yuanbiao
/
emqx
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feat(emqx_map_lib): add a binary_key_map help function

This commit is contained in:
Zaiming (Stone) Shi 2022-11-23 15:54:13 +01:00
parent dd82899118
commit 6f67e3b333
1 changed files with 12 additions and 0 deletions
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12
apps/emqx/src/emqx_map_lib.erl
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@ -23,6 +23,7 @@
deep_force_put/3,
deep_remove/2,
deep_merge/2,
binary_key_map/1,
safe_atom_key_map/1,
unsafe_atom_key_map/1,
jsonable_map/1,
@ -153,6 +154,17 @@ deep_convert(Val, _, _Args) ->
unsafe_atom_key_map(Map) ->
covert_keys_to_atom(Map, fun(K) -> binary_to_atom(K, utf8) end).
-spec binary_key_map(map()) -> map().
binary_key_map(Map) ->
deep_convert(
Map,
fun
(K, V) when is_atom(K) -> {atom_to_binary(K, utf8), V};
(K, V) when is_binary(K) -> {K, V}
end,
[]
).
-spec safe_atom_key_map(#{binary() | atom() => any()}) -> #{atom() => any()}.
safe_atom_key_map(Map) ->
covert_keys_to_atom(Map, fun(K) -> binary_to_existing_atom(K, utf8) end).