Add "alternative words" to filter items in docs

docs/en/docs-nav.json

@@ -487,7 +487,8 @@
             },
             {
               "text": "Exception Handling",
-              "path": "framework/fundamentals/exception-handling.md"
+              "path": "framework/fundamentals/exception-handling.md",
+              "keywords": ["error"]
             },
             {
               "text": "Localization",

modules/docs/src/Volo.Docs.Domain.Shared/Volo/Docs/Documents/NavigationNode.cs

@@ -21,6 +21,9 @@ namespace Volo.Docs.Documents
         
         [JsonPropertyName("isIndex")]
         public bool IsIndex { get; set; }
+        
+        [JsonPropertyName("keywords")]
+        public string[] Keywords { get; set; }
 
         public bool IsLeaf => !HasChildItems;
 

modules/docs/src/Volo.Docs.Web/Areas/Documents/TagHelpers/TreeTagHelper.cs

@@ -1,4 +1,5 @@
 using System;
+using System.Collections.Generic;
 using System.Linq;
 using System.Text;
 using Microsoft.AspNetCore.Razor.TagHelpers;
@@ -23,7 +24,7 @@ namespace Volo.Docs.Areas.Documents.TagHelpers
 
         private const string LiItemTemplateWithLink = @"<li class='{0}'><span class='plus-icon'><i class='fa fa-{1}'></i></span>{2}{3}</li>";
 
-        private const string ListItemAnchor = @"<a href='{0}' class='{1}'>{2}</a>";
+        private const string ListItemAnchor = @"<a href='{0}' {1} class='{2}'>{3}</a>";
 
         private const string ListItemSpan = @"<span class='{0}'>{1}</span>";
 
@@ -155,7 +156,8 @@ namespace Volo.Docs.Areas.Documents.TagHelpers
 
                 sb.Clear();
 
-                listInnerItem = string.Format(ListItemAnchor, NormalizePath(node.Path), textCss,
+                var dataKeywords = node.Keywords.IsNullOrEmpty() ? "" : "data-keywords=\"" + node.Keywords.JoinAsString(",") + "\"";
+                listInnerItem = string.Format(ListItemAnchor, NormalizePath(node.Path), dataKeywords ,textCss,
                     node.Text.IsNullOrEmpty()
                         ? "?"
                         : sb.Append(node.Text).Append(badgeStringBuilder.ToString()).ToString());

modules/docs/src/Volo.Docs.Web/Pages/Documents/Project/index.js

@@ -29,7 +29,8 @@ var doc = doc || {};
                 var $ul =  $(`<ul class="nav nav-list tree" ${uiCss}></ul>`);
                 var $li = $(`<li class="${node.hasChildItems ? 'nav-header' : 'last-link'}"></li>`);
                 
-                $li.append(`<span class="plus-icon"> <i class="fa fa-${node.hasChildItems ? 'chevron-right' : node.path === "javascript:;" ? 'has-link' : 'no-link'}"></i></span><a href="${node.path}" class="${textCss}">${node.text}</a>`)
+                var dataKeywords =  node.keywords ? `data-keywords="${node.keywords}"` : "";
+                $li.append(`<span class="plus-icon"> <i class="fa fa-${node.hasChildItems ? 'chevron-right' : node.path === "javascript:;" ? 'has-link' : 'no-link'}"></i></span><a href="${node.path}" ${dataKeywords} class="${textCss}">${node.text}</a>`)
 
                 if(node.isLazyExpandable){
                     $li.addClass("lazy-expand");
@@ -111,12 +112,17 @@ var doc = doc || {};
                 var filteredItems = $navigation
                     .find('li > a')
                     .filter(function () {
-                        return (
-                            $(this)
-                                .text()
-                                .toUpperCase()
-                                .indexOf(filterText.toUpperCase()) > -1
-                        );
+                        var keywords = ($(this).data('keywords') ?? "").split(",");
+                        var text = $(this).text();
+                        
+                        if(text.toUpperCase().indexOf(filterText.toUpperCase()) > -1)
+                        {
+                            return true;
+                        }
+                        
+                        return keywords.some(function(keyword){
+                            return keyword.toUpperCase().indexOf(filterText.toUpperCase()) > -1;
+                        });
                     });
 
                 filteredItems.each(function () {