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Essential Angular

You're reading from   Essential Angular Fast paced guide to Front-end web development with Angular

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Product type Paperback
Published in May 2017
Publisher Packt
ISBN-13 9781788293761
Length 108 pages
Edition 1st Edition
Tools
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Authors (3):
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Narwhal Technologies Inc Narwhal Technologies Inc
Author Profile Icon Narwhal Technologies Inc
Narwhal Technologies Inc
Jeff Cross Jeff Cross
Author Profile Icon Jeff Cross
Jeff Cross
Victor Savkin Victor Savkin
Author Profile Icon Victor Savkin
Victor Savkin
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Toc

Lazy loading

The setup gets more complex once you start using lazy-loading.

Lazy-loading a module is akin to bootstrapping a module in that it creates a new injector out of the module and plugs it into the injector tree. To see it in action, let's update our application to load the talks module lazily.

@NgModule({
declarations: [AppCmp],
providers: [RouterModule.forRoot([
{path: 'talks', loadChildren: 'talks'}
])]
})
class AppModule {}

@NgModule({
declarations: [FormattedRatingPipe, WatchButtonCmp, \
RateButtonCmp, TalkCmp, TalksCmp],
entryComponents: [TalksCmp],
providers: [TalksAppBackend, RouteModule.forChild([
{path: '', component: TalksCmp}
])]
})
class TalksModule {}

With this change, the injector tree will look as follows:

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