[Bug]: Vitest breaks with @rolldown/binding-wasm32-wasi #8740
Description
Reproduction link or steps
Reproduction narrowed down to @rolldown/binding-wasm32-wasi by @SamVerschueren. 🤝
- Open https://vitest.new and download the template locally.
- Add
"@rolldown/binding-wasm32-wasi": "latest"todependencies npm install --force- Run
npm testwhile overriding binary:NAPI_RS_NATIVE_LIBRARY_PATH=@rolldown/binding-wasm32-wasi npm test
For full stacktrace, search stackIgnorePatterns in node_modules and empty those 2x arrays.
Error: Cannot read properties of undefined (reading 'whenLoaded')
❯ reviveInvokeError node_modules/vite/dist/node/module-runner.js:538:14
❯ Object.invoke node_modules/vite/dist/node/module-runner.js:554:33
❯ processTicksAndRejections node:internal/process/task_queues:105:5
❯ VitestModuleRunner.getModuleInformation node_modules/vite/dist/node/module-runner.js:1183:7
❯ VitestModuleRunner.import node_modules/vite/dist/node/module-runner.js:1099:23
❯ node_modules/@vitest/runner/dist/index.js:1811:5
❯ collectTests node_modules/@vitest/runner/dist/index.js:1788:3
❯ startTests node_modules/@vitest/runner/dist/index.js:2631:17
❯ node_modules/vitest/dist/chunks/base.DM0-RqVb.js:90:5
❯ run node_modules/vitest/dist/chunks/base.DM0-RqVb.js:81:2
There is no whenLoaded defined in Vitest sources.
What is expected?
It should work without errors.
What is actually happening?
$ NAPI_RS_NATIVE_LIBRARY_PATH=@rolldown/binding-wasm32-wasi npm test
> test
> vitest
(node:37751) ExperimentalWarning: WASI is an experimental feature and might change at any time
(Use `node --trace-warnings ...` to show where the warning was created)
(node:37751) ExperimentalWarning: WASI is an experimental feature and might change at any time
(Use `node --trace-warnings ...` to show where the warning was created)
(node:37751) ExperimentalWarning: WASI is an experimental feature and might change at any time
(Use `node --trace-warnings ...` to show where the warning was created)
DEV v4.1.0 /x/vitest-dev-vitest-vc8maafp
❯ test/suite.test.ts (0 test)
❯ test/basic.test.ts (0 test)
⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯ Failed Suites 2 ⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯
FAIL test/basic.test.ts [ test/basic.test.ts ]
FAIL test/suite.test.ts [ test/suite.test.ts ]
Error: Cannot read properties of undefined (reading 'whenLoaded')
⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯[1/2]⎯
Test Files 2 failed (2)
Tests no tests
Start at 21:28:06
Duration 103ms (transform 0ms, setup 0ms, import 0ms, tests 0ms, environment 0ms)
FAIL Tests failed. Watching for file changes...
press h to show help, press q to quit
System Info
System:
OS: macOS 26.3.1
CPU: (8) arm64 Apple M2
Memory: 1.58 GB / 16.00 GB
Shell: 3.2.57 - /bin/bash
Binaries:
Node: 22.22.0 - /x/.nvm/versions/node/v22.22.0/bin/node
Yarn: 1.22.22 - /x/.nvm/versions/node/v22.22.0/bin/yarn
npm: 10.9.4 - /x/.nvm/versions/node/v22.22.0/bin/npm
pnpm: 10.31.0 - /x/.nvm/versions/node/v22.22.0/bin/pnpm
bun: 1.3.9 - /x/.bun/bin/bun
Browsers:
Safari: 26.3.1Any additional comments?
This breaks https://vitest.new that's using wasm build of rolldown.