored': {
        name: 'pkg-ignored',
        version: '1.0.0'
      }
    }
  });
  assert.ok(virtualMap instanceof Map);
  assert.deepEqual(
    Array.from(virtualMap.entries()),
    [
      ['@scope/pkg-a', path.join(tmpRoot, 'packages/pkg-a')],
      ['pkg-b', path.join(tmpRoot, 'packages/pkg-b')]
    ]
  );

  // 8. Missing lockfile in mapWorkspaces.virtual throws EMAPWORKSPACESLOCKFILE
  assert.throws(
    () => mapWorkspaces.virtual({ cwd: tmpRoot }),
    (err) => err instanceof TypeError && err.code === 'EMAPWORKSPACESLOCKFILE'
  );
} finally {
  await fs.rm(tmpRoot, { recursive: true, force: true });
}

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