refactor: update validation logic in InputProvider and enhance negated checks

Author: caperaven

src/schema/providers/input.js

@@ -32,8 +32,8 @@ export class InputProvider extends BaseProvider {
      */
     static validate(schemaItem, path) {
         return ValidationResult.from([
-            { condition: is.empty(schemaItem.field), message: "Field is required" },
-            { condition: is.empty(schemaItem.type), message: "Type is required" },
+            { condition: is.not.empty(schemaItem.field), message: "Field is required" },
+            { condition: is.not.empty(schemaItem.title), message: "Type is required" },
         ], "InputProvider", path);
     }
 

src/system/assert.js

@@ -4,4 +4,6 @@ export function assert(condition, message, context = "", data = null) {
         return false;
     }
     return true;
-}
+}
+
+globalThis.assert = assert;

src/validate/conditions.js

@@ -58,7 +58,7 @@ const is = {
 
 // Negated checks
 is.not.equal = (val, other) => !is.equal(val, other);
-is.not.empty = (val) => !is.empty(val);
+is.not.empty = (val) => val != null && !is.empty(val);
 is.not.between = (val, min, max) => !is.between(val, min, max);
 
 globalThis.is = is;

tests/src/schema/schema-manager.test.js

@@ -1,8 +1,9 @@
 import { assertEquals, assert } from "jsr:@std/assert";
 import { SchemaManager } from "./../../../src/schema/schema-manager.js";
 import { ValidationResult } from "./../../../src/schema/validation-result.js";
-
 import { InputProvider } from "../../../src/schema/providers/input.js";
+import "../../../src/validate/conditions.js";
+import "../../../src/system/assert.js";
 
 Deno.test("SchemaManager.parse should generate HTML code from schema", async () => {
     const schemaManager = new SchemaManager();