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@@ -59,11 +59,6 @@ to markdown such as MDX, math, and frontmatter. * [Use](#use) * [API](#api) * [Extensions](#extensions) -* [Examples](#examples) - * [Example: syntax highlighting code](#example-syntax-highlighting-code) -* [Markdown](#markdown) - * [CommonMark](#commonmark) - * [Grammar](#grammar) * [Project](#project) * [Overview](#overview) * [File structure](#file-structure) @@ -186,144 +181,9 @@ They are not enabled by default but can be turned on with options. It is not a goal of this project to support lots of different extensions. It’s instead a goal to support very common and mostly standardized extensions. -## Examples - -<!-- To do: math example; syntax highlighting in Rust --> - -### Example: syntax highlighting code - -This example shows how `micromark-rs` can be used to turn markdown into an HTML -file. -When the HTML is opened in a browser, the code examples that were in the -markdown are then syntax highlighted by client side JavaScript using -[`starry-night`][starry-night]. -The `starry-night` library matches how GitHub highlights code on their platform. - -Say we have this `example.rs`: - -```rs -extern crate micromark; -use micromark::{micromark_with_options, Constructs, Options}; -use std::fs; - -fn main() -> Result<(), String> { - let markdown = r###" -# Hello - -…world! - -~~~js -console.log('it works!') -~~~ -"###; - - let html = micromark_with_options( - markdown, - &Options { - constructs: Constructs::gfm(), - ..Options::default() - }, - )?; - - let js = r###" -import {createStarryNight, common} from 'https://esm.sh/@wooorm/starry-night@1?bundle' -import {toDom} from 'https://esm.sh/hast-util-to-dom@3?bundle' - -const starryNight = await createStarryNight(common) -const prefix = 'language-' - -const nodes = Array.from(document.body.querySelectorAll('code')) - -for (const node of nodes) { - const className = Array.from(node.classList).find((d) => d.startsWith(prefix)) - if (!className) continue - const scope = starryNight.flagToScope(className.slice(prefix.length)) - if (!scope) continue - const tree = starryNight.highlight(node.textContent, scope) - node.replaceChildren(toDom(tree, {fragment: true})) -} -"###; - - let html = format!( - "<!doctype html> -<meta charset=utf8> -<title>Hello</title> -<link rel=stylesheet href=\"https://esm.sh/@wooorm/starry-night@1/style/both.css\"> -<body> -{} -<script type=module> -{} -</script> -</body> -", - html, js - ); - - match fs::write("index.html", html) { - Ok(()) => {} - Err(error) => return Err(format!("Could not write `index.html`: {:?}", error)), - } - - Ok(()) -} -``` - -The code example in the markdown as HTML will first look like this: - -```html -<pre><code class="language-js">console.log('it works!') -</code></pre> -``` - -Opening the document in a browser, we’d see it being swapped with: - -<!-- prettier-ignore --> - -```html -<pre><code class="language-js"><span class="pl-en">console</span>.<span class="pl-c1">log</span>(<span class="pl-s"><span class="pl-pds">'</span>it works!<span class="pl-pds">'</span></span>) -</code></pre> -``` - -## Markdown - -### CommonMark - -The first definition of “Markdown” gave several examples of how it worked, -showing input Markdown and output HTML, and came with a reference implementation -(`Markdown.pl`). -When new implementations followed, they mostly followed the first definition, -but deviated from the first implementation, and added extensions, thus making -the format a family of formats. - -Some years later, an attempt was made to standardize the differences between -implementations, by specifying how several edge cases should be handled, through -more input and output examples. -This is known as [CommonMark][commonmark-spec], and many implementations now -work towards some degree of CommonMark compliancy. -Still, CommonMark describes what the output in HTML should be given some -input, which leaves many edge cases up for debate, and does not answer what -should happen for other output formats. - -micromark passes all tests from CommonMark and has many more tests to match the -CommonMark reference parsers. - -### Grammar - -The syntax of markdown can be described in Backus–Naur form (BNF) as: - -```bnf -markdown = .* -``` - -No, that’s [not a typo](http://trevorjim.com/a-specification-for-markdown/): -markdown has no syntax errors; anything thrown at it renders *something*. - -For more practical examples of how things roughly work in BNF, see the module -docs of each `src/construct`. - ## Project -micromark is maintained as a single monolithic package. +micromark is maintained as a single monolithic crate. ### Overview @@ -483,7 +343,7 @@ Support this effort and give back by sponsoring: [chat]: https://github.com/wooorm/micromark-rs/discussions -[commonmark-spec]: https://spec.commonmark.org +[commonmark]: https://spec.commonmark.org [cheat]: https://commonmark.org/help/ @@ -501,14 +361,10 @@ Support this effort and give back by sponsoring: [mdast]: https://github.com/syntax-tree/mdast -[starry-night]: https://github.com/wooorm/starry-night - [contribute]: #contribute [sponsor]: #sponsor -[commonmark]: #commonmark - [extensions]: #extensions [security]: #security |