feat: use custom source-map-support implementation (#2905)

packages/coverage-c8/src/provider.ts

@@ -4,7 +4,7 @@ import type { Profiler } from 'inspector'
 import { extname, resolve } from 'pathe'
 import c from 'picocolors'
 import { provider } from 'std-env'
-import type { RawSourceMap } from 'vite-node'
+import type { EncodedSourceMap } from 'vite-node'
 import { coverageConfigDefaults } from 'vitest/config'
 // eslint-disable-next-line no-restricted-imports
 import type { AfterSuiteRunMeta, CoverageC8Options, CoverageProvider, ReportContext, ResolvedCoverageOptions } from 'vitest'
@@ -67,7 +67,7 @@ export class C8CoverageProvider implements CoverageProvider {
     // Overwrite C8's loader as results are in memory instead of file system
     report._loadReports = () => this.coverages
 
-    interface MapAndSource { map: RawSourceMap; source: string | undefined }
+    interface MapAndSource { map: EncodedSourceMap; source: string | undefined }
     type SourceMapMeta = { url: string; filepath: string } & MapAndSource
 
     // add source maps

packages/vite-node/package.json

@@ -81,14 +81,11 @@
     "mlly": "^1.1.0",
     "pathe": "^1.1.0",
     "picocolors": "^1.0.0",
-    "source-map": "^0.6.1",
-    "source-map-support": "^0.5.21",
     "vite": "^3.0.0 || ^4.0.0"
   },
   "devDependencies": {
+    "@jridgewell/trace-mapping": "^0.3.17",
     "@types/debug": "^4.1.7",
-    "@types/source-map": "^0.5.7",
-    "@types/source-map-support": "^0.5.6",
     "rollup": "^2.79.1"
   }
 }

packages/vite-node/src/client.ts

@@ -170,10 +170,6 @@ export class ViteNodeRunner {
     return await this.cachedRequest(id, url, [])
   }
 
-  getSourceMap(id: string) {
-    return this.moduleCache.getSourceMap(id)
-  }
-
   /** @internal */
   async cachedRequest(id: string, fsPath: string, callstack: string[]) {
     const importee = callstack[callstack.length - 1]

packages/vite-node/src/server.ts

@@ -2,7 +2,8 @@ import { performance } from 'node:perf_hooks'
 import { resolve } from 'pathe'
 import type { TransformResult, ViteDevServer } from 'vite'
 import createDebug from 'debug'
-import type { DebuggerOptions, FetchResult, RawSourceMap, ViteNodeResolveId, ViteNodeServerOptions } from './types'
+import type { EncodedSourceMap } from '@jridgewell/trace-mapping'
+import type { DebuggerOptions, FetchResult, ViteNodeResolveId, ViteNodeServerOptions } from './types'
 import { shouldExternalize } from './externalize'
 import { normalizeModuleId, toArray, toFilePath } from './utils'
 import { Debugger } from './debug'
@@ -76,7 +77,7 @@ export class ViteNodeServer {
     if (fetchResult?.map)
       return fetchResult.map
     const ssrTransformResult = this.server.moduleGraph.getModuleById(source)?.ssrTransformResult
-    return (ssrTransformResult?.map || null) as unknown as RawSourceMap | null
+    return (ssrTransformResult?.map || null) as unknown as EncodedSourceMap | null
   }
 
   async fetchModule(id: string): Promise<FetchResult> {
@@ -144,7 +145,7 @@ export class ViteNodeServer {
       const start = performance.now()
       const r = await this._transformRequest(id)
       duration = performance.now() - start
-      result = { code: r?.code, map: r?.map as unknown as RawSourceMap }
+      result = { code: r?.code, map: r?.map as any }
     }
 
     this.fetchCache.set(filePath, {