in src/validators/core/typeValidator.ts [96:108]
public validate(input: any, path?: string, field?: string): IValidationError[] {
if (input == null) {
return null;
}
if (this.possibleValues.indexOf(input) < 0) {
return [{
message: field + " property is invalid",
path: (path ? path + "." : "") + field,
keyword: "invalid"
}];
}
return null;
}