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const { createStore } = require('redux')
const { reduxLeaves, bundle } = require('redux-leaves')
const initialState = {
project: {
agency: {
name: 'Devs2U',
revenue: 50000,
costs: 80000
},
client: {
name: 'MegaCorp',
revenue: 1500000,
costs: 7400000
},
budgeted: {
days: 2,
salaries: 10000
},
stagesCompleted: {
discover: false,
design: false,
develop: false,
test: false
},
technologies: {
languages: ['javascript'],
libraries: ['react']
}
},
persons: [
{
name: 'Maisy Ware',
title: 'CTO',
employedBy: 'agency',
status: 'determined'
},
{
name: 'Maddie Swanson',
title: 'CTO',
employedBy: 'client',
status: 'anxious'
},
{
name: 'Kian Bernard',
title: 'Junior Developer',
employedBy: 'agency',
status: 'eager'
}
]
}
All of our setup is below:
// break-even at arbitrary leaf state
const breakEven = leafState => {
return {
...leafState,
revenue: leafState.costs // set revenue property equal to the costs property
}
}
// set all properties at arbitrary leaf state
// payload received will be the value to set
const setAll = (leafState, action) => {
const leafKeys = Object.keys(leafState)
const newEntries = leafKeys.map(key => [key, action.payload])
return Object.keys(newEntries)
}
// set some property for all elements of an array
const setEach = {
reducer: (leafState, { payload: { prop, val } }) => {
return leafState.map(element => ({
...element,
[prop]: val
}))
},
argsToPayload: (prop, val) => ({ prop, val })
}
const [reducer, actions] = reduxLeaves(initialState, { breakEven, setAll, setEach })
const store = createStore(reducer)
store.getState()
Now we can trigger this custom reducer logic at an arbitrary leaf of our store's state tree
// make both agency and client breakeven
store.dispatch(actions.project.agency.create.breakEven())
store.dispatch(actions.project.client.create.breakEven())
store.getState()
// mark all stages complete
store.dispatch(actions.project.stagesCompleted.create.setAll(true))
store.getState()
// give each person a happy status
store.dispatch(actions.persons.create.setEach('status', 'happy'))
store.getState()
Play around as you see fit!
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