NgModule Properties in Angular 2


NgModule is a decorator function that takes a single metadata object whose properties describe the module. The most important properties are:

declarations – the view classes that belong to this module. Angular has three kinds of view classes: components, directives, and pipes.
exports – the subset of declarations that should be visible and usable in the component templates of other modules.
imports – other modules whose exported classes are needed by component templates declared in this module.
providers – creators of services that this module contributes to the global collection of services; they become accessible in all parts of the app.
bootstrap – the main application view, called the root component, that hosts all other app views. Only the root module should set this bootstrap property.

Source: https://angular.io/

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