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fix(@angular/build): handle undefined getOrCreateAngularServerApp during error compilation #29908

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merged 1 commit into from
Mar 21, 2025
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fix(@angular/build): handle undefined getOrCreateAngularServerApp during error compilation #29908

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11 changes: 6 additions & 5 deletions packages/angular/build/src/tools/vite/middlewares/ssr-middleware.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -40,15 +40,16 @@ export function createAngularSsrInternalMiddleware(
const { writeResponseToNodeResponse, createWebRequestFromNodeRequest } =
await loadEsmModule<typeof import('@angular/ssr/node')>('@angular/ssr/node');

// The following is necessary because accessing the module after invalidation may result in an empty module,
// which can trigger a `TypeError: ɵgetOrCreateAngularServerApp is not a function` error.
// TODO: look into why.
await server.ssrLoadModule('/main.server.mjs');

const { ɵgetOrCreateAngularServerApp } = (await server.ssrLoadModule('/main.server.mjs')) as {
ɵgetOrCreateAngularServerApp: typeof getOrCreateAngularServerApp;
};

// `ɵgetOrCreateAngularServerApp` can be undefined right after an error.
// See: https://github.com/angular/angular-cli/issues/29907
if (!ɵgetOrCreateAngularServerApp) {
return next();
}

const angularServerApp = ɵgetOrCreateAngularServerApp({
allowStaticRouteRender: true,
});
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