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Refactor DetectMimeType to use ReadOnlySpan<char>

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This commit is contained in:
Thorsten Sommer 2025-12-16 20:42:10 +01:00
parent cb793e814e
commit 81dd7cfe57
Signed by: tsommer
GPG Key ID: 371BBA77A02C0108
1 changed files with 2 additions and 2 deletions
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4
app/MindWork AI Studio/Tools/ImageHelpers.cs
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@ -10,9 +10,9 @@ public static class ImageHelpers
/// </summary> /// </summary>
/// <param name="base64ImageString">The Base64-encoded image string.</param> /// <param name="base64ImageString">The Base64-encoded image string.</param>
/// <returns>The detected MIME type (e.g., "image/png", "image/jpeg").</returns> /// <returns>The detected MIME type (e.g., "image/png", "image/jpeg").</returns>
public static string DetectMimeType(string base64ImageString) public static string DetectMimeType(ReadOnlySpan<char> base64ImageString)
{ {
if (string.IsNullOrEmpty(base64ImageString) || base64ImageString.Length < 10) if (base64ImageString.IsWhiteSpace() || base64ImageString.Length < 10)
return "image"; // Fallback return "image"; // Fallback
var header = base64ImageString[..Math.Min(20, base64ImageString.Length)]; var header = base64ImageString[..Math.Min(20, base64ImageString.Length)];