Why And How To Lazy Load Angular Libraries
This article is based on a real life experience from a large enterprise environment with more than 60 SPAs and cca 30 libraries…
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Angular libraries are great way to organize code! Angular CLI comes with an amazing built-in support to create, build and test library projects inside of the standard workspace.
Libraries shine the most in environments with multiple Angular applications with a large potential for code reuse and composition!
Libraries can also be of great help in shops which need to spit out client projects at a high cadence! In that case the libraries can represent reusable configurable add-ons from simple ones like music player or social feed to more complex one like full blown admin with multiple sub-routes!
Libraries are currently built with the help of ng-packagr which together with the advancements in the dependency injection mechanism (
providedIn: 'root'syntax ) lead to small tree-shakeable packages! That represents yet another reason to embrace libraries as a unit of shared code in the Angular ecosystem!
