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Business Architectures with Angular Libraries, NX and Monorepos

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Why?

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Encapsulation

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Angular Modules

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Feature Modules

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import { NgModule } from '@angular/core'; @NgModule({ imports: [ ... ], declarations: [ AppComponent, HelloComponent, Hello1Component, Hello2Component, Hello3Component, Hello4Component, Hello5Component, Hello6Component, Hello7Component, Hello8Component, Hello9Component, Hello10Component, Hello11Component, Hello12Component, Hello13Component, Hello14Component, Hello15Component 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22

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import { NgModule } from '@angular/core'; @NgModule({ imports: [ ... ], declarations: [ AppComponent, Feature1Component1, Feature1Component2, Feature1Component3, Feature1Component4, Feature1Component5, Feature1Component6, Feature2Component1, Feature2Component2, Feature2Component3, Feature2Component4, Feature2Component5, Feature2Component6, ... ], bootstrap: [AppComponent] 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22

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import { NgModule } from '@angular/core'; import { CommonModule } from '@angular/common'; @NgModule({ imports: [ CommonModule ], declarations: [ Feature1Component1, Feature1Component2, Feature1Component3, Feature1Component4, Feature1Component5, Feature1Component6, ], exports: [...] }) export class Feature1Module { } 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18

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import { NgModule } from '@angular/core'; import { CommonModule } from '@angular/common'; @NgModule({ imports: [ CommonModule ], declarations: [ Feature2Component1, Feature2Component2, Feature2Component3, Feature2Component4, Feature2Component5, Feature2Component6, ], exports: [...] }) export class Feature2Module { } 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18

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import { NgModule } from '@angular/core'; @NgModule({ imports: [ ], declarations: [ AppComponent, Feature1Component1, Feature1Component2, Feature1Component3, Feature1Component4, Feature1Component5, Feature1Component6, Feature2Component1, Feature2Component2, Feature2Component3, Feature2Component4, Feature2Component5, Feature2Component6, ], }) export class AppModule { } 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21

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import { NgModule } from '@angular/core'; import { Feature1Module } from './feature1-module/feature1.module'; import { Feature2Module } from './feature2-module/feature2.module'; @NgModule({ imports: [ BrowserModule, FormsModule, Feature1Module, Feature2Module ], declarations: [ AppComponent, HelloComponent ], bootstrap: [ AppComponent ] }) export class AppModule { } 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18

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import { NgModule } from '@angular/core'; import { Feature1Module } from './feature1-module/feature1.module'; import { Feature2Module } from './feature2-module/feature2.module'; @NgModule({ imports: [ BrowserModule, FormsModule, Feature1Module, Feature2Module ], declarations: [ AppComponent, HelloComponent ], bootstrap: [ AppComponent ] }) export class AppModule { } 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 import { Feature1Module } from './feature1-module/feature1.module'; import { Feature2Module } from './feature2-module/feature2.module'; Feature1Module, Feature2Module import { NgModule } from '@angular/core'; 1 2 3 4 @NgModule({ 5 imports: [ 6 BrowserModule, 7 FormsModule, 8 9 10 ], 11 declarations: [ 12 AppComponent, 13 HelloComponent 14 ], 15 bootstrap: [ AppComponent ] 16 }) 17 export class AppModule { } 18

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Business Architectures with Angular Libraries, NX and Monorepos

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Libraries

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NG Workspace

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NG Workspace

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NG Workspace

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NG Workspace

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import { /* ... */ } from 'lib-to-configure'; import { NgModule, APP_INITIALIZER, Injectable } from '@angular/core'; 1 import { BrowserModule } from '@angular/platform-browser'; 2 3 4 5 import { AppComponent } from './app.component'; 6 7 export class AppModule {} 8

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import { /* ... */ } from 'lib-to-configure'; import { NgModule, APP_INITIALIZER, Injectable } from '@angular/core'; 1 import { BrowserModule } from '@angular/platform-browser'; 2 3 4 5 import { AppComponent } from './app.component'; 6 7 export class AppModule {} 8

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@NgModule({ declarations: [LibToConfigureComponent], imports: [CommonModule], exports: [LibToConfigureComponent], }) export class LibToConfigureModule {} 1 2 3 4 5 6

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@NgModule({ declarations: [LibToConfigureComponent], imports: [CommonModule], exports: [LibToConfigureComponent], }) export class LibToConfigureModule {} 1 2 3 4 5 6 exports: [LibToConfigureComponent], @NgModule({ 1 declarations: [LibToConfigureComponent], 2 imports: [CommonModule], 3 4 }) 5 export class LibToConfigureModule {} 6 @NgModule({ declarations: [AppComponent], imports: [BrowserModule, LibToConfigureModule], providers: [], bootstrap: [AppComponent], }) export class AppModule {} 1 2 3 4 5 6 7

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@NgModule({ declarations: [LibToConfigureComponent], imports: [CommonModule], exports: [LibToConfigureComponent], }) export class LibToConfigureModule {} 1 2 3 4 5 6 exports: [LibToConfigureComponent], @NgModule({ 1 declarations: [LibToConfigureComponent], 2 imports: [CommonModule], 3 4 }) 5 export class LibToConfigureModule {} 6 @NgModule({ declarations: [AppComponent], imports: [BrowserModule, LibToConfigureModule], providers: [], bootstrap: [AppComponent], }) export class AppModule {} 1 2 3 4 5 6 7 imports: [BrowserModule, LibToConfigureModule], @NgModule({ 1 declarations: [AppComponent], 2 3 providers: [], 4 bootstrap: [AppComponent], 5 }) 6 export class AppModule {} 7

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What is

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Bring Order

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Have Flexibility

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Tooling

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Tooling

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NX Workspace

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Rethinking Libraries

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Libraries Share code between apps

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Libraries Share code between apps Provide feature to one app

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Libraries Share code between apps Provide feature to one app Multiple Libs = 1 Feature

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Feature Feature Ui Data access Utils

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Folders

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Folders Lib: Api Lib: Data Lib: Ui Lib: Util Lib: Feature

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Folders Lib: Api Lib: Data Lib: Ui Lib: Util Lib: Feature

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https://go.nrwl.io/angular-enterprise-monorepo-patterns-new-book

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Feature Ui vs.

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Container Presentational vs.

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Stateful import { /* ... */ } from '...'; @Component({ selector: 'workspace-groups-meetups-list', templateUrl: './groups-meetups-list.component.html', styleUrls: ['./groups-meetups-list.component.scss'], }) export class GroupsMeetupsListComponent implements OnInit { items$: Observable; loading$: Observable; constructor(private store: Store) {} ngOnInit() { this.loading$ = this.store.pipe(select(fromGroupStore.selectIsLoading)); this.items$ = this.store.pipe(select(fromGroupStore.selectAllMeetups)); this.store.dispatch(fromGroupStore.getAllMeetupsFromGroup()); } } 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21

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Stateful import { /* ... */ } from '...'; @Component({ selector: 'workspace-groups-meetups-list', templateUrl: './groups-meetups-list.component.html', styleUrls: ['./groups-meetups-list.component.scss'], }) export class GroupsMeetupsListComponent implements OnInit { items$: Observable; loading$: Observable; constructor(private store: Store) {} ngOnInit() { this.loading$ = this.store.pipe(select(fromGroupStore.selectIsLoading)); this.items$ = this.store.pipe(select(fromGroupStore.selectAllMeetups)); this.store.dispatch(fromGroupStore.getAllMeetupsFromGroup()); } } 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 items$: Observable; loading$: Observable; import { /* ... */ } from '...'; 1 2 @Component({ 3 selector: 'workspace-groups-meetups-list', 4 templateUrl: './groups-meetups-list.component.html', 5 styleUrls: ['./groups-meetups-list.component.scss'], 6 }) 7 export class GroupsMeetupsListComponent implements OnInit { 8 9 10 11 constructor(private store: Store) {} 12 13 ngOnInit() { 14 this.loading$ = this.store.pipe(select(fromGroupStore.selectIsLoading)); 15 16 this.items$ = this.store.pipe(select(fromGroupStore.selectAllMeetups)); 17 18 this.store.dispatch(fromGroupStore.getAllMeetupsFromGroup()); 19 } 20 } 21

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Stateful import { /* ... */ } from '...'; @Component({ selector: 'workspace-groups-meetups-list', templateUrl: './groups-meetups-list.component.html', styleUrls: ['./groups-meetups-list.component.scss'], }) export class GroupsMeetupsListComponent implements OnInit { items$: Observable; loading$: Observable; constructor(private store: Store) {} ngOnInit() { this.loading$ = this.store.pipe(select(fromGroupStore.selectIsLoading)); this.items$ = this.store.pipe(select(fromGroupStore.selectAllMeetups)); this.store.dispatch(fromGroupStore.getAllMeetupsFromGroup()); } } 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 items$: Observable; loading$: Observable; import { /* ... */ } from '...'; 1 2 @Component({ 3 selector: 'workspace-groups-meetups-list', 4 templateUrl: './groups-meetups-list.component.html', 5 styleUrls: ['./groups-meetups-list.component.scss'], 6 }) 7 export class GroupsMeetupsListComponent implements OnInit { 8 9 10 11 constructor(private store: Store) {} 12 13 ngOnInit() { 14 this.loading$ = this.store.pipe(select(fromGroupStore.selectIsLoading)); 15 16 this.items$ = this.store.pipe(select(fromGroupStore.selectAllMeetups)); 17 18 this.store.dispatch(fromGroupStore.getAllMeetupsFromGroup()); 19 } 20 } 21 constructor(private store: Store) {} import { /* ... */ } from '...'; 1 2 @Component({ 3 selector: 'workspace-groups-meetups-list', 4 templateUrl: './groups-meetups-list.component.html', 5 styleUrls: ['./groups-meetups-list.component.scss'], 6 }) 7 export class GroupsMeetupsListComponent implements OnInit { 8 items$: Observable; 9 loading$: Observable; 10 11 12 13 ngOnInit() { 14 this.loading$ = this.store.pipe(select(fromGroupStore.selectIsLoading)); 15 16 this.items$ = this.store.pipe(select(fromGroupStore.selectAllMeetups)); 17 18 this.store.dispatch(fromGroupStore.getAllMeetupsFromGroup()); 19 } 20 } 21

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Stateful import { /* ... */ } from '...'; @Component({ selector: 'workspace-groups-meetups-list', templateUrl: './groups-meetups-list.component.html', styleUrls: ['./groups-meetups-list.component.scss'], }) export class GroupsMeetupsListComponent implements OnInit { items$: Observable; loading$: Observable; constructor(private store: Store) {} ngOnInit() { this.loading$ = this.store.pipe(select(fromGroupStore.selectIsLoading)); this.items$ = this.store.pipe(select(fromGroupStore.selectAllMeetups)); this.store.dispatch(fromGroupStore.getAllMeetupsFromGroup()); } } 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 items$: Observable; loading$: Observable; import { /* ... */ } from '...'; 1 2 @Component({ 3 selector: 'workspace-groups-meetups-list', 4 templateUrl: './groups-meetups-list.component.html', 5 styleUrls: ['./groups-meetups-list.component.scss'], 6 }) 7 export class GroupsMeetupsListComponent implements OnInit { 8 9 10 11 constructor(private store: Store) {} 12 13 ngOnInit() { 14 this.loading$ = this.store.pipe(select(fromGroupStore.selectIsLoading)); 15 16 this.items$ = this.store.pipe(select(fromGroupStore.selectAllMeetups)); 17 18 this.store.dispatch(fromGroupStore.getAllMeetupsFromGroup()); 19 } 20 } 21 constructor(private store: Store) {} import { /* ... */ } from '...'; 1 2 @Component({ 3 selector: 'workspace-groups-meetups-list', 4 templateUrl: './groups-meetups-list.component.html', 5 styleUrls: ['./groups-meetups-list.component.scss'], 6 }) 7 export class GroupsMeetupsListComponent implements OnInit { 8 items$: Observable; 9 loading$: Observable; 10 11 12 13 ngOnInit() { 14 this.loading$ = this.store.pipe(select(fromGroupStore.selectIsLoading)); 15 16 this.items$ = this.store.pipe(select(fromGroupStore.selectAllMeetups)); 17 18 this.store.dispatch(fromGroupStore.getAllMeetupsFromGroup()); 19 } 20 } 21 this.loading$ = this.store.pipe(select(fromGroupStore.selectIsLoading)); this.items$ = this.store.pipe(select(fromGroupStore.selectAllMeetups)); import { /* ... */ } from '...'; 1 2 @Component({ 3 selector: 'workspace-groups-meetups-list', 4 templateUrl: './groups-meetups-list.component.html', 5 styleUrls: ['./groups-meetups-list.component.scss'], 6 }) 7 export class GroupsMeetupsListComponent implements OnInit { 8 items$: Observable; 9 loading$: Observable; 10 11 constructor(private store: Store) {} 12 13 ngOnInit() { 14 15 16 17 18 this.store.dispatch(fromGroupStore.getAllMeetupsFromGroup()); 19 } 20 } 21

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Stateful import { /* ... */ } from '...'; @Component({ selector: 'workspace-groups-meetups-list', templateUrl: './groups-meetups-list.component.html', styleUrls: ['./groups-meetups-list.component.scss'], }) export class GroupsMeetupsListComponent implements OnInit { items$: Observable; loading$: Observable; constructor(private store: Store) {} ngOnInit() { this.loading$ = this.store.pipe(select(fromGroupStore.selectIsLoading)); this.items$ = this.store.pipe(select(fromGroupStore.selectAllMeetups)); this.store.dispatch(fromGroupStore.getAllMeetupsFromGroup()); } } 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 items$: Observable; loading$: Observable; import { /* ... */ } from '...'; 1 2 @Component({ 3 selector: 'workspace-groups-meetups-list', 4 templateUrl: './groups-meetups-list.component.html', 5 styleUrls: ['./groups-meetups-list.component.scss'], 6 }) 7 export class GroupsMeetupsListComponent implements OnInit { 8 9 10 11 constructor(private store: Store) {} 12 13 ngOnInit() { 14 this.loading$ = this.store.pipe(select(fromGroupStore.selectIsLoading)); 15 16 this.items$ = this.store.pipe(select(fromGroupStore.selectAllMeetups)); 17 18 this.store.dispatch(fromGroupStore.getAllMeetupsFromGroup()); 19 } 20 } 21 constructor(private store: Store) {} import { /* ... */ } from '...'; 1 2 @Component({ 3 selector: 'workspace-groups-meetups-list', 4 templateUrl: './groups-meetups-list.component.html', 5 styleUrls: ['./groups-meetups-list.component.scss'], 6 }) 7 export class GroupsMeetupsListComponent implements OnInit { 8 items$: Observable; 9 loading$: Observable; 10 11 12 13 ngOnInit() { 14 this.loading$ = this.store.pipe(select(fromGroupStore.selectIsLoading)); 15 16 this.items$ = this.store.pipe(select(fromGroupStore.selectAllMeetups)); 17 18 this.store.dispatch(fromGroupStore.getAllMeetupsFromGroup()); 19 } 20 } 21 this.loading$ = this.store.pipe(select(fromGroupStore.selectIsLoading)); this.items$ = this.store.pipe(select(fromGroupStore.selectAllMeetups)); import { /* ... */ } from '...'; 1 2 @Component({ 3 selector: 'workspace-groups-meetups-list', 4 templateUrl: './groups-meetups-list.component.html', 5 styleUrls: ['./groups-meetups-list.component.scss'], 6 }) 7 export class GroupsMeetupsListComponent implements OnInit { 8 items$: Observable; 9 loading$: Observable; 10 11 constructor(private store: Store) {} 12 13 ngOnInit() { 14 15 16 17 18 this.store.dispatch(fromGroupStore.getAllMeetupsFromGroup()); 19 } 20 } 21 this.store.dispatch(fromGroupStore.getAllMeetupsFromGroup()); import { /* ... */ } from '...'; 1 2 @Component({ 3 selector: 'workspace-groups-meetups-list', 4 templateUrl: './groups-meetups-list.component.html', 5 styleUrls: ['./groups-meetups-list.component.scss'], 6 }) 7 export class GroupsMeetupsListComponent implements OnInit { 8 items$: Observable; 9 loading$: Observable; 10 11 constructor(private store: Store) {} 12 13 ngOnInit() { 14 this.loading$ = this.store.pipe(select(fromGroupStore.selectIsLoading)); 15 16 this.items$ = this.store.pipe(select(fromGroupStore.selectAllMeetups)); 17 18 19 } 20 } 21

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Stateful import { /* ... */ } from '...'; @Component({ selector: 'workspace-groups-meetups-list', templateUrl: './groups-meetups-list.component.html', styleUrls: ['./groups-meetups-list.component.scss'], }) export class GroupsMeetupsListComponent implements OnInit { items$: Observable; loading$: Observable; constructor(private store: Store) {} ngOnInit() { this.loading$ = this.store.pipe(select(fromGroupStore.selectIsLoading)); this.items$ = this.store.pipe(select(fromGroupStore.selectAllMeetups)); this.store.dispatch(fromGroupStore.getAllMeetupsFromGroup()); } } 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 items$: Observable; loading$: Observable; import { /* ... */ } from '...'; 1 2 @Component({ 3 selector: 'workspace-groups-meetups-list', 4 templateUrl: './groups-meetups-list.component.html', 5 styleUrls: ['./groups-meetups-list.component.scss'], 6 }) 7 export class GroupsMeetupsListComponent implements OnInit { 8 9 10 11 constructor(private store: Store) {} 12 13 ngOnInit() { 14 this.loading$ = this.store.pipe(select(fromGroupStore.selectIsLoading)); 15 16 this.items$ = this.store.pipe(select(fromGroupStore.selectAllMeetups)); 17 18 this.store.dispatch(fromGroupStore.getAllMeetupsFromGroup()); 19 } 20 } 21 constructor(private store: Store) {} import { /* ... */ } from '...'; 1 2 @Component({ 3 selector: 'workspace-groups-meetups-list', 4 templateUrl: './groups-meetups-list.component.html', 5 styleUrls: ['./groups-meetups-list.component.scss'], 6 }) 7 export class GroupsMeetupsListComponent implements OnInit { 8 items$: Observable; 9 loading$: Observable; 10 11 12 13 ngOnInit() { 14 this.loading$ = this.store.pipe(select(fromGroupStore.selectIsLoading)); 15 16 this.items$ = this.store.pipe(select(fromGroupStore.selectAllMeetups)); 17 18 this.store.dispatch(fromGroupStore.getAllMeetupsFromGroup()); 19 } 20 } 21 this.loading$ = this.store.pipe(select(fromGroupStore.selectIsLoading)); this.items$ = this.store.pipe(select(fromGroupStore.selectAllMeetups)); import { /* ... */ } from '...'; 1 2 @Component({ 3 selector: 'workspace-groups-meetups-list', 4 templateUrl: './groups-meetups-list.component.html', 5 styleUrls: ['./groups-meetups-list.component.scss'], 6 }) 7 export class GroupsMeetupsListComponent implements OnInit { 8 items$: Observable; 9 loading$: Observable; 10 11 constructor(private store: Store) {} 12 13 ngOnInit() { 14 15 16 17 18 this.store.dispatch(fromGroupStore.getAllMeetupsFromGroup()); 19 } 20 } 21 this.store.dispatch(fromGroupStore.getAllMeetupsFromGroup()); import { /* ... */ } from '...'; 1 2 @Component({ 3 selector: 'workspace-groups-meetups-list', 4 templateUrl: './groups-meetups-list.component.html', 5 styleUrls: ['./groups-meetups-list.component.scss'], 6 }) 7 export class GroupsMeetupsListComponent implements OnInit { 8 items$: Observable; 9 loading$: Observable; 10 11 constructor(private store: Store) {} 12 13 ngOnInit() { 14 this.loading$ = this.store.pipe(select(fromGroupStore.selectIsLoading)); 15 16 this.items$ = this.store.pipe(select(fromGroupStore.selectAllMeetups)); 17 18 19 } 20 } 21 import { /* ... */ } from '...'; @Component({ selector: 'workspace-groups-meetups-list', templateUrl: './groups-meetups-list.component.html', styleUrls: ['./groups-meetups-list.component.scss'], }) export class GroupsMeetupsListComponent implements OnInit { items$: Observable; loading$: Observable; constructor(private store: Store) {} ngOnInit() { this.loading$ = this.store.pipe(select(fromGroupStore.selectIsLoading)); this.items$ = this.store.pipe(select(fromGroupStore.selectAllMeetups)); this.store.dispatch(fromGroupStore.getAllMeetupsFromGroup()); } } 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21

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Stateful

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Stateful

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Stateless import { /* ... */ } from '...'; @Component({ selector: 'workspace-meetup-list', templateUrl: './meetup-list.component.html', styleUrls: ['./meetup-list.component.scss'], }) export class MeetupListComponent { @Input() items: Meetup[] = []; } 1 2 3 4 5 6 7 8 9 10 11 12

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Stateless import { /* ... */ } from '...'; @Component({ selector: 'workspace-meetup-list', templateUrl: './meetup-list.component.html', styleUrls: ['./meetup-list.component.scss'], }) export class MeetupListComponent { @Input() items: Meetup[] = []; @Output() itemClicked = new EventEmitter(); bubbleNavigationEvent(meetup: Meetup) { this.itemClicked.emit(meetup); } } 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

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Stateful Stateless [ ... ] ( ... )

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Stateful Stateless [ ... ] ( ... ) Stateless [ ... ] ( ... )

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Stateful Stateless [ ... ] ( ... ) Stateless [ ... ] ( ... )

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Overlook The dependency graph

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“ Nx is built on a technology-agnostic core that maintains modular units of code and understands the dependency graph between them. nx.dev

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Workspace

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What is it? The dependency graph helps you overlook all your applications and libraries. You learn about relations and dependencies of each module in your workspace.

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Why is it helpful?

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Graph

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Graph

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Graph

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Affected Dependency Graph

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Why is it helpful?

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Restrict Module dependencies

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Why is it helpful? Control encapsulation of workspace modules. Prevent accidental module pollution.

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nx.json eslintrc.json or tslint.json Tag projects nx-enforce-module- boundaries Declare dependencies

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nx.json "projects": { { 1 2 "gatherr": { 3 "tags": [] 4 }, 5 "gatherr-e2e": { 6 "tags": [], 7 "implicitDependencies": ["gatherr"] 8 }, 9 "auth-feature": { 10 "tags": [] 11 }, 12 "groups-feature": { 13 "tags": [] 14 }, 15 "home-feature": { 16 "tags": [] 17 }, 18 "personal-feature": { 19 "tags": [] 20 }, 21 "profile-feature": { 22 "tags": [] 23 } 24 } 25 } 26

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nx.json "projects": { { 1 2 "gatherr": { 3 "tags": [] 4 }, 5 "gatherr-e2e": { 6 "tags": [], 7 "implicitDependencies": ["gatherr"] 8 }, 9 "auth-feature": { 10 "tags": [] 11 }, 12 "groups-feature": { 13 "tags": [] 14 }, 15 "home-feature": { 16 "tags": [] 17 }, 18 "personal-feature": { 19 "tags": [] 20 }, 21 "profile-feature": { 22 "tags": [] 23 } 24 } 25 } 26 "gatherr": { "gatherr-e2e": { "auth-feature": { "groups-feature": { "home-feature": { "personal-feature": { "profile-feature": { { 1 "projects": { 2 3 "tags": [] 4 }, 5 6 "tags": [], 7 "implicitDependencies": ["gatherr"] 8 }, 9 10 "tags": [] 11 }, 12 13 "tags": [] 14 }, 15 16 "tags": [] 17 }, 18 19 "tags": [] 20 }, 21 22 "tags": [] 23 } 24 } 25 } 26

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nx.json "projects": { { 1 2 "gatherr": { 3 "tags": [] 4 }, 5 "gatherr-e2e": { 6 "tags": [], 7 "implicitDependencies": ["gatherr"] 8 }, 9 "auth-feature": { 10 "tags": [] 11 }, 12 "groups-feature": { 13 "tags": [] 14 }, 15 "home-feature": { 16 "tags": [] 17 }, 18 "personal-feature": { 19 "tags": [] 20 }, 21 "profile-feature": { 22 "tags": [] 23 } 24 } 25 } 26 "gatherr": { "gatherr-e2e": { "auth-feature": { "groups-feature": { "home-feature": { "personal-feature": { "profile-feature": { { 1 "projects": { 2 3 "tags": [] 4 }, 5 6 "tags": [], 7 "implicitDependencies": ["gatherr"] 8 }, 9 10 "tags": [] 11 }, 12 13 "tags": [] 14 }, 15 16 "tags": [] 17 }, 18 19 "tags": [] 20 }, 21 22 "tags": [] 23 } 24 } 25 } 26 "tags": [] "tags": [], "tags": [] "tags": [] "tags": [] "tags": [] "tags": [] { 1 "projects": { 2 "gatherr": { 3 4 }, 5 "gatherr-e2e": { 6 7 "implicitDependencies": ["gatherr"] 8 }, 9 "auth-feature": { 10 11 }, 12 "groups-feature": { 13 14 }, 15 "home-feature": { 16 17 }, 18 "personal-feature": { 19 20 }, 21 "profile-feature": { 22 23 } 24 } 25 } 26

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nx.json "tags": ["app"] "tags": ["app-feature"] "tags": ["app-feature"] "tags": ["app-feature"] "tags": ["app-feature"] "tags": ["app-feature"] { 1 "projects": { 2 "gatherr": { 3 4 }, 5 "gatherr-e2e": { 6 "tags": [], 7 "implicitDependencies": ["gatherr"] 8 }, 9 "auth-feature": { 10 11 }, 12 "groups-feature": { 13 14 }, 15 "home-feature": { 16 17 }, 18 "personal-feature": { 19 20 }, 21 "profile-feature": { 22 23 } 24 } 25 } 26

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linter "@nrwl/nx/enforce-module-boundaries": [ { 1 "rules": { 2 3 "error", 4 { 5 "enforceBuildableLibDependency": true, 6 "allow": [], 7 "depConstraints": [ 8 { 9 "sourceTag": "*", 10 "onlyDependOnLibsWithTags": ["*"] 11 } 12 }] 13 } 14 } 15

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linter "@nrwl/nx/enforce-module-boundaries": [ { 1 "rules": { 2 3 "error", 4 { 5 "enforceBuildableLibDependency": true, 6 "allow": [], 7 "depConstraints": [ 8 { 9 "sourceTag": "*", 10 "onlyDependOnLibsWithTags": ["*"] 11 } 12 }] 13 } 14 } 15 "enforceBuildableLibDependency": true, { 1 "rules": { 2 "@nrwl/nx/enforce-module-boundaries": [ 3 "error", 4 { 5 6 "allow": [], 7 "depConstraints": [ 8 { 9 "sourceTag": "*", 10 "onlyDependOnLibsWithTags": ["*"] 11 } 12 }] 13 } 14 } 15

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linter "@nrwl/nx/enforce-module-boundaries": [ { 1 "rules": { 2 3 "error", 4 { 5 "enforceBuildableLibDependency": true, 6 "allow": [], 7 "depConstraints": [ 8 { 9 "sourceTag": "*", 10 "onlyDependOnLibsWithTags": ["*"] 11 } 12 }] 13 } 14 } 15 "enforceBuildableLibDependency": true, { 1 "rules": { 2 "@nrwl/nx/enforce-module-boundaries": [ 3 "error", 4 { 5 6 "allow": [], 7 "depConstraints": [ 8 { 9 "sourceTag": "*", 10 "onlyDependOnLibsWithTags": ["*"] 11 } 12 }] 13 } 14 } 15 "allow": [], { 1 "rules": { 2 "@nrwl/nx/enforce-module-boundaries": [ 3 "error", 4 { 5 "enforceBuildableLibDependency": true, 6 7 "depConstraints": [ 8 { 9 "sourceTag": "*", 10 "onlyDependOnLibsWithTags": ["*"] 11 } 12 }] 13 } 14 } 15

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linter "@nrwl/nx/enforce-module-boundaries": [ { 1 "rules": { 2 3 "error", 4 { 5 "enforceBuildableLibDependency": true, 6 "allow": [], 7 "depConstraints": [ 8 { 9 "sourceTag": "*", 10 "onlyDependOnLibsWithTags": ["*"] 11 } 12 }] 13 } 14 } 15 "enforceBuildableLibDependency": true, { 1 "rules": { 2 "@nrwl/nx/enforce-module-boundaries": [ 3 "error", 4 { 5 6 "allow": [], 7 "depConstraints": [ 8 { 9 "sourceTag": "*", 10 "onlyDependOnLibsWithTags": ["*"] 11 } 12 }] 13 } 14 } 15 "allow": [], { 1 "rules": { 2 "@nrwl/nx/enforce-module-boundaries": [ 3 "error", 4 { 5 "enforceBuildableLibDependency": true, 6 7 "depConstraints": [ 8 { 9 "sourceTag": "*", 10 "onlyDependOnLibsWithTags": ["*"] 11 } 12 }] 13 } 14 } 15 "depConstraints": [ { 1 "rules": { 2 "@nrwl/nx/enforce-module-boundaries": [ 3 "error", 4 { 5 "enforceBuildableLibDependency": true, 6 "allow": [], 7 8 { 9 "sourceTag": "*", 10 "onlyDependOnLibsWithTags": ["*"] 11 } 12 }] 13 } 14 } 15

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linter "@nrwl/nx/enforce-module-boundaries": [ { 1 "rules": { 2 3 "error", 4 { 5 "enforceBuildableLibDependency": true, 6 "allow": [], 7 "depConstraints": [ 8 { 9 "sourceTag": "*", 10 "onlyDependOnLibsWithTags": ["*"] 11 } 12 }] 13 } 14 } 15 "enforceBuildableLibDependency": true, { 1 "rules": { 2 "@nrwl/nx/enforce-module-boundaries": [ 3 "error", 4 { 5 6 "allow": [], 7 "depConstraints": [ 8 { 9 "sourceTag": "*", 10 "onlyDependOnLibsWithTags": ["*"] 11 } 12 }] 13 } 14 } 15 "allow": [], { 1 "rules": { 2 "@nrwl/nx/enforce-module-boundaries": [ 3 "error", 4 { 5 "enforceBuildableLibDependency": true, 6 7 "depConstraints": [ 8 { 9 "sourceTag": "*", 10 "onlyDependOnLibsWithTags": ["*"] 11 } 12 }] 13 } 14 } 15 "depConstraints": [ { 1 "rules": { 2 "@nrwl/nx/enforce-module-boundaries": [ 3 "error", 4 { 5 "enforceBuildableLibDependency": true, 6 "allow": [], 7 8 { 9 "sourceTag": "*", 10 "onlyDependOnLibsWithTags": ["*"] 11 } 12 }] 13 } 14 } 15 { "sourceTag": "*", "onlyDependOnLibsWithTags": ["*"] } { 1 "rules": { 2 "@nrwl/nx/enforce-module-boundaries": [ 3 "error", 4 { 5 "enforceBuildableLibDependency": true, 6 "allow": [], 7 "depConstraints": [ 8 9 10 11 12 }] 13 } 14 } 15

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linter { "sourceTag": "app", "onlyDependOnLibsWithTags": ["app-feature"] }] { 1 "rules": { 2 "@nrwl/nx/enforce-module-boundaries": [ 3 "error", 4 { 5 "enforceBuildableLibDependency": true, 6 "allow": [], 7 "depConstraints": [ 8 { 9 "sourceTag": "*", 10 "onlyDependOnLibsWithTags": ["*"] 11 }, 12 13 14 15 16 }] 17 } 18 } 19

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linter "error", { 1 "rules": { 2 "@nrwl/nx/enforce-module-boundaries": [ 3 4 { 5 "enforceBuildableLibDependency": true, 6 "allow": [], 7 "depConstraints": [ 8 { 9 "sourceTag": "*", 10 "onlyDependOnLibsWithTags": ["*"] 11 }, 12 { 13 "sourceTag": "app", 14 "onlyDependOnLibsWithTags": ["app-feature"] 15 }] 16 }] 17 } 18 } 19

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Wildcards https://nx.dev/latest/angular/structure/monorepo-tags#exceptions

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Speed Up Optimize Build- & Test- Runs

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"paths": { "@workspace/shared/ui-common": ["libs/shared/ui-common/src/index.ts"], "@workspace/shared/ui-layout": ["libs/shared/ui-layout/src/index.ts"], "@workspace/shared/data": ["libs/shared/data/src/index.ts"], "@workspace/shared/utils": ["libs/shared/utils/src/index.ts"], "@workspace/category/data": ["libs/category/data/src/index.ts"], "@workspace/category/api": ["libs/category/api/src/index.ts"], "@workspace/auth/api": ["libs/auth/api/src/index.ts"], "@workspace/auth/feature": ["libs/auth/feature/src/index.ts"], "@workspace/auth/util": ["libs/auth/util/src/index.ts"], "@workspace/auth/data": ["libs/auth/data/src/index.ts"], "@workspace/home/feature": ["libs/home/feature/src/index.ts"], "@workspace/home/ui": ["libs/home/ui/src/index.ts"], "@workspace/maps/util": ["libs/maps/util/src/index.ts"], "@workspace/groups/api": ["libs/groups/api/src/index.ts"], "@workspace/groups/feature": ["libs/groups/feature/src/index.ts"], "@workspace/groups/ui": ["libs/groups/ui/src/index.ts"], "@workspace/groups/data": ["libs/groups/data/src/index.ts"], "@workspace/personal/feature": ["libs/personal/feature/src/index.ts"], { 1 "compileOnSave": false, 2 "compilerOptions": { 3 "rootDir": ".", 4 "sourceMap": true, 5 "declaration": false, 6 "moduleResolution": "node", 7 "emitDecoratorMetadata": true, 8 "experimentalDecorators": true, 9 "importHelpers": true, 10 "target": "es5", 11 "module": "esnext", 12 "typeRoots": ["node_modules/@types"], 13 "lib": ["es2017", "dom"], 14 "skipLibCheck": true, 15 "skipDefaultLibCheck": true, 16 "baseUrl": ".", 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36

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libs/shared-utils

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libs/shared-utils

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libs/shared-utils /ServiceA libs/shared-utils

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libs/shared-utils /ServiceA libs/shared-utils /ServiceB libs/shared-utils

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Changes on Service A or B builds both consumers!

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Move Command nx g @nrwl/angular:move --project my-feature-lib shared/my-feature-lib 1

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NX Plugins Cypress, Storybook, ...

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Wrap up

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Wrap up Workspace Enterprise Applications

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Wrap up Workspace Enterprise Applications Latest Toolset

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Wrap up Workspace Enterprise Applications Latest Toolset Affected Build & Cache

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Wrap up Workspace Enterprise Applications Latest Toolset Affected Build & Cache SoC through Libs

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Wrap up Workspace Enterprise Applications Latest Toolset Affected Build & Cache SoC through Libs Dep Graph

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Wrap up Workspace Enterprise Applications Latest Toolset Affected Build & Cache SoC through Libs Dep Graph Plugin Architecture

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Fabian Gosebrink @FabianGosebrink

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Thank you!