tabs are not emitted literally

src/utils/peek_until.rs

@@ -140,13 +140,6 @@ pub(crate) fn peek_escape<I: Iterator<Item = Token>>(
         value = toks.peek_forward(1).unwrap().kind as u32;
     }
 
-    // tabs are emitted literally
-    // TODO: figure out where this check is done
-    // in the source dart
-    if value == 0x9 {
-        return Ok("\\\t".to_string());
-    }
-
     let c = std::char::from_u32(value).unwrap();
     if is_name(c) {
         Ok(c.to_string())

src/utils/strings.rs

@@ -143,13 +143,6 @@ fn escape<I: Iterator<Item = Token>>(
         value = toks.next().unwrap().kind as u32;
     }
 
-    // tabs are emitted literally
-    // TODO: figure out where this check is done
-    // in the source dart
-    if value == 0x9 {
-        return Ok("\\\t".to_string());
-    }
-
     let c = std::char::from_u32(value).unwrap();
     if (identifier_start && is_name_start(c) && !c.is_digit(10))
         || (!identifier_start && is_name(c))

tests/str-escape.rs

@@ -51,7 +51,7 @@ test!(
 test!(
     escape_tabs,
     "a {\n  color: \\	x \\9x;\n}\n",
-    "a {\n  color: \\\tx \\\tx;\n}\n"
+    "a {\n  color: \\9 x \\9 x;\n}\n"
 );
 test!(
     escape_interpolation_start,
@@ -158,3 +158,13 @@ test!(
     unquoted_escape_minus_unquoted,
     "a {\n  color: \\a - foo;\n}\n"
 );
+test!(
+    quoted_escaped_tab,
+    "a {\n  color: \"\\9\";\n}\n",
+    "a {\n  color: \"\t\";\n}\n"
+);
+test!(
+    unquoted_escaped_tab,
+    "a {\n  color: \\9;\n}\n",
+    "a {\n  color: \\9 ;\n}\n"
+);