full site update

node_modules/astro/dist/assets/fonts/implementations/font-metrics-resolver.js

@@ -0,0 +1,60 @@
+import { fromBuffer } from "@capsizecss/unpack";
+import { renderFontSrc } from "../utils.js";
+function filterRequiredMetrics({
+  ascent,
+  descent,
+  lineGap,
+  unitsPerEm,
+  xWidthAvg
+}) {
+  return {
+    ascent,
+    descent,
+    lineGap,
+    unitsPerEm,
+    xWidthAvg
+  };
+}
+function toPercentage(value, fractionDigits = 4) {
+  const percentage = value * 100;
+  return `${+percentage.toFixed(fractionDigits)}%`;
+}
+function createCapsizeFontMetricsResolver({
+  fontFetcher,
+  cssRenderer
+}) {
+  const cache = {};
+  return {
+    async getMetrics(name, input) {
+      cache[name] ??= filterRequiredMetrics(await fromBuffer(await fontFetcher.fetch(input)));
+      return cache[name];
+    },
+    // Source: https://github.com/unjs/fontaine/blob/f00f84032c5d5da72c8798eae4cd68d3ddfbf340/src/css.ts#L170
+    generateFontFace({
+      metrics,
+      fallbackMetrics,
+      name: fallbackName,
+      font: fallbackFontName,
+      properties
+    }) {
+      const preferredFontXAvgRatio = metrics.xWidthAvg / metrics.unitsPerEm;
+      const fallbackFontXAvgRatio = fallbackMetrics.xWidthAvg / fallbackMetrics.unitsPerEm;
+      const sizeAdjust = preferredFontXAvgRatio / fallbackFontXAvgRatio;
+      const adjustedEmSquare = metrics.unitsPerEm * sizeAdjust;
+      const ascentOverride = metrics.ascent / adjustedEmSquare;
+      const descentOverride = Math.abs(metrics.descent) / adjustedEmSquare;
+      const lineGapOverride = metrics.lineGap / adjustedEmSquare;
+      return cssRenderer.generateFontFace(fallbackName, {
+        ...properties,
+        src: renderFontSrc([{ name: fallbackFontName }]),
+        "size-adjust": toPercentage(sizeAdjust),
+        "ascent-override": toPercentage(ascentOverride),
+        "descent-override": toPercentage(descentOverride),
+        "line-gap-override": toPercentage(lineGapOverride)
+      });
+    }
+  };
+}
+export {
+  createCapsizeFontMetricsResolver
+};