full site update

node_modules/astro/dist/assets/fonts/logic/optimize-fallbacks.js

@@ -0,0 +1,47 @@
+import { isGenericFontFamily, unifontFontFaceDataToProperties } from "../utils.js";
+async function optimizeFallbacks({
+  family,
+  fallbacks: _fallbacks,
+  collectedFonts,
+  enabled,
+  systemFallbacksProvider,
+  fontMetricsResolver
+}) {
+  let fallbacks = [..._fallbacks];
+  if (fallbacks.length === 0 || !enabled || collectedFonts.length === 0) {
+    return null;
+  }
+  const lastFallback = fallbacks[fallbacks.length - 1];
+  if (!isGenericFontFamily(lastFallback)) {
+    return null;
+  }
+  const localFonts = systemFallbacksProvider.getLocalFonts(lastFallback);
+  if (!localFonts || localFonts.length === 0) {
+    return null;
+  }
+  if (localFonts.includes(family.name)) {
+    return null;
+  }
+  const localFontsMappings = localFonts.map((font) => ({
+    font,
+    // We must't wrap in quote because that's handled by the CSS renderer
+    name: `${family.nameWithHash} fallback: ${font}`
+  }));
+  fallbacks = [...localFontsMappings.map((m) => m.name), ...fallbacks];
+  let css = "";
+  for (const { font, name } of localFontsMappings) {
+    for (const collected of collectedFonts) {
+      css += fontMetricsResolver.generateFontFace({
+        metrics: await fontMetricsResolver.getMetrics(family.name, collected),
+        fallbackMetrics: systemFallbacksProvider.getMetricsForLocalFont(font),
+        font,
+        name,
+        properties: unifontFontFaceDataToProperties(collected.data)
+      });
+    }
+  }
+  return { css, fallbacks };
+}
+export {
+  optimizeFallbacks
+};