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ex_json_schema

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A JSON Schema validator with full support for the draft 4 specification and zero dependencies.

Retired package: Release invalid - The version contains debug code that was accidentally pushed
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ex_json_schema lib ex_json_schema validator dependencies.ex
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lib/ex_json_schema/validator/dependencies.ex 

defmodule ExJsonSchema.Validator.Dependencies do

  alias ExJsonSchema.Schema

  alias ExJsonSchema.Schema.Root

  alias ExJsonSchema.Validator

  alias ExJsonSchema.Validator.Error



  @spec validate(Root.t(), Schema.resolved(), ExJsonSchema.data()) ::

          Validator.errors() | no_return

  def validate(root, dependencies, data) when is_map(data) do

    dependencies

    |> Enum.filter(&Map.has_key?(data, elem(&1, 0)))

    |> Enum.flat_map(fn {property, dependency} ->

      validate_dependency(root, property, dependency, data)

    end)

  end



  def validate(_, _, _), do: []



  defp validate_dependency(root, _, schema, data) when is_map(schema) do

    Validator.validation_errors(root, schema, data, "")

  end



  defp validate_dependency(_, property, dependencies, data) do

    case Enum.filter(List.wrap(dependencies), &(!Map.has_key?(data, &1))) do

      [] ->

        []



      missing ->

        [%Error{error: %Error.Dependencies{property: property, missing: missing}, path: ""}]

    end

  end

end