Page de statistiques

tools/stats/articles_per_year.js

@@ -0,0 +1,54 @@
+#!/usr/bin/env node
+
+const { loadArticles } = require("../lib/stats/articles");
+const { renderWithPython } = require("../lib/stats/python");
+
+function groupByYear(articles) {
+    const counts = new Map();
+    let first = null;
+    let last = null;
+
+    for (const article of articles) {
+        if (!article.date) continue;
+        const year = article.date.year;
+        counts.set(year, (counts.get(year) || 0) + 1);
+        if (!first || article.date < first) first = article.date;
+        if (!last || article.date > last) last = article.date;
+    }
+
+    const entries = Array.from(counts.entries()).sort((a, b) => a[0] - b[0]);
+    const labels = entries.map(([year]) => `${year}`);
+    const values = entries.map(([, value]) => value);
+
+    return { labels, values, first, last };
+}
+
+async function run({ contentDir, outputPath, publicPath }) {
+    if (!outputPath) {
+        throw new Error("outputPath manquant pour articles_per_year");
+    }
+
+    const articles = await loadArticles(contentDir || "content");
+    const { labels, values, first, last } = groupByYear(articles);
+
+    await renderWithPython({
+        type: "articles_per_year",
+        outputPath,
+        data: {
+            labels,
+            values,
+            title: "Articles par an",
+        },
+    });
+
+    return {
+        image: publicPath,
+        meta: {
+            from: first ? first.toISODate() : null,
+            to: last ? last.toISODate() : null,
+            years: labels.length,
+        },
+    };
+}
+
+module.exports = { run };