feat: more fixes

packages/core-validator/src/index.ts

@@ -24,6 +24,10 @@ type NameOf<I extends SchemaMap[keyof SchemaMap]> = keyof IncludeProperty<Schema
 export class Validator {
   private readonly ajv: Ajv.default;
 
+  get errors() {
+    return this.ajv.errors;
+  }
+
   constructor(additionalSchemas: AnySchema[] = []) {
     this.ajv = new Ajv.default({
       schemas: [schema, ...additionalSchemas],
@@ -36,12 +40,21 @@ export class Validator {
     });
   }
 
+  /**
+   * Add additional schemas to the validator
+   */
+  public addSchema(...schema: AnySchema[]) {
+    this.ajv.addSchema(schema);
+  }
+
   /**
    * Validates anything against a given schema name or infers schema name from object
    * @param instance Instance to validate
    * @param schema Name of schema to validate instance against or the schema itself
    */
-  public validate<T>(instance: unknown, schema: NameOf<T>): instance is T {
-    return this.ajv.validate(schema as string, instance);
+  public validate<T extends SchemaMap[keyof SchemaMap]>(instance: unknown, schema: NameOf<T>): instance is T;
+  public validate(instance: unknown, schema: Ajv.Schema): boolean;
+  public validate(instance: unknown, schema: Ajv.Schema | string): boolean {
+    return this.ajv.validate(schema, instance);
   }
 }