perf: replace debug with obug

packages/coverage-istanbul/package.json

@@ -45,17 +45,16 @@
   },
   "dependencies": {
     "@istanbuljs/schema": "^0.1.3",
-    "debug": "catalog:",
     "istanbul-lib-coverage": "catalog:",
     "istanbul-lib-instrument": "^6.0.3",
     "istanbul-lib-report": "catalog:",
     "istanbul-lib-source-maps": "catalog:",
     "istanbul-reports": "catalog:",
     "magicast": "catalog:",
+    "obug": "catalog:",
     "tinyrainbow": "catalog:"
   },
   "devDependencies": {
-    "@types/debug": "catalog:",
     "@types/istanbul-lib-coverage": "catalog:",
     "@types/istanbul-lib-instrument": "^1.7.8",
     "@types/istanbul-lib-report": "catalog:",

packages/coverage-istanbul/src/provider.ts

@@ -5,13 +5,13 @@ import type { CoverageProvider, ReportContext, ResolvedCoverageOptions, Vite, Vi
 import { existsSync, promises as fs } from 'node:fs'
 // @ts-expect-error missing types
 import { defaults as istanbulDefaults } from '@istanbuljs/schema'
-import createDebug from 'debug'
 import libCoverage from 'istanbul-lib-coverage'
 import { createInstrumenter } from 'istanbul-lib-instrument'
 import libReport from 'istanbul-lib-report'
 import libSourceMaps from 'istanbul-lib-source-maps'
 import reports from 'istanbul-reports'
 import { parseModule } from 'magicast'
+import { createDebug } from 'obug'
 import c from 'tinyrainbow'
 import { BaseCoverageProvider } from 'vitest/coverage'
 import { isCSSRequest } from 'vitest/node'

packages/coverage-v8/package.json

@@ -57,17 +57,16 @@
     "@bcoe/v8-coverage": "^1.0.2",
     "@vitest/utils": "workspace:*",
     "ast-v8-to-istanbul": "^0.3.8",
-    "debug": "catalog:",
     "istanbul-lib-coverage": "catalog:",
     "istanbul-lib-report": "catalog:",
     "istanbul-lib-source-maps": "catalog:",
     "istanbul-reports": "catalog:",
     "magicast": "catalog:",
+    "obug": "catalog:",
     "std-env": "catalog:",
     "tinyrainbow": "catalog:"
   },
   "devDependencies": {
-    "@types/debug": "catalog:",
     "@types/istanbul-lib-coverage": "catalog:",
     "@types/istanbul-lib-report": "catalog:",
     "@types/istanbul-lib-source-maps": "catalog:",

packages/coverage-v8/src/provider.ts

@@ -7,12 +7,12 @@ import { fileURLToPath } from 'node:url'
 // @ts-expect-error -- untyped
 import { mergeProcessCovs } from '@bcoe/v8-coverage'
 import astV8ToIstanbul from 'ast-v8-to-istanbul'
-import createDebug from 'debug'
 import libCoverage from 'istanbul-lib-coverage'
 import libReport from 'istanbul-lib-report'
 import libSourceMaps from 'istanbul-lib-source-maps'
 import reports from 'istanbul-reports'
 import { parseModule } from 'magicast'
+import { createDebug } from 'obug'
 import { normalize } from 'pathe'
 import { provider } from 'std-env'
 import c from 'tinyrainbow'

packages/vitest/package.json

@@ -135,7 +135,6 @@
   "peerDependencies": {
     "@edge-runtime/vm": "*",
     "@opentelemetry/api": "^1.9.0",
-    "@types/debug": "^4.1.12",
     "@types/node": "^20.0.0 || ^22.0.0 || >=24.0.0",
     "@vitest/browser-playwright": "workspace:*",
     "@vitest/browser-preview": "workspace:*",
@@ -151,9 +150,6 @@
     "@opentelemetry/api": {
       "optional": true
     },
-    "@types/debug": {
-      "optional": true
-    },
     "@types/node": {
       "optional": true
     },
@@ -184,10 +180,10 @@
     "@vitest/snapshot": "workspace:*",
     "@vitest/spy": "workspace:*",
     "@vitest/utils": "workspace:*",
-    "debug": "catalog:",
     "es-module-lexer": "^1.7.0",
     "expect-type": "^1.2.2",
     "magic-string": "catalog:",
+    "obug": "catalog:",
     "pathe": "catalog:",
     "picomatch": "^4.0.3",
     "std-env": "catalog:",
@@ -204,7 +200,6 @@
     "@jridgewell/trace-mapping": "catalog:",
     "@opentelemetry/api": "^1.9.0",
     "@sinonjs/fake-timers": "14.0.0",
-    "@types/debug": "catalog:",
     "@types/estree": "catalog:",
     "@types/istanbul-lib-coverage": "catalog:",
     "@types/istanbul-reports": "catalog:",

packages/vitest/src/utils/debugger.ts

@@ -1,5 +1,5 @@
-import type { Debugger } from 'debug'
-import createDebug from 'debug'
+import type { Debugger } from 'obug'
+import { createDebug } from 'obug'
 
 export function createDebugger(namespace: `vitest:${string}`): Debugger | undefined {
   const debug = createDebug(namespace)

packages/web-worker/package.json

@@ -41,10 +41,9 @@
     "vitest": "workspace:*"
   },
   "dependencies": {
-    "debug": "catalog:"
+    "obug": "catalog:"
   },
   "devDependencies": {
-    "@types/debug": "catalog:",
     "@types/ungap__structured-clone": "^1.2.0",
     "@ungap/structured-clone": "^1.3.0"
   }

packages/web-worker/src/utils.ts

@@ -1,9 +1,10 @@
+import type { Debugger } from 'obug'
 import type { WorkerGlobalState } from 'vitest'
 import type { CloneOption } from './types'
 import ponyfillStructuredClone from '@ungap/structured-clone'
-import createDebug from 'debug'
+import { createDebug } from 'obug'
 
-export const debug: createDebug.Debugger = createDebug('vitest:web-worker')
+export const debug: Debugger = createDebug('vitest:web-worker')
 
 export function getWorkerState(): WorkerGlobalState {
   // @ts-expect-error untyped global