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Expose settable PostHogConfig.getAnonymousId for anonymous-id seeding #3

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Expose settable PostHogConfig.getAnonymousId for anonymous-id seeding #3

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29 changes: 29 additions & 0 deletions Sources/SkipPostHog/SkipPostHog.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -763,6 +763,35 @@ public class PostHogConfig {
}
}

/// A closure that derives the anonymous ID for the current user. It receives
/// a freshly generated `UUID` and returns the `UUID` PostHog should use as
/// the anonymous identifier.
///
/// Use this to seed the anonymous ID from a durable client identifier so the
/// same device keeps a stable distinct ID across reinstalls. Mirrors the iOS
/// `PostHogConfig.getAnonymousId` and Android `PostHogConfig.getAnonymousId`.
///
/// On Android the underlying closure operates on `java.util.UUID`; the
/// `#if SKIP` branch bridges that to Foundation `UUID` via `KotlinConverting`.
public var getAnonymousId: (UUID) -> UUID {
get {
#if !SKIP
self.platformValue.getAnonymousId
#else
let platformClosure = self.platformValue.getAnonymousId
return { uuid in UUID(platformValue: platformClosure(uuid.kotlin())) }
#endif
}

set {
#if !SKIP
self.platformValue.getAnonymousId = newValue
#else
self.platformValue.getAnonymousId = { uuid in newValue(UUID(platformValue: uuid)).kotlin() }
#endif
}
}

public var personProfiles: PostHogPersonProfiles {
get {
#if !SKIP
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