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added js test app
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‎js-component-tests/.gitignore

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# Logs
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logs
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*.log
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npm-debug.log*
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yarn-debug.log*
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yarn-error.log*
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pnpm-debug.log*
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lerna-debug.log*
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node_modules
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dist
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dist-ssr
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*.local
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# Editor directories and files
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.vscode/*
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!.vscode/extensions.json
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.idea
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.DS_Store
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*.suo
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*.ntvs*
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*.njsproj
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*.sln
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*.sw?

‎js-component-tests/index.html

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<!doctype html>
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<html lang="en">
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<head>
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<meta charset="UTF-8" />
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<link rel="icon" type="image/svg+xml" href="/vite.svg" />
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<meta name="viewport" content="width=device-width, initial-scale=1.0" />
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<title>Vite + Lit</title>
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<link rel="stylesheet" href="./src/index.css" />
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<script type="module" src="/src/my-element.js"></script>
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</head>
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<body>
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<my-element>
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<h1>Vite + Lit</h1>
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</my-element>
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</body>
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</html>

‎js-component-tests/package.json

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{
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"name": "js-component-tests",
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"private": true,
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"version": "0.0.0",
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"type": "module",
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"scripts": {
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"dev": "vite",
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"build": "vite build",
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"preview": "vite preview"
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},
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"dependencies": {
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"lit": "^3.1.2",
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"lit-functions": "../lit-functions-v1.0.0.tgz"
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},
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"devDependencies": {
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"vite": "^5.2.0"
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}
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}

‎js-component-tests/public/vite.svg

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Loading

‎js-component-tests/src/assets/lit.svg

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‎js-component-tests/src/index.css

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:root {
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font-family: Inter, system-ui, Avenir, Helvetica, Arial, sans-serif;
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line-height: 1.5;
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font-weight: 400;
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color-scheme: light dark;
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color: rgba(255, 255, 255, 0.87);
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background-color: #242424;
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font-synthesis: none;
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text-rendering: optimizeLegibility;
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-webkit-font-smoothing: antialiased;
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-moz-osx-font-smoothing: grayscale;
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}
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body {
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margin: 0;
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display: flex;
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place-items: center;
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min-width: 320px;
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min-height: 100vh;
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}
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@media (prefers-color-scheme: light) {
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:root {
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color: #213547;
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background-color: #ffffff;
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}
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}

‎js-component-tests/src/my-element.js

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import { html, css } from "lit";
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import litLogo from './assets/lit.svg'
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import viteLogo from '/vite.svg'
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import component from "lit-functions";
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const style = css`
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:host {
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max-width: 1280px;
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margin: 0 auto;
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padding: 2rem;
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text-align: center;
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}
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.logo {
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height: 6em;
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padding: 1.5em;
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will-change: filter;
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transition: filter 300ms;
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}
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.logo:hover {
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filter: drop-shadow(0 0 2em #646cffaa);
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}
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.logo.lit:hover {
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filter: drop-shadow(0 0 2em #325cffaa);
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}
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.card {
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padding: 2em;
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}
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.read-the-docs {
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color: #888;
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}
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a {
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font-weight: 500;
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color: #646cff;
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text-decoration: inherit;
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}
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a:hover {
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color: #535bf2;
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}
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::slotted(h1) {
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font-size: 3.2em;
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line-height: 1.1;
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}
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button {
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border-radius: 8px;
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border: 1px solid transparent;
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padding: 0.6em 1.2em;
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font-size: 1em;
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font-weight: 500;
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font-family: inherit;
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background-color: #1a1a1a;
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cursor: pointer;
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transition: border-color 0.25s;
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}
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button:hover {
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border-color: #646cff;
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}
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button:focus,
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button:focus-visible {
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outline: 4px auto -webkit-focus-ring-color;
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}
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@media (prefers-color-scheme: light) {
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a:hover {
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color: #747bff;
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}
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button {
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background-color: #f9f9f9;
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}
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}
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`
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/**
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*
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* @param {import('lit-functions').Props} param0
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* @returns
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*/
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function myElement({useProp, onMount, updated}) {
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const [count, setCount] = useProp('count', {type: Number}, 0);
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const [refreshCounter, refresh] = useProp('refreshCounter', {type: Number}, 2);
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const [docs, _] = useProp('docs', {type: String}, 'This is some test docs');
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onMount(() => {
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console.log('onMount');
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refresh(refreshCounter + 1)
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});
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updated(
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/**
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*
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* @param {import('lit').PropertyDeclaration} changedProperties
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*/
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(changedProperties) => {
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console.log('changed', changedProperties);
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});
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return html`
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<div>
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<a href="https://vitejs.dev" target="_blank">
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<img src=${viteLogo} class="logo" alt="Vite logo" />
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</a>
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<a href="https://lit.dev" target="_blank">
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<img src=${litLogo} class="logo lit" alt="Lit logo" />
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</a>
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</div>
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<slot></slot>
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<div class="card">
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<button part="button" @click="${() => setCount(count + 1)}">
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count is ${count}
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</button>
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</div>
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<p class="read-the-docs">${refreshCounter}</p>
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<p class="read-the-docs">${docs}</p>
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`
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}
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component(myElement, [style]);

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