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134 lines
3.7 KiB
Markdown
134 lines
3.7 KiB
Markdown
---
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template: overrides/main.html
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---
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# Search
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The [built-in search plugin][1] provides client-side search inside the browser
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and is implemented using [lunr.js][2] which includes stemmers for the English
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language by default, while stemmers for other languages are included with
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[lunr-languages][3], both of which are integrated with this theme.
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!!! tip "Add the [localsearch][4] plugin to support search from `file://`"
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While search will not work for the `file://` protocol, as web workers and
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the use of `XMLHTTPRequest` are both blocked by modern browsers for security
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reasons, the [localsearch][4] plugin and @squidfunk's [iframe-worker][5]
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polyfill add support for cases where this is a mandatory requirement, e.g.,
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for offline use.
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[1]: https://www.mkdocs.org/user-guide/configuration/#search
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[2]: https://lunrjs.com
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[3]: https://github.com/MihaiValentin/lunr-languages
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[4]: https://github.com/wilhelmer/mkdocs-localsearch
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[5]: https://github.com/squidfunk/iframe-worker
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## Installation
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The search plugin is a built-in plugin, and thus doesn't need to be installed.
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## Configuration
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Add the following lines to `mkdocs.yml`:
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``` yaml
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plugins:
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- search
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```
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### Language
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> Default: best match for `theme.language`, automatically set
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Material for MkDocs selects the (best-)matching stemmer for the given theme
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language. Multilingual search can be enabled in `mkdocs.yml` by explicitly
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defining the search language(s):
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``` yaml
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plugins:
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- search:
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lang:
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- en
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- de
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- ru
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```
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The following language codes are supported:
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<style>
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.md-language-list {
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-webkit-columns: 2;
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-moz-columns: 2;
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columns: 2;
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}
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.md-language-list li {
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-webkit-column-break-inside: avoid;
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page-break-inside: avoid;
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break-inside: avoid;
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}
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</style>
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<ul class="md-language-list">
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<li><code>ar</code> / Arabic</li>
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<li><code>da</code> / Danish</li>
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<li><code>du</code> / Dutch</li>
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<li><code>en</code> / English</li>
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<li><code>fi</code> / Finnish</li>
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<li><code>fr</code> / French</li>
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<li><code>de</code> / German</li>
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<li><code>hu</code> / Hungarian</li>
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<li><code>it</code> / Italian</li>
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<li><code>ja</code> / Japanese</li>
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<li><code>no</code> / Norwegian</li>
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<li><code>pt</code> / Portugese</li>
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<li><code>ro</code> / Romanian</li>
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<li><code>ru</code> / Russian</li>
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<li><code>es</code> / Spanish</li>
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<li><code>sv</code> / Swedish</li>
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<li><code>th</code> / Thai</li>
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<li><code>tr</code> / Turkish</li>
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<li><code>vi</code> / Vietnamese</li>
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</ul>
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!!! warning "Only specify the languages you really need"
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Be aware that including support for other languages increases the general
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JavaScript payload by around 20kb (before `gzip`) and by another 15-30kb
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per language.
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### Tokenization
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> Default: `[\s\-]+`
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The separator for tokenization can be customized which makes it possible to
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index parts of words that are separated by `-` or `.`:
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``` yaml
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plugins:
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- search:
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separator: '[\s\-\.]+'
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```
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### Prebuilding :hatching_chick:
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> Default: `false`
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MkDocs can generate a [prebuilt index][6] of all pages during build time, which
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provides performance improvements at the cost of more bandwidth. This may be
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beneficial for large documentation projects that are served with appropriate
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HTTP headers (e.g. `Content-Encoding: gzip`).
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Material for MkDocs 5 finally brings experimental support for prebuilt indexes
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which can be enabled by adding the following lines to `mkdocs.yml`:
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``` yaml
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plugins:
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- search:
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prebuild_index: true
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```
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[6]: https://www.mkdocs.org/user-guide/configuration/#prebuild_index
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## Usage
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When enabled, a search bar is shown in the header.
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