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@peerreynders
Last active March 21, 2021 06:52
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Passing server generated data to client side code
<!doctype html>
<html lang="eng">
<!--
Originally:
https://elixirforum.com/t/passing-json-between-simple-reactjs-and-phoenix-elixir/19799/6
See also:
https://developer.mozilla.org/en-US/docs/Web/HTML/Element/script#Embedding_data_in_HTML
-->
<head>
<meta charset="utf-8"/>
<title>Injecting server generated data into client side code</title>
<style>
ul {
list-style: none;
}
</style>
</head>
<body>
<div id="app"></div>
<!-- Server generated JSON data -->
<script id="appProps" type="application/json">
{
"categories": ["1","2","3"]
}
</script>
<script type="module">
import { createElement as h, render, Component } from 'https://unpkg.com/preact?module';
function App({ categories }) {
return (
h('ul', null,
...categories.map(category => h('li', {key: category}, category))
)
);
}
// load data from script element
const data = document.getElementById('appProps');
const props = JSON.parse(data.text);
render(
h(App, { ...props }),
document.getElementById('app')
);
</script>
</body>
</html>
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