Make the secrets optional. (#3966)

Secrets/Secrets.pkl

@@ -7,11 +7,17 @@
 
 // Analytics and Diagnostics
 
-sentryDSN = read("env:SENTRY_DSN")
-postHogHost = read("env:POSTHOG_HOST")
-postHogAPIKey = read("env:POSTHOG_API_KEY")
-rageshakeServerURL = read("env:RAGESHAKE_SERVER_URL")
+import "package://pkg.pkl-lang.org/github.com/element-hq/pkl-tools/staticcode@1.0.0#/StaticCode.pkl"
 
-// Maps
+sentryDSN: String? = read?("env:SENTRY_DSN")
+postHogHost: String? = read?("env:POSTHOG_HOST")
+postHogAPIKey: String? = read?("env:POSTHOG_API_KEY")
+rageshakeServerURL: String? = read?("env:RAGESHAKE_SERVER_URL")
+mapLibreAPIKey: String? = read?("env:MAPLIBRE_API_KEY")
 
-mapLibreAPIKey = read("env:MAPLIBRE_API_KEY")
+output {
+  renderer = new StaticCode.Renderer {
+    language = "Swift"
+    objectName = "Secrets"
+  }
+}

Secrets/Secrets.swift

@@ -1,19 +1,8 @@
-// swiftlint:disable all
-// Generated using SwiftGen — https://github.com/SwiftGen/SwiftGen
+enum Secrets {
+    static let sentryDSN: String? = "https://sentry.localhost"
+    static let postHogHost: String? = "https://posthog.localhost"
+    static let postHogAPIKey: String? = "your_key"
+    static let rageshakeServerURL: String? = "https://rageshake.localhost"
+    static let mapLibreAPIKey: String? = "your_key"
 
-import Foundation
-
-// swiftlint:disable superfluous_disable_command
-// swiftlint:disable file_length
-
-// MARK: - YAML Files
-
-// swiftlint:disable identifier_name line_length number_separator type_body_length
-internal enum Secrets {
-  internal static let mapLibreAPIKey: String = "your_key"
-  internal static let postHogAPIKey: String = "your_key"
-  internal static let postHogHost: String = "https://posthog.localhost"
-  internal static let rageshakeServerURL: String = "https://rageshake.localhost"
-  internal static let sentryDSN: String = "https://sentry.localhost"
-}
-// swiftlint:enable identifier_name line_length number_separator type_body_length
+}