64 lines
2.1 KiB
Rust
64 lines
2.1 KiB
Rust
use comrak::{
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Arena, Options, create_formatter, html::ChildRendering, nodes::NodeValue, parse_document,
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};
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use std::fmt::Write;
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create_formatter!(ExternalLinkFormatter, {
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NodeValue::Link(ref nl) => |context, node, entering| {
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let skip = context.options.parse.relaxed_autolinks
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&& node.parent().is_some_and(|p| comrak::node_matches!(p, NodeValue::Link(..)));
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if skip {
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return Ok(ChildRendering::HTML);
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}
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if entering {
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context.write_str("<a")?;
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comrak::html::render_sourcepos(context, node)?;
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context.write_str(" href=\"")?;
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let url = &nl.url;
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if context.options.render.r#unsafe || !comrak::html::dangerous_url(url) {
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if let Some(rewriter) = &context.options.extension.link_url_rewriter {
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context.escape_href(&rewriter.to_html(url))?;
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} else {
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context.escape_href(url)?;
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}
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}
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context.write_str("\"")?;
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if !nl.title.is_empty() {
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context.write_str(" title=\"")?;
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context.escape(&nl.title)?;
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context.write_str("\"")?;
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}
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context.write_str(
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" class=\"external-link\" target=\"_blank\" rel=\"noopener noreferrer\">",
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)?;
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} else {
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context.write_str("</a>")?;
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}
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},
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});
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pub fn parse_markdown(input: &str) -> String {
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let mut options = Options::default();
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options.extension.strikethrough = true;
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options.extension.table = true;
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options.extension.tasklist = true;
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options.extension.autolink = true;
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options.render.r#unsafe = true;
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let arena = Arena::new();
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let doc = parse_document(&arena, input, &options);
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let mut html = String::new();
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ExternalLinkFormatter::format_document(doc, &options, &mut html).unwrap_or_default();
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html
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}
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#[tauri::command]
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#[specta::specta]
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pub async fn parse_markdown_command(markdown: String) -> Result<String, String> {
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Ok(parse_markdown(&markdown))
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}
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