SvelteKit से Nexy तक

from nexy.core.models import NexyConfigModelfrom nexy.frontend import svelte  class NexyConfig(NexyConfigModel):    useFF = svelte()    useCSR = True    useAliases = {"@": "src"}

<h1>About</h1>

<h1>About</h1>

<script lang="ts">  import { page } from "$app/state";</script> <h1>{page.params.slug}</h1>

<script lang="ts">  let { slug }: { slug: string } = $props();</script> <h1>{slug}</h1>

<script lang="ts">  let { children } = $props();</script> <header>My app</header><main>{@render children()}</main>

<script lang="ts">  import type { Snippet } from "svelte";  let { children }: { children?: Snippet } = $props();</script> <html>  <body>    <header>My app</header>    <main>{@render children?.()}</main>  </body></html>

import { json } from "@sveltejs/kit"; export function GET({ params }) {  return json({ id: Number(params.id) });}

async def GET(id: int):    return {"id": id}

from pydantic import BaseModel, Field from nexy.http import JSONResponse  class NewItem(BaseModel):    name: str    price: float = Field(gt=0)  async def POST(item: NewItem):    return JSONResponse(item.model_dump(), status_code=201)

import { error, json } from "@sveltejs/kit"; export function GET({ params, url }) {  if (Number(params.id) > 100) error(404, "No such order");  return json({ id: Number(params.id), currency: url.searchParams.get("currency") ?? "EUR" });}

from nexy.http import HTTPException  async def GET(id: int, currency: str = "EUR"):    if id > 100:        raise HTTPException(status_code=404, detail="No such order")    return {"id": id, "currency": currency}

export async function load() {  return { users: await db.user.findMany() };}

<script lang="ts">  let { data } = $props();</script> <ul>  {#each data.users as user (user.id)}    <li>{user.name}</li>  {/each}</ul>

async def GET():    return [{"id": 1, "name": "Ada"}, {"id": 2, "name": "Alan"}]

<script lang="ts">  let users = $state<{ id: number; name: string }[]>([]);   $effect(() => {    fetch("/api/users").then((response) => response.json()).then((list) => (users = list));  });</script> <ul>  {#each users as user (user.id)}    <li>{user.name}</li>  {/each}</ul>

---users = [{"id": 1, "name": "Ada"}, {"id": 2, "name": "Alan"}]---<ul>  {% for user in users %}  <li>{{ user.name }}</li>  {% endfor %}</ul>

export const actions = {  default: async ({ request }) => {    const data = await request.formData();    await db.todo.create({ title: data.get("title") });  },};

<script lang="ts">  import { enhance } from "$app/forms";</script> <form method="POST" use:enhance>  <input name="title" />  <button>Add</button></form>

from pydantic import BaseModel from nexy.decorators import Action, revalidate  class Todo(BaseModel):    title: str    done: bool = False  @Actionasync def add_todo(title: str) -> Todo:    revalidate("/todos")    return Todo(title=title)

<script lang="ts">  import { useAction } from "@nexy/client";  import { add_todo } from "@nexy/actions";   let title = $state("");  const save = useAction(add_todo, { onSuccess: () => (title = "") });</script> <form onsubmit={(e) => { e.preventDefault(); save.run({ title }); }}>  <input bind:value={title} />  <button disabled={$save.pending}>Add</button></form>

<script lang="ts">  import { goto } from "$app/navigation";  import { page } from "$app/state";</script> <a href="/about">About</a><span>{page.url.pathname}</span><button onclick={() => goto("/dashboard")}>Dashboard</button>

<script lang="ts">  import Link from "@nexy/Link.svelte";  import { pathname, router } from "@nexy/client";</script> <Link href="/about" activeClass="active">About</Link><span>{$pathname}</span><button onclick={() => router.push("/dashboard")}>Dashboard</button>

export async function handle({ event, resolve }) {  if (event.url.pathname.startsWith("/dashboard") && !event.cookies.get("session")) {    return new Response(null, { status: 307, headers: { location: "/login" } });  }  const response = await resolve(event);  response.headers.set("x-app", "demo");  return response;}

from nexy.http import Request  async def middleware(request: Request, call_next):    response = await call_next(request)    response.headers["x-app"] = "demo"    return response

from nexy.http import RedirectResponse, Request  async def middleware(request: Request, call_next):    if "session" not in request.cookies:        return RedirectResponse("/login", status_code=307)    return await call_next(request)

async def GET():    return {"visits": 12}

export const prerender = true; export function entries() {  return [{ slug: "hello" }, { slug: "world" }];}

<script lang="ts" module>  export function getStaticParams() {    return [{ slug: "hello" }, { slug: "world" }];  }</script> <script lang="ts">  let { slug }: { slug: string } = $props();</script> <h1>{slug}</h1>

---revalidate = 60---<h1>News</h1>

<svelte:head>  <title>Blog</title></svelte:head>

---metadata = {"title": "Blog", "description": "Posts about Nexy"}---<h1>Blog</h1>

<script lang="ts">  let { start = 0 }: { start?: number } = $props();  let count = $state(start);</script> <button onclick={() => count++}>{count}</button>

---from "@/components/Counter.svelte" import Counter---<h1>Static heading</h1><Counter start=3 directive="client:visible" />

import { DATABASE_URL } from "$env/static/private";

import os DATABASE_URL = os.getenv("DATABASE_URL", "sqlite:///dev.db")