42 lines
2.1 KiB
Markdown
42 lines
2.1 KiB
Markdown
<p align="center"><img src="https://www.11ty.dev/img/logo-github.svg" width="200" height="200" alt="eleventy Logo"></p>
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# eleventy-plugin-syntaxhighlight-chroma
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A module for handling syntax highlighting in [Eleventy](https://github.com/11ty/eleventy) using the [Chroma](https://github.com/alecthomas/chroma); a syntax highlighter written in Go. There is no browser/client JavaScript required, the highlight transformations are all done at build-time.
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I am making using of the [chroma-highlight](https://github.com/krymel/chroma-highlight) NPM package to include `Chroma` support. (It handles downloading the required binary for the platform you are working on).
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This module/plugin took the 11ty plugin [eleventy-plugin-syntaxhighlight](https://github.com/11ty/eleventy-plugin-syntaxhighlight) as the basis.
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## Supported args in code blocks
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The first argument is always expected to be the language, at present there is no bugout/fail if a language is not provided first. (Nor in the original plugin)
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For Markdown, separate arguments with a `/`, this seems to be hard coded somewhere and I haven't a workaround yet. For `liquid` and `njk` use spaces (` `) to separate arguments.
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Arguments:
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- `lineNumbers` will add line numbers starting from 1 for each code block.
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- `lineNumbersStyle` if `table` is used, then code block will use a table to make it easier to drag and select the code. i.e `lineNumberStyle=table`
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- `lineNumbersStart` the number to start the line number count from. i.e `lineNumbersStart=200`
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## Supported `options` in eleventy config
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You can specify some arguments in the options object in `.eleventy.js` config. ~~Options are considered defaults, and can be overriden by codeblock arguments.~~**TODO**
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Example of `options` object
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```
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options
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{
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theme: 'onedark',
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lineNumbers: false,
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}
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```
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Theme can be set to one of these [themes](https://xyproto.github.io/splash/docs/all.html). If no theme is specified, then `xcode-dark` is used.
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- `lineNumbers` will add line numbers starting from 1 for each code block.
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- `lineNumbersStyle` if `table` is used, then code block will use a table to make it easier to drag and select the code.
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