39 lines
1.4 KiB
Rust
39 lines
1.4 KiB
Rust
use crate::err::ProcessingResult;
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use crate::proc::MatchAction::*;
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use crate::proc::MatchMode::*;
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use crate::proc::Processor;
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use crate::cfg::Cfg;
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#[cfg(feature = "js-esbuild")]
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use crate::proc::checkpoint::Checkpoint;
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pub fn process_script(proc: &mut Processor, cfg: &Cfg) -> ProcessingResult<()> {
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#[cfg(feature = "js-esbuild")]
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let start = Checkpoint::new(proc);
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loop {
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proc.require_not_at_end()?;
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// Use fast memchr. Unfortunately all characters in "</script>" are common in JS code.
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proc.m(WhileNotChar(b'<'), Keep);
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// `process_tag` will require closing tag.
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if proc.m(IsSeq(b"</script"), MatchOnly).nonempty() {
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#[cfg(feature = "js-esbuild")]
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if cfg.minify_js {
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let src_range = start.written_range(proc);
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let src = unsafe {
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std::string::String::from_utf8_unchecked(proc[src_range].to_vec())
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};
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let min = esbuild_rs::esbuild(&src).trim().as_bytes();
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// `src.len()` is amount of bytes, so this is guaranteed to not overwrite.
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if min.len() < src.len() {
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start.erase_written(proc);
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proc.write_slice(min);
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return Ok(());
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};
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};
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break;
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};
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// Consume '<'.
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proc.accept_expect();
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};
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Ok(())
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}
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