Fix denoland/deno#8541

kdy1 · Nov 29, 2020 · ec71d8c · ec71d8c
1 parent 46b553e
commit ec71d8c
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Showing 3 changed files with 21 additions and 2 deletions.
diff --git a/ecmascript/codegen/Cargo.toml b/ecmascript/codegen/Cargo.toml
@@ -7,7 +7,7 @@ include = ["Cargo.toml", "src/**/*.rs"]
 license = "Apache-2.0/MIT"
 name = "swc_ecma_codegen"
 repository = "https://github.com/swc-project/swc.git"
-version = "0.41.1"
+version = "0.41.2"
 
 [dependencies]
 bitflags = "1"

diff --git a/ecmascript/codegen/src/lib.rs b/ecmascript/codegen/src/lib.rs
@@ -2463,8 +2463,11 @@ fn escape<'s>(cm: &SourceMap, span: Span, s: &'s str, single_quote: Option<bool>
                         }
                         'u' => match orig_iter.next() {
                             Some('{') => {
+                                buf.push('{');
                                 loop {
-                                    if orig_iter.next() == Some('}') {
+                                    let ch = orig_iter.next();
+                                    buf.extend(ch);
+                                    if ch == Some('}') {
                                         break;
                                     }
                                 }

diff --git a/ecmascript/codegen/src/tests.rs b/ecmascript/codegen/src/tests.rs
@@ -470,6 +470,22 @@ fn integration_01_reduced_01() {
     );
 }
 
+#[test]
+fn dneo_8541_1() {
+    test_from_to(
+        "React.createElement('span', null, '\\u{b7}');",
+        "React.createElement('span', null, '\\u{b7}');",
+    );
+}
+
+#[test]
+fn dneo_8541_2() {
+    test_from_to(
+        "React.createElement('span', null, '\\u00b7');",
+        "React.createElement('span', null, '\\u00b7');",
+    );
+}
+
 #[derive(Debug, Clone)]
 struct Buf(Arc<RwLock<Vec<u8>>>);
 impl Write for Buf {