fix(ecmascript/lexer): Normalize \r\n and \r to \n in template literals (#1286)

swc_ecma_parser:
 - Normalize \r\n and \r to \n in template literals.

Co-authored-by: 강동윤 <kdy1997.dev@gmail.com>

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 = "0.41.4"
+version = "0.41.5"
 
 [dependencies]
 bitflags = "1"

ecmascript/codegen/tests/references/6d8c97119162ad95.js

@@ -1 +1 @@
-`\r\n	\n`;
+`\n	\n`;

ecmascript/codegen/tests/references/94be09b126b946b8.js

@@ -1 +1 @@
-`\n\r\n\r`;
+`\n\n\n`;

ecmascript/codegen/tests/references/efb88a0b6e2e170e.js

@@ -1 +1 @@
-`\n\r\n`;
+`\n\n`;

ecmascript/parser/Cargo.toml

@@ -7,7 +7,7 @@ include = ["Cargo.toml", "src/**/*.rs", "examples/**/*.rs"]
 license = "Apache-2.0/MIT"
 name = "swc_ecma_parser"
 repository = "https://github.com/swc-project/swc.git"
-version = "0.43.5"
+version = "0.43.6"
 
 [features]
 default = []

ecmascript/parser/src/lexer/mod.rs

@@ -1019,23 +1019,22 @@ impl<'a, I: Input> Lexer<'a, I> {
             } else if c.is_line_break() {
                 self.state.had_line_break = true;
                 let c = if c == '\r' && self.peek() == Some('\n') {
-                    raw.push_str("\\r\\n");
                     self.bump(); // '\r'
                     '\n'
                 } else {
                     match c {
-                        '\n' => raw.push_str("\n"),
-                        '\r' => raw.push_str("\r"),
-                        '\u{2028}' => raw.push_str("\u{2028}"),
-                        '\u{2029}' => raw.push_str("\u{2029}"),
+                        '\n' => '\n',
+                        '\r' => '\n',
+                        '\u{2028}' => '\u{2028}',
+                        '\u{2029}' => '\u{2029}',
                         _ => unreachable!(),
                     }
-                    c
                 };
                 self.bump();
                 if let Some(ref mut cooked) = cooked {
                     cooked.push(c);
                 }
+                raw.push(c);
             } else {
                 self.bump();
                 if let Some(ref mut cooked) = cooked {

ecmascript/parser/src/lexer/tests.rs

@@ -1309,3 +1309,15 @@ fn issue_1272_2_js() {
     assert_eq!(tokens.len(), 1);
     assert_eq!(errors, vec![]);
 }
+
+#[test]
+fn normalize_tpl_carriage_return() {
+    assert_eq!(
+        lex_tokens(Syntax::default(), "`\r\n`"),
+        lex_tokens(Syntax::default(), "`\n`")
+    );
+    assert_eq!(
+        lex_tokens(Syntax::default(), "`\r`"),
+        lex_tokens(Syntax::default(), "`\n`")
+    );
+}