Fix chunk load handling during prerendering #75132

unstubbable · 2025-01-21T11:12:31Z

TBD

unstubbable · 2025-01-21T11:12:40Z

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ijjk · 2025-01-21T11:20:25Z

Tests Passed

ijjk · 2025-01-21T11:27:10Z

Stats from current PR

Default Build (Increase detected ⚠️)

General

	vercel/next.js canary	vercel/next.js hl/fix-inner-use-cache-chunk-loading-warmup	Change
buildDuration	19.4s	19.6s	⚠️ +230ms
buildDurationCached	15.7s	13.3s	N/A
nodeModulesSize	418 MB	418 MB	N/A
nextStartRea..uration (ms)	426ms	427ms	N/A

Client Bundles (main, webpack)

	vercel/next.js canary	vercel/next.js hl/fix-inner-use-cache-chunk-loading-warmup	Change
5306-HASH.js gzip	54 kB	54 kB	N/A
8276.HASH.js gzip	169 B	168 B	N/A
8377-HASH.js gzip	5.46 kB	5.44 kB	N/A
bccd1874-HASH.js gzip	52.9 kB	52.9 kB	✓
framework-HASH.js gzip	57.5 kB	57.5 kB	N/A
main-app-HASH.js gzip	240 B	242 B	N/A
main-HASH.js gzip	34.6 kB	34.4 kB	N/A
webpack-HASH.js gzip	1.71 kB	1.71 kB	N/A
Overall change	52.9 kB	52.9 kB	✓

Legacy Client Bundles (polyfills)

	vercel/next.js canary	vercel/next.js hl/fix-inner-use-cache-chunk-loading-warmup	Change
polyfills-HASH.js gzip	39.4 kB	39.4 kB	✓
Overall change	39.4 kB	39.4 kB	✓

Client Pages

	vercel/next.js canary	vercel/next.js hl/fix-inner-use-cache-chunk-loading-warmup	Change
_app-HASH.js gzip	193 B	193 B	✓
_error-HASH.js gzip	193 B	193 B	✓
amp-HASH.js gzip	512 B	510 B	N/A
css-HASH.js gzip	343 B	342 B	N/A
dynamic-HASH.js gzip	1.84 kB	1.84 kB	✓
edge-ssr-HASH.js gzip	265 B	265 B	✓
head-HASH.js gzip	363 B	362 B	N/A
hooks-HASH.js gzip	393 B	392 B	N/A
image-HASH.js gzip	4.59 kB	4.57 kB	N/A
index-HASH.js gzip	268 B	268 B	✓
link-HASH.js gzip	2.35 kB	2.34 kB	N/A
routerDirect..HASH.js gzip	328 B	328 B	✓
script-HASH.js gzip	397 B	397 B	✓
withRouter-HASH.js gzip	323 B	326 B	N/A
1afbb74e6ecf..834.css gzip	106 B	106 B	✓
Overall change	3.59 kB	3.59 kB	✓

Client Build Manifests

	vercel/next.js canary	vercel/next.js hl/fix-inner-use-cache-chunk-loading-warmup	Change
_buildManifest.js gzip	748 B	747 B	N/A
Overall change	0 B	0 B	✓

Rendered Page Sizes

	vercel/next.js canary	vercel/next.js hl/fix-inner-use-cache-chunk-loading-warmup	Change
index.html gzip	524 B	524 B	✓
link.html gzip	540 B	538 B	N/A
withRouter.html gzip	520 B	521 B	N/A
Overall change	524 B	524 B	✓

Edge SSR bundle Size Overall increase ⚠️

	vercel/next.js canary	vercel/next.js hl/fix-inner-use-cache-chunk-loading-warmup	Change
edge-ssr.js gzip	129 kB	129 kB	N/A
page.js gzip	208 kB	209 kB	⚠️ +109 B
Overall change	208 kB	209 kB	⚠️ +109 B

Middleware size

	vercel/next.js canary	vercel/next.js hl/fix-inner-use-cache-chunk-loading-warmup	Change
middleware-b..fest.js gzip	670 B	667 B	N/A
middleware-r..fest.js gzip	155 B	156 B	N/A
middleware.js gzip	31.3 kB	31.3 kB	N/A
edge-runtime..pack.js gzip	844 B	844 B	✓
Overall change	844 B	844 B	✓

Next Runtimes Overall increase ⚠️

	vercel/next.js canary	vercel/next.js hl/fix-inner-use-cache-chunk-loading-warmup	Change
274-experime...dev.js gzip	322 B	322 B	✓
274.runtime.dev.js gzip	314 B	314 B	✓
app-page-exp...dev.js gzip	375 kB	376 kB	⚠️ +721 B
app-page-exp..prod.js gzip	130 kB	130 kB	⚠️ +130 B
app-page-tur..prod.js gzip	143 kB	143 kB	⚠️ +252 B
app-page-tur..prod.js gzip	139 kB	139 kB	⚠️ +369 B
app-page.run...dev.js gzip	363 kB	364 kB	⚠️ +798 B
app-page.run..prod.js gzip	126 kB	127 kB	⚠️ +221 B
app-route-ex...dev.js gzip	37.6 kB	37.6 kB	✓
app-route-ex..prod.js gzip	25.6 kB	25.6 kB	✓
app-route-tu..prod.js gzip	25.6 kB	25.6 kB	✓
app-route-tu..prod.js gzip	25.4 kB	25.4 kB	✓
app-route.ru...dev.js gzip	39.2 kB	39.2 kB	✓
app-route.ru..prod.js gzip	25.4 kB	25.4 kB	✓
pages-api-tu..prod.js gzip	9.69 kB	9.69 kB	✓
pages-api.ru...dev.js gzip	11.6 kB	11.6 kB	✓
pages-api.ru..prod.js gzip	9.68 kB	9.68 kB	✓
pages-turbo...prod.js gzip	21.9 kB	21.9 kB	N/A
pages.runtim...dev.js gzip	27.7 kB	27.7 kB	N/A
pages.runtim..prod.js gzip	21.9 kB	21.9 kB	N/A
server.runti..prod.js gzip	916 kB	916 kB	N/A
Overall change	1.49 MB	1.49 MB	⚠️ +2.49 kB

build cache Overall increase ⚠️

	vercel/next.js canary	vercel/next.js hl/fix-inner-use-cache-chunk-loading-warmup	Change
0.pack gzip	2.1 MB	2.1 MB	N/A
index.pack gzip	74.4 kB	74.8 kB	⚠️ +375 B
Overall change	74.4 kB	74.8 kB	⚠️ +375 B

Diff details

Diff for edge-ssr.js

Diff too large to display

Diff for image-HASH.js

@@ -1,7 +1,7 @@
 (self["webpackChunk_N_E"] = self["webpackChunk_N_E"] || []).push([
   [2983],
   {
-    /***/ 3705: /***/ (
+    /***/ 8255: /***/ (
       __unused_webpack_module,
       __unused_webpack_exports,
       __webpack_require__
@@ -9,7 +9,7 @@
       (window.__NEXT_P = window.__NEXT_P || []).push([
         "/image",
         function () {
-          return __webpack_require__(8448);
+          return __webpack_require__(8926);
         },
       ]);
       if (false) {
@@ -18,7 +18,7 @@
       /***/
     },
 
-    /***/ 7342: /***/ (module, exports, __webpack_require__) => {
+    /***/ 4369: /***/ (module, exports, __webpack_require__) => {
       "use strict";
       /* __next_internal_client_entry_do_not_use__  cjs */
       Object.defineProperty(exports, "__esModule", {
@@ -40,17 +40,17 @@
         __webpack_require__(6049)
       );
       const _head = /*#__PURE__*/ _interop_require_default._(
-        __webpack_require__(7196)
+        __webpack_require__(956)
       );
-      const _getimgprops = __webpack_require__(2661);
-      const _imageconfig = __webpack_require__(72);
-      const _imageconfigcontextsharedruntime = __webpack_require__(6386);
-      const _warnonce = __webpack_require__(4496);
-      const _routercontextsharedruntime = __webpack_require__(6443);
+      const _getimgprops = __webpack_require__(485);
+      const _imageconfig = __webpack_require__(4664);
+      const _imageconfigcontextsharedruntime = __webpack_require__(1250);
+      const _warnonce = __webpack_require__(1648);
+      const _routercontextsharedruntime = __webpack_require__(907);
       const _imageloader = /*#__PURE__*/ _interop_require_default._(
-        __webpack_require__(3433)
+        __webpack_require__(6489)
       );
-      const _usemergedref = __webpack_require__(1942);
+      const _usemergedref = __webpack_require__(5942);
       // This is replaced by webpack define plugin
       const configEnv = {
         deviceSizes: [640, 750, 828, 1080, 1200, 1920, 2048, 3840],
@@ -377,7 +377,7 @@
       /***/
     },
 
-    /***/ 1942: /***/ (module, exports, __webpack_require__) => {
+    /***/ 5942: /***/ (module, exports, __webpack_require__) => {
       "use strict";
 
       Object.defineProperty(exports, "__esModule", {
@@ -391,39 +391,22 @@
       });
       const _react = __webpack_require__(8101);
       function useMergedRef(refA, refB) {
-        const cleanupA = (0, _react.useRef)(null);
-        const cleanupB = (0, _react.useRef)(null);
-        // NOTE: In theory, we could skip the wrapping if only one of the refs is non-null.
-        // (this happens often if the user doesn't pass a ref to Link/Form/Image)
-        // But this can cause us to leak a cleanup-ref into user code (e.g. via `<Link legacyBehavior>`),
-        // and the user might pass that ref into ref-merging library that doesn't support cleanup refs
-        // (because it hasn't been updated for React 19)
-        // which can then cause things to blow up, because a cleanup-returning ref gets called with `null`.
-        // So in practice, it's safer to be defensive and always wrap the ref, even on React 19.
-        return (0, _react.useCallback)(
-          (current) => {
+        const cleanupA = (0, _react.useRef)(() => {});
+        const cleanupB = (0, _react.useRef)(() => {});
+        return (0, _react.useMemo)(() => {
+          if (!refA || !refB) {
+            return refA || refB;
+          }
+          return (current) => {
             if (current === null) {
-              const cleanupFnA = cleanupA.current;
-              if (cleanupFnA) {
-                cleanupA.current = null;
-                cleanupFnA();
-              }
-              const cleanupFnB = cleanupB.current;
-              if (cleanupFnB) {
-                cleanupB.current = null;
-                cleanupFnB();
-              }
+              cleanupA.current();
+              cleanupB.current();
             } else {
-              if (refA) {
-                cleanupA.current = applyRef(refA, current);
-              }
-              if (refB) {
-                cleanupB.current = applyRef(refB, current);
-              }
+              cleanupA.current = applyRef(refA, current);
+              cleanupB.current = applyRef(refB, current);
             }
-          },
-          [refA, refB]
-        );
+          };
+        }, [refA, refB]);
       }
       function applyRef(refA, current) {
         if (typeof refA === "function") {
@@ -455,7 +438,7 @@
       /***/
     },
 
-    /***/ 2661: /***/ (
+    /***/ 485: /***/ (
       __unused_webpack_module,
       exports,
       __webpack_require__
@@ -471,9 +454,9 @@
           return getImgProps;
         },
       });
-      const _warnonce = __webpack_require__(4496);
-      const _imageblursvg = __webpack_require__(4796);
-      const _imageconfig = __webpack_require__(72);
+      const _warnonce = __webpack_require__(1648);
+      const _imageblursvg = __webpack_require__(4812);
+      const _imageconfig = __webpack_require__(4664);
       const VALID_LOADING_VALUES =
         /* unused pure expression or super */ null && [
           "lazy",
@@ -881,7 +864,7 @@
       /***/
     },
 
-    /***/ 4796: /***/ (__unused_webpack_module, exports) => {
+    /***/ 4812: /***/ (__unused_webpack_module, exports) => {
       "use strict";
       /**
        * A shared function, used on both client and server, to generate a SVG blur placeholder.
@@ -936,7 +919,7 @@
       /***/
     },
 
-    /***/ 1969: /***/ (
+    /***/ 8273: /***/ (
       __unused_webpack_module,
       exports,
       __webpack_require__
@@ -963,10 +946,10 @@
         },
       });
       const _interop_require_default = __webpack_require__(173);
-      const _getimgprops = __webpack_require__(2661);
-      const _imagecomponent = __webpack_require__(7342);
+      const _getimgprops = __webpack_require__(485);
+      const _imagecomponent = __webpack_require__(4369);
       const _imageloader = /*#__PURE__*/ _interop_require_default._(
-        __webpack_require__(3433)
+        __webpack_require__(6489)
       );
       function getImageProps(imgProps) {
         const { props } = (0, _getimgprops.getImgProps)(imgProps, {
@@ -998,7 +981,7 @@
       /***/
     },
 
-    /***/ 3433: /***/ (__unused_webpack_module, exports) => {
+    /***/ 6489: /***/ (__unused_webpack_module, exports) => {
       "use strict";
 
       Object.defineProperty(exports, "__esModule", {
@@ -1045,7 +1028,7 @@
       /***/
     },
 
-    /***/ 8448: /***/ (
+    /***/ 8926: /***/ (
       __unused_webpack_module,
       __webpack_exports__,
       __webpack_require__
@@ -1062,8 +1045,8 @@
 
       // EXTERNAL MODULE: ./node_modules/.pnpm/[email protected]/node_modules/react/jsx-runtime.js
       var jsx_runtime = __webpack_require__(5105);
-      // EXTERNAL MODULE: ./node_modules/.pnpm/next@[email protected][email protected][email protected]/node_modules/next/image.js
-      var next_image = __webpack_require__(8140);
+      // EXTERNAL MODULE: ./node_modules/.pnpm/next@[email protected][email protected][email protected]/node_modules/next/image.js
+      var next_image = __webpack_require__(5434);
       var image_default = /*#__PURE__*/ __webpack_require__.n(next_image); // ./pages/nextjs.png
       /* harmony default export */ const nextjs = {
         src: "/_next/static/media/nextjs.cae0b805.png",
@@ -1093,12 +1076,12 @@
       /***/
     },
 
-    /***/ 8140: /***/ (
+    /***/ 5434: /***/ (
       module,
       __unused_webpack_exports,
       __webpack_require__
     ) => {
-      module.exports = __webpack_require__(1969);
+      module.exports = __webpack_require__(8273);
 
       /***/
     },
@@ -1108,7 +1091,7 @@
     /******/ var __webpack_exec__ = (moduleId) =>
       __webpack_require__((__webpack_require__.s = moduleId));
     /******/ __webpack_require__.O(0, [636, 6593, 8792], () =>
-      __webpack_exec__(3705)
+      __webpack_exec__(8255)
     );
     /******/ var __webpack_exports__ = __webpack_require__.O();
     /******/ _N_E = __webpack_exports__;

Diff for link-HASH.js

@@ -1,7 +1,7 @@
 (self["webpackChunk_N_E"] = self["webpackChunk_N_E"] || []).push([
   [4672],
   {
-    /***/ 3679: /***/ (
+    /***/ 6613: /***/ (
       __unused_webpack_module,
       __unused_webpack_exports,
       __webpack_require__
@@ -9,7 +9,7 @@
       (window.__NEXT_P = window.__NEXT_P || []).push([
         "/link",
         function () {
-          return __webpack_require__(8562);
+          return __webpack_require__(2488);
         },
       ]);
       if (false) {
@@ -18,7 +18,7 @@
       /***/
     },
 
-    /***/ 7597: /***/ (module, exports, __webpack_require__) => {
+    /***/ 58: /***/ (module, exports, __webpack_require__) => {
       "use strict";
 
       Object.defineProperty(exports, "__esModule", {
@@ -30,7 +30,7 @@
           return getDomainLocale;
         },
       });
-      const _normalizetrailingslash = __webpack_require__(4858);
+      const _normalizetrailingslash = __webpack_require__(8650);
       const basePath =
         /* unused pure expression or super */ null && (false || "");
       function getDomainLocale(path, locale, locales, domainLocales) {
@@ -54,7 +54,7 @@
       /***/
     },
 
-    /***/ 3000: /***/ (module, exports, __webpack_require__) => {
+    /***/ 9400: /***/ (module, exports, __webpack_require__) => {
       "use strict";
       /* __next_internal_client_entry_do_not_use__  cjs */
       Object.defineProperty(exports, "__esModule", {
@@ -71,16 +71,16 @@
       const _react = /*#__PURE__*/ _interop_require_default._(
         __webpack_require__(8101)
       );
-      const _resolvehref = __webpack_require__(9978);
-      const _islocalurl = __webpack_require__(1762);
-      const _formaturl = __webpack_require__(9835);
-      const _utils = __webpack_require__(4781);
-      const _addlocale = __webpack_require__(5244);
-      const _routercontextsharedruntime = __webpack_require__(6443);
-      const _useintersection = __webpack_require__(1587);
-      const _getdomainlocale = __webpack_require__(7597);
-      const _addbasepath = __webpack_require__(7439);
-      const _usemergedref = __webpack_require__(1942);
+      const _resolvehref = __webpack_require__(5066);
+      const _islocalurl = __webpack_require__(5266);
+      const _formaturl = __webpack_require__(4507);
+      const _utils = __webpack_require__(3085);
+      const _addlocale = __webpack_require__(8172);
+      const _routercontextsharedruntime = __webpack_require__(907);
+      const _useintersection = __webpack_require__(9347);
+      const _getdomainlocale = __webpack_require__(58);
+      const _addbasepath = __webpack_require__(943);
+      const _usemergedref = __webpack_require__(5942);
       const prefetched = new Set();
       function prefetch(router, href, as, options) {
         if (false) {
@@ -433,7 +433,7 @@
       /***/
     },
 
-    /***/ 1587: /***/ (module, exports, __webpack_require__) => {
+    /***/ 9347: /***/ (module, exports, __webpack_require__) => {
       "use strict";
 
       Object.defineProperty(exports, "__esModule", {
@@ -446,7 +446,7 @@
         },
       });
       const _react = __webpack_require__(8101);
-      const _requestidlecallback = __webpack_require__(7512);
+      const _requestidlecallback = __webpack_require__(5832);
       const hasIntersectionObserver =
         typeof IntersectionObserver === "function";
       const observers = new Map();
@@ -559,7 +559,7 @@
       /***/
     },
 
-    /***/ 1942: /***/ (module, exports, __webpack_require__) => {
+    /***/ 5942: /***/ (module, exports, __webpack_require__) => {
       "use strict";
 
       Object.defineProperty(exports, "__esModule", {
@@ -573,39 +573,22 @@
       });
       const _react = __webpack_require__(8101);
       function useMergedRef(refA, refB) {
-        const cleanupA = (0, _react.useRef)(null);
-        const cleanupB = (0, _react.useRef)(null);
-        // NOTE: In theory, we could skip the wrapping if only one of the refs is non-null.
-        // (this happens often if the user doesn't pass a ref to Link/Form/Image)
-        // But this can cause us to leak a cleanup-ref into user code (e.g. via `<Link legacyBehavior>`),
-        // and the user might pass that ref into ref-merging library that doesn't support cleanup refs
-        // (because it hasn't been updated for React 19)
-        // which can then cause things to blow up, because a cleanup-returning ref gets called with `null`.
-        // So in practice, it's safer to be defensive and always wrap the ref, even on React 19.
-        return (0, _react.useCallback)(
-          (current) => {
+        const cleanupA = (0, _react.useRef)(() => {});
+        const cleanupB = (0, _react.useRef)(() => {});
+        return (0, _react.useMemo)(() => {
+          if (!refA || !refB) {
+            return refA || refB;
+          }
+          return (current) => {
             if (current === null) {
-              const cleanupFnA = cleanupA.current;
-              if (cleanupFnA) {
-                cleanupA.current = null;
-                cleanupFnA();
-              }
-              const cleanupFnB = cleanupB.current;
-              if (cleanupFnB) {
-                cleanupB.current = null;
-                cleanupFnB();
-              }
+              cleanupA.current();
+              cleanupB.current();
             } else {
-              if (refA) {
-                cleanupA.current = applyRef(refA, current);
-              }
-              if (refB) {
-                cleanupB.current = applyRef(refB, current);
-              }
+              cleanupA.current = applyRef(refA, current);
+              cleanupB.current = applyRef(refB, current);
             }
-          },
-          [refA, refB]
-        );
+          };
+        }, [refA, refB]);
       }
       function applyRef(refA, current) {
         if (typeof refA === "function") {
@@ -637,7 +620,7 @@
       /***/
     },
 
-    /***/ 8562: /***/ (
+    /***/ 2488: /***/ (
       __unused_webpack_module,
       __webpack_exports__,
       __webpack_require__
@@ -652,7 +635,7 @@
       /* harmony import */ var react_jsx_runtime__WEBPACK_IMPORTED_MODULE_0__ =
         __webpack_require__(5105);
       /* harmony import */ var next_link__WEBPACK_IMPORTED_MODULE_1__ =
-        __webpack_require__(4101);
+        __webpack_require__(4779);
       /* harmony import */ var next_link__WEBPACK_IMPORTED_MODULE_1___default =
         /*#__PURE__*/ __webpack_require__.n(
           next_link__WEBPACK_IMPORTED_MODULE_1__
@@ -683,12 +666,12 @@
       /***/
     },
 
-    /***/ 4101: /***/ (
+    /***/ 4779: /***/ (
       module,
       __unused_webpack_exports,
       __webpack_require__
     ) => {
-      module.exports = __webpack_require__(3000);
+      module.exports = __webpack_require__(9400);
 
       /***/
     },
@@ -698,7 +681,7 @@
     /******/ var __webpack_exec__ = (moduleId) =>
       __webpack_require__((__webpack_require__.s = moduleId));
     /******/ __webpack_require__.O(0, [636, 6593, 8792], () =>
-      __webpack_exec__(3679)
+      __webpack_exec__(6613)
     );
     /******/ var __webpack_exports__ = __webpack_require__.O();
     /******/ _N_E = __webpack_exports__;

Diff for 5306-HASH.js

Diff too large to display

Diff for 8377-HASH.js

@@ -1,8 +1,8 @@
 "use strict";
 (self["webpackChunk_N_E"] = self["webpackChunk_N_E"] || []).push([
-  [8377],
+  [2727],
   {
-    /***/ 8377: /***/ (module, exports, __webpack_require__) => {
+    /***/ 2727: /***/ (module, exports, __webpack_require__) => {
       /* __next_internal_client_entry_do_not_use__  cjs */
       Object.defineProperty(exports, "__esModule", {
         value: true,
@@ -13,27 +13,27 @@
           return Image;
         },
       });
-      const _interop_require_default = __webpack_require__(2952);
-      const _interop_require_wildcard = __webpack_require__(333);
-      const _jsxruntime = __webpack_require__(3094);
+      const _interop_require_default = __webpack_require__(384);
+      const _interop_require_wildcard = __webpack_require__(4261);
+      const _jsxruntime = __webpack_require__(7048);
       const _react = /*#__PURE__*/ _interop_require_wildcard._(
-        __webpack_require__(1446)
+        __webpack_require__(228)
       );
       const _reactdom = /*#__PURE__*/ _interop_require_default._(
-        __webpack_require__(8307)
+        __webpack_require__(9221)
       );
       const _head = /*#__PURE__*/ _interop_require_default._(
-        __webpack_require__(8050)
+        __webpack_require__(1116)
       );
-      const _getimgprops = __webpack_require__(3201);
-      const _imageconfig = __webpack_require__(6678);
-      const _imageconfigcontextsharedruntime = __webpack_require__(578);
-      const _warnonce = __webpack_require__(1971);
-      const _routercontextsharedruntime = __webpack_require__(7795);
+      const _getimgprops = __webpack_require__(5763);
+      const _imageconfig = __webpack_require__(6224);
+      const _imageconfigcontextsharedruntime = __webpack_require__(6720);
+      const _warnonce = __webpack_require__(894);
+      const _routercontextsharedruntime = __webpack_require__(9093);
       const _imageloader = /*#__PURE__*/ _interop_require_default._(
-        __webpack_require__(1315)
+        __webpack_require__(2809)
       );
-      const _usemergedref = __webpack_require__(592);
+      const _usemergedref = __webpack_require__(1329);
       // This is replaced by webpack define plugin
       const configEnv = {
         deviceSizes: [640, 750, 828, 1080, 1200, 1920, 2048, 3840],
@@ -361,7 +361,7 @@
       /***/
     },
 
-    /***/ 592: /***/ (module, exports, __webpack_require__) => {
+    /***/ 1329: /***/ (module, exports, __webpack_require__) => {
       Object.defineProperty(exports, "__esModule", {
         value: true,
       });
@@ -371,41 +371,24 @@
           return useMergedRef;
         },
       });
-      const _react = __webpack_require__(1446);
+      const _react = __webpack_require__(228);
       function useMergedRef(refA, refB) {
-        const cleanupA = (0, _react.useRef)(null);
-        const cleanupB = (0, _react.useRef)(null);
-        // NOTE: In theory, we could skip the wrapping if only one of the refs is non-null.
-        // (this happens often if the user doesn't pass a ref to Link/Form/Image)
-        // But this can cause us to leak a cleanup-ref into user code (e.g. via `<Link legacyBehavior>`),
-        // and the user might pass that ref into ref-merging library that doesn't support cleanup refs
-        // (because it hasn't been updated for React 19)
-        // which can then cause things to blow up, because a cleanup-returning ref gets called with `null`.
-        // So in practice, it's safer to be defensive and always wrap the ref, even on React 19.
-        return (0, _react.useCallback)(
-          (current) => {
+        const cleanupA = (0, _react.useRef)(() => {});
+        const cleanupB = (0, _react.useRef)(() => {});
+        return (0, _react.useMemo)(() => {
+          if (!refA || !refB) {
+            return refA || refB;
+          }
+          return (current) => {
             if (current === null) {
-              const cleanupFnA = cleanupA.current;
-              if (cleanupFnA) {
-                cleanupA.current = null;
-                cleanupFnA();
-              }
-              const cleanupFnB = cleanupB.current;
-              if (cleanupFnB) {
-                cleanupB.current = null;
-                cleanupFnB();
-              }
+              cleanupA.current();
+              cleanupB.current();
             } else {
-              if (refA) {
-                cleanupA.current = applyRef(refA, current);
-              }
-              if (refB) {
-                cleanupB.current = applyRef(refB, current);
-              }
+              cleanupA.current = applyRef(refA, current);
+              cleanupB.current = applyRef(refB, current);
             }
-          },
-          [refA, refB]
-        );
+          };
+        }, [refA, refB]);
       }
       function applyRef(refA, current) {
         if (typeof refA === "function") {
@@ -437,7 +420,7 @@
       /***/
     },
 
-    /***/ 5318: /***/ (
+    /***/ 272: /***/ (
       __unused_webpack_module,
       exports,
       __webpack_require__
@@ -451,9 +434,9 @@
           return AmpStateContext;
         },
       });
-      const _interop_require_default = __webpack_require__(2952);
+      const _interop_require_default = __webpack_require__(384);
       const _react = /*#__PURE__*/ _interop_require_default._(
-        __webpack_require__(1446)
+        __webpack_require__(228)
       );
       const AmpStateContext = _react.default.createContext({});
       if (false) {
@@ -462,7 +445,7 @@
       /***/
     },
 
-    /***/ 1210: /***/ (__unused_webpack_module, exports) => {
+    /***/ 1467: /***/ (__unused_webpack_module, exports) => {
       Object.defineProperty(exports, "__esModule", {
         value: true,
       });
@@ -484,7 +467,7 @@
       /***/
     },
 
-    /***/ 3201: /***/ (
+    /***/ 5763: /***/ (
       __unused_webpack_module,
       exports,
       __webpack_require__
@@ -498,9 +481,9 @@
           return getImgProps;
         },
       });
-      const _warnonce = __webpack_require__(1971);
-      const _imageblursvg = __webpack_require__(3482);
-      const _imageconfig = __webpack_require__(6678);
+      const _warnonce = __webpack_require__(894);
+      const _imageblursvg = __webpack_require__(5868);
+      const _imageconfig = __webpack_require__(6224);
       const VALID_LOADING_VALUES =
         /* unused pure expression or super */ null && [
           "lazy",
@@ -908,8 +891,8 @@
       /***/
     },
 
-    /***/ 8050: /***/ (module, exports, __webpack_require__) => {
-      /* provided dependency */ var process = __webpack_require__(6611);
+    /***/ 1116: /***/ (module, exports, __webpack_require__) => {
+      /* provided dependency */ var process = __webpack_require__(9829);
       /* __next_internal_client_entry_do_not_use__  cjs */
       Object.defineProperty(exports, "__esModule", {
         value: true,
@@ -930,19 +913,19 @@
           return defaultHead;
         },
       });
-      const _interop_require_default = __webpack_require__(2952);
-      const _interop_require_wildcard = __webpack_require__(333);
-      const _jsxruntime = __webpack_require__(3094);
+      const _interop_require_default = __webpack_require__(384);
+      const _interop_require_wildcard = __webpack_require__(4261);
+      const _jsxruntime = __webpack_require__(7048);
       const _react = /*#__PURE__*/ _interop_require_wildcard._(
-        __webpack_require__(1446)
+        __webpack_require__(228)
       );
       const _sideeffect = /*#__PURE__*/ _interop_require_default._(
-        __webpack_require__(4607)
+        __webpack_require__(4101)
       );
-      const _ampcontextsharedruntime = __webpack_require__(5318);
-      const _headmanagercontextsharedruntime = __webpack_require__(7060);
-      const _ampmode = __webpack_require__(1210);
-      const _warnonce = __webpack_require__(1971);
+      const _ampcontextsharedruntime = __webpack_require__(272);
+      const _headmanagercontextsharedruntime = __webpack_require__(1790);
+      const _ampmode = __webpack_require__(1467);
+      const _warnonce = __webpack_require__(894);
       function defaultHead(inAmpMode) {
         if (inAmpMode === void 0) inAmpMode = false;
         const head = [
@@ -1126,7 +1109,7 @@
       /***/
     },
 
-    /***/ 3482: /***/ (__unused_webpack_module, exports) => {
+    /***/ 5868: /***/ (__unused_webpack_module, exports) => {
       /**
        * A shared function, used on both client and server, to generate a SVG blur placeholder.
        */
@@ -1180,7 +1163,7 @@
       /***/
     },
 
-    /***/ 578: /***/ (
+    /***/ 6720: /***/ (
       __unused_webpack_module,
       exports,
       __webpack_require__
@@ -1194,11 +1177,11 @@
           return ImageConfigContext;
         },
       });
-      const _interop_require_default = __webpack_require__(2952);
+      const _interop_require_default = __webpack_require__(384);
       const _react = /*#__PURE__*/ _interop_require_default._(
-        __webpack_require__(1446)
+        __webpack_require__(228)
       );
-      const _imageconfig = __webpack_require__(6678);
+      const _imageconfig = __webpack_require__(6224);
       const ImageConfigContext = _react.default.createContext(
         _imageconfig.imageConfigDefault
       );
@@ -1208,7 +1191,7 @@
       /***/
     },
 
-    /***/ 6678: /***/ (__unused_webpack_module, exports) => {
+    /***/ 6224: /***/ (__unused_webpack_module, exports) => {
       Object.defineProperty(exports, "__esModule", {
         value: true,
       });
@@ -1257,7 +1240,7 @@
       /***/
     },
 
-    /***/ 1315: /***/ (__unused_webpack_module, exports) => {
+    /***/ 2809: /***/ (__unused_webpack_module, exports) => {
       Object.defineProperty(exports, "__esModule", {
         value: true,
       });
@@ -1302,7 +1285,7 @@
       /***/
     },
 
-    /***/ 7795: /***/ (
+    /***/ 9093: /***/ (
       __unused_webpack_module,
       exports,
       __webpack_require__
@@ -1316,9 +1299,9 @@
           return RouterContext;
         },
       });
-      const _interop_require_default = __webpack_require__(2952);
+      const _interop_require_default = __webpack_require__(384);
       const _react = /*#__PURE__*/ _interop_require_default._(
-        __webpack_require__(1446)
+        __webpack_require__(228)
       );
       const RouterContext = _react.default.createContext(null);
       if (false) {
@@ -1327,7 +1310,7 @@
       /***/
     },
 
-    /***/ 4607: /***/ (
+    /***/ 4101: /***/ (
       __unused_webpack_module,
       exports,
       __webpack_require__
@@ -1341,7 +1324,7 @@
           return SideEffect;
         },
       });
-      const _react = __webpack_require__(1446);
+      const _react = __webpack_require__(228);
       const isServer = typeof window === "undefined";
       const useClientOnlyLayoutEffect = isServer
         ? () => {}

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Commit: 1c4783a

unstubbable added 2 commits January 21, 2025 12:10

Add failing test for chunk loading with inner "use cache"

6b51cfb

Fix trackChunkLoading

6ace07d

ijjk added created-by: Next.js team PRs by the Next.js team. tests type: next labels Jan 21, 2025

This was referenced Jan 21, 2025

Fix source mapping of generated cache wrapper calls #74987

Open

Restore and enhance error handling for hanging inputs in "use cache" #74652

Open

Error handling for hanging promises in "use cache" closures #74750

Open

unstubbable changed the title ~~Add failing test for chunk loading with inner "use cache"~~ Fix chunk load handling during prerender warmup Jan 21, 2025

unstubbable added 4 commits January 22, 2025 13:01

Patch preloadModule

bb07e74

Remove now obsolete warmFlightResponse and trackChunkLoading

55db455

Revert PPR prerender abort logic changes

c9be398

Await cacheReady during initial PPR prerender

1c4783a

unstubbable changed the title ~~Fix chunk load handling during prerender warmup~~ Fix chunk load handling during prerendering Jan 22, 2025

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Fix chunk load handling during prerendering #75132

Fix chunk load handling during prerendering #75132

unstubbable commented Jan 21, 2025 •

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Fix chunk load handling during prerendering #75132

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Fix chunk load handling during prerendering #75132

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