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deka-dom-el/docs_src/index.html.js

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import { t, T } from "./utils/index.js";
export const info= {
href: "./",
title: t`Introduction`,
description: t`Introducing a library.`,
};
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import { el } from "deka-dom-el";
import { simplePage } from "./layout/simplePage.html.js";
import { h3 } from "./components/pageUtils.html.js";
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import { example } from "./components/example.html.js";
import { code } from "./components/code.html.js";
/** @param {string} url */
const fileURL= url=> new URL(url, import.meta.url);
const references= {
};
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/** @param {import("./types.d.ts").PageAttrs} attrs */
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export function page({ pkg, info }){
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const page_id= info.id;
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return el(simplePage, { info, pkg }).append(
el("p", t`The library tries to provide pure JavaScript tool(s) to create reactive interfaces using …`),
el(h3, t`Event-driven programming (3 parts separation ≡ 3PS)`),
el("p").append(t`
Let's introduce the basic principle on which the library is built. We'll use the JavaScript listener as
a starting point.
`),
el(code, { src: fileURL("./components/examples/introducing/3ps.js"), page_id }),
el("p").append(t`
As we can see, in the code at location A we define how to react when the function is called with
any event as an argument. At that moment, we don't care who/why/how the function was called. Similarly,
at point B, we reference to a function to be called on the event without caring what the function will
do at that time. Finally, at point C, we tell the application that a change has occurred, in the input,
and we don't care if/how someone is listening for the event.
`),
el("p").append(...T`
We start with creating and modifying a static elements and end up with UI templates.
${el("em").append(...T`From ${el("code", "document.createElement")} to ${el("code", "el")}.`)}.
Then we go through the native events system and the way to include it declaratively in UI templates.
${el("em").append(...T`From ${el("code", "element.addEventListener")} to ${el("code", "on")}.`)}
`),
el("p").append(...T`
Next step is providing interactivity not only for our UI templates.
We introduce signals (${el("code", "S")}) and how them incorporate to UI templates.
`),
el("p").append(...T`
Now we will clarify how the signals are incorporated into our templates with regard to application
performance. This is not the only reason the library uses ${el("code", "scope")}s. We will look at
how they work in components represented in JavaScript by functions.
`),
el(example, { src: fileURL("./components/examples/introducing/helloWorld.js"), page_id }),
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);
}