removed custom context system

This commit is contained in:
Jean Jacques Avril 2022-03-08 16:14:23 +01:00
parent 6e3419019b
commit 68501897e4
13 changed files with 89 additions and 186 deletions

1
size-plugin.json Normal file
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@ -0,0 +1 @@
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@ -1,70 +1,45 @@
import { Component, h } from "preact";
import { h } from "preact";
import { Router, route } from "preact-router";
import Header from "./header";
import Menu from "./menu";
import { useCallback, useReducer, useState } from "preact/hooks";
import { AppData, AppDataProvider } from '../utils';
import {Header, Menu} from "./";
import { menuReducer, sessionReducer } from "../store/reducers";
import { useReducer } from "preact/hooks";
import { Home, Users, Profile, Login, Logout } from "../route";
import { AppStateProvider } from "../store/AppState";
class App extends Component {
function App() {
// useReducer
appdata = AppData();
session = this.appdata.get("Session");
menutoggle = this.appdata.get("menutoggle");
toggleMenu = () => {
const [visible, setValue] = useState(false);
const toggle = useCallback(() => {
setValue(!visible);
return !visible;
}, [visible]);
return { visible, toggle };
}
componentWillUnmount() {
//this.sub();
}
menu_items = [
const menu = useReducer(menuReducer, false);
const session = useReducer(sessionReducer, {active: true});
this.menu_items = [
{ text: "Übersicht", path: "/" },
{ text: "Benutzer", path: "/users" },
{ text: "System", path: "/system" },
{ text: "Profil", path: "/profile" },
{ text: "Abmelden", path: "/logout" }
]
handleRoute = async e => {
const isAuthed = this.session.actions.isAuth();
this.handleRoute = async e => {
switch (e.url) {
default:
if (!isAuthed) route('/login', true);
if (!session[0].active) route('/login', true);
break;
}
};
render() {
let menu = this.toggleMenu();
const [menu_shown, toggle_menu] = useReducer(menuReducer,false);
this.menutoggle.data = menu;
let session = this.session;
session.addAction("isAuth", () => { return session.data && session.data.username !== '' })
console.log(session.actions);
session.sub(this);
return (
<AppDataProvider>
<AppStateProvider value={{menu_shown, toggle_menu}} >
<AppStateProvider value={{ menu, session}} >
<div id="wrapper">
<Header menu={menu} />
<Header />
<div class="page">
<Menu menu={menu} items={this.menu_items} />
{!menu.visible &&
<Menu items={this.menu_items} />
{!menu[0] &&
<Router onChange={this.handleRoute}>
<Home path="/" user="me" />
<Login path="login" />
<Profile path="/profile/:user" />
<Profile path="/profile" />
<Logout path="/logout" />
<Users path="/users" />
<div class="container" default>Error 404</div>
</Router>
}
</div>
<footer>
@ -75,11 +50,7 @@ class App extends Component {
</footer>
</div>
</AppStateProvider>
</AppDataProvider>
);
}
}

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@ -1,11 +1,15 @@
const Header = (props, ctx) => {
const session = ctx.get('Session');
import { useContext } from 'preact/hooks';
import AppState from '../../store/AppState';
const Header = () => {
let { menu, session } = useContext(AppState);
let [menu_shown, toggle_menu] = menu;
let [sessiondata] = session;
return (
<header className='header'>
<div className="container">
<h1>Login</h1>
{session.actions.isAuth() && (<div id="hamburger-button" className={`hamburger ${props.menu.visible && 'hamburger-active'}`}
onClick={() => props.menu.toggle()}>
{ sessiondata.active &&(<div id="hamburger-button" className={`hamburger ${menu_shown && 'hamburger-active'}`}
onClick={() => toggle_menu('toggle')}>
<hr />
<hr />
<hr />

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@ -1,8 +1,10 @@
import { Component, h } from 'preact';
import { h } from 'preact';
import { Link } from 'preact-router';
class Menu extends Component {
menu_items = [
import { useContext } from 'preact/hooks';
import AppState from '../../store/AppState';
function Menu({items}) {
let [ menu_shown, toggle_menu ] = useContext(AppState).menu;
let menu_items = [
{ text: "Übersicht", path: "/" },
{ text: "Benutzer", path: "/users" },
{ text: "System", path: "/system" },
@ -10,27 +12,25 @@ class Menu extends Component {
{ text: "Abmelden", path: "/logout" }
]
getAlert() {
alert("getAlert from Child");
}
onClick = (e) => {
const onClick = (e) => {
e.preventDefault();
this.props.menu.toggle();
toggle_menu('hide');
}
render(props) {
if(props.items)
this.menu_items = props.items;
if (props.menu.visible)
if (items)
menu_items = items;
if (menu_shown)
return (
<div class="container" >
<nav className='menu' >
<ul>
{this.menu_items.map((element, i) => (<li key={i}><Link href={element.path} onClick={this.onClick} >{element.text}</Link></li>))}
{menu_items.map((element, i) => (<li key={i}><Link href={element.path} onClick={onClick} >{element.text}</Link></li>))}
</ul>
</nav>
</div>)
}
}
export default Menu;

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@ -1,8 +0,0 @@
export const menuReducer=(state,action)=>{
switch(action){
case 'show': return true;
case 'hide': return false;
case 'toggle': return !state;
default: throw new Error("menustate unknown to reducer");
}
}

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@ -1,19 +1,25 @@
import { h } from 'preact';
import { useState } from 'preact/hooks';
import { route } from 'preact-router';
import { useContext,useState } from 'preact/hooks';
import AppState from '../../store/AppState';
import Breadcrumbs from '../../components/breadcrumbs';
function Login(props, ctx) {
function Login() {
let [sessiondata, setsession]= useContext(AppState).session;
const [val, set] = useState({ username: '', password: '', error: null });
const navigation = ["Login"];
const session = ctx.get('Session');
if(sessiondata.active)
route('/', true);
function onSubmit(e) {
e.preventDefault();
//sucess
if (val.username === 'admin') {
session.data = val;
route('/', true);
let newsession = {
type: 'start',
username: 'affe',
token: 'dsf4w3qr'
}
setsession(newsession);
}
else {
set({ ...val, error: "user" });

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@ -1,19 +1,21 @@
import { h } from 'preact';
import { Link } from 'preact-router';
import { useContext } from 'preact/hooks';
import AppState from '../../store/AppState';
import { Breadcrumbs } from '../../components';
function Logout (props, ctx) {
function Logout() {
const navigation = ["Logout"];
const session = ctx.get('Session');
let [sessiondata, setsession] = useContext(AppState).session;
this.shouldComponentUpdate = function () {
console.log('functional component vs closures');
}
if (session.actions.isAuth()) {
session.data = { username: '', password: '' };
if (sessiondata.active) {
setsession({ type: 'end' })
}
return (
<div class="container">
<Breadcrumbs items={navigation} />

16
src/store/reducers.js Normal file
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@ -0,0 +1,16 @@
export const menuReducer = (state, action) => {
switch (action) {
case 'show': return true;
case 'hide': return false;
case 'toggle': return !state;
default: throw new Error("menustate unknown to reducer");
}
}
export const sessionReducer = (state, action) => {
switch (action.type) {
case 'start': return {active: true, token: action.token, username: action.username}
case 'end': return {active: false, token: null, username: null, exiry: null}
default: throw new Error("action type unknown to session reducer");
}
}

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@ -1,11 +0,0 @@
function Consumer(props, ctx){
this.componentWillMount=()=>{
console.log("Component mounted");
}
if(props.datapath!==undefined)
ctx = ctx.get(props.datapath);
ctx.sub(this);
return props.children(ctx);
}
export default Consumer;

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@ -1,45 +0,0 @@
function subscribe (c) {
this.observers.push(c);
return () => { this.observers.splice(this.observers.indexOf(c), 1) }
}
function getStore(path){
let path_slices = path.split("/");
let current=this;
for(let s of path_slices){
if(!(s in current.tree))
current.tree[s] = new ObservableData();
current = current.tree[s];
}
return current;
}
function addAction(name, f){
this._actions[name] = f.bind(this._data);
}
function ObservableData() {
this.observers = [];
this.tree = {};
this._data = {};
this._actions = {};
const dispatchChange = () => {
this.observers.map(c=>c.forceUpdate());
}
return {
tree:this.tree,
addAction: addAction.bind(this),
sub: subscribe.bind(this),
get: getStore.bind(this),
get data() {
return this._data;
},
set data(val) {
this._data = val;
dispatchChange();
},
actions: this._actions,
}
}
export default ObservableData;

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@ -1,14 +0,0 @@
function Provider(props) {
if (this.root !== undefined) props.appdata = this.root;
if (!this.getChildContext && props.appdata !== undefined) {
this.getChildContext = () => props.appdata;
this.shouldComponentUpdate = function (_props) {
if (this.props.appdata !== _props.appdata) {
return true;
}
}
}
return props.children;
}
export default Provider;

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@ -1,15 +0,0 @@
import ObservableData from './ObservableData'
import Provider from './Provider'
let root = null;
function AppData() {
if(root===null){
console.log("New AppData created")
root = new ObservableData();
root.get("affe1234/123");
}
return root;
}
export const AppDataProvider = (props)=><Provider {...props} appdata={AppData()} />
export default AppData;

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@ -1,4 +0,0 @@
import AppData, {AppDataProvider} from './appdata'
import Provider from './appdata/Provider';
import Consumer from './appdata/Consumer';
export {AppData, AppDataProvider, Provider, Consumer}