bendns' repos / panel
html terminal
Diffstat (limited to 'build.rs')
-rw-r--r--build.rs57
1 files changed, 57 insertions, 0 deletions
diff --git a/build.rs b/build.rs
new file mode 100644
index 0000000..77d8311
--- /dev/null
+++ b/build.rs
@@ -0,0 +1,57 @@
+#![feature(utf8_chunks)]
+use std::fs;
+use std::io::prelude::*;
+use std::path::Path;
+
+use minify_html::{minify, Cfg};
+
+/// like [String::from_utf8_lossy] but instead of being lossy it panics
+pub fn from_utf8(v: &[u8]) -> &str {
+ let mut iter = std::str::Utf8Chunks::new(v);
+ if let Some(chunk) = iter.next() {
+ let valid = chunk.valid();
+ if chunk.invalid().is_empty() {
+ debug_assert_eq!(valid.len(), v.len());
+ return valid;
+ }
+ } else {
+ return "";
+ };
+ unreachable!("invalid utf8")
+}
+
+pub fn process(input: impl AsRef<Path>) -> std::io::Result<()> {
+ let mut f = fs::File::create(dbg!(Path::new("html").join(input.as_ref()))).unwrap();
+ let mut buf = vec![];
+ fs::File::open(Path::new("html-src").join(input.as_ref()))?.read_to_end(&mut buf)?;
+ let minified = minify(
+ &buf,
+ &Cfg {
+ minify_js: true,
+ minify_css: true,
+ ..Default::default()
+ },
+ );
+ let minified = from_utf8(&minified);
+ let minified = minified.replace(
+ "ws://localhost:4001/connect/",
+ &format!(
+ "{}",
+ std::env::var("URL").unwrap_or("ws://localhost:4001/connect/".to_string())
+ ),
+ );
+ f.write_all(minified.as_bytes())
+}
+
+fn main() -> std::io::Result<()> {
+ if !Path::new("html").exists() {
+ std::fs::create_dir("html")?;
+ }
+
+ for path in fs::read_dir("html-src")? {
+ process(path.unwrap().path().file_name().unwrap())?;
+ }
+ println!("cargo:rerun-if-changed=html-src/");
+ println!("cargo:rerun-if-changed=build.rs");
+ Ok(())
+}