tv4-coerce-demo.js

var tv4coerce = require('tv4-coerce');

tv4coerce.addFix(tv4coerce.errorCodes.INVALID_TYPE, function (data, expectedType) {
	if (typeof data === 'string' && expectedType === 'array') {
		return data.split(',');
	}
});

var data = "1,2,3";
var schema = {"type": "array", "items": {"type": "number"}};
var result = tv4coerce.coerce(data, schema);
// result.valid: true
// result.data: [1, 2, 3]