fix(coverage): v8 provider to pick source maps without url parameters

packages/coverage-v8/src/provider.ts

@@ -13,6 +13,7 @@ import remapping from '@ampproject/remapping'
 import { normalize, resolve } from 'pathe'
 import c from 'picocolors'
 import { provider } from 'std-env'
+import { cleanUrl } from 'vite-node/utils'
 import type { EncodedSourceMap } from 'vite-node'
 import { coverageConfigDefaults, defaultExclude, defaultInclude } from 'vitest/config'
 import { BaseCoverageProvider } from 'vitest/coverage'
@@ -50,6 +51,7 @@ export class V8CoverageProvider extends BaseCoverageProvider implements Coverage
   options!: Options
   testExclude!: InstanceType<TestExclude>
   coverages: Profiler.TakePreciseCoverageReturnType[] = []
+  fetchCache?: typeof this.ctx.vitenode.fetchCache
 
   initialize(ctx: Vitest) {
     const config: CoverageV8Options = ctx.config.coverage
@@ -210,10 +212,9 @@ export class V8CoverageProvider extends BaseCoverageProvider implements Coverage
     sourceMap?: { sourcemap: EncodedSourceMap }
   }> {
     const filePath = normalize(fileURLToPath(url))
-    const transformResult = this.ctx.projects
-      .map(project => project.vitenode.fetchCache.get(filePath)?.result)
-      .filter(Boolean)
-      .shift()
+
+    await this.prepareFetchCache()
+    const transformResult = this.fetchCache?.get(filePath)?.result
 
     const map = transformResult?.map
     const code = transformResult?.code
@@ -241,6 +242,22 @@ export class V8CoverageProvider extends BaseCoverageProvider implements Coverage
       },
     }
   }
+
+  private async prepareFetchCache() {
+    if (this.fetchCache)
+      return
+
+    this.fetchCache = new Map()
+
+    for (const project of this.ctx.projects) {
+      for (const [key, value] of project.vitenode.fetchCache.entries()) {
+        const cleanEntry = cleanUrl(key)
+
+        if (!this.fetchCache.has(cleanEntry))
+          this.fetchCache.set(cleanEntry, value)
+      }
+    }
+  }
 }
 
 /**