Add MoonWatch app, widget extension, shared module, and .gitignore
Adds the real MoonWatch implementation on top of the initial Xcode template: new SwiftUI views (MoonDiskView, StarFieldView), the MoonWatchWidget extension, and a Shared module containing the moon phase calculator, shadow shape, and shared asset catalog. Also adds a Swift/Xcode/macOS .gitignore and untracks per-user xcuserdata files. Co-authored-by: Cursor <cursoragent@cursor.com>
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203
MoonWatchWidget/MoonWatchWidget.swift
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203
MoonWatchWidget/MoonWatchWidget.swift
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//
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// MoonWatchWidget.swift
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// MoonWatchWidget
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//
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// Home Screen + Lock Screen widget showing the current moon phase.
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// Pulls phase math + the photographic moon disk from the Shared module.
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//
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import SwiftUI
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import WidgetKit
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struct MoonPhaseEntry: TimelineEntry, Sendable {
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let date: Date
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let snapshot: MoonPhaseSnapshot
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}
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struct MoonPhaseProvider: TimelineProvider {
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func placeholder(in context: Context) -> MoonPhaseEntry {
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let now = Date()
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return MoonPhaseEntry(date: now, snapshot: MoonPhaseCalculator.snapshot(for: now))
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}
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func getSnapshot(
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in context: Context,
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completion: @escaping @Sendable (MoonPhaseEntry) -> Void
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) {
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let now = Date()
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completion(MoonPhaseEntry(date: now, snapshot: MoonPhaseCalculator.snapshot(for: now)))
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}
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func getTimeline(
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in context: Context,
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completion: @escaping @Sendable (Timeline<MoonPhaseEntry>) -> Void
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) {
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var entries: [MoonPhaseEntry] = []
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let now = Date()
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let cal = Calendar.current
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// 48 hourly entries covers two full days; .atEnd triggers a fresh
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// reload once the last entry is consumed, so the widget is always current.
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for hourOffset in 0..<48 {
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let date = cal.date(byAdding: .hour, value: hourOffset, to: now) ?? now
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let snap = MoonPhaseCalculator.snapshot(for: date)
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entries.append(MoonPhaseEntry(date: date, snapshot: snap))
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}
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completion(Timeline(entries: entries, policy: .atEnd))
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}
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}
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struct MoonWatchWidgetEntryView: View {
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var entry: MoonPhaseEntry
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@Environment(\.widgetFamily) private var family
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var body: some View {
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switch family {
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case .systemSmall:
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smallView
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case .systemMedium:
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mediumView
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case .systemLarge:
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largeView
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case .accessoryCircular:
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circularAccessory
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case .accessoryRectangular:
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rectangularAccessory
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case .accessoryInline:
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Text("\(Image(systemName: "moon.fill")) \(entry.snapshot.namedPhase.rawValue)")
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default:
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smallView
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}
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}
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private var smallView: some View {
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VStack(spacing: 6) {
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MoonImageDisk(normalizedPhase: entry.snapshot.normalizedPhase)
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.frame(maxWidth: .infinity, maxHeight: .infinity)
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Text(entry.snapshot.namedPhase.rawValue)
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.font(.caption2.weight(.semibold))
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.foregroundStyle(.white)
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.lineLimit(1)
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.minimumScaleFactor(0.7)
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Text("\(Int((entry.snapshot.illuminatedFraction * 100).rounded()))% lit")
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.font(.caption2)
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.foregroundStyle(.white.opacity(0.7))
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}
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}
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private var mediumView: some View {
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HStack(spacing: 14) {
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MoonImageDisk(normalizedPhase: entry.snapshot.normalizedPhase)
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.frame(maxWidth: .infinity, maxHeight: .infinity)
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.frame(maxWidth: 130)
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VStack(alignment: .leading, spacing: 6) {
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Text(entry.snapshot.namedPhase.rawValue)
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.font(.headline.weight(.semibold))
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.foregroundStyle(.white)
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Text("\(Int((entry.snapshot.illuminatedFraction * 100).rounded()))% illuminated")
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.font(.subheadline)
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.foregroundStyle(.white.opacity(0.75))
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Text("Age: \(String(format: "%.1f", entry.snapshot.moonAgeDays)) days")
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.font(.subheadline)
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.foregroundStyle(.white.opacity(0.6))
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}
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.frame(maxWidth: .infinity, alignment: .leading)
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}
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}
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private var largeView: some View {
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VStack(spacing: 12) {
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MoonImageDisk(normalizedPhase: entry.snapshot.normalizedPhase)
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.frame(maxWidth: .infinity, maxHeight: .infinity)
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VStack(spacing: 4) {
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Text(entry.snapshot.namedPhase.rawValue)
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.font(.title3.weight(.semibold))
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.foregroundStyle(.white)
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Text(
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"\(Int((entry.snapshot.illuminatedFraction * 100).rounded()))% lit · age \(String(format: "%.1f", entry.snapshot.moonAgeDays)) days"
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)
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.font(.subheadline)
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.foregroundStyle(.white.opacity(0.7))
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}
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}
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}
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private var circularAccessory: some View {
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ZStack {
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AccessoryWidgetBackground()
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MoonImageDisk(normalizedPhase: entry.snapshot.normalizedPhase)
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.padding(2)
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}
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}
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private var rectangularAccessory: some View {
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HStack(spacing: 8) {
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MoonImageDisk(normalizedPhase: entry.snapshot.normalizedPhase)
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.frame(width: 32, height: 32)
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VStack(alignment: .leading, spacing: 1) {
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Text(entry.snapshot.namedPhase.rawValue)
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.font(.caption.weight(.semibold))
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Text(
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"\(Int((entry.snapshot.illuminatedFraction * 100).rounded()))% · \(String(format: "%.1f", entry.snapshot.moonAgeDays))d"
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)
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.font(.caption2)
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.foregroundStyle(.secondary)
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}
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}
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}
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}
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struct MoonWatchWidget: Widget {
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let kind: String = "MoonWatchWidget"
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var body: some WidgetConfiguration {
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StaticConfiguration(kind: kind, provider: MoonPhaseProvider()) { entry in
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MoonWatchWidgetEntryView(entry: entry)
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.containerBackground(for: .widget) {
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LinearGradient(
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colors: [
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Color(red: 0.04, green: 0.04, blue: 0.14),
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Color(red: 0.06, green: 0.04, blue: 0.18),
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Color(red: 0.01, green: 0.02, blue: 0.06),
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],
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startPoint: .top,
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endPoint: .bottom
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)
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}
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}
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.configurationDisplayName("Moon Phase")
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.description("See the current phase of the moon at a glance.")
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.supportedFamilies([
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.systemSmall,
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.systemMedium,
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.systemLarge,
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.accessoryCircular,
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.accessoryRectangular,
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.accessoryInline,
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])
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}
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}
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@main
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struct MoonWatchWidgetBundle: WidgetBundle {
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var body: some Widget {
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MoonWatchWidget()
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}
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}
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#Preview(as: .systemSmall) {
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MoonWatchWidget()
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} timeline: {
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MoonPhaseEntry(date: .now, snapshot: MoonPhaseCalculator.snapshot(for: .now))
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}
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#Preview(as: .systemMedium) {
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MoonWatchWidget()
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} timeline: {
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MoonPhaseEntry(date: .now, snapshot: MoonPhaseCalculator.snapshot(for: .now))
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}
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#Preview(as: .accessoryRectangular) {
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MoonWatchWidget()
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} timeline: {
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MoonPhaseEntry(date: .now, snapshot: MoonPhaseCalculator.snapshot(for: .now))
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}
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