Use memchr for split_into_lines

[Boshen]

rspack-sources/src/helpers.rs

Lines 471 to 491 in 25152be

	// /[^\n]+\n?|\n/g
	pub fn split_into_lines(source: &str) -> Vec<&str> {
	let mut results = Vec::new();
	let mut i = 0;
	let bytes = source.as_bytes();
	while i < bytes.len() {
	let cc = bytes[i];
	if cc == 10 {
	results.push("\n");
	i += 1;
	} else {
	let mut j = i + 1;
	while j < bytes.len() && bytes[j] != 10 {
	j += 1;
	}
	results.push(&source[i..(j + 1).min(bytes.len())]);
	i = j + 1;
	}
	}
	results
	}

You may copy this version:

https://github.com/rust-lang/cargo/blob/30efe860c0e4adc1a6d7057ad223dc6e47d34edf/src/cargo/sources/registry/index.rs#L1048-L1072

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p.s. It seems like split_into_lines is called multiples in different places, I can't tell if the call is cached or not.