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+sse test

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Miki 2023-12-19 16:56:10 +01:00
parent 19cf309392
commit 2289aa31fd
61 changed files with 2250 additions and 0 deletions
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13
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.DS_Store
node_modules
/build
/.svelte-kit
/package
.env
.env.*
!.env.example
# Ignore files for PNPM, NPM and YARN
pnpm-lock.yaml
package-lock.json
yarn.lock

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/** @type { import("eslint").Linter.FlatConfig } */
module.exports = {
root: true,
extends: ['eslint:recommended', 'plugin:svelte/recommended', 'prettier'],
parserOptions: {
sourceType: 'module',
ecmaVersion: 2020,
extraFileExtensions: ['.svelte']
},
env: {
browser: true,
es2017: true,
node: true
}
};

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.DS_Store
node_modules
/build
/.svelte-kit
/package
.env
.env.*
!.env.example
vite.config.js.timestamp-*
vite.config.ts.timestamp-*

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engine-strict=true

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# Ignore files for PNPM, NPM and YARN
pnpm-lock.yaml
package-lock.json
yarn.lock

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{
"useTabs": true,
"singleQuote": true,
"trailingComma": "none",
"printWidth": 100,
"plugins": ["prettier-plugin-svelte"],
"overrides": [{ "files": "*.svelte", "options": { "parser": "svelte" } }]
}

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# create-svelte
Everything you need to build a Svelte project, powered by [`create-svelte`](https://github.com/sveltejs/kit/tree/master/packages/create-svelte).
## Creating a project
If you're seeing this, you've probably already done this step. Congrats!
```bash
# create a new project in the current directory
npm create svelte@latest
# create a new project in my-app
npm create svelte@latest my-app
```
## Developing
Once you've created a project and installed dependencies with `npm install` (or `pnpm install` or `yarn`), start a development server:
```bash
npm run dev
# or start the server and open the app in a new browser tab
npm run dev -- --open
```
## Building
To create a production version of your app:
```bash
npm run build
```
You can preview the production build with `npm run preview`.
> To deploy your app, you may need to install an [adapter](https://kit.svelte.dev/docs/adapters) for your target environment.

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{
"name": "fe",
"version": "0.0.1",
"private": true,
"scripts": {
"dev": "vite dev --host",
"build": "vite build",
"preview": "vite preview",
"lint": "prettier --check . && eslint .",
"format": "prettier --write ."
},
"devDependencies": {
"@sveltejs/adapter-auto": "^3.0.0",
"@sveltejs/adapter-static": "^3.0.0",
"@sveltejs/kit": "^2.0.3",
"@sveltejs/vite-plugin-svelte": "^3.0.1",
"eslint": "^8.56.0",
"eslint-config-prettier": "^9.1.0",
"eslint-plugin-svelte": "^2.35.1",
"prettier": "^3.1.1",
"prettier-plugin-svelte": "^3.1.2",
"svelte": "^4.2.8",
"vite": "^5.0.10"
},
"type": "module"
}

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<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8" />
<link rel="icon" href="%sveltekit.assets%/favicon.png" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
%sveltekit.head%
</head>
<body data-sveltekit-preload-data="hover">
<div style="display: contents">%sveltekit.body%</div>
</body>
</html>

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// place files you want to import through the `$lib` alias in this folder.

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export const prerender = true;
export const ssr = false;
export const trailingSlash = 'always';

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<h1>Welcome to SvelteKit</h1>
<p>Visit <a href="https://kit.svelte.dev">kit.svelte.dev</a> to read the documentation</p>

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<script>
import { onMount } from'svelte';
$: msg = "";
function now() {
const now = new Date(Date.now());
return now.toISOString();
}
function Subscribe() {
const sse = new EventSource(`/api/sse`);
console.log('subscribe');
sse.onopen = () => {
console.log(`sse open ${now()}`);
msg = `sse open ${now()}`;
};
sse.onerror = () => {
console.log(`sse error ${now()}`);
if (sse.readyState === EventSource.CONNECTING) {
console.log(`sse reconnecting ${now()}`);
}
msg = `sse error ${now()}`;
};
sse.onmessage = (e) => {
let Msg = JSON.parse(e.data);
console.log(`received: ${JSON.stringify(Msg)}`);
msg = `received: ${JSON.stringify(Msg)} ${Date.now()}`;
};
sse.addEventListener('ping', (e) => {
console.log(`ping: ${e.data}`);
msg = `ping: ${e.data} ${Date.now()}`;
});
sse.addEventListener('pong', (e) => {
console.log(`pong: ${e.data}`);
msg = `pong: ${e.data} ${Date.now()}`;
});
sse.addEventListener('message', (e) => {
console.log(`message: ${e.data}`);
msg = `message: ${e.data} ${Date.now()}`;
})
return () => {
sse.close();
console.log(`sse closing ${Date.now()}`);
};
}
onMount(() => {
const unsub = Subscribe();
return unsub;
});
async function newmsg() {
await fetch('/api/msg');
}
async function ping() {
await fetch('/api/ping');
}
async function pong() {
await fetch('/api/pong');
}
</script>
<h1>{msg}</h1>
<button on:click={newmsg}>send Msg</button>
<button on:click={ping}>send Ping</button>
<button on:click={pong}>send Pong</button>

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// import adapter from '@sveltejs/adapter-auto';
import adapter from '@sveltejs/adapter-static';
/** @type {import('@sveltejs/kit').Config} */
const config = {
kit: {
// adapter-auto only supports some environments, see https://kit.svelte.dev/docs/adapter-auto for a list.
// If your environment is not supported or you settled on a specific environment, switch out the adapter.
// See https://kit.svelte.dev/docs/adapters for more information about adapters.
adapter: adapter({
pages: '../be/static',
assets: '../be/static',
fallback: 'index.html',
precompress: true,
strict: true
})
}
};
export default config;

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import { sveltekit } from '@sveltejs/kit/vite';
import { defineConfig } from 'vite';
export default defineConfig({
plugins: [sveltekit()]
});