fix(preset-web-fonts): handle errors during web fonts preflight fetch (#4912)

RainbowBird · autofix-ci[bot] · web-flow · commit c40987ad9f5e · 2025-09-08T02:27:20.000Z
Co-authored-by: autofix-ci[bot] &lt;114827586+autofix-ci[bot]@users.noreply.github.com&gt;
diff --git a/packages-presets/preset-web-fonts/src/preset.ts b/packages-presets/preset-web-fonts/src/preset.ts
@@ -129,7 +129,12 @@ export function createWebFontPreset(fetcher: (url: string) => Promise<any>) {
             preflights.push(await importUrl(url))
         }
 
-        preflights.push(await provider.getPreflight?.(fontsForProvider, fetchWithTimeout))
+        try {
+          preflights.push(await provider.getPreflight?.(fontsForProvider, fetchWithTimeout))
+        }
+        catch (e) {
+          console.warn(`[unocss] Web fonts preflight fetch failed.`, e)
+        }
       }
 
       const css = preflights.filter(Boolean).join('\n')

Original file line number	Diff line number	Diff line change
`@@ -129,7 +129,12 @@ export function createWebFontPreset(fetcher: (url: string) => Promise<any>) {`
`129`	`129`	`preflights.push(await importUrl(url))`
`130`	`130`	`}`
`131`	`131`
`132`		`- preflights.push(await provider.getPreflight?.(fontsForProvider, fetchWithTimeout))`
	`132`	`+ try {`
	`133`	`+ preflights.push(await provider.getPreflight?.(fontsForProvider, fetchWithTimeout))`
	`134`	`+ }`
	`135`	`+ catch (e) {`
	`136`	+ console.warn(`[unocss] Web fonts preflight fetch failed.`, e)
	`137`	`+ }`
`133`	`138`	`}`
`134`	`139`
`135`	`140`	`const css = preflights.filter(Boolean).join('\n')`