constraint.ArrayOf

Constraint: ArrayOf

Description

Check each element in an array value is of the correct type

V8n Tag Abbreviation

aof

Fields

Field	Type	Description
Type	string	the type to check for each item
AllowNullElement	bool	whether to allow null items in the array
Constraints	Constraints	is an optional list of constraints that each array element must satisfy
Message	string	the violation message to be used if the constraint fails
Stop	bool	when set to true, Stop prevents further validation checks on the property if this constraint fails

Examples

Programmatic example...

package main

import (
    "fmt"
    "github.com/marrow16/valix"
)

func main() {
    validator := &valix.Validator{
        Properties: valix.Properties{
            "foo": {
                Type: valix.JsonArray,
                Constraints: valix.Constraints{
                    &valix.ArrayOf{
                        Type: "integer",
                    },
                },
            },
        },
    }
    obj := `{
        "foo": [1.1, 1, 2]
    }`

    ok, violations, _ := validator.ValidateString(obj)
    fmt.Printf("Passed? %v\n", ok)
    for i, v := range violations {
        fmt.Printf("Violation[%d] Message: %s, Property: %s, Path: %s", i+1, v.Message, v.Property, v.Path)
    }
}

try on go-playground

Struct v8n tag example...

package main

import (
    "fmt"
    "github.com/marrow16/valix"
)

type MyStruct struct {
    Foo []string `json:"foo" v8n:"&aof{Type:'integer'}"`
}

var validator = valix.MustCompileValidatorFor(MyStruct{}, nil)

func main() {
    obj := `{"foo": [1.1, 1, 2]}`

    ok, violations, _ := validator.ValidateString(obj)
    fmt.Printf("Passed? %v\n", ok)
    for i, v := range violations {
        fmt.Printf("Violation[%d] Message: %s, Property: %s, Path: %s", i+1, v.Message, v.Property, v.Path)
    }
}

try on go-playground