Escape non-printable ident code with hex

danny0838 · danny0838 · commit 6dda460ce0d5 · 2024-04-07T21:21:10.000+08:00
diff --git a/parse-css.js b/parse-css.js
@@ -761,7 +761,7 @@ function escapeIdent(string) {
 }
 
 function escapeIdentCode(code) {
-  if(digit(code) || letter(code)) {
+  if(digit(code) || letter(code) || between(code, 0, 0x1f) || code == 0x7f) {
     return `\\${code.toString(16)} `;
   }
   return "\\"+String.fromCodePoint(code);

Original file line number	Diff line number	Diff line change
`@@ -761,7 +761,7 @@ function escapeIdent(string) {`
`761`	`761`	`}`
`762`	`762`
`763`	`763`	`function escapeIdentCode(code) {`
`764`		`- if(digit(code) \|\| letter(code)) {`
	`764`	`+ if(digit(code) \|\| letter(code) \|\| between(code, 0, 0x1f) \|\| code == 0x7f) {`
`765`	`765`	return `\\${code.toString(16)} `;
`766`	`766`	`}`
`767`	`767`	`return "\\"+String.fromCodePoint(code);`