c9aa87cec0
When an Ivy NgModule is imported into a View Engine build, it doesn't have metadata.json files that describe it as an NgModule, so it appears to VE builds as a plain, undecorated class. The error message shown in this situation generic and confusing, since it recommends adding an @NgModule annotation to a class from a library. This commit adds special detection into the View Engine compiler to give a more specific error message when an Ivy NgModule is imported. PR Close #41534
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