Membangun aplikasi web di era modern memerlukan pondasi yang kokoh. Framework modern memberikan fleksibilitas luar biasa bagi developer untuk menghadirkan fitur kompleks secara cepat tanpa mengabaikan aspek keamanan dan keandalan sistem.
Tahapan Implementasi & Walkthrough Kode
Berikut adalah langkah demi langkah teknis yang dapat Anda ikuti langsung pada codebase Anda:
Tahap 1: Penulisan Kode & Konfigurasi
//import useState
import { useState } from "react";
//import API
import api from "../services/api";
export default function PostEdit({ postID, postTitle, postContent }) {
//define state
const [image, setImage] = useState("");
const [title, setTitle] = useState(postTitle);
const [content, setContent] = useState(postContent);
//state validation
const [errors, setErrors] = useState([]);
//method handle file change
const handleFileChange = (e) => {
setImage(e.target.files[0]);
};
//method update post
const updatePost = async (e) => {
e.preventDefault();
//init FormData
const formData = new FormData();
//append data
formData.append("image", image);
formData.append("title", title);
formData.append("content", content);
formData.append("_method", "PUT");
//send data with API
await api
.post(`/api/posts/${postID}`, formData)
.then(() => {
//redirect to posts index
window.location.href = "/posts";
})
.catch((error) => {
//set errors response to state "errors"
setErrors(error.response.data);
});
};
return (
<div className="container mt-5">
<div className="row">
<div className="col-md-12">
<div className="card border-0 rounded shadow">
<div className="card-body">
<form onSubmit={updatePost}>
<div className="mb-3">
<label className="form-label fw-bold">Image</label>
<input
type="file"
onChange={handleFileChange}
className="form-control"
/>
{errors.image && (
<div className="alert alert-danger mt-2">
{errors.image[0]}
</div>
)}
</div>
<div className="mb-3">
<label className="form-label fw-bold">Title</label>
<input
type="text"
className="form-control"
value={title}
onChange={(e) => setTitle(e.target.value)}
placeholder="Title Post"
/>
{errors.title && (
<div className="alert alert-danger mt-2">
{errors.title[0]}
</div>
)}
</div>
<div className="mb-3">
<label className="form-label fw-bold">Content</label>
<textarea
className="form-control"
value={content}
onChange={(e) => setContent(e.target.value)}
rows="5"
placeholder="Content Post"
></textarea>
{errors.content && (
<div className="alert alert-danger mt-2">
{errors.content[0]}
</div>
)}
</div>
<button
type="submit"
className="btn btn-md btn-primary rounded-sm shadow border-0"
>
Update
</button>
</form>
</div>
</div>
</div>
</div>
</div>
);
}
Tahap 2: Penulisan Kode & Konfigurasi
//import useState
import { useState } from "react";
Tahap 3: Penulisan Kode & Konfigurasi
//import API
import api from "../services/api";
Tahap 4: Penulisan Kode & Konfigurasi
export default function PostEdit({ postID, postTitle, postContent }) {
//...
}
Tahap 5: Penulisan Kode & Konfigurasi
//define state
const [image, setImage] = useState("");
const [title, setTitle] = useState(postTitle);
const [content, setContent] = useState(postContent);
//state validation
const [errors, setErrors] = useState([]);
Tahap 6: Penulisan Kode & Konfigurasi
//method handle file change
const handleFileChange = (e) => {
setImage(e.target.files[0]);
}
Tahap 7: Penulisan Kode & Konfigurasi
<form onSubmit={updatePost}>
//...
</form>
Tahap 8: Penulisan Kode & Konfigurasi
//method update post
const updatePost = async (e) => {
//...
}
Tahap 9: Penulisan Kode & Konfigurasi
//init FormData
const formData = new FormData();
//append data
formData.append('image', image);
formData.append('title', title);
formData.append('content', content);
formData.append('_method', 'PUT')
Tahap 10: Penulisan Kode & Konfigurasi
//send data with API
await api.post(`/api/posts/${postID}`, formData)
Tahap 11: Penulisan Kode & Konfigurasi
//redirect to posts index
window.location.href = "/posts";
Tahap 12: Penulisan Kode & Konfigurasi
//set errors response to state "errors"
setErrors(error.response.data);
Tahap 13: Penulisan Kode & Konfigurasi
<input
type="text"
className="form-control"
value={title}
onChange={(e) => setTitle(e.target.value)}
placeholder="Title Post"
/>
Tahap 14: Penulisan Kode & Konfigurasi
<textarea
className="form-control"
value={content}
onChange={(e) => setContent(e.target.value)}
rows="5"
placeholder="Content Post"
></textarea>
Tahap 15: Penulisan Kode & Konfigurasi
---
//import transitions effect
import { ViewTransitions } from "astro:transitions";
//import layout
import MainLayout from "../../../layouts/MainLayout.astro";
//import form edit post
import PostEdit from "../../../components/PostEdit.jsx";
//import service api
import api from "../../../services/api";
//get ID
const { id } = Astro.params;
//fetch detail data
const { data } = await api.get(`/api/posts/${id}`);
---
<MainLayout>
<ViewTransitions />
<div class="container mb-5" style="margin-top: 5rem;">
<div class="row">
<div class="col-md-12">
<PostEdit
client:load
postID={data.data.id}
postTitle={data.data.title}
postContent={data.data.content}
/>
</div>
</div>
</div>
</MainLayout>
Tahap 16: Penulisan Kode & Konfigurasi
//import transitions effect
import { ViewTransitions } from "astro:transitions";
Tahap 17: Penulisan Kode & Konfigurasi
//import layout
import MainLayout from "../../../layouts/MainLayout.astro";
Tahap 18: Penulisan Kode & Konfigurasi
//import form edit post
import PostEdit from "../../../components/PostEdit.jsx";
Tahap 19: Penulisan Kode & Konfigurasi
//import service api
import api from "../../../services/api";
Tahap 20: Penulisan Kode & Konfigurasi
//get ID
const { id } = Astro.params;
Tahap 21: Penulisan Kode & Konfigurasi
//fetch detail data
const { data } = await api.get(`/api/posts/${id}`);
Tahap 22: Penulisan Kode & Konfigurasi
<PostEdit
client:load
postID={data.data.id}
postTitle={data.data.title}
postContent={data.data.content}
/>
Selalu gunakan pendekatan deklaratif, validasi input seawal mungkin di boundary layer, dan lakukan logging terstruktur untuk memudahkan observability ketika sistem dijalankan di lingkungan cloud produksi.
Kesimpulan
Dengan mengikuti langkah-langkah terstruktur di atas, implementasi modul Anda akan jauh lebih rapi, aman dari bug umum, serta siap diskalakan ke lingkungan produksi.
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