Specs

all_of(type, [schema]) :: {type, [{:all_of, [schema]}]}
when type: Xema.Schema.type(),
     schema: Xema.Schema.t() | Xema.Schema.type() | tuple() | atom() | keyword()

Returns a tuple with the given type (default :any) and the given schemas tagged by the keyword :all_of. This function provides a shortcut for something like integer(all_of: [...]) or any(all_of: [...]).

Examples

iex> Xema.Builder.all_of([:integer, :string])
{:any, all_of: [:integer, :string] }

iex> Xema.Builder.all_of(:integer, [[minimum: 10], [maximum: 5]])
{:integer, all_of: [[minimum: 10], [maximum: 5]]}

defmodule MySchema do
  use Xema

  xema do
    all_of [
      list(items: integer(minimum: 1, maximum: 66)),
      list(items: integer(minimum: 33, maximum: 100))
    ]
  end
end

MySchema.valid?([20, 30]) #=> false
MySchema.valid?([40, 50]) #=> true
MySchema.valid?([60, 70]) #=> false
MySchema.valid?([10, 90]) #=> false

Specs

any() :: :any

Returns :any.

Specs

any(keyword()) :: {:any, keyword()}

Returns a tuple of :any and the given keyword list.

Examples

iex> Xema.Builder.any(key: 42)
{:any, key: 42}

Specs

any_of(type, [schema]) :: {type, [{:any_of, [schema]}]}
when type: Xema.Schema.type(),
     schema: Xema.Schema.t() | Xema.Schema.type() | tuple() | atom() | keyword()

Returns a tuple with the given type (default :any) and the given schemas tagged by the keyword :any_of. This function provides a shortcut for something like integer(any_of: [...]) or any(any_of: [...]).

Examples

iex> Xema.Builder.any_of([:integer, :string])
{:any, any_of: [:integer, :string] }

iex> Xema.Builder.any_of(:integer, [[minimum: 10], [maximum: 5]])
{:integer, any_of: [[minimum: 10], [maximum: 5]]}

defmodule MySchema do
  use Xema

  xema do
    any_of [
      list(items: integer(minimum: 1, maximum: 66)),
      list(items: integer(minimum: 33, maximum: 100))
    ]
  end
end

MySchema.valid?([20, 30]) #=> true
MySchema.valid?([40, 50]) #=> true
MySchema.valid?([60, 70]) #=> true
MySchema.valid?([10, 90]) #=> false

Specs

atom() :: :atom

Returns :atom.

Specs

atom(keyword()) :: {:atom, keyword()}

Returns a tuple of :atom and the given keyword list.

Examples

iex> Xema.Builder.atom(key: 42)
{:atom, key: 42}

Specs

boolean() :: :boolean

Returns :boolean.

Specs

boolean(keyword()) :: {:boolean, keyword()}

Returns a tuple of :boolean and the given keyword list.

Examples

iex> Xema.Builder.boolean(key: 42)
{:boolean, key: 42}

Specs

field(atom(), Xema.Schema.type() | module(), keyword()) ::
  {:xema, Xema.t()} | {:module, module()} | {:type, atom()}

Specifies a field. This function will be used inside xema/0.

Arguments:

• name: the name of the field.
• type: the type of the field. The type can also be a struct or another schema.
• opts: the rules for the field.

Examples

iex> defmodule User do
...>   use Xema
...>
...>   xema do
...>     field :name, :string, min_length: 1
...>   end
...> end
...>
iex> %{"name" => "Tim"} |> User.cast!() |> Map.from_struct()
%{name: "Tim"}

For more examples see "Examples: Struct".

Specs

float() :: :float

Returns :float.

Specs

float(keyword()) :: {:float, keyword()}

Returns a tuple of :float and the given keyword list.

Examples

iex> Xema.Builder.float(key: 42)
{:float, key: 42}

Specs

integer() :: :integer

Returns :integer.

Specs

integer(keyword()) :: {:integer, keyword()}

Returns a tuple of :integer and the given keyword list.

Examples

iex> Xema.Builder.integer(key: 42)
{:integer, key: 42}

Specs

keyword() :: :keyword

Returns :keyword.

Specs

keyword(keyword()) :: {:keyword, keyword()}

Returns a tuple of :keyword and the given keyword list.

Examples

iex> Xema.Builder.keyword(key: 42)
{:keyword, key: 42}

Specs

list() :: :list

Returns :list.

Specs

list(keyword()) :: {:list, keyword()}

Returns a tuple of :list and the given keyword list.

Examples

iex> Xema.Builder.list(key: 42)
{:list, key: 42}

Specs

map() :: :map

Returns :map.

Specs

map(keyword()) :: {:map, keyword()}

Returns a tuple of :map and the given keyword list.

Examples

iex> Xema.Builder.map(key: 42)
{:map, key: 42}

Specs

number() :: :number

Returns :number.

Specs

number(keyword()) :: {:number, keyword()}

Returns a tuple of :number and the given keyword list.

Examples

iex> Xema.Builder.number(key: 42)
{:number, key: 42}

Specs

one_of(type, [schema]) :: {type, [{:one_of, [schema]}]}
when type: Xema.Schema.type(),
     schema: Xema.Schema.t() | Xema.Schema.type() | tuple() | atom() | keyword()

Returns a tuple with the given type (default :any) and the given schemas tagged by the keyword :one_of. This function provides a shortcut for something like integer(one_of: [...]) or any(one_of: [...]).

Examples

iex> Xema.Builder.one_of([:integer, :string])
{:any, one_of: [:integer, :string] }

iex> Xema.Builder.one_of(:integer, [[minimum: 10], [maximum: 5]])
{:integer, one_of: [[minimum: 10], [maximum: 5]]}

defmodule MySchema do
  use Xema

  xema do
    one_of [
      list(items: integer(minimum: 1, maximum: 66)),
      list(items: integer(minimum: 33, maximum: 100))
    ]
  end
end

MySchema.valid?([20, 30]) #=> true
MySchema.valid?([40, 50]) #=> false
MySchema.valid?([60, 70]) #=> true
MySchema.valid?([10, 90]) #=> false

Returns the tuple {:ref, ref}.

Specs

required([atom()]) :: term()

Sets the list of required fields. Specifies a field. This function will be used inside xema/0.

Examples

iex> defmodule Person do
...>   use Xema
...>
...>   xema do
...>     field :name, :string, min_length: 1
...>     required [:name]
...>   end
...> end
...>
iex> %{"name" => "Tim"} |> Person.cast!() |> Map.from_struct()
%{name: "Tim"}

Specs

string() :: :string

Returns :string.

Specs

string(keyword()) :: {:string, keyword()}

Returns a tuple of :string and the given keyword list.

Examples

iex> Xema.Builder.string(key: 42)
{:string, key: 42}

Specs

strux() :: :struct

Returns :struct.

Specs

strux(keyword()) :: {:struct, keyword()}

strux(atom()) :: {:struct, [{:module, module()}]}

Returns a tuple of :struct and the given keyword list when the function gets a keyword list.

Returns the tuple {:struct, module: module} when the function gets an atom.

Specs

tuple() :: :tuple

Returns :tuple.

Specs

tuple(keyword()) :: {:tuple, keyword()}

Returns a tuple of :tuple and the given keyword list.

Examples

iex> Xema.Builder.tuple(key: 42)
{:tuple, key: 42}

Creates a schema.

Creates a schema with the given name.