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feat(search): improve search index by chunked separated by h2 and h3 (#290)
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Dillon
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8 changed files with 32 additions and 25 deletions
2
assets/js/theme.min.js
vendored
2
assets/js/theme.min.js
vendored
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@ -116,7 +116,7 @@ enableEmoji = true
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# type of search engine ("lunr", "algolia")
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type = "algolia"
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# max index length of the chunked content
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contentLength = 5000
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contentLength = 4000
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# placeholder of the search bar
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placeholder = ""
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# max number of results length
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@ -310,7 +310,7 @@ enableEmoji = true
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# 搜索引擎的类型 ("lunr", "algolia")
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type = "algolia"
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# 文章内容最长索引长度
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contentLength = 5000
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contentLength = 4000
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# 搜索框的占位提示语
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placeholder = ""
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# 最大结果数目
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@ -500,7 +500,7 @@ enableEmoji = true
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# type of search engine ("lunr", "algolia")
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type = "algolia"
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# max index length of the chunked content
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contentLength = 5000
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contentLength = 4000
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# placeholder of the search bar
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placeholder = ""
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# max number of results length
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@ -222,7 +222,7 @@ Please open the code block below to view the complete sample configuration :(far
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# type of search engine ("lunr", "algolia")
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type = "lunr"
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# max index length of the chunked content
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contentLength = 5000
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contentLength = 4000
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# placeholder of the search bar
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placeholder = ""
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# {{< version 0.2.1 >}} max number of results length
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@ -972,7 +972,7 @@ Here is the search configuration in your [site configuration](#site-configuratio
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# type of search engine ("lunr", "algolia")
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type = "lunr"
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# max index length of the chunked content
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contentLength = 5000
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contentLength = 4000
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# placeholder of the search bar
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placeholder = ""
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# {{< version 0.2.1 >}} max number of results length
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@ -992,8 +992,8 @@ The following is a comparison of two search engines:
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but high bandwidth and low performance (Especially for Chinese which needs a large segmentit library)
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* `algolia`: high performance and low bandwidth, but need to synchronize `index.json` and limit for `contentLength`
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{{< version 0.2.1 >}} The content of the post is separated by `h2` HTML tag to improve query performance and basically implement full-text search.
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`contentLength` is used to limit the max index length of the part starting with `h2` HTML tag.
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{{< version 0.2.3 >}} The content of the post is separated by `h2` and `h3` HTML tag to improve query performance and basically implement full-text search.
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`contentLength` is used to limit the max index length of the part starting with `h2` and `h3` HTML tag.
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{{< /admonition >}}
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{{< admonition tip "Tips about algolia" >}}
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@ -227,7 +227,7 @@ Please open the code block below to view the complete sample configuration :(far
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# type of search engine ("lunr", "algolia")
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type = "lunr"
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# max index length of the chunked content
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contentLength = 5000
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contentLength = 4000
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# placeholder of the search bar
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placeholder = ""
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# {{< version 0.2.1 >}} max number of results length
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@ -977,7 +977,7 @@ Here is the search configuration in your [site configuration](#site-configuratio
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# type of search engine ("lunr", "algolia")
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type = "lunr"
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# max index length of the chunked content
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contentLength = 5000
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contentLength = 4000
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# placeholder of the search bar
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placeholder = ""
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# {{< version 0.2.1 >}} max number of results length
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@ -997,8 +997,8 @@ The following is a comparison of two search engines:
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but high bandwidth and low performance (Especially for Chinese which needs a large segmentit library)
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* `algolia`: high performance and low bandwidth, but need to synchronize `index.json` and limit for `contentLength`
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{{< version 0.2.1 >}} The content of the post is separated by `h2` HTML tag to improve query performance and basically implement full-text search.
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`contentLength` is used to limit the max index length of the part starting with `h2` HTML tag.
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{{< version 0.2.3 >}} The content of the post is separated by `h2` and `h3` HTML tag to improve query performance and basically implement full-text search.
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`contentLength` is used to limit the max index length of the part starting with `h2` and `h3` HTML tag.
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{{< /admonition >}}
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{{< admonition tip "Tips about algolia" >}}
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@ -225,7 +225,7 @@ hugo
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# 搜索引擎的类型 ("lunr", "algolia")
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type = "lunr"
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# 文章内容最长索引长度
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contentLength = 5000
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contentLength = 4000
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# 搜索框的占位提示语
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placeholder = ""
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# 最大结果数目
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@ -977,7 +977,7 @@ defaultContentLanguage = "zh-cn"
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# 搜索引擎的类型 ("lunr", "algolia")
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type = "lunr"
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# 文章内容最长索引长度
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contentLength = 5000
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contentLength = 4000
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# 搜索框的占位提示语
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placeholder = ""
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# 最大结果数目
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@ -996,8 +996,8 @@ defaultContentLanguage = "zh-cn"
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* `lunr`: 简单, 无需同步 `index.json`, 没有 `contentLength` 的限制, 但占用带宽大且性能低 (特别是中文需要一个较大的分词依赖库)
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* `algolia`: 高性能并且占用带宽低, 但需要同步 `index.json` 且有 `contentLength` 的限制
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{{< version 0.2.1 >}} 文章内容被 `h2` HTML 标签切分来提供查询效果并且基本实现全文搜索.
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`contentLength` 用来限制 `h2` HTML 标签开头的内容部分的最大长度.
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{{< version 0.2.3 >}} 文章内容被 `h2` 和 `h3` HTML 标签切分来提供查询效果并且基本实现全文搜索.
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`contentLength` 用来限制 `h2` 和 `h3` HTML 标签开头的内容部分的最大长度.
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{{< /admonition >}}
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{{< admonition tip "关于 algolia 的使用技巧" >}}
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@ -14,17 +14,24 @@
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{{- end -}}
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{{- $params := .Params | merge $.Site.Params.page -}}
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{{- $content := dict "content" .Content "ruby" $params.ruby "fraction" $params.fraction "fontawesome" $params.fontawesome | partial "function/content.html" -}}
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{{- range $i, $chunked := split $content "<h2 id=" -}}
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{{- range $i, $contenti := split $content "<h2 id=" -}}
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{{- if gt $i 0 -}}
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{{- $chunked = printf "<h2 id=%s" $chunked -}}
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{{- $contenti = printf "<h2 id=%s" $contenti -}}
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{{- end -}}
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{{- $chunked = $chunked | plainify | htmlUnescape | replace "\n" " " | replace "\t" " " | replaceRE " +" " " -}}
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{{- range $j, $contentj := split $contenti "<h3 id=" -}}
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{{- if gt $j 0 -}}
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{{- $contentj = printf "<h3 id=%s" $contentj -}}
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{{- end -}}
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{{- $contentj = $contentj | plainify | htmlUnescape | replaceRE `[\n\t ]+` " " -}}
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{{- if gt $.Site.Params.search.contentLength 0 -}}
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{{- $chunked = substr $chunked 0 $.Site.Params.search.contentLength -}}
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{{- $contentj = substr $contentj 0 $.Site.Params.search.contentLength -}}
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{{- end -}}
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{{- $one := printf "%s:%d" $uri $i | dict "content" $chunked "objectID" | merge $meta -}}
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{{- if $contentj | and (ne $contentj " ") -}}
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{{- $one := printf "%s:%d:%d" $uri $i $j | dict "content" $contentj "objectID" | merge $meta -}}
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{{- $index = $index | append $one -}}
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{{- end -}}
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{{- end -}}
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{{- end -}}
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{{- end -}}
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{{- $index | jsonify | safeJS -}}
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@ -237,7 +237,7 @@ class Theme {
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this._algoliaIndex
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.search(query, {
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offset: 0,
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length: searchConfig.maxResultLength * 3,
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length: searchConfig.maxResultLength * 10,
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attributesToHighlight: ['title'],
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attributesToSnippet: ['content:30'],
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highlightPreTag: `<${searchConfig.highlightTag}>`,
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