86 lines
3.2 KiB
Markdown
86 lines
3.2 KiB
Markdown
# Hexo-Highlight-Shiki
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English丨[简体中文](README_zh-CN.md)
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A hexo plugin to use [Shiki](https://github.com/shikijs/shiki) as code block highlighter.
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Hexo v7.0.0+ is required.
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## Features
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- Render code block with Shiki like Hexo default highlighter.
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- Support dual or more themes.
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- Support custom language.
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## Installation and Configuration
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First, install the plugin:
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```shell
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npm install hexo-highlighter-shiki --save
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```
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Then switch the code highlighting engine in your `config.yml`:
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```yaml
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syntax_highlighter: shiki
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```
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Finally, configure `shiki`:
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```yaml
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shiki:
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theme: github-dark # default: one-dark-pro
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line_number: true # default: false
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```
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## Configuration Options
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The complete configuration is as follows:
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```yaml
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shiki:
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theme: one-dark-pro # see https://shiki.style/themes for supported themes.
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line_number: false # default: false
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strip_indent: true # default: true
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tab_replace: " " # default: " "
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pre_style: true # Preserve the style of the <pre> tag, i.e., the theme's `background-color`. default: true
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default_color: light # Only take effect when using multiple themes. default: light
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css_variable_prefix: --shiki- # Only take effect when using multiple themes. default: --shiki-
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additional:
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themes: # List of the TextMate theme json to be added.
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- path/to/theme.json
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langs: # List of the TextMate grammar json of languages to be added.
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- path/to/lang_grammar.json
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lang_alias: # List of the alias of languages.
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your_alias1: lang_name1
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your_alias2: lang_name2
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```
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Additionally, you can specify multiple themes in the `theme` option:
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```yaml
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shiki:
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theme:
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light: one-light
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dark: one-dark-pro
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# ...
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```
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See [Dual Themes](https://shiki.style/guide/dual-themes) for how to switch between multiple themes.
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## Bugs
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### mathjax
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If you are using [hexo-filter-mathjax](https://github.com/next-theme/hexo-filter-mathjax) or any other plugin that uses mathjax to render mathematical formulas locally, you may encounter an `Error: Can't find handler for document` when rendering articles that include code blocks and have mathjax rendering enabled. This is a problem with mathjax, as its LiteDOM adaptor cannot parse complex HTML fragments.
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#### Solution
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For example, if you are using the hexo-filter-mathjax plugin, modify the [this line](https://github.com/next-theme/hexo-filter-mathjax/blob/20dc61352f8cf4d19425ad1833eb72b467c212ef/index.js#L20C3-L20C40) in the source code:
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```js
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- data.content = mathjax(data.content);
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+ data.content = data.content.replace(/<span\s+class="math\s+[^"]*">\\[\(\[].*?\\[\)\]]<\/span>/gs, mathjax);
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```
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This will prevent rendering errors for complex HTML fragments that result in `Can't find handler for document`.
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#### Related Issues:
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- [Error in applying html the markdown file #26](https://github.com/next-theme/hexo-filter-mathjax/issues/26)
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- [Can't find handler for document #265](https://github.com/mathjax/MathJax-src/issues/265)
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## Acknowledgments
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This plugin is developed based on
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- [ArcticLampyrid/hexo-shiki-highlighter](https://github.com/ArcticLampyrid/hexo-shiki-highlighter)
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- [nova1751/hexo-shiki-plugin](https://github.com/nova1751/hexo-shiki-plugin)
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