93 lines
2.6 KiB
Swift
93 lines
2.6 KiB
Swift
//
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// SharedAssets.swift
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// YMFF
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//
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// Created by Yakov Manshin on 9/26/20.
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// Copyright © 2020 Yakov Manshin. See the LICENSE file for license info.
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//
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import YMFF
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#if !COCOAPODS
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import YMFFProtocols
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#endif
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// MARK: - Shared
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enum SharedAssets {
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static var configuration: FeatureFlagResolverConfigurationProtocol {
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FeatureFlagResolverConfiguration(stores: [
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.mutable(RuntimeOverridesStore()),
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.immutable(OpaqueStoreWithLimitedTypeSupport(store: remoteStore)),
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.immutable(localStore),
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])
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}
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static var configurationWithNoMutableStores: FeatureFlagResolverConfigurationProtocol {
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FeatureFlagResolverConfiguration(stores: [
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.immutable(OpaqueStoreWithLimitedTypeSupport(store: remoteStore)),
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.immutable(localStore),
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])
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}
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static var configurationWithNoStores: FeatureFlagResolverConfigurationProtocol {
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FeatureFlagResolverConfiguration(stores: [])
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}
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private static var localStore: [String : Any] { [
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"bool": false,
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"int": 123,
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"string": "STRING_VALUE_LOCAL",
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"optionalInt": Optional<Int>.some(123) as Any,
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"intToOverride": 123,
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] }
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private static var remoteStore: [String : Any] { [
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"bool": true,
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"string": "STRING_VALUE_REMOTE",
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"optionalInt": Optional<Int>.none as Any,
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"intToOverride": 456,
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] }
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static var boolKey: FeatureFlagKey { "bool" }
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static var intKey: FeatureFlagKey { "int" }
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static var stringKey: FeatureFlagKey { "string" }
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static var optionalIntKey: FeatureFlagKey { "optionalInt" }
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static var nonexistentKey: FeatureFlagKey { "nonexistent" }
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static var intToOverrideKey: FeatureFlagKey { "intToOverride" }
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}
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// MARK: - Supplementary Types
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private struct OpaqueStoreWithLimitedTypeSupport: FeatureFlagStoreProtocol {
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private let store: TransparentFeatureFlagStore
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init(store: TransparentFeatureFlagStore) {
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self.store = store
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}
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func containsValue(forKey key: String) -> Bool {
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store[key] != nil
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}
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func value<Value>(forKey key: String) -> Value? {
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let expectedValueType = Value.self
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switch expectedValueType {
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case is Bool.Type,
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is Int.Type,
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is String.Type,
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is Optional<Bool>.Type,
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is Optional<Int>.Type,
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is Optional<String>.Type:
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return store[key] as? Value
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default:
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assertionFailure("The expected feature flag value type (\(expectedValueType)) is not supported")
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return nil
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}
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}
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}
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