feat: support @required tag infer

src/schema.ts

@@ -67,11 +67,19 @@ async function _resolveSchema(
     }
     schema.properties = schema.properties || {};
     if (!schema.properties[key]) {
-      schema.properties[key] = await _resolveSchema(
+      const child = (schema.properties[key] = await _resolveSchema(
         node[key],
         joinPath(id, key),
         ctx
-      );
+      ));
+
+      // Infer @required
+      if (Array.isArray(child.tags) && child.tags.includes("@required")) {
+        schema.required = schema.required || [];
+        if (!schema.required.includes(key)) {
+          schema.required.push(key);
+        }
+      }
     }
   }
 

test/schema.test.ts

@@ -177,4 +177,17 @@ describe("resolveSchema", () => {
       },
     });
   });
+
+  it("Handle @required tag", async () => {
+    const schema = await resolveSchema({
+      some: {
+        prop: {
+          $schema: {
+            tags: ["@required"],
+          },
+        },
+      },
+    });
+    expect((schema as any).properties.some.required).toMatchObject(["prop"]);
+  });
 });