105 lines
3.6 KiB
TypeScript
105 lines
3.6 KiB
TypeScript
import { createTextVNode, defineComponent, h, inject, onServerPrefetch, ref, type VNode, watchEffect } from "vue";
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import { RouterLink } from "vue-router";
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import useAsyncState from "@/useAsyncState.ts";
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import useHead from "@/useHead.ts";
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export default defineComponent({
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name: "ge-deutsch-article",
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props: {
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articleName: {
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type: String,
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required: true,
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},
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},
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async setup(props) {
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const currentLang = ref<"en" | "de">("de");
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function clickBtn() {
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currentLang.value = currentLang.value === "en" ? "de" : "en";
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}
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const parseDom = inject(
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"dom-parse",
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(innerHTML: string) => Object.assign(document.createElement("div"), { innerHTML }),
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);
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const title = ref("");
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const { result: articleContent, stateIsReady } = useAsyncState(
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"ge-deutsch-article-data",
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async ({ hostUrl }) => {
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const articleResponse = await fetch(`${hostUrl}/generative-energy/content/${props.articleName}.html`);
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const result = await articleResponse.text();
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title.value = result.split('<h1 lang="de">')[1].split("</h1>")[0];
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return result;
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},
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);
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useHead({ title });
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onServerPrefetch(() =>
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new Promise<void>((res) => {
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watchEffect(() => {
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if (title.value !== "") {
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console.log("resolve", title.value);
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res();
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}
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});
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})
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);
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function transformArticleNode(node: Node): VNode | string {
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if (node.nodeType === node.ELEMENT_NODE) {
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const el = node as Element;
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const attrs: Record<string, string> = {};
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const children = [...node.childNodes].map((_) => transformArticleNode(_));
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if (el.tagName === "P") {
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el.classList.add("text-slab");
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children.unshift(h("button", {
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class: "swap",
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onClick: (e) => {
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e.target.parentElement.classList.toggle("swap");
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},
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}, "↻"));
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}
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for (let i = 0; i < el.attributes.length; i++) {
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const item = el.attributes.item(i);
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if (item) {
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attrs[item.name] = item.value;
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}
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}
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return h((node as Element).tagName, attrs, children);
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} else {
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return createTextVNode(node.textContent ?? "");
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}
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}
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function ArticleContentTransformed() {
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if (articleContent.value) {
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const dom = parseDom(articleContent.value);
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return h("div", {}, [...dom.children].map((_) => transformArticleNode(_)));
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}
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return <div>Artikel lädt...</div>;
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}
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await stateIsReady;
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return () => (
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<div class="ge-article">
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<div class="header">
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<RouterLink to={{ name: "GEDeutsch" }}>Zur Artikelübersicht</RouterLink>
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<button onClick={clickBtn}>
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Sprache auf <span>{currentLang.value === "en" ? "Deutsch" : "Englisch"}</span> umschalten
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</button>
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</div>
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<article class={`lang-${currentLang.value}`}>
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<ArticleContentTransformed />
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</article>
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</div>
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);
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},
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});
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