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logger_json
6.0.0-rc.3
7.0.4
7.0.3
7.0.2
7.0.1
7.0.0
6.2.1
6.2.0
6.0.3
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6.0.1
6.0.0
6.0.0-rc.4
6.0.0-rc.3
6.0.0-rc.2
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6.0.0-rc.0
5.1.4
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1.2.0
1.1.0
1.0.1
1.0.0
0.5.0
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0.3.0
0.2.0
0.1.0
This package includes a set of :logger formatters designed to output logs in JSON format. It is compatible with a variety of log management systems that support JSON, including Google Cloud Logging and Error Reporting, Datadog, ElasticSearch, LogStash, FileBeat, and Kibana.
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lib/logger_json/formatter/map_builder.ex
defmodule LoggerJSON.Formatter.MapBuilder do
@moduledoc false
@doc """
Optionally put a value to a map.
"""
def maybe_put(map, _key, nil), do: map
def maybe_put(map, key, value), do: Map.put(map, key, value)
@doc """
Optionally merge two maps.
"""
def maybe_merge(map, nil), do: map
def maybe_merge(left_map, right_map), do: Map.merge(right_map, left_map)
@doc """
Update a map key using a callback function. Noop if the key does not exist.
"""
def maybe_update(map, key, cb) do
if Map.has_key?(map, key) do
Map.update!(map, key, cb)
else
map
end
end
end