22 lines
916 B
TypeScript
22 lines
916 B
TypeScript
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///
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/// Copyright © 2016-2023 The Thingsboard Authors
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///
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/// Licensed under the Apache License, Version 2.0 (the "License");
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/// you may not use this file except in compliance with the License.
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/// You may obtain a copy of the License at
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///
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/// http://www.apache.org/licenses/LICENSE-2.0
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///
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/// Unless required by applicable law or agreed to in writing, software
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/// distributed under the License is distributed on an "AS IS" BASIS,
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/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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/// See the License for the specific language governing permissions and
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/// limitations under the License.
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///
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type NestedKeyOf<ObjectType extends object> =
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{[Key in keyof ObjectType & (string | number)]: ObjectType[Key] extends object
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? `${Key}` | `${Key}.${NestedKeyOf<ObjectType[Key]> extends infer U extends string ? U : never}`
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: `${Key}`
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}[keyof ObjectType & (string | number)];
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