ngrx-workshop
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Table of Contents
Setup and Configuration
Rules of Thumb
Rules of Thumb pt2
NgRx Libraries
NgRx Data
NgRx Entity
Action Creators
NgRx Auto Entity
NgRx Facades
NgRx Facades
Testing
Testing Factory
Testing Reducers
Testing Selectors
Testing Effects
Advanced Actions
3 Types of Actions
Deciders
Splitter Actions
Aggregators
ToDo
Todo
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NgRx Entity
  • Part of NgRx
  • Converts arrays to dictionaries
  • Supports relationships between stores
  • Super fast find by id
  • Entity enrichment
    • Loading, error, etc
  • Selectors to transform data back to arrays

Entity State

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interface EntityState<V> {
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ids: string[] | number[];
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entities: { [id: string | id: number]: V };
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}
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Reducers

Selectors

  • Memoized
  • Composable
  • Testable
Refactor Tour of Heroes NgRx project to use entity: https://stackblitz.com/github/jessesanders/tour-of-heroes/tree/ngrx​
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NgRx Data
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Action Creators
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Contents
Entity State
Reducers
Selectors