Merge pull request #2 from a10y/aduffy/validate-const

Add support for const validation

Author: philipjusher

src/openApi/v3/interfaces/OpenApiSchema.d.ts

@@ -25,6 +25,7 @@ export interface OpenApiSchema extends OpenApiReference, WithEnumExtension {
     minProperties?: number;
     required?: string[];
     enum?: (string | number)[];
+    const?: any;
     type?: string | string[];
     allOf?: OpenApiSchema[];
     oneOf?: OpenApiSchema[];

src/openApi/v3/parser/getModel.ts

@@ -59,6 +59,12 @@ export const getModel = (
         return model;
     }
 
+    // Rewrite const to be single-value enums for the sake of processing
+    if (definition.const) {
+        definition.enum = [definition.const];
+        definition.const = undefined;
+    }
+
     if (definition.enum && definition.type !== 'boolean') {
         const enumerators = getEnum(definition.enum);
         const extendedEnumerators = extendEnum(enumerators, definition);