json schema

utils/json.ts

@@ -18,4 +18,14 @@ export const extractJSON = (str?: string) => {
         } while (firstClose > firstOpen);
         firstOpen = str.indexOf('{', firstOpen + 1);
     } while (firstOpen != -1);
+}
+
+export const parseJSON = (str?: string | null): any | undefined => {
+    if (!str) return undefined
+    try {
+        const parsed = JSON.parse(str);
+        return typeof parsed === "object" ? parsed : undefined;
+    } catch (error) {
+        return undefined;
+    }
 }

utils/schema.ts

@@ -0,0 +1,39 @@
+export const extractSchemaProps = <O extends object>(obj: O) => 
+    Object.entries(obj).reduce((prev, [key, val]) => {
+        const typeOf = <T>(arg: T) =>
+            arg instanceof Array
+                ? "array"
+                : arg === null
+                    ? "undefined"
+                    : typeof arg;
+
+        const value = (typeOf(val) === "object" && '$type' in val && '$value' in val) ? val?.$value : val;
+        const type = typeOf(value);
+
+        let schema: any = {
+            title: key,
+            type,
+            default: value,
+        }
+
+        if (typeOf(value) === 'array') {
+            const item = value[0] // TODO merge other item schema's into one
+            if (typeOf(item) !== 'object') {
+                schema.items = {
+                    type: 'object',
+                    properties: extractSchemaProps(item),
+                    default: item
+                }
+            }
+            // TODO support primitive-value arrays
+        }
+
+        if (typeOf(value) === "object") {
+            schema.properties = extractSchemaProps(value)
+        }
+        return {
+            ...prev,
+            [key]: schema,
+        };
+    }, {} as any);
+