Update.

test/wdantic/schema.wren

@@ -0,0 +1,36 @@
+// retoor <retoor@molodetz.nl>
+
+import "wdantic" for Schema, Field, ValidationResult
+
+var userSchema = Schema.new({
+  "name": Field.string({"minLength": 1}),
+  "age": Field.integer({"min": 0, "max": 150}),
+  "email": Field.email()
+})
+
+var validData = {"name": "John", "age": 30, "email": "john@example.com"}
+var result = userSchema.validate(validData)
+System.print(result.isValid) // expect: true
+System.print(result.data["name"]) // expect: John
+System.print(result.data["age"]) // expect: 30
+
+var invalidData = {"name": "", "age": -5, "email": "invalid"}
+var result2 = userSchema.validate(invalidData)
+System.print(result2.isValid) // expect: false
+System.print(result2.errors.count > 0) // expect: true
+
+var optionalSchema = Schema.new({
+  "name": Field.string(),
+  "nickname": Field.optional(Field.string())
+})
+
+var data3 = {"name": "Alice"}
+var result3 = optionalSchema.validate(data3)
+System.print(result3.isValid) // expect: true
+
+var listSchema = Schema.new({
+  "tags": Field.list(Field.string())
+})
+var data4 = {"tags": ["a", "b", "c"]}
+var result4 = listSchema.validate(data4)
+System.print(result4.isValid) // expect: true

test/wdantic/validators.wren

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+// retoor <retoor@molodetz.nl>
+
+import "wdantic" for Validator
+
+System.print(Validator.email("test@example.com")) // expect: true
+System.print(Validator.email("invalid")) // expect: false
+System.print(Validator.email("test@domain")) // expect: false
+
+System.print(Validator.domain("example.com")) // expect: true
+System.print(Validator.domain("sub.example.com")) // expect: true
+System.print(Validator.domain("-invalid.com")) // expect: false
+
+System.print(Validator.safeStr("Hello World")) // expect: true
+System.print(Validator.safeStr("Line1\nLine2")) // expect: false
+
+System.print(Validator.url("https://example.com")) // expect: true
+System.print(Validator.url("http://localhost:8080/path")) // expect: true
+System.print(Validator.url("ftp://invalid")) // expect: false
+
+System.print(Validator.uuid("550e8400-e29b-41d4-a716-446655440000")) // expect: true
+System.print(Validator.uuid("invalid")) // expect: false
+
+System.print(Validator.minLength("hello", 3)) // expect: true
+System.print(Validator.minLength("hi", 3)) // expect: false
+
+System.print(Validator.maxLength("hi", 5)) // expect: true
+System.print(Validator.maxLength("hello world", 5)) // expect: false
+
+System.print(Validator.range(5, 1, 10)) // expect: true
+System.print(Validator.range(15, 1, 10)) // expect: false
+
+System.print(Validator.positive(5)) // expect: true
+System.print(Validator.positive(-5)) // expect: false
+
+System.print(Validator.integer(5)) // expect: true
+System.print(Validator.integer(5.5)) // expect: false