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feat(coverage)!: allow `thresholds.perFile` to accept an object (#10190) · vitest-dev/vitest@13b78d9 · GitHub
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vladlenskiyAriPerkkio
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AriPerkkio
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feat(coverage)!: allow thresholds.perFile to accept an object (#10190)
Co-authored-by: Ari Perkkiö <ari.perkkio@gmail.com>
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‎docs/config/coverage.md‎

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@@ -233,12 +233,67 @@ Global threshold for statements.
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### coverage.thresholds.perFile
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- **Type:** `boolean`
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- **Type:** `boolean | { 100?: boolean, lines?: number, functions?: number, branches?: number, statements?: number }`
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- **Default:** `false`
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- **Available for providers:** `'v8' | 'istanbul'`
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- **CLI:** `--coverage.thresholds.perFile`, `--coverage.thresholds.perFile=false`
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Check thresholds per file.
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When `true`, each file is checked against the top-level thresholds instead of the project-wide aggregate. When set to an object, both are checked: the aggregate against the top-level thresholds, and every file against these per-file minimums.
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<!-- eslint-skip -->
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```ts
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{
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coverage: {
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thresholds: {
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lines: 80,
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functions: 80,
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branches: 80,
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statements: 80,
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perFile: {
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lines: 50,
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functions: 50,
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branches: 50,
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statements: 50,
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},
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}
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}
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}
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```
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`{ 100: true }` is also accepted inside the object as a shortcut for setting all four metrics to `100`:
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<!-- eslint-skip -->
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```ts
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{
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coverage: {
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thresholds: {
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lines: 80,
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perFile: {
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100: true,
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},
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}
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}
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}
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```
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`perFile` can also be set on an individual [glob-pattern threshold](/config/coverage#coverage-thresholds-glob-pattern). Glob patterns do **not** inherit the top-level `perFile`; set it on each glob explicitly.
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<!-- eslint-skip -->
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```ts
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{
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coverage: {
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thresholds: {
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perFile: true,
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lines: 80,
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'src/utils/**': {
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lines: 90,
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perFile: true,
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},
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}
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}
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}
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```
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### coverage.thresholds.autoUpdate
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{
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coverage: {
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thresholds: {
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// Update thresholds without decimals
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autoUpdate: (newThreshold) => Math.floor(newThreshold),
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// Log the change and update without decimals
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autoUpdate: (newThreshold, previousThreshold) => {
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console.log(`Updated threshold from ${previousThreshold} to ${newThreshold}`)
@@ -285,12 +337,14 @@ Shortcut for `--coverage.thresholds.lines 100 --coverage.thresholds.functions 10
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### coverage.thresholds[glob-pattern]
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- **Type:** `{ statements?: number functions?: number branches?: number lines?: number }`
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- **Type:** `{ statements?: number, functions?: number, branches?: number, lines?: number, perFile?: boolean | object }`
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- **Default:** `undefined`
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- **Available for providers:** `'v8' | 'istanbul'`
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Sets thresholds for files matching the glob pattern.
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Each glob pattern can set its own `perFile` (`boolean | object`), checked exactly like the top-level `perFile` but scoped to the matched files. Glob patterns do not inherit the top-level `perFile` — set it per glob.
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::: tip NOTE
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Vitest counts all files, including those covered by glob-patterns, into the global coverage thresholds.
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This is different from Jest behavior.
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functions: 90,
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branches: 85,
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lines: 80,
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// each matching file must individually hit the thresholds above
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perFile: true,
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},
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// Files matching this pattern will only have lines thresholds set.

‎docs/guide/cli-generated.md‎

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@@ -197,10 +197,10 @@ Shortcut to set all coverage thresholds to 100 (default: `false`)
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### coverage.thresholds.perFile
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- **CLI:** `--coverage.thresholds.perFile`
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- **CLI:** `--coverage.thresholds.perFile <boolean>`
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- **Config:** [coverage.thresholds.perFile](/config/coverage#coverage-thresholds-perfile)
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Check thresholds per file. See `--coverage.thresholds.lines`, `--coverage.thresholds.functions`, `--coverage.thresholds.branches` and `--coverage.thresholds.statements` for the actual thresholds (default: `false`)
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Check thresholds per file. See `--coverage.thresholds.lines`, `--coverage.thresholds.functions`, `--coverage.thresholds.branches` and `--coverage.thresholds.statements` for the actual thresholds (default: `false`). Object form is available in config files only.
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### coverage.thresholds.autoUpdate
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‎docs/guide/migration.md‎

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@@ -125,6 +125,27 @@ await expect.element(banner).toMatchTextContent(/error/i) // [!code ++]
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await expect.element(banner).toHaveTextContent('Error!')
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```
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### Glob Coverage Thresholds No Longer Inherit `perFile`
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`coverage.thresholds.perFile` previously applied to every threshold set, including files matched by glob-pattern thresholds. Glob patterns now control their own per-file checking and no longer inherit the top-level `perFile` — set `perFile` on each glob that needs it.
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```ts [vitest.config.ts]
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export default defineConfig({
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test: {
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coverage: {
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thresholds: {
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'perFile': true,
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'src/utils/**': {
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lines: 80,
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perFile: true, // [!code ++]
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},
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},
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},
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},
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})
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```
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### Config Files Are Not Looked Up From Parent Directories
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Vitest no longer searches parent directories for config files. If you previously relied on running `vitest` from a subdirectory while using a config file from a parent directory, pass the config explicitly and scope test discovery with `--dir`. For example,

‎packages/vitest/src/node/cli/cli-config.ts‎

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subcommands: {
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perFile: {
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description:
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'Check thresholds per file. See `--coverage.thresholds.lines`, `--coverage.thresholds.functions`, `--coverage.thresholds.branches` and `--coverage.thresholds.statements` for the actual thresholds (default: `false`)',
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'Check thresholds per file. See `--coverage.thresholds.lines`, `--coverage.thresholds.functions`, `--coverage.thresholds.branches` and `--coverage.thresholds.statements` for the actual thresholds (default: `false`). Object form is available in config files only.',
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subcommands: null,
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argument: '<boolean>',
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},
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autoUpdate: {
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description:

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