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fix(compiler-cli): find lazy routes in nested module import arrays 

Fixes: #17531
This commit is contained in:
Chuck Jazdzewski 2017-06-20 11:24:26 -07:00 committed by Hans
parent 00874c27f4
commit 8c89cc4fc5
2 changed files with 13 additions and 9 deletions
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4
packages/compiler-cli/integrationtest/ngtools_src/lazy.module.ts
View File

@ -14,11 +14,11 @@ export class LazyComponent {
} }
@NgModule({ @NgModule({
imports: [RouterModule.forChild([ imports: [[RouterModule.forChild([
{path: '', component: LazyComponent, pathMatch: 'full'}, {path: '', component: LazyComponent, pathMatch: 'full'},
{path: 'feature', loadChildren: './feature/feature.module#FeatureModule'}, {path: 'feature', loadChildren: './feature/feature.module#FeatureModule'},
{path: 'lazy-feature', loadChildren: './feature/lazy-feature.module#LazyFeatureModule'} {path: 'lazy-feature', loadChildren: './feature/lazy-feature.module#LazyFeatureModule'}
])], ])]],
declarations: [LazyComponent] declarations: [LazyComponent]
}) })
export class LazyModule { export class LazyModule {

14
packages/compiler-cli/src/ngtools_impl.ts
View File

@ -124,6 +124,12 @@ function _assertRoute(map: LazyRouteMap, route: LazyRoute) {
} }
} }
export function flatten<T>(list: Array<T|T[]>): T[] {
return list.reduce((flat: any[], item: T | T[]): T[] => {
const flatItem = Array.isArray(item) ? flatten(item) : item;
return (<T[]>flat).concat(flatItem);
}, []);
}
/** /**
* Extract all the LazyRoutes from a module. This extracts all `loadChildren` keys from this * Extract all the LazyRoutes from a module. This extracts all `loadChildren` keys from this
@ -134,10 +140,8 @@ function _extractLazyRoutesFromStaticModule(
staticSymbol: StaticSymbol, reflector: StaticReflector, host: AotCompilerHost, staticSymbol: StaticSymbol, reflector: StaticReflector, host: AotCompilerHost,
ROUTES: StaticSymbol): LazyRoute[] { ROUTES: StaticSymbol): LazyRoute[] {
const moduleMetadata = _getNgModuleMetadata(staticSymbol, reflector); const moduleMetadata = _getNgModuleMetadata(staticSymbol, reflector);
const allRoutes: any = const imports = flatten(moduleMetadata.imports || []);
(moduleMetadata.imports || []) const allRoutes: any = imports.filter(i => 'providers' in i).reduce((mem: Route[], m: any) => {
.filter(i => 'providers' in i)
.reduce((mem: Route[], m: any) => {
return mem.concat(_collectRoutes(m.providers || [], reflector, ROUTES)); return mem.concat(_collectRoutes(m.providers || [], reflector, ROUTES));
}, _collectRoutes(moduleMetadata.providers || [], reflector, ROUTES)); }, _collectRoutes(moduleMetadata.providers || [], reflector, ROUTES));
@ -150,7 +154,7 @@ function _extractLazyRoutesFromStaticModule(
}, []); }, []);
const importedSymbols = const importedSymbols =
((moduleMetadata.imports || []) as any[]) (imports as any[])
.filter(i => i instanceof StaticSymbol || i.ngModule instanceof StaticSymbol) .filter(i => i instanceof StaticSymbol || i.ngModule instanceof StaticSymbol)
.map(i => { .map(i => {
if (i instanceof StaticSymbol) return i; if (i instanceof StaticSymbol) return i;