From 774e1411bbc1bcbe52466d564f84fd695d220881 Mon Sep 17 00:00:00 2001
From: Bauke <me@bauke.xyz>
Date: Mon, 9 Jan 2023 15:43:05 +0100
Subject: [PATCH] Add HTML minification.

---
 Cargo.toml              |  1 +
 source/main.rs          |  1 +
 source/minify.rs        | 22 ++++++++++++++++++++++
 source/templates/mod.rs |  2 +-
 source/video/mod.rs     |  6 +++++-
 5 files changed, 30 insertions(+), 2 deletions(-)
 create mode 100644 source/minify.rs

diff --git a/Cargo.toml b/Cargo.toml
index 99a2ad6..5d784bd 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -17,6 +17,7 @@ path = "source/main.rs"
 askama = "0.11.1"
 color-eyre = "0.6.2"
 comrak = "0.15.0"
+minify-html = "0.10.7"
 rsass = "0.23.4"
 toml-frontmatter = "0.1.0"
 
diff --git a/source/main.rs b/source/main.rs
index 706a16b..ef22dcd 100644
--- a/source/main.rs
+++ b/source/main.rs
@@ -6,6 +6,7 @@ use std::{
 use color_eyre::{install, Result};
 
 mod copy;
+mod minify;
 mod scss;
 mod templates;
 mod video;
diff --git a/source/minify.rs b/source/minify.rs
new file mode 100644
index 0000000..deb4d63
--- /dev/null
+++ b/source/minify.rs
@@ -0,0 +1,22 @@
+use color_eyre::Result;
+
+/**
+Minify HTML using [`minify_html`].
+*/
+pub fn html(data: String) -> Result<String> {
+  let minify_config = minify_html::Cfg {
+    do_not_minify_doctype: true,
+    ensure_spec_compliant_unquoted_attribute_values: true,
+    keep_closing_tags: true,
+    keep_comments: false,
+    keep_html_and_head_opening_tags: true,
+    keep_spaces_between_attributes: true,
+    minify_css: false,
+    minify_js: false,
+    remove_bangs: false,
+    remove_processing_instructions: false,
+  };
+
+  let minified_data = minify_html::minify(&data.into_bytes(), &minify_config);
+  String::from_utf8(minified_data).map_err(Into::into)
+}
diff --git a/source/templates/mod.rs b/source/templates/mod.rs
index 7d594d0..f31097b 100644
--- a/source/templates/mod.rs
+++ b/source/templates/mod.rs
@@ -21,7 +21,7 @@ impl Index {
       page_title: "Bauke".to_string(),
     };
 
-    write(destination, template.render()?)?;
+    write(destination, crate::minify::html(template.render()?)?)?;
 
     Ok(())
   }
diff --git a/source/video/mod.rs b/source/video/mod.rs
index bb91a39..772130f 100644
--- a/source/video/mod.rs
+++ b/source/video/mod.rs
@@ -68,7 +68,11 @@ pub fn write_all(public_dir: &Path) -> Result<()> {
       speedrun: video_data.speedrun,
       video_id: video_data.id,
     };
-    fs::write(video_dir.join("index.html"), template.render()?)?;
+
+    fs::write(
+      video_dir.join("index.html"),
+      crate::minify::html(template.render()?)?,
+    )?;
   }
 
   Ok(())