Update on demand example

CureleaAndrei · Mar 13, 2021 · 51e8555 · 51e8555
1 parent 6130ecc
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Showing 2 changed files with 15 additions and 17 deletions.
diff --git a/Documentation/Usage.md b/Documentation/Usage.md
@@ -282,25 +282,25 @@ At the same time, items can be added at the start. Notice you'll need to update
 
 ```swift
 
-@State var count: Int = -1
 @StateObject var page: Page = .first()
 // @ObservedObject var page: Page = .first()
 @State var data = Array(0..<5)
 
-Pager(page: self.page,
-        data: self.data,
-        id: \.self) {
-    self.pageView($0)
-}
-.onPageChanged({ pageIndex in
-    guard pageIndex == 1 else { return }
-    let newData = (1...5).map { $0 * self.count }
-    withAnimation {
-        self.data.insert(contentsOf: newData, at: 0)
-        self.page.index += 5
-        self.count -= 1
+var body: some View {
+    Pager(page: self.page,
+            data: self.data,
+            id: \.self) {
+        self.pageView($0)
     }
-})
+    .onPageChanged({ pageIndex in
+        guard pageIndex == 1 else { return }
+        let newData = (1...5).map { data1.first! - $0 }.reversed()
+        withAnimation {
+            page.index += newData.count
+            data.insert(contentsOf: newData, at: 0)
+        }
+    })
+}
 ```
 
 ## Content Loading Policy

diff --git a/Example/SwiftUIPagerExample/Examples/InfiniteExampleView.swift b/Example/SwiftUIPagerExample/Examples/InfiniteExampleView.swift
@@ -12,7 +12,6 @@ struct InfiniteExampleView: View {
 
     @StateObject var page1 = Page.withIndex(2)
     @StateObject var page2 = Page.first()
-    @State var count: Int = 1
     @State var data1 = Array(0..<7)
     @State var isPresented: Bool = false
     var data2 = Array(0..<20)
@@ -36,11 +35,10 @@ struct InfiniteExampleView: View {
                     .onPageChanged({ page in
                         print("Page changed to: \(page)")
                         if page == 1 {
-                            let newData = (1...5).map { data1.first! - $0 * count }.reversed()
+                            let newData = (1...5).map { data1.first! - $0 }.reversed()
                             withAnimation {
                                 page1.index += newData.count
                                 data1.insert(contentsOf: newData, at: 0)
-                                count += 1
                                 isPresented.toggle()
                             }
                         } else if page == self.data1.count - 2 {