111 lines
3.1 KiB
JavaScript
111 lines
3.1 KiB
JavaScript
// astro.config.mjs
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// @ts-check
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import { defineConfig } from "astro/config";
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import mdx from "@astrojs/mdx";
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import sitemap from "@astrojs/sitemap";
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import rehypeSlug from "rehype-slug";
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import rehypeAutolinkHeadings from "rehype-autolink-headings";
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import rehypeDetailsSections from "./scripts/rehype-details-sections.mjs";
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import rehypeParagraphIds from "./src/plugins/rehype-paragraph-ids.js";
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/**
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* Cast minimal pour satisfaire @ts-check sans dépendre de types internes Astro/Unified.
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* @param {unknown} x
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* @returns {any}
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*/
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const asAny = (x) => /** @type {any} */ (x);
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/**
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* @param {any} node
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* @param {string} cls
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* @returns {boolean}
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*/
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function hasClass(node, cls) {
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const cn = node?.properties?.className;
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if (Array.isArray(cn)) return cn.includes(cls);
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if (typeof cn === "string") return cn.split(/\s+/).includes(cls);
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return false;
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}
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/**
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* Rehype plugin: retire les ids dupliqués en gardant en priorité:
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* 1) span.details-anchor
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* 2) h1..h6
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* 3) sinon: premier rencontré
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* @returns {(tree: any) => void}
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*/
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function rehypeDedupeIds() {
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/** @param {any} tree */
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return (tree) => {
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/** @type {Map<string, Array<{node:any, pref:number, idx:number}>>} */
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const occ = new Map();
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let idx = 0;
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/** @param {any} node */
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const walk = (node) => {
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if (!node || typeof node !== "object") return;
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if (node.type === "element") {
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const id = node.properties?.id;
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if (typeof id === "string" && id) {
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let pref = 2;
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if (node.tagName === "span" && hasClass(node, "details-anchor")) pref = 0;
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else if (/^h[1-6]$/.test(String(node.tagName || ""))) pref = 1;
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const arr = occ.get(id) || [];
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arr.push({ node, pref, idx: idx++ });
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occ.set(id, arr);
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}
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const children = node.children;
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if (Array.isArray(children)) for (const c of children) walk(c);
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} else if (Array.isArray(node.children)) {
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for (const c of node.children) walk(c);
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}
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};
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walk(tree);
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for (const [id, items] of occ.entries()) {
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if (items.length <= 1) continue;
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items.sort((a, b) => (a.pref - b.pref) || (a.idx - b.idx));
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const keep = items[0];
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for (let i = 1; i < items.length; i++) {
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const n = items[i].node;
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if (n?.properties?.id === id) delete n.properties.id;
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}
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// safety: on s'assure qu'un seul garde bien l'id
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if (keep?.node?.properties) keep.node.properties.id = id;
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}
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};
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}
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export default defineConfig({
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output: "static",
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trailingSlash: "always",
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site: process.env.PUBLIC_SITE ?? "http://localhost:4321",
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integrations: [
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// Important: MDX hérite du pipeline markdown (ids p-… + autres plugins)
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mdx({ extendMarkdownConfig: true }),
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sitemap({
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filter: (page) => !page.includes("/api/") && !page.endsWith("/robots.txt"),
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}),
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],
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markdown: {
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rehypePlugins: [
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asAny(rehypeSlug),
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[asAny(rehypeAutolinkHeadings), { behavior: "append" }],
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asAny(rehypeDetailsSections),
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asAny(rehypeParagraphIds),
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asAny(rehypeDedupeIds),
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],
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},
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});
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