44 lines
1.6 KiB
Dart
44 lines
1.6 KiB
Dart
/* MIT License
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*
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* Copyright (C) 2019, 2020, 2021 Famedly GmbH
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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extension MapCopyExtension on Map<String, dynamic> {
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dynamic _copyValue(dynamic value) {
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if (value is Map<String, dynamic>) {
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return value.copy();
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}
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if (value is List) {
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return value.map(_copyValue).toList();
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}
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return value;
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}
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/// Deep-copies a given json map
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Map<String, dynamic> copy() {
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final copy = Map<String, dynamic>.from(this);
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for (final entry in copy.entries) {
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copy[entry.key] = _copyValue(entry.value);
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}
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return copy;
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}
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}
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