fix(astro): invalid font url (#14487)

florian-lefebvre · web-flow · commit 1e5b72c8df70 · 2025-10-03T17:14:24.000+02:00
diff --git a/.changeset/shiny-suns-sip.md b/.changeset/shiny-suns-sip.md
@@ -0,0 +1,5 @@
+---
+'astro': patch
+---
+
+Fixes a case where the URLs generated by the experimental Fonts API would be incorrect in dev
diff --git a/packages/astro/src/assets/fonts/implementations/url-proxy-hash-resolver.ts b/packages/astro/src/assets/fonts/implementations/url-proxy-hash-resolver.ts
@@ -44,5 +44,5 @@ function formatWeight(
 	if (typeof weight === 'number') {
 		return weight.toString();
 	}
-	return weight;
+	return weight?.replace(/\s+/g, '-');
 }
diff --git a/packages/astro/test/units/assets/fonts/implementations.test.js b/packages/astro/test/units/assets/fonts/implementations.test.js
@@ -522,5 +522,14 @@ describe('fonts implementations', () => {
 			}),
 			'foo-100-900-italic-cyrillic-whatever.woff2',
 		);
+		assert.equal(
+			resolver.resolve({
+				cssVariable: '--foo',
+				data: { weight: '200 700', style: 'italic', subset: 'cyrillic' },
+				originalUrl: 'whatever',
+				type: 'woff2',
+			}),
+			'foo-200-700-italic-cyrillic-whatever.woff2',
+		);
 	});
 });

-Original file line number
+Diff line change
@@ @@ -0,0 +1,5 @@ @@
 +---
 +'astro': patch
 +---
++
 +Fixes a case where the URLs generated by the experimental Fonts API would be incorrect in dev