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@procore-canary/redux-modules
Advanced tools
A library for defining clear, boilerplate free Redux reducers.
redux-modules
is a refinement on the Redux module concept with developer experience in mind. It provides:
npm install redux-modules --save
Here's an example of a simple todo app. First create a module that allows todos to be created and destroyed.
import { createModule } from 'redux-modules';
import { propCheck } from 'redux-modules-middleware';
import { fromJS, List } from 'immutable';
import { shape, string, number } from 'prop-types';
export default createModule({
name: 'todos',
initialState: List(),
selector: state => ({ todos: state.get('todos') }),
transformations: {
create: {
middleware: [
middleware.propCheck(
shape({ description: string.isRequired })
),
],
reducer: (state, { payload }) =>
state.update('collection', todos => todos.push(fromJS(payload))),
},
destroy: {
middleware: [
middleware.propCheck(number.isRequired),
],
reducer: (state, { payload }) =>
state.update('collection', todos => todos.delete(payload)),
},
},
});
Once the module is complete, the reducer has to be added to the store.
const store = createStore(todoModule.reducer, {});
export default const App = props => (
<Provider store={store}>
<Todos {...props}/>
</Provider>
)
Alternatively, use ModuleProvider
to allow reducers to be automatically added to the store at runtime.
import { ModuleProvider } from 'redux-modules';
const store = createStore(state => state, {});
export default const App = props => (
<ModuleProvider store={store}>
<Todos {...props}/>
</ModuleProvider>
)
The last step is to connect the module to the view. This works like a normal Redux connect
with the added bonus of auto dispatching and namespacing actions.
import { connectModule } from 'redux-modules';
import { Component, PropTypes } from 'react';
import { array, func, shape } from 'prop-types';
@connectModule(todoModule)
export default class Todos extends Component {
static propTypes = {
todos: array,
actions: shape({
create: func,
destroy: func,
}),
};
That's it! Check the documentation for comparisons with idiomatic Redux, in depth examples, and advanced usage.
Thanks goes to these wonderful people (emoji key):
This project follows the all-contributors specification. Contributions of any kind welcome!
FAQs
A library for defining clear, boilerplate free Redux reducers.
We found that @procore-canary/redux-modules demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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