示例
vite-node 2.1.9: ViteNodeServer
已验证示例 — npm vite-node 2.1.9: ViteNodeServer. contract 在 node 22 · linux debian/x64 · docker 上运行并通过： ViteNodeServer initializes with a ViteDevServer instance…
sha256:4967e75fc0d82925be024701027fc7286698ee7a787020a86891ac221d2bb1df
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 javascript 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… |
2026-09-07 |
案例
HOW- 目标
- verify vite-node.ViteNodeServer in pkg:npm/vite-node@2.1.9
- 符号
-
- vite-node.ViteNodeServer
- 环境
- node 22.23.2
- 创建时间
- 2026-09-07T01:34:26Z
契约
- ViteNodeServer initializes with a ViteDevServer instance and configurable options including sourcemap and transformMode
- ViteNodeServer resolves module specifiers and relative file paths against importer locations via resolveId
- ViteNodeServer determines transform modes for module paths using configured web and ssr pattern matchers
- ViteNodeServer transforms source modules into executable code and retains sourcemap metadata when configured via fetchModule and transformRequest
- ViteNodeServer requires web transformMode when transforming modules via transformModule and rejects unsupported modes
- ViteNodeServer evaluates dependency externalization rules and caches externalized resolutions via shouldExternalize
- ViteNodeServer caches fetched module entries and tracks cumulative execution durations via getTotalDuration
文件
- PROMPT.md
- csx.json
- package-lock.json
- package.json
- spec.json
- test/contract.mjs
源代码
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 vite-node.ViteNodeServer in pkg:npm/vite-node@2.1.9
Kind: HOW
Use EXACTLY these public packages and versions:
- pkg:npm/vite-node@2.1.9
Demonstrate these symbols/APIs:
- vite-node.ViteNodeServer
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.
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"debug": "^4.3.7",
"es-module-lexer": "^1.5.4",
"pathe": "^1.1.2",
"vite": "^5.0.0"
},
"bin": {
"vite-node": "vite-node.mjs"
},
"engines": {
"node": "^18.0.0 || >=20.0.0"
},
"funding": {
"url": "https://opencollective.com/vitest"
}
}
}
}
{
"name": "sample-vite-node-server",
"version": "1.0.0",
"type": "module",
"private": true,
"dependencies": {
"vite-node": "2.1.9"
}
}
{
"schemaVersion": 1,
"goal": "verify vite-node.ViteNodeServer in pkg:npm/vite-node@2.1.9",
"kind": "HOW",
"packages": [
"pkg:npm/vite-node@2.1.9"
],
"symbols": [
"vite-node.ViteNodeServer"
]
}
import assert from 'node:assert/strict';
import fs from 'node:fs/promises';
import path from 'node:path';
import os from 'node:os';
import { createServer } from 'vite';
import { ViteNodeServer } from 'vite-node/server';
async function runContract() {
const tmpDir = await fs.mkdtemp(path.join(os.tmpdir(), 'vns-contract-'));
try {
const helperTs = path.join(tmpDir, 'helper.ts');
const serviceTs = path.join(tmpDir, 'service.ts');
await fs.writeFile(
helperTs,
`export const factor: number = 7;\n`
);
await fs.writeFile(
serviceTs,
`import { factor } from './helper';\nexport function calculate(input: number): number {\n return input * factor + 3;\n}\n`
);
const viteServer = await createServer({
root: tmpDir,
server: { middlewareMode: true },
appType: 'custom',
});
const nodeServer = new ViteNodeServer(viteServer, {
sourcemap: true,
deps: {
inline: [/\.ts$/],
external: ['node:path', 'node:fs'],
},
transformMode: {
ssr: [/service\.ts/],
web: [/helper\.ts/],
},
});
// 1. ViteNodeServer initializes with a ViteDevServer instance and configurable options including sourcemap and transformMode
assert.equal(nodeServer.server, viteServer);
assert.equal(nodeServer.options.sourcemap, true);
assert.ok(nodeServer.fetchCaches.ssr instanceof Map);
assert.ok(nodeServer.fetchCaches.web instanceof Map);
assert.ok(nodeServer.externalizeCache instanceof Map);
// 2. ViteNodeServer resolves module specifiers and relative file paths against importer locations via resolveId
const resolvedHelper = await nodeServer.resolveId('./helper', serviceTs);
assert.ok(resolvedHelper, 'resolveId should return a resolve result');
assert.ok(resolvedHelper.id.endsWith('helper.ts'), 'resolved ID should point to helper.ts');
// 3. ViteNodeServer determines transform modes for module paths using configured web and ssr pattern matchers
assert.equal(nodeServer.getTransformMode(serviceTs), 'ssr');
assert.equal(nodeServer.getTransformMode(helperTs), 'web');
// 4. ViteNodeServer transforms source modules into executable code and retains sourcemap metadata when configured via fetchModule and transformRequest
const transformRes = await nodeServer.transformRequest(serviceTs);
assert.ok(transformRes && typeof transformRes.code === 'string');
assert.ok(transformRes.code.includes('calculate'));
const fetchRes = await nodeServer.fetchModule(serviceTs);
assert.ok(fetchRes && typeof fetchRes.code === 'string');
assert.ok(fetchRes.code.includes('calculate'));
assert.ok(fetchRes.map !== undefined, 'sourcemap should be retained when sourcemap option is true');
// 5. ViteNodeServer requires web transformMode when transforming modules via transformModule and rejects unsupported modes
const transModWeb = await nodeServer.transformModule(helperTs, 'web');
assert.ok(transModWeb && typeof transModWeb.code === 'string');
assert.ok(transModWeb.code.includes('factor'));
await assert.rejects(
async () => {
await nodeServer.transformModule(serviceTs, 'ssr');
},
{
name: 'Error',
message: '`transformModule` only supports `transformMode: "web"`.',
}
);
// 6. ViteNodeServer evaluates dependency externalization rules and caches externalized resolutions via shouldExternalize
const extBuiltin = await nodeServer.shouldExternalize('node:path');
assert.equal(extBuiltin, 'node:path');
assert.equal(await nodeServer.externalizeCache.get('node:path'), 'node:path');
const extLocal = await nodeServer.shouldExternalize(serviceTs);
assert.equal(extLocal, false);
// 7. ViteNodeServer caches fetched module entries and tracks cumulative execution durations via getTotalDuration
assert.ok(nodeServer.fetchCaches.ssr.has(serviceTs), 'service.ts should be cached in ssr fetchCache');
const duration = nodeServer.getTotalDuration();
assert.ok(typeof duration === 'number' && duration >= 0);
await viteServer.close();
console.log('Contract tests passed successfully.');
} finally {
await fs.rm(tmpDir, { recursive: true, force: true });
}
}
runContract().catch((err) => {
console.error('Contract test failed:', err);
process.exit(1);
});
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