Fix the case when SwiftUI create new View struct without call onAppears. Now we always do a query check when hitting empty Image

Author: dreampiggy

.gitignore

@@ -18,6 +18,7 @@ profile
 DerivedData
 *.hmap
 *.ipa
+IDEWorkspaceChecks.plist
 
 # Bundler
 .bundle

Example/Podfile.lock

@@ -8,10 +8,10 @@ PODS:
   - libwebp/mux (1.0.3):
     - libwebp/demux
   - libwebp/webp (1.0.3)
-  - SDWebImage (5.2.2):
-    - SDWebImage/Core (= 5.2.2)
-  - SDWebImage/Core (5.2.2)
-  - SDWebImageSwiftUI (0.3.0):
+  - SDWebImage (5.2.3):
+    - SDWebImage/Core (= 5.2.3)
+  - SDWebImage/Core (5.2.3)
+  - SDWebImageSwiftUI (0.3.1):
     - SDWebImage (~> 5.1)
   - SDWebImageWebPCoder (0.2.5):
     - libwebp (~> 1.0)
@@ -22,7 +22,7 @@ DEPENDENCIES:
   - SDWebImageWebPCoder
 
 SPEC REPOS:
-  https://github.com/cocoapods/specs.git:
+  trunk:
     - libwebp
     - SDWebImage
     - SDWebImageWebPCoder
@@ -33,10 +33,10 @@ EXTERNAL SOURCES:
 
 SPEC CHECKSUMS:
   libwebp: 057912d6d0abfb6357d8bb05c0ea470301f5d61e
-  SDWebImage: 5fcdb02cc35e05fc35791ec514b191d27189f872
-  SDWebImageSwiftUI: 9fa220c3c9a69a383f2db5fabc97748ac4e4b696
+  SDWebImage: 46a7f73228f84ce80990c786e4372cf4db5875ce
+  SDWebImageSwiftUI: 1b67183dd2ef0321b2ccf578775de8e47eaceb77
   SDWebImageWebPCoder: 947093edd1349d820c40afbd9f42acb6cdecd987
 
 PODFILE CHECKSUM: 3fb06a5173225e197f3a4bf2be7e5586a693257a
 
-COCOAPODS: 1.7.5
+COCOAPODS: 1.8.3

SDWebImageSwiftUI/Classes/WebImage.swift

@@ -45,6 +45,9 @@ public struct WebImage : View {
             let emptyImage = Image(uiImage: UIImage())
             #endif
             image = emptyImage
+            // load remote image here, SwiftUI sometimes will create a new View struct without calling `onAppear` (like enter EditMode) :)
+            // this can ensure we load the image, SDWebImage take care of the duplicated query
+            self.imageManager.load()
         }
         return configurations.reduce(image) { (previous, configuration) in
             configuration(previous)