2024-06-03 13:56:20 +02:00
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import { t, T } from "./utils/index.js";
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2024-05-22 21:43:49 +02:00
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export const info= {
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href: "./",
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2024-06-03 13:56:20 +02:00
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title: t`Introduction`,
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description: t`Introducing a library.`,
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2024-05-22 21:43:49 +02:00
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};
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2023-11-06 20:20:32 +01:00
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2023-11-24 16:16:08 +01:00
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import { el } from "deka-dom-el";
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2024-05-22 21:43:49 +02:00
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import { simplePage } from "./layout/simplePage.html.js";
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2024-06-03 13:56:20 +02:00
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import { h3 } from "./components/pageUtils.html.js";
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2023-11-21 14:37:57 +01:00
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import { example } from "./components/example.html.js";
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2024-06-03 13:56:20 +02:00
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import { code } from "./components/code.html.js";
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/** @param {string} url */
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const fileURL= url=> new URL(url, import.meta.url);
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const references= {
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2024-06-03 16:20:42 +02:00
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w_mvv:{
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title: t`Wikipedia: Model–view–viewmodel`,
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href: "https://en.wikipedia.org/wiki/Model%E2%80%93view%E2%80%93viewmodel",
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},
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w_mvc: {
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title: t`Wikipedia: Model–view–controller`,
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href: "https://en.wikipedia.org/wiki/Model%E2%80%93view%E2%80%93controller",
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},
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2024-06-03 13:56:20 +02:00
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};
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2023-11-07 15:10:55 +01:00
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/** @param {import("./types.d.ts").PageAttrs} attrs */
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2023-11-10 17:15:59 +01:00
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export function page({ pkg, info }){
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2023-11-07 15:10:55 +01:00
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const page_id= info.id;
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2023-11-24 16:16:08 +01:00
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return el(simplePage, { info, pkg }).append(
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2024-06-03 13:56:20 +02:00
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el("p", t`The library tries to provide pure JavaScript tool(s) to create reactive interfaces using …`),
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2024-06-04 15:57:52 +02:00
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2024-06-03 13:56:20 +02:00
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el(h3, t`Event-driven programming (3 parts separation ≡ 3PS)`),
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el("p").append(t`
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Let's introduce the basic principle on which the library is built. We'll use the JavaScript listener as
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a starting point.
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`),
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el(code, { src: fileURL("./components/examples/introducing/3ps.js"), page_id }),
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2024-06-03 16:20:42 +02:00
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el("p").append(...T`
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As we can see, in the code at location “A” we define ${el("em", t`how to react`)} when the function
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is called with any event as an argument. At that moment, we ${el("em", t`don't care who/why/how`)}
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the function was called. Similarly, at point “B”, we reference to a function to be called on the event
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${el("em", t`without caring`)} what the function will do at that time. Finally, at point “C”, we tell
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the application that a change has occurred, in the input, and we ${el("em", t`don't care if/how someone`)}
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is listening for the event.
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2024-06-03 13:56:20 +02:00
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`),
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2024-06-03 16:20:42 +02:00
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el(example, { src: fileURL("./components/examples/introducing/helloWorld.js"), page_id }),
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2024-06-03 13:56:20 +02:00
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el("p").append(...T`
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2024-06-03 16:20:42 +02:00
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The library introduces a new “type” of variable/constant called ${el("em", t`signal`)} allowing us to
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to use introduced 3PS pattern in our applications. As you can see it in the example above.
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2024-06-03 13:56:20 +02:00
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`),
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el("p").append(...T`
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2024-06-04 15:57:52 +02:00
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Also please notice that there is very similar 3PS pattern used for separate creation of UI and
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business logic.
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2024-06-03 13:56:20 +02:00
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`),
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el("p").append(...T`
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2024-06-03 16:20:42 +02:00
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The 3PS is very simplified definition of the pattern. There are more deep/academic definitions more precisely
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describe usage in specific situations, see for example ${el("a", { textContent: t`MVVM`, ...references.w_mvv })}
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or ${el("a", { textContent: t`MVC`, ...references.w_mvc })}.
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2024-06-03 13:56:20 +02:00
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`),
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2024-06-04 15:57:52 +02:00
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2024-06-03 16:20:42 +02:00
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el(h3, t`Organization of the documentation`),
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2023-09-26 16:02:10 +02:00
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);
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}
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