AngularNYC - Patterns on top of Patterns: A discussion of ngrx-entity - Nate Kidwell
We will do an exploration of ngrx-entity, the new kid on the ngrx block. After exploring what benefits it brings to the table, we will run through a fun example
Other parts of ngrx will be mentioned, but no knowledge of ngrx or redux will be assumed.
CONTENTS
0:07 - What we’ll cover
1:14 - Assumptions
2:22 - Motivating example
4:16 - The ngrx pattern
5:09 - State objects are immutable
6:09 - State of designer
6:22 - Aggregating and chasing state
6:58 - Actions cause state changes
7:37 - actions within designer
8:14 - State is returned from pure “Reducer” function
9:08 - Reducer example
10:02 - State is observed
10:58 - Observing state from “outer” containers
11:50 - Inner components are dumb
12:50 - State is sliced
13:52 - Slicing state within example app
14:23 - @Ngrx/entity motivation
15:27 - Entity state interface
16:40 - Extending the state
17:25 - Creating a line
18:12 - The lines reducer
19:14 - The lines reducer, continued
20:48 - Entity selectors made easy
22:20 - Entity selectors made easy. Cont.
23:11 - Angular + SVG
24:38 - Resources
24:45 - Question
RESOURCES
Slides
https://www.slideshare.net/wandermote...
Holiday Card Designer demo
https://stackblitz.com/edit/entity-ex...
“Official” article introducing entity
/ ngrx
@ngrx/entity API docs
https://github.com/ngrx/platform/tree...
Official example app (uses entity in book reducer)
https://github.com/ngrx/platform/tree...
Outstranding and FREE online NGRX source (VERY thorough and even manually creates an entity structure)
https://ultimateangular.com/ngrx-stor...
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