redux-orm | MAINTAINED – A small , simple and immutable ORM | Database library
kandi X-RAY | redux-orm Summary
kandi X-RAY | redux-orm Summary
A small, simple and immutable ORM to manage relational data in your Redux store.
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Trending Discussions on redux-orm
QUESTION
Found enough interesting library Redux-orm for redux. Uses redux storage like database.
Who uses this library, please advice - what means module descriptors
here?
With examples, please.
Because there is no detailed documentation and examples about it.
Thanks.
...ANSWER
Answered 2019-Apr-06 at 10:46Disclaimer: I'm the current Redux-ORM maintainer.
There's an amazing blog post series called Practical Redux written by Mark Erikson where he gives a detailed introduction to Redux-ORM. It's a tiny bit outdated but still solid information. But our Readme, mostly written by the original author Tommi Kaikkonen, is also a reliable (and more future-proof) source. We should definitely provide additional step-by-step documentation documentation on a dedicated site. That's mainly a manpower issue.
Your links refer to our JSDoc documentation which is automatically generated from our source code and comments in there. The descriptors
module is an internal part of Redux-ORM that currently provides the code for relationship accessors. For instance, author.books
would call the backwardsManyToOneDescriptor
to resolve an author's books (if we assume that books can only be written by one author). You don't need to know how this works for using the library, though.
QUESTION
I'm getting the response similar to the following format from server.
...ANSWER
Answered 2018-Oct-12 at 09:19If you want to have a Detail
model, your backend must identify it with an id
like the Channel
model, and then you may do a oneToOne
relation.
That being said, using a single model or two is totally depending on how they'll interact in your app, and may grow. If your details
field won't grow much more, my totally personal point of view would be to keep it in a single Channel
model. you'd access it through channel.details
or channel.details.src
transparently.
IMO, oneToOne
simple relation like that does not need a specific model.
QUESTION
I have the following models for a chat application using redux-orm
. Each Conversation
contains many Messages
, but one message can only belong to a single Conversation
:
ANSWER
Answered 2017-Dec-21 at 18:42You ought to be able to do something akin to:
QUESTION
I'm creating a simple example to learn the redux-orm
library. I've set up my reducer as below and everything seems to work great.
ANSWER
Answered 2017-Dec-15 at 19:48You need to use either toModelArray
or toRefArray
. The equivalent code to what you seem to be going for in your example (getting the refs for each User
) would be:
QUESTION
In the spirit of 4th July, I want to establish something thus I am not giving up on this. I've been trying to make it work for a while now(not just today) and frankly I am sick of react native and it's habit of breaking every time I pull a package from npm.
package.json ...ANSWER
Answered 2017-Jul-05 at 00:17I tried out your repository and managed to get it running. The first thing I did was just run exp start --ios
to see if that would work. It showed me the following error:
So I went to App.js and saw that on line 9, Text was used but it wasn't imported, so I imported it from react-native and the app rendered with some text.
Next, I looked at the logs and saw this warning:
QUESTION
I am trying to directly map API response to my Redux-Orm models. I have two models:
...ANSWER
Answered 2017-Jun-17 at 08:06What I recommend to you is to use a json api standard for your API.
That way, in your API return, your products
would have a relationships
key that will help you map it to the included
product_properties
. Something like:
QUESTION
ANSWER
Answered 2017-Jan-07 at 00:54As I suggested in my comment: you're not creating the Tag instances properly. it looks like you're passing each individual tag string straight to Tag.create()
, so that it's like Tag.create("testing")
. Instead, you need to pass an object, like Tag.create({name : "testing"})
.
QUESTION
I have aredux-orm models for Extent
that look like:
ANSWER
Answered 2017-Jan-19 at 01:02I do not understand why(yet) but I found that approaching the relationship from the other side ( which was how it was defined ) bore fruit. I changed the bootstrapping to look like:
QUESTION
I am using redux-orm to create models for normalization and denormalization. I find that when I create a schema, I get the error:
...ANSWER
Answered 2017-Jan-02 at 18:51As far as I can see from your code it seems like you have missed the code of defining the reducer in your models (TODO, TAG, USER)
.
As per the documentation here.
You need to have one static method inside each model.
static reducer(state, action, Tag)
static reducer(state, action, TODO)
static reducer(state, action, USER)
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