Generate a type alias for the terminal names

eclipse-langium · Jul 24, 2024 · 573f0b9 · 573f0b9
1 parent c6e0513
commit 573f0b9
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/packages/langium-cli/src/generator/ast-generator.ts b/packages/langium-cli/src/generator/ast-generator.ts
@@ -240,6 +240,7 @@ function generateTerminalConstants(grammars: Grammar[], config: LangiumConfig):
         export const ${config.projectName}Terminals = {
             ${joinToNode(Object.entries(collection), ([name, regexp]) => `${name}: ${regexp.toString()},`, { appendNewLineIfNotEmpty: true })}
         };
+
+        export type ${config.projectName}TerminalNames = keyof typeof ${config.projectName}Terminals;
     `.appendNewLine();
 }
-