Extract functions

client/src/utils/schemaUtils.ts

@@ -0,0 +1,72 @@
+import { JsonValue, JsonSchemaType } from "../components/DynamicJsonForm";
+import { JsonObject } from "./jsonPathUtils";
+
+/**
+ * Generates a default value based on a JSON schema type
+ * @param schema The JSON schema definition
+ * @returns A default value matching the schema type
+ */
+export function generateDefaultValue(schema: JsonSchemaType): JsonValue {
+  switch (schema.type) {
+    case "string":
+      return "";
+    case "number":
+    case "integer":
+      return 0;
+    case "boolean":
+      return false;
+    case "array":
+      return [];
+    case "object": {
+      const obj: JsonObject = {};
+      if (schema.properties) {
+        Object.entries(schema.properties).forEach(([key, prop]) => {
+          obj[key] = generateDefaultValue(prop);
+        });
+      }
+      return obj;
+    }
+    default:
+      return null;
+  }
+}
+
+/**
+ * Formats a field key into a human-readable label
+ * @param key The field key to format
+ * @returns A formatted label string
+ */
+export function formatFieldLabel(key: string): string {
+  return key
+    .replace(/([A-Z])/g, " $1") // Insert space before capital letters
+    .replace(/_/g, " ") // Replace underscores with spaces
+    .replace(/^\w/, (c) => c.toUpperCase()); // Capitalize first letter
+}
+
+/**
+ * Validates if a value conforms to a JSON schema
+ * @param value The value to validate
+ * @param schema The JSON schema to validate against
+ * @returns True if valid, false otherwise
+ */
+export function validateValueAgainstSchema(
+  value: JsonValue, 
+  schema: JsonSchemaType
+): boolean {
+  // Basic type validation
+  switch (schema.type) {
+    case "string":
+      return typeof value === "string";
+    case "number":
+    case "integer":
+      return typeof value === "number";
+    case "boolean":
+      return typeof value === "boolean";
+    case "array":
+      return Array.isArray(value);
+    case "object":
+      return typeof value === "object" && value !== null && !Array.isArray(value);
+    default:
+      return true;
+  }
+}