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Add support for check if mime type is valid #20

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16 changes: 16 additions & 0 deletions src/MimeTypes/MimeTypeFunctions.ttinclude
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Original file line number Diff line number Diff line change
Expand Up @@ -108,6 +108,22 @@ namespace $rootnamespace$
.Select(keyPair => keyPair.Key);
}

/// <summary>
/// Attempts to validate MIME-type.
/// </summary>
/// <param name="mimeType">The name of the MIME-type</param>
/// <returns><c>true</c> if a MIME-type was found, <c>false</c> otherwise</returns>
public static bool IsValidMimeType(string mimeType)
{
if (mimeType is null)
{
throw new ArgumentNullException(nameof(mimeType));
}

return s_typeMap
.Any(keyPair => string.Equals(keyPair.Value, mimeType, StringComparison.OrdinalIgnoreCase));
}

/// <summary>
/// Tries to get the MIME-type for the given file name.
/// </summary>
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