fix(@angular-devkit/build-angular): avoid extra tick in SSR builds #31144
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In SSR applications, an unnecessary event loop tick during server startup could lead to an incorrect platform being initialized. This change introduces an `ngJitMode` define, which is set to `false` during AOT builds. This allows for the JIT-specific code paths to not be followed, preventing the async operations that caused the extra tick. This ensures that the server platform is correctly and synchronously initialized.
alan-agius4
added
action: review
alan-agius4
commented
Sep 9, 2025
| @@ -219,6 +219,7 @@ async function initialize( | |||
| { | |||
| plugins: [ | |||
| new webpack.DefinePlugin({ | |||
| 'ngJitMode': false, | |||
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JIT is not supported with the webpack builder.
jkrems
approved these changes
Sep 9, 2025
alan-agius4
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action: merge
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In SSR applications, an unnecessary event loop tick during server startup could lead to an incorrect platform being initialized.
This change introduces an
ngJitModedefine, which is set tofalseduring AOT builds. This allows for the JIT-specific code paths to not be followed, preventing the async operations that caused the extra tick. This ensures that the server platform is correctly and synchronously initialized.