fix: Fix open links in browsers.

jaywcjlove · Mar 11, 2022 · d74ddfd · d74ddfd
1 parent 107d057
commit d74ddfd
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Showing 2 changed files with 15 additions and 3 deletions.
diff --git a/Package.swift b/Package.swift
@@ -7,7 +7,7 @@ let package = Package(
     name: "Markdown",
     platforms: [
         .iOS(.v13),
-        .macOS(.v10_15)
+        .macOS(.v11)
     ],
     products: [
         // Products define the executables and libraries a package produces, and make them visible to other packages.

diff --git a/Sources/Markdown/MarkdownWebView.swift b/Sources/Markdown/MarkdownWebView.swift
@@ -29,7 +29,8 @@ private struct JavascriptFunction {
     }
 }
 
-public class MarkdownWebView: CustomView {
+public class MarkdownWebView: CustomView, WKNavigationDelegate {
+    @Environment(\.openURL) private var openURL
     private struct Constants {
         static let mdPreviewDidReady = "mdPreviewDidReady"
         static let mdPreviewDidChanged = "mdPreviewDidChanged"
@@ -43,6 +44,7 @@ public class MarkdownWebView: CustomView {
         configuration.preferences = preferences
         configuration.userContentController = userController
         let webView = WKWebView(frame: bounds, configuration: configuration)
+        webView.navigationDelegate = self
 
         #if os(OSX)
         webView.setValue(true, forKey: "drawsTransparentBackground") // Prevent white flick
@@ -117,8 +119,18 @@ public class MarkdownWebView: CustomView {
     func setPaddingRight(_ right: Int) {
         callJavascript(javascriptString: "__markdown_preview__.style.paddingRight = '\(right)px';")
     }
-}
 
+    public func webView(_ webView: WKWebView, decidePolicyFor navigationAction: WKNavigationAction, decisionHandler: @escaping (WKNavigationActionPolicy) -> Void) {
+        if let url = navigationAction.request.url {
+            if url.isFileURL == false {
+                openURL(url)
+                decisionHandler(.cancel)
+                return
+            }
+        }
+        decisionHandler(.allow)
+    }
+}
 
 
 extension MarkdownWebView {