private string BuildSearchIndex(IList <SearchIndexItem> searchIndexItems, string[] stopwords, IExecutionContext context)
{
StringBuilder sb = new StringBuilder();
for (int i = 0; i < searchIndexItems.Count(); ++i)
{
SearchIndexItem itm = searchIndexItems.ElementAt(i);
sb.AppendLine($@"a({{
id:{i},
title:{CleanString(itm.Title, stopwords)},
content:{CleanString(itm.Content, stopwords)},
description:{CleanString(itm.Description, stopwords)},
tags:'{itm.Tags}'
}});");
}
foreach (SearchIndexItem itm in searchIndexItems)
{
sb.AppendLine($@"y({{
url:'{context.GetLink(new FilePath(itm.Url), true)}',
title:{ToJsonString(itm.Title)},
description:{ToJsonString(itm.Description)}
}});");
}
return(CreateJs(sb.ToString()));
}
private StringBuilder BuildScript(IList <SearchIndexItem> searchIndexItems, string[] stopwords, IExecutionContext context)
{
StringBuilder scriptBuilder = new StringBuilder($@"
var searchModule = function() {{
var idMap = [];
function y(e) {{
idMap.push(e);
}}
var idx = lunr(function() {{
this.field('title', {{ boost: 10 }});
this.field('content');
this.field('description', {{ boost: 5 }});
this.field('tags', {{ boost: 50 }});
this.ref('id');
this.pipeline.remove(lunr.stopWordFilter);
{(_enableStemming ? "" : "this.pipeline.remove(lunr.stemmer);")}
}});
function a(e) {{
idx.add(e);
}}
");
for (int i = 0; i < searchIndexItems.Count; ++i)
{
SearchIndexItem itm = searchIndexItems.ElementAt(i);
scriptBuilder.AppendLine($@"
a({{
id:{i},
title:{CleanString(itm.Title, stopwords)},
content:{CleanString(itm.Content, stopwords)},
description:{CleanString(itm.Description, stopwords)},
tags:'{itm.Tags}'
}});");
}
foreach (SearchIndexItem itm in searchIndexItems)
{
scriptBuilder.AppendLine($@"
y({{
url:'{context.GetLink(new FilePath(itm.Url), _includeHost)}',
title:{ToJsonString(itm.Title)},
description:{ToJsonString(itm.Description)}
}});");
}
scriptBuilder.AppendLine($@"
return {{
search: function(q) {{
return idx.search(q).map(function(i) {{
return idMap[i.ref];
}});
}}
}};
}}();");
return(scriptBuilder);
}
