Page de statistiques

tools/stats/articles_avg_per_month.js

@@ -0,0 +1,32 @@
+#!/usr/bin/env node
+
+const { loadArticles } = require("../lib/stats/articles");
+
+function computeAveragePerMonth(articles) {
+    let first = null;
+    let last = null;
+
+    for (const article of articles) {
+        if (!article.date) continue;
+        if (!first || article.date < first) first = article.date;
+        if (!last || article.date > last) last = article.date;
+    }
+
+    if (!first || !last) {
+        return { average: 0, months: 0 };
+    }
+
+    const monthSpan = Math.max(1, Math.round(last.diff(first.startOf("month"), "months").months) + 1);
+    const total = articles.filter((a) => a.date).length;
+    const average = total / monthSpan;
+
+    return { average, months: monthSpan };
+}
+
+async function run({ contentDir }) {
+    const articles = await loadArticles(contentDir || "content");
+    const { average, months } = computeAveragePerMonth(articles);
+    return { value: average.toFixed(2), meta: { months } };
+}
+
+module.exports = { run };