v2.3.0

• New Feature

  • Add support for lazy messages in asserts, fix #124

  • Better error messages for assert failures, fix #120

    The messages now have the following general form:

    Invalid value <value> supplied to <context>
    

    where context is a slash-separated string with the following properties:

    • the first element is the name of the "root"
    • the following elements have the form: <field name>: <field type>

    Note: for more readable messages remember to give types a name

    Example:

    var Person = t.struct({
      name: t.String
    }, 'Person'); // <- remember to give types a name
    
    var User = t.struct({
      email: t.String,
      profile: Person
    }, 'User');
    
    var mynumber = t.Number('a');
    // => Invalid value "a" supplied to Number
    
    var myuser = User({ email: 1 });
    // => Invalid value 1 supplied to User/email: String
    
    myuser = User({ email: 'email', profile: { name: 2 } });
    // => Invalid value 2 supplied to User/profile: Person/name: String