mirror of
https://github.com/jaandrle/deka-dom-el
synced 2025-11-03 22:59:16 +01:00
69 lines
2.2 KiB
JavaScript
69 lines
2.2 KiB
JavaScript
import { styles } from "../ssr.js";
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const host= "."+example.name;
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styles.css`
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${host}{
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grid-column: full-main;
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width: 100%;
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max-width: calc(9/5 * var(--body-max-width));
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height: calc(3/5 * var(--body-max-width));
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margin-inline: auto;
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}
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.CodeMirror, .CodeMirror-gutters {
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background: #212121 !important;
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border: 1px solid white;
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}
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`;
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const dde_content= s.cat(new URL("../../dist/esm-with-observables.js", import.meta.url)).toString();
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import { el } from "deka-dom-el";
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import { code } from "./code.html.js";
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import { relative } from "node:path";
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/**
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* Prints code to the page and registers flems to make it interactive.
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* @param {object} attrs
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* @param {URL} attrs.src Example code file path
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* @param {"js"|"ts"|"html"|"css"} [attrs.language="js"] Language of the code
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* @param {string} attrs.page_id ID of the page
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* */
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export function example({ src, language= "js", page_id }){
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registerClientPart(page_id);
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const content= s.cat(src).toString()
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.replaceAll(/ from "deka-dom-el(\/observables)?";/g, ' from "./esm-with-observables.js";');
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const id= "code-example-"+generateCodeId(src);
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return el().append(
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el(code, { id, content, language, className: example.name }),
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elCode({ id, content, extension: "."+language })
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);
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}
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function elCode({ id, content, extension: name }){
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const options= JSON.stringify({
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files: [{ name, content }, { name: "esm-with-observables.js", content: dde_content }],
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toolbar: false
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});
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return el("script", `Flems(document.getElementById("${id}"), JSON.parse(${JSON.stringify(options)}));`);
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}
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let is_registered= {};
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/** @param {string} page_id */
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function registerClientPart(page_id){
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if(is_registered[page_id]) return;
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document.head.append(
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el("script", { src: "https://flems.io/flems.html", type: "text/javascript", charset: "utf-8" }),
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);
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is_registered[page_id]= true;
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}
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const store_prev= new Map();
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/** @param {URL} src */
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function generateCodeId(src){
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const candidate= parseInt(relative((new URL("..", import.meta.url)).pathname, src.pathname)
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.split("")
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.map(ch=> ch.charCodeAt(0))
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.join(""), 10)
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.toString(36)
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.replace(/000+/g, "");
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const count= 1 + ( store_prev.get(candidate) || 0 );
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store_prev.set(candidate, count);
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return count.toString()+"-"+candidate;
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}
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