Make sidenav API entries: use proper path

content/docs/languages/android/_index.md

@@ -1,9 +1,10 @@
 ---
 title: Android Java
+api_path: grpc-java/javadoc
 ---
 
 These language-specific pages are available:
 
 - [Quick start](quickstart)
 - [Basics tutorial](basics)
-- [API reference](api/grpc-java/javadoc)
+- [API reference](api/{{< param api_path >}})

content/docs/languages/android/api.md

@@ -1,6 +1,7 @@
 ---
 title: API reference
 short: API
+path: grpc-java/javadoc
 weight: 90
 # Note: this is a placeholder page. The URL to this page redirects elsewhere.
 ---

content/docs/languages/csharp/_index.md

@@ -1,5 +1,6 @@
 ---
 title: C# / .NET
+api_path: api/Grpc.Core
 ---
 
 There are two official implementations of gRPC for C#. The original [gRPC
@@ -7,7 +8,7 @@ core-library][core-library] implementation is covered here:
 
 - [Quick start](quickstart)
 - [Basics tutorial](basics)
-- [API reference](api/api/Grpc.Core)
+- [API reference](api/{{< param api_path >}})
 
 For details concerning the newer gRPC for .NET implementation, see [gRPC for
 .NET](dotnet).

content/docs/languages/dart/_index.md

@@ -1,9 +1,10 @@
 ---
 title: Dart
+api_path: pub.dev/documentation/grpc?ext=1
 ---
 
 These language-specific pages are available:
 
 - [Quick start](quickstart)
 - [Basics tutorial](basics)
-- [API reference](api/pub.dev/documentation/grpc?ext=1)
+- [API reference](api/{{< param api_path >}})

content/docs/languages/go/_index.md

@@ -1,5 +1,6 @@
 ---
 title: Go
+api_path: pkg.go.dev/google.golang.org/grpc?ext=1
 ---
 
 These language-specific pages are available:
@@ -7,4 +8,4 @@ These language-specific pages are available:
 - [Quick start](quickstart)
 - [Basics tutorial](basics)
 - [Generated-code reference](generated-code)
-- [API reference](api/pkg.go.dev/google.golang.org/grpc?ext=1)
+- [API reference](api/{{< param api_path >}})

content/docs/languages/java/_index.md

@@ -1,5 +1,6 @@
 ---
 title: Java
+api_path: grpc-java/javadoc
 ---
 
 These language-specific pages are available:
@@ -7,4 +8,4 @@ These language-specific pages are available:
 - [Quick start](quickstart)
 - [Basics tutorial](basics)
 - [Generated-code reference](generated-code)
-- [API reference](api/grpc-java/javadoc)
+- [API reference](api/{{< param api_path >}})

content/docs/languages/kotlin/_index.md

@@ -1,9 +1,10 @@
 ---
 title: Kotlin/JVM
+api_path: javadocs.dev/io.grpc/grpc-kotlin-stub/latest?ext=1
 ---
 
 These language-specific pages are available:
 
 - [Quick start](quickstart)
 - [Basics tutorial](basics)
-- [API reference](api/javadocs.dev/io.grpc/grpc-kotlin-stub/latest?ext=1)
+- [API reference](api/{{< param api_path >}})

content/docs/languages/objective-c/_index.md

@@ -1,5 +1,6 @@
 ---
 title: Objective-C
+api_path: grpc/objc
 ---
 
 These language-specific pages are available:
@@ -7,4 +8,4 @@ These language-specific pages are available:
 - [Quick start](quickstart)
 - [Basics tutorial](basics)
 - [OAuth2 tutorial](oauth2)
-- [API reference](api/grpc/objc)
+- [API reference](api/{{< param api_path >}})

content/docs/languages/php/_index.md

@@ -1,9 +1,10 @@
 ---
 title: PHP
+api_path: namespace-Grpc
 ---
 
 These language-specific pages are available:
 
 - [Quick start](quickstart)
 - [Basics tutorial](basics)
-- [API reference](api/namespace-Grpc)
+- [API reference](api/{{< param api_path >}})

content/docs/languages/ruby/_index.md

@@ -1,9 +1,10 @@
 ---
 title: Ruby
+api_path: rubydoc.info/gems/grpc?ext=1
 ---
 
 These language-specific pages are available:
 
 - [Quick start](quickstart)
 - [Basics tutorial](basics)
-- [API reference](api/rubydoc.info/gems/grpc?ext=1)
+- [API reference](api/{{< param api_path >}})

layouts/partials/nav.html

@@ -58,9 +58,20 @@
           <ul class="nav-section-links" x-show="open">
             {{ range $children -}}
               {{ $isActive := eq $here .RelPermalink -}}
+              {{ $isApi :=  findRE "^/docs/languages/.+?/api(/.*)?(\\?.*)?$" .RelPermalink -}}
+              {{ $isExternal := or (hasPrefix .RelPermalink "http") $isApi -}}
+              {{ $href := .RelPermalink -}}
+              {{ if and $isApi .Parent.Params.api_path -}}
+                {{ $href = printf "%s%s" $href .Parent.Params.api_path -}}
+              {{ end -}}
               <li class="nav-section-link{{ if $isActive }} is-active{{ end }}">
-                <a href="{{ .RelPermalink }}">
+                <a href="{{ $href }}"
-                  {{ .Params.short | default .Title }}
+                  {{- if $isExternal }} target="_blank" rel="noopener"{{ end -}}
+                >
+                  {{ .Params.short | default .Title -}}
+                  {{ if $isExternal -}}
+                    <i class="fas fa-external-link-alt"></i>
+                  {{- end -}}
                 </a>
               </li>
             {{ end -}}