valid-type
Type checking, regex testing and property exist for Javascript.
Usage
var schema = [
{ property: "id", type: Number },
{ property: "date", type: String, regex: /^\d{4}-\d{2}-\d{2}$/ },
{ property: "text", type: String }
];
if(validator(schema, objectToTest)) {
console.log("validation ok");
} else {
console.log("validation failed");
}
See test.js in package for more information