perf(plugin): enhance path resolution using import.meta.dirname for ES modules

src/electron.ts

@@ -41,9 +41,9 @@ export function supportESM(): boolean {
   return parseInt(majorVer) >= 28
 }
 
-export function getElectronMajorVersion(): number {
+export function supportImportMetaPaths(): boolean {
   const majorVer = getElectronMajorVer()
-  return parseInt(majorVer)
+  return parseInt(majorVer) >= 30
 }
 
 export function getElectronPath(): string {

src/plugins/asset.ts

@@ -4,6 +4,7 @@ import type { SourceMapInput } from 'rollup'
 import { type Plugin, normalizePath } from 'vite'
 import MagicString from 'magic-string'
 import { cleanUrl, getHash, toRelativePath } from '../utils'
+import { supportImportMetaPaths } from '../electron'
 
 const nodeAssetRE = /__VITE_NODE_ASSET__([\w$]+)__/g
 const nodePublicAssetRE = /__VITE_NODE_PUBLIC_ASSET__([a-z\d]{8})__/g
@@ -30,6 +31,7 @@ export default function assetPlugin(): Plugin {
   let outDir = ''
   const publicAssetPathCache = new Map<string, string>()
   const assetCache = new Map<string, string>()
+  const isImportMetaPathSupported = supportImportMetaPaths()
   return {
     name: 'vite:node-asset',
     apply: 'build',
@@ -81,14 +83,15 @@ export default function assetPlugin(): Plugin {
       }
 
       if (assetRE.test(id)) {
+        const dirnameExpr = isImportMetaPathSupported ? 'import.meta.dirname' : '__dirname'
         if (assetUnpackRE.test(id)) {
           return `
           import { join } from 'path'
-          export default join(__dirname, ${referenceId}).replace('app.asar', 'app.asar.unpacked')`
+          export default join(${dirnameExpr}, ${referenceId}).replace('app.asar', 'app.asar.unpacked')`
         } else {
           return `
           import { join } from 'path'
-          export default join(__dirname, ${referenceId})`
+          export default join(${dirnameExpr}, ${referenceId})`
         }
       }
 

src/plugins/esm.ts

@@ -8,7 +8,7 @@ import MagicString from 'magic-string'
 import type { SourceMapInput } from 'rollup'
 import type { Plugin } from 'vite'
 
-import { getElectronMajorVersion } from '../electron'
+import { supportImportMetaPaths } from '../electron'
 
 const CJSyntaxRe = /__filename|__dirname|require\(|require\.resolve\(/
 
@@ -46,7 +46,7 @@ function findStaticImports(code: string): StaticImport[] {
 }
 
 export default function esmShimPlugin(): Plugin {
-  const CJSShim = getElectronMajorVersion() >= 30 ? CJSShim_node_20_11 : CJSShim_normal
+  const CJSShim = supportImportMetaPaths() ? CJSShim_node_20_11 : CJSShim_normal
 
   return {
     name: 'vite:esm-shim',

src/plugins/modulePath.ts

@@ -3,6 +3,7 @@ import { type Plugin, type InlineConfig, build as viteBuild, mergeConfig } from
 import type { SourceMapInput, RollupOutput, OutputOptions } from 'rollup'
 import MagicString from 'magic-string'
 import { cleanUrl, toRelativePath } from '../utils'
+import { supportImportMetaPaths } from '../electron'
 
 const modulePathRE = /__VITE_MODULE_PATH__([\w$]+)__/g
 
@@ -10,6 +11,7 @@ const modulePathRE = /__VITE_MODULE_PATH__([\w$]+)__/g
  * Resolve `?modulePath` import and return the module bundle path.
  */
 export default function modulePathPlugin(config: InlineConfig): Plugin {
+  const isImportMetaPathSupported = supportImportMetaPaths()
   return {
     name: 'vite:module-path',
     apply: 'build',
@@ -32,9 +34,10 @@ export default function modulePathPlugin(config: InlineConfig): Plugin {
           })
         })
         const refId = `__VITE_MODULE_PATH__${hash}__`
+        const dirnameExpr = isImportMetaPathSupported ? 'import.meta.dirname' : '__dirname'
         return `
           import { join } from 'path'
-          export default join(__dirname, ${refId})`
+          export default join(${dirnameExpr}, ${refId})`
       }
     },
     renderChunk(code, chunk, { sourcemap }): { code: string; map: SourceMapInput } | null {