Différences

Ci-dessous, les différences entre deux révisions de la page.

--- web:framework:react [2023/03/17 00:21] – [Exemple classe TypeScript] jcheron
+++ web:framework:react [2024/04/10 09:40] (Version actuelle) – jcheron
@@ Ligne 96: / Ligne 96: @@
 ==== Exemple classe TypeScript ====
-<sxh typescript>
+<sxh javascript;title:components/hello.tsx>
 import React from "react";
@@ Ligne 112: / Ligne 112: @@
           <h1>{this.state.msg}</h1>
           <input value={this.state.msg} onChange={this.handleChange}/>
-        <nowiki></></nowiki>
+        < />
     );
   }
 }
 </sxh>
+==== Exemple fonction JavaScript ====
+<sxh javascript;title:components/hola.js>
+import {useState} from "react";
+export default function Hola(props){
+    const [message, setMessage] = useState(props.message);
+    const handleChange = (e) => {
+        setMessage(e.target.value);
+    }
+    return (
+      <>
+        <h1>{message}</h1>
+        <input type="text" value={message} onChange={handleChange}/>
+      < />
+    );
+}
+</sxh>
+==== Http Wrapper ====
+<sxh javascript>
+// This is a wrapper for the fetch API
+export default class AppHttp {
+    static async get(url, options) {
+        const response = await fetch(url, options);
+        return await response.json();
+    }
+    static async post(url, body, options) {
+        const response = await fetch(url, {
+            method: 'POST',
+            body: JSON.stringify(body),
+            ...options
+        });
+        return await response.json();
+    }
+    static async put(url, body, options) {
+        const response = await fetch(url, {
+            method: 'PUT',
+            body: JSON.stringify(body),
+            ...options
+        });
+        return await response.json();
+    }
+    static async delete(url, options) {
+        const response = await fetch(url, {
+            method: 'DELETE',
+            ...options
+        });
+        return await response.json();
+    }
+}
+</sxh>
+==== Contexte ====
+<sxh ts>
+'use client';
+import React, {createContext, ReactNode, useContext, useState} from 'react';
+interface DemoContextType {
+    data: number;
+    setData: (d:number)=>void;
+}
+const DemoContext = createContext<DemoContextType | undefined>(undefined);
+export const demoProvider: React.FC<{ children: ReactNode }> = ({children}) => {
+    const [data, setData] = useState<number>(0);
+    return (
+        <DemoContext.Provider value={{data, setData}}>
+            {children}
+        </DemoContext.Provider>
+    );
+};
+export const useDemo = (): DemoContextType => {
+    const context = useContext(demoContext);
+    if (!context) {
+        throw new Error('usedemo must be used within a DemoProvider');
+    }
+    return context;
+};
+</sxh>
+===== Composants =====
+  * [[https://react-hook-form.com/|React-hook-form]]
+  * [[https://tanstack.com/query/v3/|React-query]]