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make javascript code generation faster by skipping grapheme counting in docs

author
Giacomo Cavalieri committer
Louis Pilfold date (Jul 15, 2026, 5:34 PM +0100) commit b435df86 parent 1b62fdf3 change-id qxqllqwp
+7 -1
+7 -1
compiler-core/src/javascript.rs
··· 1303 1303 documentation 1304 1304 .trim_end() 1305 1305 .split('\n') 1306 - .map(|line| eco_format!(" *{}", line.replace("*/", "*\\/")).to_doc(arena)), 1306 + // Each comment line is turned into a zero width string. 1307 + // We actually don't need to know how long a comment string is 1308 + // because comments will never be split anyway. 1309 + // So this saves us a lot of useless grapheme counting that would 1310 + // otherwise have to happen if we just turned the string into a 1311 + // regular document. 1312 + .map(|line| arena.zero_width_string(eco_format!(" *{}", line.replace("*/", "*\\/")))), 1307 1313 LINE_DOCUMENT, 1308 1314 ); 1309 1315