fix(ssr): ssrTransform incorrectly rewrites meta identifier inside import.meta when a binding named meta exists

[Copilot]

When an imported binding was named meta, ssrTransform would incorrectly replace the meta in import.meta with the import binding accessor, corrupting the output.

Root Cause

isRefIdentifier had no guard for MetaProperty parent nodes. The meta identifier in import.meta has a MetaProperty parent, but the function only excluded MemberExpression non-computed properties — so meta was treated as a rewritable reference.

Fix

• Added a MetaProperty parent check to isRefIdentifier, returning false to prevent rewriting identifiers that are part of import.meta.

// Before — broken
import { meta } from './meta';
console.log(import.meta.url, `Hello, ${meta}!`);
// Transformed to (wrong):
// console.log(__vite_ssr_import_meta__.url, `Hello, ${__vite_ssr_import_0__.meta}!`)
// ^ meta in import.meta was also getting rewritten incorrectly

// After — correct
// console.log(__vite_ssr_import_meta__.url, `Hello, ${__vite_ssr_import_0__.meta}!`)

Original prompt

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This section details on the original issue you should resolve

<issue_title>ssrTransform fails to transform import.meta when there is imported variable named meta</issue_title>
<issue_description>### Describe the bug

ssrTransform fails to transform code below:

import { meta } from './meta';

console.log(import.meta.url, `Hello, ${meta}!`);

Error message

Error: Cannot split a chunk that has already been edited (1:19 – "import.meta")
    at MagicString._splitChunk (file:///home/projects/vitejs-vite-5acvpgpu/node_modules/.pnpm/vite@8.0.2/node_modules/vite/dist/node/chunks/node.js:4738:10)
    at MagicString._split (file:///home/projects/vitejs-vite-5acvpgpu/node_modules/.pnpm/vite@8.0.2/node_modules/vite/dist/node/chunks/node.js:4729:43)
    at MagicString.update (file:///home/projects/vitejs-vite-5acvpgpu/node_modules/.pnpm/vite@8.0.2/node_modules/vite/dist/node/chunks/node.js:4553:8)
    at onIdentifier (file:///home/projects/vitejs-vite-5acvpgpu/node_modules/.pnpm/vite@8.0.2/node_modules/vite/dist/node/chunks/node.js:11324:75)
    at eval (file:///home/projects/vitejs-vite-5acvpgpu/node_modules/.pnpm/vite@8.0.2/node_modules/vite/dist/node/chunks/node.js:11436:37)
    at walk (file:///home/projects/vitejs-vite-5acvpgpu/node_modules/.pnpm/vite@8.0.2/node_modules/vite/dist/node/chunks/node.js:11435:14)
    at ssrTransformScript (file:///home/projects/vitejs-vite-5acvpgpu/node_modules/.pnpm/vite@8.0.2/node_modules/vite/dist/node/chunks/node.js:11301:2)
    at async loadAndTransform (file:///home/projects/vitejs-vite-5acvpgpu/node_modules/.pnpm/vite@8.0.2/node_modules/vite/dist/node/chunks/node.js:24317:64)

Looks like it hits the below s.update(id.start, id.end, binding) call and tries to replace meta in import.meta with something else. Need to handle a MetaProperty parent.

vite/packages/vite/src/node/ssr/ssrTransform.ts

Line 385 in 8e05b61

s.update(id.start, id.end, binding)

For context, I encountered this bug while using Storybook Vitest addon.

Reproduction

https://stackblitz.com/edit/vitejs-vite-5acvpgpu?file=repro.ts

Steps to reproduce

vite.config.ts:

import { defineConfig } from "vite";

export default defineConfig({
  environments: {
    ssr: {},
  },
  builder: {
    async buildApp() { }
  }
})

repro.ts:

import { createServer } from "vite"

const server = await createServer()
const result = await server.environments.ssr.transformRequest("src/index.ts");

console.log(result?.code);

await server.close();

src/index.ts:

import { meta } from './meta';

console.log(import.meta.url, `Hello, ${meta}!`);

Run node repro.ts to see the error.

System Info

Both Vite 7 and 8 have this issue.

System:
    OS: Linux 5.0 undefined
    CPU: (8) x64 Intel(R) Core(TM) i9-9880H CPU @ 2.30GHz
    Memory: 0 Bytes / 0 Bytes
    Shell: 1.0 - /bin/jsh
  Binaries:
    Node: 22.22.0 - /usr/local/bin/node
    Yarn: 1.22.19 - /usr/local/bin/yarn
    npm: 10.8.2 - /usr/local/bin/npm
    pnpm: 8.15.6 - /usr/local/bin/pnpm

Used Package Manager

npm

Logs

No response

Validations

• Follow our Code of Conduct
• Read the Contributing Guidelines.
• Read the docs.
• Check that there isn't already an issue that reports the same bug to avoid creating a duplicate.
• Make sure this is a Vite issue and not a framework-specific issue. For example, if it's a Vue SFC related bug, it should likely be reported to vuejs/core instead.
• Check that this is a concrete bug. For Q&A open a GitHub Discussion or join our Discord Chat Server.
• The provided reproduction is a minimal reproducible example of the bug.</issue_description>

Comments on the Issue (you are @copilot in this section)

• Fixes ssrTransform fails to transform import.meta when there is imported variable named meta #22004

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