fix(ssr): stacktrace uses abs path with or without sourcemap (#12902)

Co-authored-by: sapphi-red <green@sapphi.red>

packages/vite/src/node/ssr/ssrModuleLoader.ts

@@ -222,7 +222,7 @@ async function instantiateModule(
       ssrExportAllKey,
       '"use strict";' +
         result.code +
-        `\n//# sourceURL=${mod.url}${sourceMapSuffix}`,
+        `\n//# sourceURL=${mod.id}${sourceMapSuffix}`,
     )
     await initModule(
       context.global,

packages/vite/src/node/ssr/ssrStacktrace.ts

@@ -1,3 +1,4 @@
+import path from 'node:path'
 import { TraceMap, originalPositionFor } from '@jridgewell/trace-mapping'
 import type { ModuleGraph } from '../server/moduleGraph'
 
@@ -21,10 +22,10 @@ export function ssrRewriteStacktrace(
     .map((line) => {
       return line.replace(
         /^ {4}at (?:(\S.*?)\s\()?(.+?):(\d+)(?::(\d+))?\)?/,
-        (input, varName, url, line, column) => {
-          if (!url) return input
+        (input, varName, id, line, column) => {
+          if (!id) return input
 
-          const mod = moduleGraph.urlToModuleMap.get(url)
+          const mod = moduleGraph.idToModuleMap.get(id)
           const rawSourceMap = mod?.ssrTransformResult?.map
 
           if (!rawSourceMap) {
@@ -35,7 +36,8 @@ export function ssrRewriteStacktrace(
 
           const pos = originalPositionFor(traced, {
             line: Number(line) - offset,
-            column: Number(column),
+            // stacktrace's column is 1-indexed, but sourcemap's one is 0-indexed
+            column: Number(column) - 1,
           })
 
           if (!pos.source || pos.line == null || pos.column == null) {
@@ -43,7 +45,9 @@ export function ssrRewriteStacktrace(
           }
 
           const trimmedVarName = varName.trim()
-          const source = `${pos.source}:${pos.line}:${pos.column}`
+          const sourceFile = path.resolve(path.dirname(id), pos.source)
+          // stacktrace's column is 1-indexed, but sourcemap's one is 0-indexed
+          const source = `${sourceFile}:${pos.line}:${pos.column + 1}`
           if (!trimmedVarName || trimmedVarName === 'eval') {
             return `    at ${source}`
           } else {

packages/vite/src/node/ssr/ssrTransform.ts

@@ -1,3 +1,4 @@
+import path from 'node:path'
 import MagicString from 'magic-string'
 import type { SourceMap } from 'rollup'
 import type {
@@ -285,7 +286,7 @@ async function ssrTransformScript(
       false,
     ) as SourceMap
   } else {
-    map.sources = [url]
+    map.sources = [path.basename(url)]
     // needs to use originalCode instead of code
     // because code might be already transformed even if map is null
     map.sourcesContent = [originalCode]

playground/ssr-html/__tests__/ssr-html.spec.ts

@@ -62,23 +62,36 @@ describe.runIf(isServe)('hmr', () => {
 describe.runIf(isServe)('stacktrace', () => {
   const execFileAsync = promisify(execFile)
 
-  for (const sourcemapsEnabled of [false, true]) {
-    test(`stacktrace is correct when sourcemaps is${
-      sourcemapsEnabled ? '' : ' not'
-    } enabled in Node.js`, async () => {
-      const testStacktraceFile = path.resolve(
-        __dirname,
-        '../test-stacktrace.js',
-      )
+  for (const ext of ['js', 'ts']) {
+    for (const sourcemapsEnabled of [false, true]) {
+      test(`stacktrace of ${ext} is correct when sourcemaps is${
+        sourcemapsEnabled ? '' : ' not'
+      } enabled in Node.js`, async () => {
+        const testStacktraceFile = path.resolve(
+          __dirname,
+          '../test-stacktrace.js',
+        )
 
-      const p = await execFileAsync('node', [
-        testStacktraceFile,
-        '' + sourcemapsEnabled,
-      ])
-      const line = p.stdout
-        .split('\n')
-        .find((line) => line.includes('Module.error'))
-      expect(line.trim()).toMatch(/[\\/]src[\\/]error\.js:2:9/)
-    })
+        const p = await execFileAsync('node', [
+          testStacktraceFile,
+          '' + sourcemapsEnabled,
+          ext,
+        ])
+        const lines = p.stdout
+          .split('\n')
+          .filter((line) => line.includes('Module.error'))
+
+        const reg = new RegExp(
+          path
+            .resolve(__dirname, '../src', `error.${ext}`)
+            .replace(/\\/g, '\\\\') + ':2:9',
+          'i',
+        )
+
+        lines.forEach((line) => {
+          expect(line.trim()).toMatch(reg)
+        })
+      })
+    }
   }
 })

playground/ssr-html/src/error.ts

@@ -0,0 +1,3 @@
+export function error() {
+  throw new Error('e')
+}

playground/ssr-html/test-stacktrace.js

@@ -3,8 +3,10 @@ import { fileURLToPath } from 'node:url'
 import { createServer } from 'vite'
 
 const isSourceMapEnabled = process.argv[2] === 'true'
+const ext = process.argv[3]
 process.setSourceMapsEnabled(isSourceMapEnabled)
 console.log('# sourcemaps enabled:', isSourceMapEnabled)
+console.log('# source file extension:', ext)
 
 const version = (() => {
   const m = process.version.match(/^v(\d+)\.(\d+)\.\d+$/)
@@ -31,17 +33,24 @@ const vite = await createServer({
   appType: 'custom',
 })
 
-const mod = await vite.ssrLoadModule('/src/error.js')
-try {
-  mod.error()
-} catch (e) {
-  // this should not be called
-  // when sourcemap support for `new Function` is supported and sourcemap is enabled
-  // because the stacktrace is already rewritten by Node.js
-  if (!(isSourceMapEnabled && isFunctionSourceMapSupported)) {
-    vite.ssrFixStacktrace(e)
+const dir = path.dirname(fileURLToPath(import.meta.url))
+
+const abs1 = await vite.ssrLoadModule(`/src/error.${ext}`)
+const abs2 = await vite.ssrLoadModule(path.resolve(dir, `./src/error.${ext}`))
+const relative = await vite.ssrLoadModule(`./src/error.${ext}`)
+
+for (const mod of [abs1, abs2, relative]) {
+  try {
+    mod.error()
+  } catch (e) {
+    // this should not be called
+    // when sourcemap support for `new Function` is supported and sourcemap is enabled
+    // because the stacktrace is already rewritten by Node.js
+    if (!(isSourceMapEnabled && isFunctionSourceMapSupported)) {
+      vite.ssrFixStacktrace(e)
+    }
+    console.log(e)
   }
-  console.log(e)
 }
 
 await vite.close()

playground/test-utils.ts

@@ -308,6 +308,9 @@ export const formatSourcemapForSnapshot = (map: any): any => {
   delete m.file
   delete m.names
   m.sources = m.sources.map((source) => source.replace(root, '/root'))
+  if (m.sourceRoot) {
+    m.sourceRoot = m.sourceRoot.replace(root, '/root')
+  }
   return m
 }