fix code blocks not rendering in resources

src/builder.rs

@@ -4,7 +4,6 @@ use std::{collections::HashMap, path::PathBuf};
 
 use eyre::{eyre, Context, OptionExt};
 use lol_html::{element, html_content::ContentType, HtmlRewriter, Settings};
-use pulldown_cmark::{Options, Parser};
 use rayon::prelude::*;
 use serde::Serialize;
 use syntect::{highlighting::ThemeSet, parsing::SyntaxSet};
@@ -399,49 +398,7 @@ impl SiteBuilder {
 			.with_context(|| format!("Failed to read page at {}", page_path.display()))?;
 		let page = crate::frontmatter::FrontMatter::parse(input)?;
 
-		let mut language = None;
-		let parser = Parser::new_ext(&page.content, Options::all()).filter_map(|event| {
-			// syntax highlighting for code blocks
-			match event {
-				pulldown_cmark::Event::Start(pulldown_cmark::Tag::CodeBlock(
-					pulldown_cmark::CodeBlockKind::Fenced(name),
-				)) => {
-					language = Some(name);
-					None
-				}
-				pulldown_cmark::Event::Text(code) => {
-					if let Some(language) = language.take() {
-						let syntax_reference = self
-							.syntax_set
-							.find_syntax_by_token(&language)
-							.unwrap_or_else(|| self.syntax_set.find_syntax_plain_text());
-						let html = format!(
-							r#"<div class="wd-codeblock">
-								<button class="copy">Copy</button>
-								{}
-							</div>"#,
-							syntect::html::highlighted_html_for_string(
-								&code,
-								&self.syntax_set,
-								syntax_reference,
-								self.theme_set
-									.themes
-									.get(&self.site.config.code_theme)
-									.as_ref()
-									.expect("should never fail"),
-							)
-							.expect("failed to highlight syntax")
-						);
-						Some(pulldown_cmark::Event::Html(html.into()))
-					} else {
-						Some(pulldown_cmark::Event::Text(code))
-					}
-				}
-				_ => Some(event),
-			}
-		});
-		let mut page_html = String::new();
-		pulldown_cmark::html::push_html(&mut page_html, parser);
+		let page_html = util::render_markdown(self, &page.content)?;
 
 		let out = self.build_page_raw(page.data.unwrap_or_default(), &page_html, ())?;
 

src/resource.rs

@@ -5,14 +5,13 @@ use std::{
 
 use eyre::Context;
 use itertools::Itertools;
-use pulldown_cmark::{Options, Parser};
 use rss::{validation::Validate, ChannelBuilder, ItemBuilder};
 use serde::{Deserialize, Serialize};
 use time::{format_description::well_known::Rfc2822, OffsetDateTime};
 
 use crate::{
 	builder::SiteBuilder, frontmatter::FrontMatterRequired, link_list::Link,
-	util::format_timestamp, PageMetadata,
+	util::{self, format_timestamp}, PageMetadata,
 };
 
 /// Metadata for resources.
@@ -182,10 +181,7 @@ impl ResourceBuilder {
 		let mut page = FrontMatterRequired::<ResourceMetadata>::parse(input)
 			.wrap_err_with(|| eyre::eyre!("Failed to parse resource front matter"))?;
 
-		let parser = Parser::new_ext(&page.content, Options::all());
-		let mut html = String::new();
-		pulldown_cmark::html::push_html(&mut html, parser);
-		*page.content_mut() = html;
+		*page.content_mut() = util::render_markdown(builder, &page.content)?;
 
 		let data = page.data_mut();
 		if let Some(cdn_file) = &data.cdn_file {

src/util.rs

@@ -2,8 +2,11 @@
 
 use std::path::Path;
 
+use pulldown_cmark::{Options, Parser};
 use time::OffsetDateTime;
 
+use crate::builder::SiteBuilder;
+
 /// Simple helper to remove the contents of a directory without removing the directory itself.
 pub fn remove_dir_contents(path: &Path) -> eyre::Result<()> {
 	for entry in path.read_dir()? {
@@ -24,3 +27,52 @@ pub fn format_timestamp(ts: OffsetDateTime, format: &str) -> eyre::Result<String
 	let fmt = time::format_description::parse_borrowed::<2>(format)?;
 	Ok(ts.format(&fmt)?)
 }
+
+/// Helper to render markdown.
+pub fn render_markdown(builder: &SiteBuilder, input: &str) -> eyre::Result<String> {
+	let mut language = None;
+	let parser = Parser::new_ext(input, Options::all()).filter_map(|event| {
+		// syntax highlighting for code blocks
+		match event {
+			pulldown_cmark::Event::Start(pulldown_cmark::Tag::CodeBlock(
+				pulldown_cmark::CodeBlockKind::Fenced(name),
+			)) => {
+				language = Some(name);
+				None
+			}
+			pulldown_cmark::Event::Text(code) => {
+				if let Some(language) = language.take() {
+					let syntax_reference = builder
+						.syntax_set
+						.find_syntax_by_token(&language)
+						.unwrap_or_else(|| builder.syntax_set.find_syntax_plain_text());
+					let html = format!(
+						r#"<div class="wd-codeblock">
+							<button class="copy">Copy</button>
+							{}
+						</div>"#,
+						syntect::html::highlighted_html_for_string(
+							&code,
+							&builder.syntax_set,
+							syntax_reference,
+							builder.theme_set
+								.themes
+								.get(&builder.site.config.code_theme)
+								.as_ref()
+								.expect("should never fail"),
+						)
+						.expect("failed to highlight syntax")
+					);
+					Some(pulldown_cmark::Event::Html(html.into()))
+				} else {
+					Some(pulldown_cmark::Event::Text(code))
+				}
+			}
+			_ => Some(event),
+		}
+	});
+	let mut page_html = String::new();
+	pulldown_cmark::html::push_html(&mut page_html, parser);
+
+	Ok(page_html)
+}