Build a library module
Type of library
Angular libraries can come in different shapes and for different purposes!
utils — a collection of various utilities, usually in form of stateless services
component library — a collection of reusable simple (dumb) components with only plain API facilitated using mostly
@Inputand@Outputdecoratorsdrop in component — a more complex component with its own state handling / data fetching which can still communicate with the parent application using
@Inputand@Output(eg pass in configuration or let the parent know about the outcome of some operation…)sub-application — the most complex library which could also run as a stand alone application if the need be. Such a library can come with multiple modules with their own routes, components and services… List taken from this article
Global explanation of how to set up a lib for Angular
Theming
Make library configurable
For short we need to use an injection token and a provider in the module definition of the lib and use forRoot in the consuming app.
Module resolution and library
How the modules of dist/library are available for all app without being a node module
Thanks to path additions of tsconfig.json added at the time of doing ng generate library my-lib
https://www.typescriptlang.org/docs/handbook/module-resolution.html#base-url
Get the assets of the library in dist folder
This issue is not more valid from angular 9
Publish the npm package
Use an open source free private npm package
Or use
npm packin dist/my-lib folder and npm install from this npm pack https://docs.npmjs.com/cli-commands/pack.html
Workspace (Angular CLI or NX) + Lazy loading and routing
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