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tz_extra
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Time zone-related utilities
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lib/json_dumper.ex
defmodule TzExtra.JsonDumper do
@moduledoc false
def dump_countries(filename \\ "countries.json") do
json =
TzExtra.countries()
|> Enum.map(&camelize_map_keys(&1))
|> Jason.encode!()
file_path = Path.join(:code.priv_dir(:tz_extra), filename)
File.write!(file_path, json, [:write])
end
def dump_countries_time_zones(options \\ [], filename \\ "countries_time_zones.json") do
json =
TzExtra.countries_time_zones(options)
|> Enum.map(&camelize_map_keys(&1))
|> Jason.encode!()
file_path = Path.join(:code.priv_dir(:tz_extra), filename)
File.write!(file_path, json, [:write])
end
defp camelize_map_keys(map) do
for {key, val} <- map, into: %{}, do: {camelize(to_string(key)), val}
end
defp camelize(string) do
String.split(string, "_")
|> Enum.map(&String.capitalize(&1))
|> Enum.join()
|> uncapitalize()
end
defp uncapitalize(string) do
{first, rest} = String.split_at(string, 1)
String.downcase(first) <> rest
end
end