JSONPatch is an Elixir implementation of the JSON Patch format, described in RFC 6902.
iex> JSONPatch.patch(%{"a" => 1}, [
...> %{"op" => "add", "path" => "/b", "value" => %{"c" => true}},
...> %{"op" => "test", "path" => "/a", "value" => 1},
...> %{"op" => "move", "from" => "/b/c", "path" => "/c"}
...> ])
{:ok, %{"a" => 1, "b" => %{}, "c" => true}}
iex> JSONPatch.patch(%{"a" => 22}, [
...> %{"op" => "add", "path" => "/b", "value" => %{"c" => true}},
...> %{"op" => "test", "path" => "/a", "value" => 1},
...> %{"op" => "move", "from" => "/b/c", "path" => "/c"}
...> ])
{:error, :test_failed, ~s|test failed (patches[1], %{"op" => "test", "path" => "/a", "value" => 1})|}
# mix.exs
def deps do
[
{:json_patch, "~> 0.8.0"}
]
end
JSONPatch can be run against the freely available JSON Patch test suite.
Run mix download-tests to install these tests.
JSONPatch is copyright 2018, Pete Gamache.
JSONPatch is released under the MIT License, available at LICENSE.txt.