feat: add ignoreOutdatedRequests option to optimizeDeps (#21364)

jamesopstad · web-flow · commit b2e75aabe93e · 2026-01-07T14:48:12.000+09:00
diff --git a/packages/vite/src/node/config.ts b/packages/vite/src/node/config.ts
@@ -829,6 +829,8 @@ const configDefaults = Object.freeze({
     // entries
     /** @experimental */
     force: false,
+    /** @experimental */
+    ignoreOutdatedRequests: false,
   },
   ssr: ssrConfigDefaults,
   environments: {},
diff --git a/packages/vite/src/node/optimizer/index.ts b/packages/vite/src/node/optimizer/index.ts
@@ -163,6 +163,14 @@ export interface DepOptimizationConfig {
    * @experimental
    */
   holdUntilCrawlEnd?: boolean
+  /**
+   * When enabled, Vite will not throw an error when an outdated optimized
+   * dependency is requested. Enabling this option may cause a single module
+   * to have a multiple reference.
+   * @default false
+   * @experimental
+   */
+  ignoreOutdatedRequests?: boolean
 }
 
 export type DepOptimizationOptions = DepOptimizationConfig & {
diff --git a/packages/vite/src/node/plugins/optimizedDeps.ts b/packages/vite/src/node/plugins/optimizedDeps.ts
@@ -50,7 +50,11 @@ export function optimizedDepsPlugin(): Plugin {
         // Search in both the currently optimized and newly discovered deps
         const info = optimizedDepInfoFromFile(metadata, file)
         if (info) {
-          if (browserHash && info.browserHash !== browserHash) {
+          if (
+            browserHash &&
+            info.browserHash !== browserHash &&
+            !environment.config.optimizeDeps.ignoreOutdatedRequests
+          ) {
             throwOutdatedRequest(id)
           }
           try {
@@ -65,7 +69,10 @@ export function optimizedDepsPlugin(): Plugin {
           const newMetadata = depsOptimizer.metadata
           if (metadata !== newMetadata) {
             const currentInfo = optimizedDepInfoFromFile(newMetadata!, file)
-            if (info.browserHash !== currentInfo?.browserHash) {
+            if (
+              info.browserHash !== currentInfo?.browserHash &&
+              !environment.config.optimizeDeps.ignoreOutdatedRequests
+            ) {
               throwOutdatedRequest(id)
             }
           }
@@ -77,7 +84,10 @@ export function optimizedDepsPlugin(): Plugin {
         try {
           return await fsp.readFile(file, 'utf-8')
         } catch {
-          if (browserHash) {
+          if (
+            browserHash &&
+            !environment.config.optimizeDeps.ignoreOutdatedRequests
+          ) {
             // Outdated optimized files loaded after a rerun
             throwOutdatedRequest(id)
           }
