89eae00479
* Switch license file to AGPL * Update file copyright headers * Update the default project file header
24 lines
771 B
Swift
24 lines
771 B
Swift
//
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// Copyright 2023, 2024 New Vector Ltd.
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//
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// SPDX-License-Identifier: AGPL-3.0-only
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// Please see LICENSE in the repository root for full details.
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//
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import Foundation
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extension Dictionary {
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var jsonString: String? {
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guard let data = try? JSONSerialization.data(withJSONObject: self,
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options: [.fragmentsAllowed, .sortedKeys]) else {
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return nil
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}
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return String(decoding: data, as: UTF8.self)
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}
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/// Returns a dictionary containing the original values keyed by the results of mapping the given closure over its keys.
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func mapKeys<T>(_ transform: (Key) -> T) -> [T: Value] {
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.init(map { (transform($0.key), $0.value) }) { first, _ in first }
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}
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}
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