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Bitovi

can-validate-interface

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can-validate-interface provides simple property existence validation. Use to prevent errors resulting from missing properties on input objects.

makeInterfaceValidator(propertyArrays)

Get a function that validates a given object for the provided properties:

var makeInterfaceValidator = require("can-validate-interface");
var dataMethods = ["create","read","update","delete"];
var daoValidator = makeInterfaceValidator([dataMethods, "id"]);

var dao = {
    create: function() {},
    read: function() {},
    update: function() {},
    delete: function() {}
};

var errors = daoValidator(dao);
// errors == {message:"missing expected properties", related: ["id"]}

dao.id = 10;

errors = daoValidator(dao);
// errors == undefined

Parameters

  1. propertyArrays {Array<String,Array<String>>}:

    Property names and arrays of property names to validate existence of

Returns

{function(Object)}:

Function that validates an object for properties in propertyArrays and returns an error record or undefined if no properties are missing.

CanJS is part of DoneJS. Created and maintained by the core DoneJS team and Bitovi. Currently 3.14.1.

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