Remove expsensive regex for hex parsing #116
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Warning There were issues while running some tools. Please review the errors and either fix the tool’s configuration or disable the tool if it’s a critical failure. 🔧 SwiftLint (0.57.0)Sources/UBUserInterface/UIColor/UIColor+HEX.swift[ WalkthroughThe pull request modifies the Changes
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Actionable comments posted: 1
🧹 Nitpick comments (1)
Sources/UBUserInterface/UIColor/UIColor+HEX.swift (1)
66-69: Consider adding more specific validation error handling.The new validation logic is clean and efficient. However, consider separating the length and character validation to provide more specific error feedback during debugging.
- guard [3, 4, 6, 8].contains(hexString.count), - hexString.allSatisfy({ $0.isHexDigit }) else { + guard [3, 4, 6, 8].contains(hexString.count) else { + return nil // Invalid hex string length + } + guard hexString.allSatisfy({ $0.isHexDigit }) else { return nil + return nil // Invalid hex characters }
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Sources/UBUserInterface/UIColor/UIColor+HEX.swift(2 hunks)
🔇 Additional comments (3)
Sources/UBUserInterface/UIColor/UIColor+HEX.swift (3)
61-61: LGTM! Improved whitespace handling.Using
.whitespacesAndNewlinesinstead of just.whitespacesmakes the method more robust by handling additional whitespace characters.
63-64: LGTM! Efficient '#' prefix handling.The new implementation using
hasPrefixanddropFirstis more performant than the previous regex-based approach.
72-74: LGTM! Improved hex value parsing.Using
UInt64withScanner.scanHexInt64is more robust and safer against potential overflow compared to the previous implementation.
| self.init(hex6: UInt32(hexValue)) | ||
| case 8: | ||
| self.init(hex8: hexValue) | ||
| self.init(hex8: UInt32(hexValue)) | ||
| default: | ||
| fatalError("Should not be able to get other then 3-4-6-8 hex. Check regex") | ||
| fatalError("Unexpected hex string length. This should not occur.") |
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🛠️ Refactor suggestion
Consider replacing fatalError with nil return.
While the validation ensures this case should never occur, using fatalError in an initializer might be too aggressive. Consider returning nil instead to maintain the failable initializer pattern.
case 8:
self.init(hex8: UInt32(hexValue))
default:
- fatalError("Unexpected hex string length. This should not occur.")
+ return nil // This case is prevented by the guard statement above
}Committable suggestion skipped: line range outside the PR's diff.
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