chore: update type init (#10251)

Author: poyoho

packages/vite/src/node/plugins/importAnalysis.ts

@@ -187,8 +187,8 @@ export function importAnalysisPlugin(config: ResolvedConfig): Plugin {
 
       const start = performance.now()
       await init
-      let imports: readonly ImportSpecifier[] = []
-      let exports: readonly ExportSpecifier[] = []
+      let imports!: readonly ImportSpecifier[]
+      let exports!: readonly ExportSpecifier[]
       source = stripBomTag(source)
       try {
         ;[imports, exports] = parseImports(source)

packages/vite/src/node/plugins/importAnalysisBuild.ts

@@ -439,7 +439,7 @@ export function buildImportAnalysisPlugin(config: ResolvedConfig): Plugin {
         // dynamic import to constant json may get inlined.
         if (chunk.type === 'chunk' && chunk.code.indexOf(preloadMarker) > -1) {
           const code = chunk.code
-          let imports: ImportSpecifier[] = []
+          let imports!: ImportSpecifier[]
           try {
             imports = parseImports(code)[0].filter((i) => i.d > -1)
           } catch (e: any) {