Merge pull request #24 from c-villain/issue-13-swipe-hint

add swipe hint modifier

Example/iOS/ExampleView.swift

@@ -115,6 +115,10 @@ struct ExampleView: View {
                                         fullSwiped = true
                                     }
                                 }
+                                .swipeHint( // <== HINT
+                                    cell == range.first,
+                                    hintOffset: 60
+                                )
                                 .listRowInsets(EdgeInsets())
                         }
                     }

Sources/SwipeActions/ViewModifiers/SwipeHintModifier.swift

@@ -0,0 +1,38 @@
+import SwiftUI
+
+public extension View {
+    @ViewBuilder
+    func swipeHint(_ isActive: Bool = false, hintOffset: CGFloat, delayIn: CGFloat = 0.5, delayOut: CGFloat = 1.5) -> some View {
+        if isActive {
+            modifier(
+                SwipeHintModifier(
+                    hintOffset: hintOffset,
+                    delayIn: delayIn,
+                    delayOut: delayOut
+                )
+            )
+        } else {
+            self
+        }
+    }
+}
+
+public struct SwipeHintModifier: ViewModifier {
+    let hintOffset: CGFloat
+    let delayIn: CGFloat
+    let delayOut: CGFloat
+    @State private var offset: CGFloat = 0
+
+    public func body(content: Content) -> some View {
+        content
+            .offset(x: -offset)
+            .onAppear {
+                    withAnimation(.easeInOut.delay(delayIn)) {
+                        offset = hintOffset
+                    }
+                    withAnimation(.easeInOut.delay(delayOut)) {
+                        offset = 0
+                    }
+            }
+    }
+}