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vitest.dev
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testing-tools
vite
fix: allow hyphens in project config file name pattern (#9760)
Co-authored-by: Hiroshi Ogawa <hi.ogawa.zz@gmail.com>
authored by
Koutaro-Hanabusa
Hiroshi Ogawa
and committed by
GitHub
(Mar 5, 2026, 9:58 AM +0100)
33e96311
fc2cea2b
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docs/guide/projects.md
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docs/guide/projects.md
···
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})
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```
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Vitest will treat every folder in `packages` as a separate project even if it doesn't have a config file inside. If the glob pattern matches a file, it will validate that the name starts with `vitest.config`/`vite.config` or matches `(vite|vitest).*.config.*` pattern to ensure it's a Vitest configuration file. For example, these config files are valid:
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Vitest will treat every folder in `packages` as a separate project even if it doesn't have a config file inside. If a project entry resolves to a file (either from a glob pattern or a direct file path), Vitest will validate that the name either:
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- starts with `vitest.config` or `vite.config` (for example, `vitest.config.unit.ts`)
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- or matches `vitest.<name>.config.*` / `vite.<name>.config.*`, where `<name>` can contain letters, numbers, `_`, and `-`
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For example, these config files are valid:
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- `vitest.config.ts`
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- `vite.config.js`
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- `vitest.unit.config.ts`
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- `vitest.e2e-node.config.ts`
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- `vite.e2e.config.js`
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- `vitest.config.unit.js`
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- `vite.config.e2e.js`
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test/cli/test/projects.test.ts
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test/cli/test/projects.test.ts
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expect(exitCode).toBe(0)
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})
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it('[glob] the name has "unit-test" (with hyphen) between "vitest" and "config" and works', async () => {
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const { exitCode } = await runInlineTests({
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'vitest.unit-test.config.js': {},
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'vitest.config.js': {
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test: {
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passWithNoTests: true,
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projects: ['./vitest.*.config.js'],
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},
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},
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})
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expect(exitCode).toBe(0)
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})
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it('[file] the name has "unit-test" (with hyphen) between "vitest" and "config" and works', async () => {
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const { exitCode } = await runInlineTests({
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'vitest.unit-test.config.js': {},
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'vitest.config.js': {
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test: {
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passWithNoTests: true,
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projects: ['./vitest.unit-test.config.js'],
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},
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},
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})
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expect(exitCode).toBe(0)
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})
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it('[file] the name does not start with "vite"/"vitest" and throws an error', async () => {
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const { stderr } = await runInlineTests({
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'unit.config.js': {},
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packages/vitest/src/node/projects/resolveProjects.ts
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packages/vitest/src/node/projects/resolveProjects.ts
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// vite.config.*
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// vitest.unit.config.*
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// vite.unit.config.*
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const CONFIG_REGEXP = /^vite(?:st)?(?:\.\w+)?\.config\./
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// vitest.unit-test.config.*
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const CONFIG_REGEXP = /^vite(?:st)?(?:\.[\w-]+)?\.config\./
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export async function resolveProjects(
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vitest: Vitest,