normalizr | Normalizes nested JSON according to a schema | JSON Processing library
kandi X-RAY | normalizr Summary
kandi X-RAY | normalizr Summary
Normalizes nested JSON according to a schema
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Top functions reviewed by kandi - BETA
- Denormalize an immutable object .
- Checks that an object is immutable
normalizr Key Features
normalizr Examples and Code Snippets
// define normal schema credentials and specialties
const credentialSchema = new schema.Entity('credentials');
const specialtySchema = new schema.Entity('specialties');
// define the supervisingPhysician schema with 'providers' as key
//
Community Discussions
Trending Discussions on normalizr
QUESTION
I am trying to add normalized records from normalizr.normalize to the redux store. In my slice file I am trying to use createEntityAdapter. When I dispatch my action to the store it will always fail as the default SelectId function returns undefined. Is it necessary to write a custom selectId function for this case?
Normalized data will be in object format
...ANSWER
Answered 2021-Aug-29 at 21:41createEntityAdapter
assumes by default that each item has an id
field. If your data does actually have an id
field, no selectId
option is needed - it should work with that data as-is.
QUESTION
I'm a bit new to NodeJS and using Javascripts for these types of problems, so am feeling a bit stuck here. I'm working with a traditional relational database backend (Postgres) that has a fairly typical hierarchical (i.e. normalized) table/entity structure. One of my requirements for my NodeJs application is to pull data for a page (HTML report) that essentially incorporates all tables, but the page needs to show the data very hierarchically as well. Imagine a query result like this:
...ANSWER
Answered 2021-May-26 at 19:17Here is an approach:
QUESTION
I'm just getting started with using normalizr with Redux, and I can't make it work. Even though I can do it with plain JavaScript.
I have an array of objects
...ANSWER
Answered 2021-May-24 at 03:54You have 3 different entity types in your data
object. First draft out a schema
for each of them:
QUESTION
I have an array of data like this one
...ANSWER
Answered 2021-Feb-19 at 18:57Recusrion
is what you need here:
QUESTION
I've recently started using Normalizr library, to normalize API responses for Redux state and few parts are still confusing to me.
When using normalized Redux state for UI rendering, passing it to components requires additional id props, and just defining props gets much more complicated
...ANSWER
Answered 2021-Feb-10 at 18:20Yes, when using normalized state, you would normally only pass an item ID to the child component, and let it look up its own data using that ID prop:
QUESTION
Sequelize seems to denormalize returned data. Here, a user
is embedded within a task
:
ANSWER
Answered 2020-Sep-30 at 20:51Sequelize can't do such normalization. You should request all tasks and then get users in a separate query getting their id's from retrieved tasks. In SQL if you join tasks and users tables you also will get duplicated users for some tasks if they have the same user.
QUESTION
I have used immer in the past and really enjoyed it. It makes using redux a breeze. I recently found out about normlizr and it looks great as well.
What is the difference between the two? Does immer provide the same normalized solution as normalizr? What is the better choice out of the two for a production app? Or should they be used together?
...ANSWER
Answered 2020-Aug-10 at 04:49They're two completely different tools, and may be used together.
Immer is a library for performing immutable updates to data while writing "mutating" syntax.
Normalizr is a library for taking nested data of multiple types (such as a Post
that contains a User
and Comments
), and extracting them all to a set of normalized lookup tables.
Both of them are commonly used in Redux apps.
Our official Redux Toolkit package already has Immer built-in. RTK also comes with a createEntityAdapter
API for storing and updating normalized data, which uses Immer internally, and we specifically have a usage guide section on pre-processing response data with Normalizr and then handling it with createEntityAdapter
QUESTION
I'm newbie in React Native working on a old project getting this error can't resolve it for the past couple of hours anyone pls help?
JavaScript version: 0.50.4 Native version: 0.62.2
Make sure that you have rebuilt the native code. If the problem persists try clearing the Watchman and packager caches with
watchman watch-del-all && react-native start --reset-cache
.
This is how my package.json look like
...ANSWER
Answered 2020-Jun-09 at 12:29After struggling for days Finally i solved it.
- First Delete
index.android.bundle
(Located in Assets folder under android project) - Run command
react-native bundle --platform android --dev false --entry-file index.js --bundle-output android/app/src/main/assets/index.android.bundle --assets-dest android/app/src/main/res/
(I replacedindex.js
toApp.js
)
QUESTION
How to connect polyfill correctly? I read all the documentation Babel 7 and followed it. Below you can see my settings. if I add this in the webpack config
...ANSWER
Answered 2020-Apr-17 at 12:43Just don't remove these lines you've added for the polyfills
QUESTION
I must be missing some very basic here about importing an external package function to my plain javascript project / file.
I have a simple project that I have started with npm init And then installed the normalizr package. I have to run the below kind of normalization code, and this is perfectly working when I run the below code inside a React Component.
But the import statement itself is failing in my simple plain JavaScript file/project.
...ANSWER
Answered 2020-Mar-11 at 20:51Import it like you would any other module import in Node.js require docs
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
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