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📝 Added sandbox (code sketchbook)

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z3rOR0ne 2023-04-22 00:41:54 -07:00
parent b475595f7f
commit b5daf18b1a
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sandbox/vue_sse/.vscode/extensions.json vendored Normal file
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{
"recommendations": ["Vue.volar", "Vue.vscode-typescript-vue-plugin"]
}

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sandbox/vue_sse/vue_sse_back/README.md Normal file
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### A Very Basic Set Up for Server Side Events Using Node/ExpressJS
This very basic project is a set up to scaffold a working backend in
Node/ExpressJS for server side events.
It is a small adjustment to [Hussein Nasser's youtube video on the topic](https://www.youtube.com/watch?v=4HlNv1qpZFY).
__Installing and Getting Started__
```
git clone <this_repo_url>
```
```
cd <this_repo_name>
```
```
npm install
```
```
npm run start
```

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sandbox/vue_sse/vue_sse_back/index.js Normal file
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const express = require('express')
const route = express.Router()
const app = express()
// const bodyParser = require('body-parser')
const path = require('path')
const cors = require('cors')
// middleware
app.use(
cors({
origin: true,
credentials: true,
}),
)
// app.use(bodyParser.urlencoded({ extended: false }))
// app.use(express.static(path.join(__dirname, 'public')))
// may not be necessary...
// app.use(express.json())
// routes
// route.get('/', (req, res) =>
// res.sendFile(__dirname + '/index.html'))
app.get('/stream', (req, res) => {
console.log('Client Connected')
res.setHeader('Content-Type', 'text/event-stream')
// res.setHeader('Access-Control-Allow-Origin', '*')
let i = 0
const intervalId = setInterval(() => {
// const date = new Date().toLocaleString()
// res.write(`data: ${date}\n\n`)
res.write(`data: hello: ${i++}\n\n`)
}, 1000)
res.on('close', () => {
console.log('Client closed connection')
clearInterval(intervalId)
res.end()
})
// send(res)
})
// server
app.listen(8080, () => console.log('listening on 8080'))

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sandbox/vue_sse/vue_sse_back/package.json Normal file
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{
"name": "node_sse",
"version": "1.0.0",
"description": "small sse for educational purposes",
"main": "index.js",
"scripts": {
"start": "nodemon index.js"
},
"author": "tomit4",
"license": "BSD-3-Clause",
"dependencies": {
"cors": "^2.8.5",
"express": "^4.18.2"
},
"devDependencies": {
"nodemon": "^2.0.22"
}
}

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sandbox/vue_sse/vue_sse_front/.prettierrc Normal file
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trailingComma: "all"
tabWidth: 4
semi: false
singleQuote: true
bracketSpacing: true
arrowParens: "avoid"

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# Vue 3 + Vite
This template should help get you started developing with Vue 3 in Vite. The template uses Vue 3 `<script setup>` SFCs, check out the [script setup docs](https://v3.vuejs.org/api/sfc-script-setup.html#sfc-script-setup) to learn more.
## Recommended IDE Setup
- [VS Code](https://code.visualstudio.com/) + [Volar](https://marketplace.visualstudio.com/items?itemName=Vue.volar) (and disable Vetur) + [TypeScript Vue Plugin (Volar)](https://marketplace.visualstudio.com/items?itemName=Vue.vscode-typescript-vue-plugin).

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sandbox/vue_sse/vue_sse_front/index.html Normal file
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<link rel="icon" type="image/svg+xml" href="/vite.svg" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Vite + Vue</title>
</head>
<body>
<div id="app"></div>
<script type="module" src="/src/main.js"></script>
</body>
</html>

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sandbox/vue_sse/vue_sse_front/package.json Normal file
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{
"name": "vue_sse",
"private": true,
"version": "0.0.0",
"type": "module",
"scripts": {
"dev": "vite",
"build": "vite build",
"preview": "vite preview"
},
"dependencies": {
"vue": "^3.2.47"
},
"devDependencies": {
"@vitejs/plugin-vue": "^4.1.0",
"vite": "^4.2.0"
}
}

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<!DOCTYPE html>
<html lang="en">
<head>
<title></title>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link href="css/style.css" rel="stylesheet">
</head>
<body>
<h1>Hello World!</h1>
<ul class="stream-section"></ul>
<script src="index.js"></script>
</body>
</html>

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sandbox/vue_sse/vue_sse_front/public/index.js Normal file
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const sse = new EventSource("http://localhost:8080/stream")
const streamSection = document.querySelector('.stream-section')
sse.onmessage = (e) => {
const node = document.createElement('li')
node.textContent = e.data
streamSection.appendChild(node)
}
// stops stream after 30 seconds
setTimeout(() => sse.close(), 30000)

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sandbox/vue_sse/vue_sse_front/src/App.vue Normal file
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<script setup>
import HelloWorld from './components/HelloWorld.vue'
</script>
<template>
<HelloWorld msg="Hello World!" />
</template>
<style scoped>
.logo {
height: 6em;
padding: 1.5em;
will-change: filter;
transition: filter 300ms;
}
.logo:hover {
filter: drop-shadow(0 0 2em #646cffaa);
}
.logo.vue:hover {
filter: drop-shadow(0 0 2em #42b883aa);
}
</style>

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<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" aria-hidden="true" role="img" class="iconify iconify--logos" width="37.07" height="36" preserveAspectRatio="xMidYMid meet" viewBox="0 0 256 198"><path fill="#41B883" d="M204.8 0H256L128 220.8L0 0h97.92L128 51.2L157.44 0h47.36Z"></path><path fill="#41B883" d="m0 0l128 220.8L256 0h-51.2L128 132.48L50.56 0H0Z"></path><path fill="#35495E" d="M50.56 0L128 133.12L204.8 0h-47.36L128 51.2L97.92 0H50.56Z"></path></svg>
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sandbox/vue_sse/vue_sse_front/src/components/HelloWorld.vue Normal file
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<script>
import { ref } from 'vue'
export default {
props: {
msg: String,
},
computed: {
nodes() {
const sse = new EventSource('http://localhost:8080/stream')
const nodes = ref([])
sse.onmessage = e => {
console.log('e :=>', e)
const node = e.data
nodes.value.push(node)
}
setTimeout(() => sse.close(), 30000)
return nodes
},
},
}
</script>
<template>
<h2>{{ msg }}</h2>
<ul class="stream" v-for="node in nodes.value">
<li>{{ node }}</li>
</ul>
</template>
<style scoped>
.stream {
list-style: none;
}
</style>

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sandbox/vue_sse/vue_sse_front/src/main.js Normal file
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import { createApp } from 'vue'
import './style.css'
import App from './App.vue'
createApp(App).mount('#app')

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:root {
font-family: Inter, system-ui, Avenir, Helvetica, Arial, sans-serif;
line-height: 1.5;
font-weight: 400;
color-scheme: light dark;
color: rgba(255, 255, 255, 0.87);
background-color: #242424;
font-synthesis: none;
text-rendering: optimizeLegibility;
-webkit-font-smoothing: antialiased;
-moz-osx-font-smoothing: grayscale;
-webkit-text-size-adjust: 100%;
}
a {
font-weight: 500;
color: #646cff;
text-decoration: inherit;
}
a:hover {
color: #535bf2;
}
a {
font-weight: 500;
color: #646cff;
text-decoration: inherit;
}
a:hover {
color: #535bf2;
}
body {
margin: 0;
display: flex;
place-items: center;
min-width: 320px;
min-height: 100vh;
}
h1 {
font-size: 3.2em;
line-height: 1.1;
}
button {
border-radius: 8px;
border: 1px solid transparent;
padding: 0.6em 1.2em;
font-size: 1em;
font-weight: 500;
font-family: inherit;
background-color: #1a1a1a;
cursor: pointer;
transition: border-color 0.25s;
}
button:hover {
border-color: #646cff;
}
button:focus,
button:focus-visible {
outline: 4px auto -webkit-focus-ring-color;
}
.card {
padding: 2em;
}
#app {
max-width: 1280px;
margin: 0 auto;
padding: 2rem;
text-align: center;
}
@media (prefers-color-scheme: light) {
:root {
color: #213547;
background-color: #ffffff;
}
a:hover {
color: #747bff;
}
button {
background-color: #f9f9f9;
}
}

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import { defineConfig } from 'vite'
import vue from '@vitejs/plugin-vue'
// https://vitejs.dev/config/
export default defineConfig({
plugins: [vue()],
})