chore: remove ts-ignore

Author: Sascha Goldhofer

lib/draft06/compile/index.ts

@@ -37,7 +37,7 @@ export default function compileSchema(
     rootSchema = schemaToCompile,
     force = false
 ): JsonSchema {
-    // @ts-ignore
+    // @ts-expect-error incomplete JsonSchema type
     if (schemaToCompile === true || schemaToCompile === false || schemaToCompile === undefined) {
         return schemaToCompile;
     }

lib/utils/isEmpty.ts

@@ -5,8 +5,8 @@ export function isEmpty(v: unknown): boolean {
     switch (type) {
         case "string":
         case "array":
-            // @ts-ignore
-            return v.length === 0;
+            // @ts-expect-error tested as array - could use ts type guard
+            return v?.length === 0;
         case "null":
         case "undefined":
             return true;