use errors::{bail, Result}; use minify_html::{with_friendly_error, Cfg}; pub fn html(html: String) -> Result { let cfg = &Cfg { minify_js: false, minify_css: false }; let mut input_bytes = html.as_bytes().to_vec(); match with_friendly_error(&mut input_bytes, cfg) { Ok(len) => match std::str::from_utf8(&input_bytes[..len]) { Ok(result) => Ok(result.to_string()), Err(err) => bail!("Failed to convert bytes to string : {}", err), }, Err(minify_error) => { bail!( "Failed to truncate html at character {}: {} \n {}", minify_error.position, minify_error.message, minify_error.code_context ); } } } #[cfg(test)] mod tests { use super::*; // https://github.com/getzola/zola/issues/1292 #[test] fn can_minify_html() { let input = r#"

Example blog post

FOO BAR "#; let expected = r#"

Example blog post

FOO BAR"#; let res = html(input.to_owned()).unwrap(); assert_eq!(res, expected); } // https://github.com/getzola/zola/issues/1304 #[test] fn can_minify_multibyte_characters() { let input = r#" 俺が好きなのはキツネの…ケツねｗー丁寧なインタネット生活の人より "#; let expected = r#"俺が好きなのはキツネの…ケツねｗー丁寧なインタネット生活の人より"#; let res = html(input.to_owned()).unwrap(); assert_eq!(res, expected); } // https://github.com/getzola/zola/issues/1300 #[test] fn can_minify_and_preserve_whitespace_in_pre_elements() { let input = r#"

fn main() {
    println!("Hello, world!");
    loop {
      println!("Hello, world!");
    }
  }

"#; let expected = r#"

fn main() {
    println!("Hello, world!");
    loop {
      println!("Hello, world!");
    }
  }

"#; let res = html(input.to_owned()).unwrap(); assert_eq!(res, expected); } }