Update customizations

Author: isoos

app/lib/dartdoc/customization.dart

@@ -74,10 +74,18 @@ class DartdocCustomizer {
 
   void _stripCanonicalUrl(Element elem) {
     if (elem == null) return;
-    final href = elem.attributes['href'];
+    String href = elem.attributes['href'];
     if (href != null && href.endsWith('/index.html')) {
-      elem.attributes['href'] =
-          href.substring(0, href.length - 'index.html'.length);
+      href = href.substring(0, href.length - 'index.html'.length);
+    }
+    if (href != null) {
+      // Since the <base /> tag removal, dartdoc calculates the canonical URL
+      // with extra `../../` segments. Removing them as a temporary fix.
+      // https://github.com/dart-lang/dartdoc/issues/2122
+      // TODO: Remove this after the dartdoc issue is fixed
+      href = href.replaceAll('../', '');
+
+      elem.attributes['href'] = href;
     }
   }
 

app/test/dartdoc/golden/pana_0.12.2_index.html

@@ -4,11 +4,12 @@
   <meta charset="utf-8">
   <meta http-equiv="X-UA-Compatible" content="IE=edge">
   <meta name="viewport" content="width=device-width, height=device-height, initial-scale=1, user-scalable=no">
-  <meta name="generator" content="made with love by dartdoc 0.29.3">
+  <meta name="generator" content="made with love by dartdoc 0.30.0+1">
   <meta name="description" content="pana API docs, for the Dart programming language.">
   <title>pana - Dart API docs</title>
-  <link rel="canonical" href="https://pub.dartlang.org/documentation/pana/0.12.2/index.html">
+  <link rel="canonical" href="https://pub.dev/documentation/pana/0.12.2/index.html">
 
+  
   <link href="https://fonts.googleapis.com/css?family=Source+Code+Pro:500,400i,400,300|Source+Sans+Pro:400,300,700" rel="stylesheet">
   <link href="https://fonts.googleapis.com/icon?family=Material+Icons" rel="stylesheet">
   <link rel="stylesheet" href="static-assets/github.css">
@@ -128,7 +129,7 @@ <h2>Libraries</h2>
 <script src="static-assets/typeahead.bundle.min.js"></script>
 <script src="static-assets/highlight.pack.js"></script>
 <script src="static-assets/URI.js"></script>
-<script src="static-assets/script.js"></script>
+<script id="dartdoc_script_js" src="static-assets/script.js"></script>
 <!-- footer placeholder -->
 
 </body>

app/test/dartdoc/golden/pana_0.12.2_index.out.html

@@ -6,11 +6,11 @@
     <meta charset="utf-8"/>
     <meta http-equiv="X-UA-Compatible" content="IE=edge"/>
     <meta name="viewport" content="width=device-width, height=device-height, initial-scale=1, user-scalable=no"/>
-    <meta name="generator" content="made with love by dartdoc 0.29.3"/>
+    <meta name="generator" content="made with love by dartdoc 0.30.0+1"/>
     <meta name="description" content="pana API docs, for the Dart programming language."/>
     <title>pana - Dart API docs</title>
     <link rel="alternate" href="/documentation/pana/latest/"/>
-    <link rel="canonical" href="https://pub.dartlang.org/documentation/pana/0.12.2/"/>
+    <link rel="canonical" href="https://pub.dev/documentation/pana/0.12.2/"/>
     <link rel="stylesheet" type="text/css" href="/static/css/github-markdown.css?hash=t2ti0tfkd3q7dsh5njovil42c3bnhf5s"/>
     <link href="https://fonts.googleapis.com/css?family=Source+Code+Pro:500,400i,400,300|Source+Sans+Pro:400,300,700" rel="stylesheet"/>
     <link href="https://fonts.googleapis.com/icon?family=Material+Icons" rel="stylesheet"/>
@@ -144,7 +144,7 @@ <h2>Libraries</h2>
     <script src="static-assets/typeahead.bundle.min.js"/>
     <script src="static-assets/highlight.pack.js"/>
     <script src="static-assets/URI.js"/>
-    <script src="static-assets/script.js"/>
+    <script id="dartdoc_script_js" src="static-assets/script.js"/>
     <!-- footer placeholder -->
   </body>
 </html>

app/test/dartdoc/golden/pana_0.12.2_license_file_class.html

@@ -2,9 +2,5 @@
 -     <link rel="alternate" href="/documentation/pana/latest/"/>
 -           <a href="/packages/pana/versions/0.12.2">pana package</a>
 +           <a href="/packages/pana">pana package</a>
--           <a href="/documentation/pana/0.12.2/">documentation</a>
-+           <a href="/documentation/pana/latest/">documentation</a>
 -             <a href="/packages/pana/versions/0.12.2">pana package</a>
 +             <a href="/packages/pana">pana package</a>
--             <a href="/documentation/pana/0.12.2/">documentation</a>
-+             <a href="/documentation/pana/latest/">documentation</a>