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Convert findFaviconURLs to async await.

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This commit is contained in:
Brent Simmons 2024-04-10 20:49:55 -07:00
parent bf4b751c76
commit 019c499b80
1 changed files with 8 additions and 13 deletions
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21
Shared/Favicons/FaviconURLFinder.swift
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@ -21,26 +21,21 @@ struct FaviconURLFinder {
/// Finds favicon URLs in a web page.
/// - Parameters:
/// - homePageURL: The page to search.
/// - completion: A closure called when the links have been found.
/// - urls: An array of favicon URLs as strings.
@MainActor static func findFaviconURLs(with homePageURL: String, _ completion: @escaping (_ urls: [String]?) -> Void) {
@MainActor static func findFaviconURLs(with homePageURL: String) async -> [String]? {
guard let _ = URL(unicodeString: homePageURL) else {
completion(nil)
return
return nil
}
Task { @MainActor in
// If the favicon has an explicit type, check that for an ignored type; otherwise, check the file extension.
let htmlMetadata = try? await HTMLMetadataDownloader.downloadMetadata(for: homePageURL)
// If the favicon has an explicit type, check that for an ignored type; otherwise, check the file extension.
let htmlMetadata = try? await HTMLMetadataDownloader.downloadMetadata(for: homePageURL)
let faviconURLs = htmlMetadata?.favicons.compactMap { favicon -> String? in
shouldAllowFavicon(favicon) ? favicon.urlString : nil
}
completion(faviconURLs)
let faviconURLs = htmlMetadata?.favicons.compactMap { favicon -> String? in
shouldAllowFavicon(favicon) ? favicon.urlString : nil
}
return faviconURLs
}
static func shouldAllowFavicon(_ favicon: RSHTMLMetadataFavicon) -> Bool {