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Riot + Redux Container Component
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import { connect } from './riot-redux' | |
import Counter from './counter.riot' | |
const mapStateToProps = (state) => ({ | |
count: state | |
}) | |
const mapDispatchToProps = (dispatch) => ({ | |
increment() { | |
dispatch({ type: 'INCREMENT' }) | |
}, | |
decrement() { | |
dispatch({ type: 'DECREMENT' }) | |
} | |
}) | |
export default connect(mapStateToProps, mapDispatchToProps)(Counter) |
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<counter> | |
<div>{ props.count }</div> | |
<button onclick="{ props.increment }">+</button> | |
<button onclick="{ props.decrement }">-</button> | |
</counter> |
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import { component } from 'riot' | |
import { registerStore } from './riot-redux' | |
import { createStore } from 'redux' | |
import Counter from './counter' | |
function reducer(state = 0, action) { | |
switch (action.type) { | |
case 'INCREMENT': | |
return state + 1 | |
case 'DECREMENT': | |
return state - 1 | |
default: | |
return state | |
} | |
} | |
const store = createStore(reducer) | |
registerStore(store) | |
component(Counter)(document.querySelector('#app-root')) |
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import { component, pure, __ } from 'riot' | |
import { evaluateAttributeExpressions } from '@riotjs/util/misc' | |
import { DOMattributesToObject } from '@riotjs/util/dom' | |
import { callOrAssign } from '@riotjs/util/functions' | |
const { createExpression, expressionTypes } = __.DOMBindings | |
let store = null | |
function registerStore(_store) { | |
store = _store | |
} | |
function evaluateInitialProps(element, initialProps = {}) { | |
return { | |
...DOMattributesToObject(element), | |
...callOrAssign(initialProps) | |
} | |
} | |
const attr = { | |
type: expressionTypes.ATTRIBUTE, | |
name: null, | |
evaluate: scope => ({ ...scope.state, ...scope.actions }) | |
} | |
function connect(mapStateToProps, mapDispatchToProps) { | |
return (Component) => ({ | |
name: Component.name, | |
exports: pure( | |
({ slots, attributes, props }) => ({ | |
el: null, | |
component: null, | |
expressions: null, | |
unsubscribe: null, | |
props: {}, | |
state: {}, | |
actions: {}, | |
getMappedState() { | |
const state = store.getState() | |
return mapStateToProps ? mapStateToProps(state, this.props) : this.state | |
}, | |
getMappedActions() { | |
return mapDispatchToProps ? mapDispatchToProps(store.dispatch, this.props) : this.actions | |
}, | |
mount(el, parentScope) { | |
this.el = el | |
this.expressions = (attributes || []).map(a => createExpression(el, a)) | |
this.expressions.forEach(e => e.mount(parentScope)) | |
this.props = { | |
...evaluateInitialProps(el, props), | |
...evaluateAttributeExpressions(this.expressions) | |
} | |
this.state = this.getMappedState() | |
this.actions = this.getMappedActions() | |
this.unsubscribe = store.subscribe(() => { this.update() }) | |
this.component = component(Component)(this.el, {}, { attributes: [attr], parentScope: this, slots }) | |
}, | |
update(parentScope) { | |
if (parentScope) | |
this.expressions.forEach(e => e.update(parentScope)) | |
this.props = { | |
...this.props, | |
...evaluateAttributeExpressions(this.expressions) | |
} | |
this.state = this.getMappedState() | |
this.actions = this.getMappedActions() | |
this.component.update({}, this) | |
}, | |
unmount(...args) { | |
this.unsubscribe() | |
this.expressions.forEach(e => e.unmount()) | |
this.component.unmount(...args) | |
} | |
}) | |
) | |
}) | |
} | |
export { | |
registerStore, | |
connect | |
} |
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