@NgModule argument must be an object literal

[konsultaner]

🐞 bug report

Affected Package

The issue is caused by package @angular/compiler on @angular/core@next and @angular/compiler@8.0.0.

Is this a regression?

works with out ivy enabled

Description

if @NgModule() arguments are passed as variable I get this error

🔬 Minimal Reproduction

this fails:

const moduleDefinition = {...}

@NgModule(moduleDefinition)
export class AppModule {
    constructor() {}
}

this works:

@NgModule({...})
export class AppModule {
    constructor() {}
}

[alxhub]

This is an intentional change in Ivy - we're stricter about the arguments to decorators than View Engine was. It's a requirement for how Ivy compiles decorators (by moving the expressions inside them into other locations in the class output).

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