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Expose error descriptions #39

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Merged
merged 1 commit into from
Nov 24, 2025
Merged

Expose error descriptions #39

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13 changes: 12 additions & 1 deletion Sources/Jinja/Error.swift
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Original file line number Diff line number Diff line change
@@ -1,5 +1,7 @@
import Foundation

/// Errors that can occur during Jinja template processing.
public enum JinjaError: Error, Sendable {
public enum JinjaError: Error, Sendable, LocalizedError {
/// Error during tokenization of template source.
case lexer(String)
/// Error during parsing of tokens into AST.
Expand All @@ -8,4 +10,13 @@ public enum JinjaError: Error, Sendable {
case runtime(String)
/// Error due to invalid template syntax.
case syntax(String)

public var errorDescription: String? {
switch self {
case .lexer(let message): return "Lexer error: \(message)"
case .parser(let message): return "Parser error: \(message)"
case .runtime(let message): return "Runtime error: \(message)"
case .syntax(let message): return "Syntax error: \(message)"
}
}
}