See you my redux

This commit is contained in:
Shin'ya Ueoka 2018-07-08 11:39:56 +09:00
parent f2ac75fff8
commit 96649fef63
3 changed files with 0 additions and 178 deletions

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@ -1,53 +0,0 @@
class Store {
constructor(reducer, catcher) {
this.reducer = reducer;
this.catcher = catcher;
this.subscribers = [];
try {
this.state = this.reducer(undefined, {});
} catch (e) {
catcher(e);
}
}
dispatch(action, sender) {
if (action instanceof Promise) {
action.then((a) => {
this.transitNext(a, sender);
}).catch((e) => {
this.catcher(e, sender);
});
} else {
try {
this.transitNext(action, sender);
} catch (e) {
this.catcher(e, sender);
}
}
return action;
}
getState() {
return this.state;
}
subscribe(callback) {
this.subscribers.push(callback);
}
transitNext(action, sender) {
let newState = this.reducer(this.state, action);
if (JSON.stringify(this.state) !== JSON.stringify(newState)) {
this.state = newState;
this.subscribers.forEach(f => f(sender));
}
}
}
const empty = () => {};
const createStore = (reducer, catcher = empty) => {
return new Store(reducer, catcher);
};
export { createStore };

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@ -1,15 +0,0 @@
import { h, Component } from 'preact';
class Provider extends Component {
getChildContext() {
return { store: this.props.store };
}
render() {
return <div>
{ this.props.children }
</div>;
}
}
export default Provider;