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Diffstat (limited to 'AesonUtils.hs')
| -rw-r--r-- | AesonUtils.hs | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/AesonUtils.hs b/AesonUtils.hs new file mode 100644 index 0000000..f7b19ad --- /dev/null +++ b/AesonUtils.hs @@ -0,0 +1,25 @@ +{- + - Copyright (C) 2023 University of Luxembourg + - + - Licensed under the Apache License, Version 2.0 (the "License"); you may not + - use this file except in compliance with the License. You may obtain a copy + - of the License from the LICENSE file in this repository, or at: + - + - http://www.apache.org/licenses/LICENSE-2.0 + - + - Unless required by applicable law or agreed to in writing, software + - distributed under the License is distributed on an "AS IS" BASIS, WITHOUT + - WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the + - License for the specific language governing permissions and limitations + - under the License. + -} +module AesonUtils where + +import qualified Data.Aeson as A +import qualified Data.Aeson.KeyMap as KM + +-- | A bit like `lodashMerge` from aeson-extra, but replaces the arrays. Right +-- argument overwrites the left one. +objMerge :: A.Value -> A.Value -> A.Value +objMerge (A.Object a) (A.Object b) = A.Object $ KM.unionWith objMerge a b +objMerge _ b = b |