JsonJanitor

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JsonJanitor sanitizes elixir terms so that they can be serialized to JSON.

It makes some opinionated decisions to keep as much structure as possible while guaranteeing that the resulting structure can be serialized to JSON.

Documentation is located at https://hexdocs.pm/json_janitor

Installation

JsonJanitor can be installed by adding json_janitor to your list of dependencies in mix.exs:

def deps do
  [
    {:json_janitor, "~> 1.0.0"}
  ]
end

Examples

iex(1)> Jason.encode!({:ok, [option: <<128>>]})
** (Protocol.UndefinedError) protocol Jason.Encoder not implemented for {:ok,
[option: <<128>>]}, Jason.Encoder protocol must always be explicitly
implemented. This protocol is implemented for: Any, Atom, BitString, Date,
DateTime, Decimal, Float, Integer, Jason.Fragment, List, Map, NaiveDateTime,
Time (jason) lib/jason.ex:150: Jason.encode!/2

iex(2)> sanitized = JsonJanitor.sanitize({:ok, [option: <<128>>]})
[":ok", %{option: "<<128>>"}]

iex(3)> Jason.encode!(sanitized)
"[\":ok\",{\"option\":\"<<128>>\"}]"

For more examples see https://hexdocs.pm/json_janitor/JsonJanitor.html#sanitize/1-examples