diff --git a/package-lock.json b/package-lock.json
index a170aff..308e4c1 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
     "name": "monocart-coverage-reports",
-    "version": "2.10.2",
+    "version": "2.10.3",
     "lockfileVersion": 3,
     "requires": true,
     "packages": {
         "": {
             "name": "monocart-coverage-reports",
-            "version": "2.10.2",
+            "version": "2.10.3",
             "license": "MIT",
             "workspaces": [
                 "test"
@@ -3531,13 +3531,13 @@
             }
         },
         "node_modules/@puppeteer/browsers": {
-            "version": "2.3.0",
-            "resolved": "https://registry.npmjs.org/@puppeteer/browsers/-/browsers-2.3.0.tgz",
-            "integrity": "sha512-ioXoq9gPxkss4MYhD+SFaU9p1IHFUX0ILAWFPyjGaBdjLsYAlZw6j1iLA0N/m12uVHLFDfSYNF7EQccjinIMDA==",
+            "version": "2.3.1",
+            "resolved": "https://registry.npmjs.org/@puppeteer/browsers/-/browsers-2.3.1.tgz",
+            "integrity": "sha512-uK7o3hHkK+naEobMSJ+2ySYyXtQkBxIH8Gn4MK9ciePjNV+Pf+PgY/W7iPzn2MTjl3stcYB5AlcTmPYw7AXDwA==",
             "dev": true,
             "license": "Apache-2.0",
             "dependencies": {
-                "debug": "^4.3.5",
+                "debug": "^4.3.6",
                 "extract-zip": "^2.0.1",
                 "progress": "^2.0.3",
                 "proxy-agent": "^6.4.0",
@@ -11610,18 +11610,19 @@
             }
         },
         "node_modules/puppeteer": {
-            "version": "23.0.2",
-            "resolved": "https://registry.npmjs.org/puppeteer/-/puppeteer-23.0.2.tgz",
-            "integrity": "sha512-I/l1P8s8brcLG+oW9AwF8hUaOSGGJcGKMflXRgULUH0S3ABptlLI9ZKjqWDo8ipY6v789ZKd+bNKtcCwpTh5Ww==",
+            "version": "23.1.0",
+            "resolved": "https://registry.npmjs.org/puppeteer/-/puppeteer-23.1.0.tgz",
+            "integrity": "sha512-m+CyicDlGN1AVUeOsCa6/+KQydJzxfsPowL7fQy+VGNeaWafB0m8G5aGfXdfZztKMxzCsdz7KNNzbJPeG9wwFw==",
             "dev": true,
             "hasInstallScript": true,
             "license": "Apache-2.0",
             "dependencies": {
-                "@puppeteer/browsers": "2.3.0",
+                "@puppeteer/browsers": "2.3.1",
                 "chromium-bidi": "0.6.4",
                 "cosmiconfig": "^9.0.0",
                 "devtools-protocol": "0.0.1312386",
-                "puppeteer-core": "23.0.2"
+                "puppeteer-core": "23.1.0",
+                "typed-query-selector": "^2.12.0"
             },
             "bin": {
                 "puppeteer": "lib/cjs/puppeteer/node/cli.js"
@@ -11631,16 +11632,17 @@
             }
         },
         "node_modules/puppeteer-core": {
-            "version": "23.0.2",
-            "resolved": "https://registry.npmjs.org/puppeteer-core/-/puppeteer-core-23.0.2.tgz",
-            "integrity": "sha512-MvOHn+g1TYkAR2oVd/bf/YWXKqFTJmkhyyurYgxkrjh8rBOL1ZH5VyOsLJi0bLO7/yoipAmk1gFZEx9HUJnaoA==",
+            "version": "23.1.0",
+            "resolved": "https://registry.npmjs.org/puppeteer-core/-/puppeteer-core-23.1.0.tgz",
+            "integrity": "sha512-SvAsu+xnLN2FMXE/59bp3s3WXp8ewqUGzVV4AQtml/2xmsciZnU/bXcCW+eETHPWQ6Agg2vTI7QzWXPpEARK2g==",
             "dev": true,
             "license": "Apache-2.0",
             "dependencies": {
-                "@puppeteer/browsers": "2.3.0",
+                "@puppeteer/browsers": "2.3.1",
                 "chromium-bidi": "0.6.4",
                 "debug": "^4.3.6",
                 "devtools-protocol": "0.0.1312386",
+                "typed-query-selector": "^2.12.0",
                 "ws": "^8.18.0"
             },
             "engines": {
@@ -13581,6 +13583,13 @@
                 "node": ">= 0.6"
             }
         },
+        "node_modules/typed-query-selector": {
+            "version": "2.12.0",
+            "resolved": "https://registry.npmjs.org/typed-query-selector/-/typed-query-selector-2.12.0.tgz",
+            "integrity": "sha512-SbklCd1F0EiZOyPiW192rrHZzZ5sBijB6xM+cpmrwDqObvdtunOHHIk9fCGsoK5JVIYXoyEp4iEdE3upFH3PAg==",
+            "dev": true,
+            "license": "MIT"
+        },
         "node_modules/typescript": {
             "version": "5.5.4",
             "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.5.4.tgz",
@@ -14502,7 +14511,7 @@
                 "mocha": "^10.7.3",
                 "open": "^10.1.0",
                 "playwright": "^1.46.0",
-                "puppeteer": "^23.0.2",
+                "puppeteer": "^23.1.0",
                 "rollup": "^4.20.0",
                 "swc-loader": "^0.2.6",
                 "ts-loader": "^9.5.1",
diff --git a/test/mock/src/branch/branch.js b/test/mock/src/branch/branch.js
index 6894ee1..c353daf 100644
--- a/test/mock/src/branch/branch.js
+++ b/test/mock/src/branch/branch.js
@@ -6,6 +6,7 @@ const IfStatement = require('./if.js');
 const LogicalExpression = require('./logical.js');
 const SwitchStatement = require('./switch.js');
 const SwitchStatementNoBreak = require('./switch-no-break.js');
+const OptionalChaining = require('./optional-chaining.js');
 
 const uncoveredFunction = (a) => {
     const list = [1, 2, 3, 4, 5];
@@ -154,6 +155,7 @@ const branch = (a) => {
     LogicalExpression();
     SwitchStatement();
     SwitchStatementNoBreak();
+    OptionalChaining();
 };
 
 module.exports = {
diff --git a/test/mock/src/branch/optional-chaining.js b/test/mock/src/branch/optional-chaining.js
new file mode 100644
index 0000000..6076feb
--- /dev/null
+++ b/test/mock/src/branch/optional-chaining.js
@@ -0,0 +1,34 @@
+/**
+ * Currently, The `Optional chaining` will be counted as:
+ * ✅ bytes coverage
+ * ✅ lines coverage
+ * ❌ not branches coverage
+ */
+
+const adventurer = {
+    name: 'Alice',
+    cat: {
+        name: 'Dinah'
+    }
+};
+
+// obj.val?.prop
+// obj.val?.[expr]
+// obj.func?.(args)
+
+function OptionalChaining() {
+
+    console.log(adventurer.cat?.name);
+
+    // Expected output: undefined
+    console.log(adventurer.dog?.name);
+
+    // Expected output: undefined
+    console.log(adventurer.someNonExistentMethod?.());
+
+    console.log(adventurer.cat?.first?.second);
+}
+
+module.exports = () => {
+    OptionalChaining();
+};
diff --git a/test/package.json b/test/package.json
index 666d21f..444be31 100644
--- a/test/package.json
+++ b/test/package.json
@@ -21,7 +21,7 @@
         "mocha": "^10.7.3",
         "open": "^10.1.0",
         "playwright": "^1.46.0",
-        "puppeteer": "^23.0.2",
+        "puppeteer": "^23.1.0",
         "rollup": "^4.20.0",
         "swc-loader": "^0.2.6",
         "ts-loader": "^9.5.1",
diff --git a/test/snapshot/cli.snapshot.json b/test/snapshot/cli.snapshot.json
index 23d1489..b90555c 100644
--- a/test/snapshot/cli.snapshot.json
+++ b/test/snapshot/cli.snapshot.json
@@ -1,11 +1,11 @@
 {
     "type": "v8",
     "summary": {
-        "bytes": "53.59 %",
-        "statements": "56.61 %",
+        "bytes": "54.97 %",
+        "statements": "57.37 %",
         "branches": "52.42 %",
-        "functions": "50.54 %",
-        "lines": "45.58 %"
+        "functions": "51.58 %",
+        "lines": "46.29 %"
     },
     "files": {
         "test/mock/node/lib/app.js": {
@@ -65,11 +65,11 @@
         "test/mock/src/branch/branch.js": {
             "functions": "70.00 %",
             "branches": "65.85 %",
-            "statements": "85.14 %",
-            "lines": "74.34 %",
-            "bytes": "81.49 %",
-            "uncoveredLines": "10-20,28,57-60,74,81-83,108,119-124,136-139,144-146",
-            "extras": "1c,2b,9b,15b,17c,21b,26b,27c,30b,31c,35b,36c,37c,38c,39c,43b,45b,47b,56b,58c,61b,70b,72b,73c,76b,77c,85b,87b,98b,100b,105b,107c,111b,113b,115b,117b,118b,122c,125b,127b,134b,135b,137c,140b,141c,142c,150b,158b,162b"
+            "statements": "85.53 %",
+            "lines": "74.78 %",
+            "bytes": "81.98 %",
+            "uncoveredLines": "11-21,29,58-61,75,82-84,109,120-125,137-140,145-147",
+            "extras": "1c,2b,10b,16b,18c,22b,27b,28c,31b,32c,36b,37c,38c,39c,40c,44b,46b,48b,57b,59c,62b,71b,73b,74c,77b,78c,86b,88b,99b,101b,106b,108c,112b,114b,116b,118b,119b,123c,126b,128b,135b,136b,138c,141b,142c,143c,151b,160b,164b"
         },
         "test/mock/src/branch/conditional.js": {
             "functions": "100.00 %",
@@ -98,6 +98,15 @@
             "uncoveredLines": "22-23,33-34,38,45,48-49,59-60",
             "extras": "1c,2b,4b,10b,15b,19b,25b,29b,36b,40b,47b,51b,58b,62b,65b,66b,68b,73b,75b"
         },
+        "test/mock/src/branch/optional-chaining.js": {
+            "functions": "100.00 %",
+            "branches": "",
+            "statements": "100.00 %",
+            "lines": "80.00 %",
+            "bytes": "97.21 %",
+            "uncoveredLines": "24-29",
+            "extras": "1c,2c,3c,4c,5c,6c,7b,14b,15c,16c,17c,18b,20b,22b,23c,25b,26c,28b,31b,35b"
+        },
         "test/mock/src/branch/switch-no-break.js": {
             "functions": "100.00 %",
             "branches": "100.00 %",
diff --git a/test/snapshot/esbuild.snapshot.json b/test/snapshot/esbuild.snapshot.json
index 880c8aa..7ba7432 100644
--- a/test/snapshot/esbuild.snapshot.json
+++ b/test/snapshot/esbuild.snapshot.json
@@ -1,11 +1,11 @@
 {
     "type": "v8",
     "summary": {
-        "bytes": "82.76 %",
-        "statements": "83.73 %",
+        "bytes": "83.28 %",
+        "statements": "84.05 %",
         "branches": "60.08 %",
-        "functions": "84.16 %",
-        "lines": "72.48 %"
+        "functions": "84.62 %",
+        "lines": "72.70 %"
     },
     "files": {
         "src/async.js": {
@@ -29,11 +29,11 @@
         "src/branch/branch.js": {
             "functions": "72.73 %",
             "branches": "65.85 %",
-            "statements": "86.08 %",
-            "lines": "74.34 %",
-            "bytes": "81.46 %",
-            "uncoveredLines": "10-20,28,57-60,74,81-83,108,119-124,136-139,144-146",
-            "extras": "1c,2b,9b,15b,17c,21b,26b,27c,30b,31c,35b,36c,37c,38c,39c,43b,45b,47b,56b,58c,61b,70b,72b,73c,76b,77c,85b,87b,98b,100b,105b,107c,111b,113b,115b,117b,118b,122c,125b,127b,134b,135b,137c,140b,141c,142c,150b,158b,162b"
+            "statements": "86.42 %",
+            "lines": "74.78 %",
+            "bytes": "81.95 %",
+            "uncoveredLines": "11-21,29,58-61,75,82-84,109,120-125,137-140,145-147",
+            "extras": "1c,2b,10b,16b,18c,22b,27b,28c,31b,32c,36b,37c,38c,39c,40c,44b,46b,48b,57b,59c,62b,71b,73b,74c,77b,78c,86b,88b,99b,101b,106b,108c,112b,114b,116b,118b,119b,123c,126b,128b,135b,136b,138c,141b,142c,143c,151b,160b,164b"
         },
         "src/branch/conditional.js": {
             "functions": "100.00 %",
@@ -62,6 +62,15 @@
             "uncoveredLines": "22-23,33-34,38,45,48-49,59-60",
             "extras": "1c,2b,4b,10b,15b,19b,25b,29b,36b,40b,47b,51b,58b,62b,65b,66b,68b,73b,75b"
         },
+        "src/branch/optional-chaining.js": {
+            "functions": "100.00 %",
+            "branches": "",
+            "statements": "100.00 %",
+            "lines": "80.00 %",
+            "bytes": "97.21 %",
+            "uncoveredLines": "24-29",
+            "extras": "1c,2c,3c,4c,5c,6c,7b,14b,15c,16c,17c,18b,20b,22b,23c,25b,26c,28b,31b,35b"
+        },
         "src/branch/switch-no-break.js": {
             "functions": "100.00 %",
             "branches": "100.00 %",
diff --git a/test/snapshot/istanbul.snapshot.json b/test/snapshot/istanbul.snapshot.json
index ae63516..c696088 100644
--- a/test/snapshot/istanbul.snapshot.json
+++ b/test/snapshot/istanbul.snapshot.json
@@ -1,9 +1,9 @@
 {
     "type": "istanbul",
     "summary": {
-        "lines": "82.54 %",
-        "statements": "82.46 %",
-        "functions": "77.38 %",
+        "lines": "82.85 %",
+        "statements": "82.76 %",
+        "functions": "77.90 %",
         "branches": "58.80 %"
     },
     "files": {
@@ -24,11 +24,11 @@
             "extras": ""
         },
         "branch/branch.js": {
-            "lines": "86.48 %",
+            "lines": "86.84 %",
             "functions": "70.00 %",
-            "statements": "86.84 %",
+            "statements": "87.17 %",
             "branches": "65.85 %",
-            "uncoveredLines": "11-18,59,82,120-121,138",
+            "uncoveredLines": "12-19,60,83,121-122,139",
             "extras": ""
         },
         "branch/conditional.js": {
@@ -55,6 +55,14 @@
             "uncoveredLines": "",
             "extras": ""
         },
+        "branch/optional-chaining.js": {
+            "lines": "100.00 %",
+            "functions": "100.00 %",
+            "statements": "100.00 %",
+            "branches": "100.00 %",
+            "uncoveredLines": "",
+            "extras": ""
+        },
         "branch/switch-no-break.js": {
             "lines": "100.00 %",
             "functions": "100.00 %",
diff --git a/test/snapshot/merge.snapshot.json b/test/snapshot/merge.snapshot.json
index 0ac79b2..06d0bc5 100644
--- a/test/snapshot/merge.snapshot.json
+++ b/test/snapshot/merge.snapshot.json
@@ -1,11 +1,11 @@
 {
     "type": "v8",
     "summary": {
-        "bytes": "75.97 %",
-        "statements": "78.39 %",
+        "bytes": "76.57 %",
+        "statements": "78.73 %",
         "branches": "60.13 %",
-        "functions": "72.90 %",
-        "lines": "65.58 %"
+        "functions": "73.39 %",
+        "lines": "65.87 %"
     },
     "files": {
         "my-vm-filename.js": {
@@ -83,11 +83,11 @@
         "test/mock/src/branch/branch.js": {
             "functions": "70.00 %",
             "branches": "65.85 %",
-            "statements": "85.14 %",
-            "lines": "74.34 %",
-            "bytes": "81.49 %",
-            "uncoveredLines": "10-20,28,57-60,74,81-83,108,119-124,136-139,144-146",
-            "extras": "1c,2b,9b,15b,17c,21b,26b,27c,30b,31c,35b,36c,37c,38c,39c,43b,45b,47b,56b,58c,61b,70b,72b,73c,76b,77c,85b,87b,98b,100b,105b,107c,111b,113b,115b,117b,118b,122c,125b,127b,134b,135b,137c,140b,141c,142c,150b,158b,162b"
+            "statements": "85.53 %",
+            "lines": "74.78 %",
+            "bytes": "81.98 %",
+            "uncoveredLines": "11-21,29,58-61,75,82-84,109,120-125,137-140,145-147",
+            "extras": "1c,2b,10b,16b,18c,22b,27b,28c,31b,32c,36b,37c,38c,39c,40c,44b,46b,48b,57b,59c,62b,71b,73b,74c,77b,78c,86b,88b,99b,101b,106b,108c,112b,114b,116b,118b,119b,123c,126b,128b,135b,136b,138c,141b,142c,143c,151b,160b,164b"
         },
         "test/mock/src/branch/conditional.js": {
             "functions": "100.00 %",
@@ -116,6 +116,15 @@
             "uncoveredLines": "22-23,33-34,38,45,48-49,59-60",
             "extras": "1c,2b,4b,10b,15b,19b,25b,29b,36b,40b,47b,51b,58b,62b,65b,66b,68b,73b,75b"
         },
+        "test/mock/src/branch/optional-chaining.js": {
+            "functions": "100.00 %",
+            "branches": "",
+            "statements": "100.00 %",
+            "lines": "80.00 %",
+            "bytes": "97.21 %",
+            "uncoveredLines": "24-29",
+            "extras": "1c,2c,3c,4c,5c,6c,7b,14b,15c,16c,17c,18b,20b,22b,23c,25b,26c,28b,31b,35b"
+        },
         "test/mock/src/branch/switch-no-break.js": {
             "functions": "100.00 %",
             "branches": "100.00 %",
diff --git a/test/snapshot/node-api.snapshot.json b/test/snapshot/node-api.snapshot.json
index d4bcbc1..8dfe069 100644
--- a/test/snapshot/node-api.snapshot.json
+++ b/test/snapshot/node-api.snapshot.json
@@ -1,11 +1,11 @@
 {
     "type": "v8",
     "summary": {
-        "bytes": "83.86 %",
-        "statements": "84.58 %",
+        "bytes": "84.48 %",
+        "statements": "84.96 %",
         "branches": "60.94 %",
-        "functions": "88.89 %",
-        "lines": "71.53 %"
+        "functions": "89.29 %",
+        "lines": "71.85 %"
     },
     "files": {
         "monocart-coverage-reports/test/mock/node/src/index.js": {
@@ -29,11 +29,11 @@
         "monocart-coverage-reports/test/mock/src/branch/branch.js": {
             "functions": "70.00 %",
             "branches": "65.85 %",
-            "statements": "85.14 %",
-            "lines": "74.34 %",
-            "bytes": "81.49 %",
-            "uncoveredLines": "10-20,28,57-60,74,81-83,108,119-124,136-139,144-146",
-            "extras": "1c,2b,9b,15b,17c,21b,26b,27c,30b,31c,35b,36c,37c,38c,39c,43b,45b,47b,56b,58c,61b,70b,72b,73c,76b,77c,85b,87b,98b,100b,105b,107c,111b,113b,115b,117b,118b,122c,125b,127b,134b,135b,137c,140b,141c,142c,150b,158b,162b"
+            "statements": "85.53 %",
+            "lines": "74.78 %",
+            "bytes": "81.98 %",
+            "uncoveredLines": "11-21,29,58-61,75,82-84,109,120-125,137-140,145-147",
+            "extras": "1c,2b,10b,16b,18c,22b,27b,28c,31b,32c,36b,37c,38c,39c,40c,44b,46b,48b,57b,59c,62b,71b,73b,74c,77b,78c,86b,88b,99b,101b,106b,108c,112b,114b,116b,118b,119b,123c,126b,128b,135b,136b,138c,141b,142c,143c,151b,160b,164b"
         },
         "monocart-coverage-reports/test/mock/src/branch/conditional.js": {
             "functions": "100.00 %",
@@ -62,6 +62,15 @@
             "uncoveredLines": "22-23,33-34,38,45,48-49,59-60",
             "extras": "1c,2b,4b,10b,15b,19b,25b,29b,36b,40b,47b,51b,58b,62b,65b,66b,68b,73b,75b"
         },
+        "monocart-coverage-reports/test/mock/src/branch/optional-chaining.js": {
+            "functions": "100.00 %",
+            "branches": "",
+            "statements": "100.00 %",
+            "lines": "80.00 %",
+            "bytes": "97.21 %",
+            "uncoveredLines": "24-29",
+            "extras": "1c,2c,3c,4c,5c,6c,7b,14b,15c,16c,17c,18b,20b,22b,23c,25b,26c,28b,31b,35b"
+        },
         "monocart-coverage-reports/test/mock/src/branch/switch-no-break.js": {
             "functions": "100.00 %",
             "branches": "100.00 %",
diff --git a/test/snapshot/node-cdp.snapshot.json b/test/snapshot/node-cdp.snapshot.json
index d4bcbc1..8dfe069 100644
--- a/test/snapshot/node-cdp.snapshot.json
+++ b/test/snapshot/node-cdp.snapshot.json
@@ -1,11 +1,11 @@
 {
     "type": "v8",
     "summary": {
-        "bytes": "83.86 %",
-        "statements": "84.58 %",
+        "bytes": "84.48 %",
+        "statements": "84.96 %",
         "branches": "60.94 %",
-        "functions": "88.89 %",
-        "lines": "71.53 %"
+        "functions": "89.29 %",
+        "lines": "71.85 %"
     },
     "files": {
         "monocart-coverage-reports/test/mock/node/src/index.js": {
@@ -29,11 +29,11 @@
         "monocart-coverage-reports/test/mock/src/branch/branch.js": {
             "functions": "70.00 %",
             "branches": "65.85 %",
-            "statements": "85.14 %",
-            "lines": "74.34 %",
-            "bytes": "81.49 %",
-            "uncoveredLines": "10-20,28,57-60,74,81-83,108,119-124,136-139,144-146",
-            "extras": "1c,2b,9b,15b,17c,21b,26b,27c,30b,31c,35b,36c,37c,38c,39c,43b,45b,47b,56b,58c,61b,70b,72b,73c,76b,77c,85b,87b,98b,100b,105b,107c,111b,113b,115b,117b,118b,122c,125b,127b,134b,135b,137c,140b,141c,142c,150b,158b,162b"
+            "statements": "85.53 %",
+            "lines": "74.78 %",
+            "bytes": "81.98 %",
+            "uncoveredLines": "11-21,29,58-61,75,82-84,109,120-125,137-140,145-147",
+            "extras": "1c,2b,10b,16b,18c,22b,27b,28c,31b,32c,36b,37c,38c,39c,40c,44b,46b,48b,57b,59c,62b,71b,73b,74c,77b,78c,86b,88b,99b,101b,106b,108c,112b,114b,116b,118b,119b,123c,126b,128b,135b,136b,138c,141b,142c,143c,151b,160b,164b"
         },
         "monocart-coverage-reports/test/mock/src/branch/conditional.js": {
             "functions": "100.00 %",
@@ -62,6 +62,15 @@
             "uncoveredLines": "22-23,33-34,38,45,48-49,59-60",
             "extras": "1c,2b,4b,10b,15b,19b,25b,29b,36b,40b,47b,51b,58b,62b,65b,66b,68b,73b,75b"
         },
+        "monocart-coverage-reports/test/mock/src/branch/optional-chaining.js": {
+            "functions": "100.00 %",
+            "branches": "",
+            "statements": "100.00 %",
+            "lines": "80.00 %",
+            "bytes": "97.21 %",
+            "uncoveredLines": "24-29",
+            "extras": "1c,2c,3c,4c,5c,6c,7b,14b,15c,16c,17c,18b,20b,22b,23c,25b,26c,28b,31b,35b"
+        },
         "monocart-coverage-reports/test/mock/src/branch/switch-no-break.js": {
             "functions": "100.00 %",
             "branches": "100.00 %",
diff --git a/test/snapshot/node-env.snapshot.json b/test/snapshot/node-env.snapshot.json
index d4bcbc1..8dfe069 100644
--- a/test/snapshot/node-env.snapshot.json
+++ b/test/snapshot/node-env.snapshot.json
@@ -1,11 +1,11 @@
 {
     "type": "v8",
     "summary": {
-        "bytes": "83.86 %",
-        "statements": "84.58 %",
+        "bytes": "84.48 %",
+        "statements": "84.96 %",
         "branches": "60.94 %",
-        "functions": "88.89 %",
-        "lines": "71.53 %"
+        "functions": "89.29 %",
+        "lines": "71.85 %"
     },
     "files": {
         "monocart-coverage-reports/test/mock/node/src/index.js": {
@@ -29,11 +29,11 @@
         "monocart-coverage-reports/test/mock/src/branch/branch.js": {
             "functions": "70.00 %",
             "branches": "65.85 %",
-            "statements": "85.14 %",
-            "lines": "74.34 %",
-            "bytes": "81.49 %",
-            "uncoveredLines": "10-20,28,57-60,74,81-83,108,119-124,136-139,144-146",
-            "extras": "1c,2b,9b,15b,17c,21b,26b,27c,30b,31c,35b,36c,37c,38c,39c,43b,45b,47b,56b,58c,61b,70b,72b,73c,76b,77c,85b,87b,98b,100b,105b,107c,111b,113b,115b,117b,118b,122c,125b,127b,134b,135b,137c,140b,141c,142c,150b,158b,162b"
+            "statements": "85.53 %",
+            "lines": "74.78 %",
+            "bytes": "81.98 %",
+            "uncoveredLines": "11-21,29,58-61,75,82-84,109,120-125,137-140,145-147",
+            "extras": "1c,2b,10b,16b,18c,22b,27b,28c,31b,32c,36b,37c,38c,39c,40c,44b,46b,48b,57b,59c,62b,71b,73b,74c,77b,78c,86b,88b,99b,101b,106b,108c,112b,114b,116b,118b,119b,123c,126b,128b,135b,136b,138c,141b,142c,143c,151b,160b,164b"
         },
         "monocart-coverage-reports/test/mock/src/branch/conditional.js": {
             "functions": "100.00 %",
@@ -62,6 +62,15 @@
             "uncoveredLines": "22-23,33-34,38,45,48-49,59-60",
             "extras": "1c,2b,4b,10b,15b,19b,25b,29b,36b,40b,47b,51b,58b,62b,65b,66b,68b,73b,75b"
         },
+        "monocart-coverage-reports/test/mock/src/branch/optional-chaining.js": {
+            "functions": "100.00 %",
+            "branches": "",
+            "statements": "100.00 %",
+            "lines": "80.00 %",
+            "bytes": "97.21 %",
+            "uncoveredLines": "24-29",
+            "extras": "1c,2c,3c,4c,5c,6c,7b,14b,15c,16c,17c,18b,20b,22b,23c,25b,26c,28b,31b,35b"
+        },
         "monocart-coverage-reports/test/mock/src/branch/switch-no-break.js": {
             "functions": "100.00 %",
             "branches": "100.00 %",
diff --git a/test/snapshot/node-fgc.snapshot.json b/test/snapshot/node-fgc.snapshot.json
index d4bcbc1..8dfe069 100644
--- a/test/snapshot/node-fgc.snapshot.json
+++ b/test/snapshot/node-fgc.snapshot.json
@@ -1,11 +1,11 @@
 {
     "type": "v8",
     "summary": {
-        "bytes": "83.86 %",
-        "statements": "84.58 %",
+        "bytes": "84.48 %",
+        "statements": "84.96 %",
         "branches": "60.94 %",
-        "functions": "88.89 %",
-        "lines": "71.53 %"
+        "functions": "89.29 %",
+        "lines": "71.85 %"
     },
     "files": {
         "monocart-coverage-reports/test/mock/node/src/index.js": {
@@ -29,11 +29,11 @@
         "monocart-coverage-reports/test/mock/src/branch/branch.js": {
             "functions": "70.00 %",
             "branches": "65.85 %",
-            "statements": "85.14 %",
-            "lines": "74.34 %",
-            "bytes": "81.49 %",
-            "uncoveredLines": "10-20,28,57-60,74,81-83,108,119-124,136-139,144-146",
-            "extras": "1c,2b,9b,15b,17c,21b,26b,27c,30b,31c,35b,36c,37c,38c,39c,43b,45b,47b,56b,58c,61b,70b,72b,73c,76b,77c,85b,87b,98b,100b,105b,107c,111b,113b,115b,117b,118b,122c,125b,127b,134b,135b,137c,140b,141c,142c,150b,158b,162b"
+            "statements": "85.53 %",
+            "lines": "74.78 %",
+            "bytes": "81.98 %",
+            "uncoveredLines": "11-21,29,58-61,75,82-84,109,120-125,137-140,145-147",
+            "extras": "1c,2b,10b,16b,18c,22b,27b,28c,31b,32c,36b,37c,38c,39c,40c,44b,46b,48b,57b,59c,62b,71b,73b,74c,77b,78c,86b,88b,99b,101b,106b,108c,112b,114b,116b,118b,119b,123c,126b,128b,135b,136b,138c,141b,142c,143c,151b,160b,164b"
         },
         "monocart-coverage-reports/test/mock/src/branch/conditional.js": {
             "functions": "100.00 %",
@@ -62,6 +62,15 @@
             "uncoveredLines": "22-23,33-34,38,45,48-49,59-60",
             "extras": "1c,2b,4b,10b,15b,19b,25b,29b,36b,40b,47b,51b,58b,62b,65b,66b,68b,73b,75b"
         },
+        "monocart-coverage-reports/test/mock/src/branch/optional-chaining.js": {
+            "functions": "100.00 %",
+            "branches": "",
+            "statements": "100.00 %",
+            "lines": "80.00 %",
+            "bytes": "97.21 %",
+            "uncoveredLines": "24-29",
+            "extras": "1c,2c,3c,4c,5c,6c,7b,14b,15c,16c,17c,18b,20b,22b,23c,25b,26c,28b,31b,35b"
+        },
         "monocart-coverage-reports/test/mock/src/branch/switch-no-break.js": {
             "functions": "100.00 %",
             "branches": "100.00 %",
diff --git a/test/snapshot/node-ins.snapshot.json b/test/snapshot/node-ins.snapshot.json
index d4bcbc1..8dfe069 100644
--- a/test/snapshot/node-ins.snapshot.json
+++ b/test/snapshot/node-ins.snapshot.json
@@ -1,11 +1,11 @@
 {
     "type": "v8",
     "summary": {
-        "bytes": "83.86 %",
-        "statements": "84.58 %",
+        "bytes": "84.48 %",
+        "statements": "84.96 %",
         "branches": "60.94 %",
-        "functions": "88.89 %",
-        "lines": "71.53 %"
+        "functions": "89.29 %",
+        "lines": "71.85 %"
     },
     "files": {
         "monocart-coverage-reports/test/mock/node/src/index.js": {
@@ -29,11 +29,11 @@
         "monocart-coverage-reports/test/mock/src/branch/branch.js": {
             "functions": "70.00 %",
             "branches": "65.85 %",
-            "statements": "85.14 %",
-            "lines": "74.34 %",
-            "bytes": "81.49 %",
-            "uncoveredLines": "10-20,28,57-60,74,81-83,108,119-124,136-139,144-146",
-            "extras": "1c,2b,9b,15b,17c,21b,26b,27c,30b,31c,35b,36c,37c,38c,39c,43b,45b,47b,56b,58c,61b,70b,72b,73c,76b,77c,85b,87b,98b,100b,105b,107c,111b,113b,115b,117b,118b,122c,125b,127b,134b,135b,137c,140b,141c,142c,150b,158b,162b"
+            "statements": "85.53 %",
+            "lines": "74.78 %",
+            "bytes": "81.98 %",
+            "uncoveredLines": "11-21,29,58-61,75,82-84,109,120-125,137-140,145-147",
+            "extras": "1c,2b,10b,16b,18c,22b,27b,28c,31b,32c,36b,37c,38c,39c,40c,44b,46b,48b,57b,59c,62b,71b,73b,74c,77b,78c,86b,88b,99b,101b,106b,108c,112b,114b,116b,118b,119b,123c,126b,128b,135b,136b,138c,141b,142c,143c,151b,160b,164b"
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         "monocart-coverage-reports/test/mock/src/branch/conditional.js": {
             "functions": "100.00 %",
@@ -62,6 +62,15 @@
             "uncoveredLines": "22-23,33-34,38,45,48-49,59-60",
             "extras": "1c,2b,4b,10b,15b,19b,25b,29b,36b,40b,47b,51b,58b,62b,65b,66b,68b,73b,75b"
         },
+        "monocart-coverage-reports/test/mock/src/branch/optional-chaining.js": {
+            "functions": "100.00 %",
+            "branches": "",
+            "statements": "100.00 %",
+            "lines": "80.00 %",
+            "bytes": "97.21 %",
+            "uncoveredLines": "24-29",
+            "extras": "1c,2c,3c,4c,5c,6c,7b,14b,15c,16c,17c,18b,20b,22b,23c,25b,26c,28b,31b,35b"
+        },
         "monocart-coverage-reports/test/mock/src/branch/switch-no-break.js": {
             "functions": "100.00 %",
             "branches": "100.00 %",
diff --git a/test/snapshot/puppeteer.snapshot.json b/test/snapshot/puppeteer.snapshot.json
index 68d6e53..4e05f69 100644
--- a/test/snapshot/puppeteer.snapshot.json
+++ b/test/snapshot/puppeteer.snapshot.json
@@ -1,11 +1,11 @@
 {
     "type": "v8",
     "summary": {
-        "bytes": "76.46 %",
-        "statements": "82.44 %",
+        "bytes": "77.13 %",
+        "statements": "82.77 %",
         "branches": "60.39 %",
-        "functions": "79.52 %",
-        "lines": "65.92 %"
+        "functions": "80.00 %",
+        "lines": "66.24 %"
     },
     "files": {
         "test/mock/css/style.css": {
@@ -38,11 +38,11 @@
         "test/mock/src/branch/branch.js": {
             "functions": "70.00 %",
             "branches": "65.85 %",
-            "statements": "85.14 %",
-            "lines": "74.34 %",
-            "bytes": "81.49 %",
-            "uncoveredLines": "10-20,28,57-60,74,81-83,108,119-124,136-139,144-146",
-            "extras": "1c,2b,9b,15b,17c,21b,26b,27c,30b,31c,35b,36c,37c,38c,39c,43b,45b,47b,56b,58c,61b,70b,72b,73c,76b,77c,85b,87b,98b,100b,105b,107c,111b,113b,115b,117b,118b,122c,125b,127b,134b,135b,137c,140b,141c,142c,150b,158b,162b"
+            "statements": "85.53 %",
+            "lines": "74.78 %",
+            "bytes": "81.98 %",
+            "uncoveredLines": "11-21,29,58-61,75,82-84,109,120-125,137-140,145-147",
+            "extras": "1c,2b,10b,16b,18c,22b,27b,28c,31b,32c,36b,37c,38c,39c,40c,44b,46b,48b,57b,59c,62b,71b,73b,74c,77b,78c,86b,88b,99b,101b,106b,108c,112b,114b,116b,118b,119b,123c,126b,128b,135b,136b,138c,141b,142c,143c,151b,160b,164b"
         },
         "test/mock/src/branch/conditional.js": {
             "functions": "100.00 %",
@@ -71,6 +71,15 @@
             "uncoveredLines": "22-23,33-34,38,45,48-49,59-60",
             "extras": "1c,2b,4b,10b,15b,19b,25b,29b,36b,40b,47b,51b,58b,62b,65b,66b,68b,73b,75b"
         },
+        "test/mock/src/branch/optional-chaining.js": {
+            "functions": "100.00 %",
+            "branches": "",
+            "statements": "100.00 %",
+            "lines": "80.00 %",
+            "bytes": "97.21 %",
+            "uncoveredLines": "24-29",
+            "extras": "1c,2c,3c,4c,5c,6c,7b,14b,15c,16c,17c,18b,20b,22b,23c,25b,26c,28b,31b,35b"
+        },
         "test/mock/src/branch/switch-no-break.js": {
             "functions": "100.00 %",
             "branches": "100.00 %",
diff --git a/test/snapshot/rollup.snapshot.json b/test/snapshot/rollup.snapshot.json
index a84269e..8316ade 100644
--- a/test/snapshot/rollup.snapshot.json
+++ b/test/snapshot/rollup.snapshot.json
@@ -1,11 +1,11 @@
 {
     "type": "v8",
     "summary": {
-        "bytes": "82.76 %",
-        "statements": "82.46 %",
+        "bytes": "83.28 %",
+        "statements": "82.79 %",
         "branches": "60.08 %",
-        "functions": "80.25 %",
-        "lines": "72.48 %"
+        "functions": "80.72 %",
+        "lines": "72.70 %"
     },
     "files": {
         "src/async.js": {
@@ -29,11 +29,11 @@
         "src/branch/branch.js": {
             "functions": "70.00 %",
             "branches": "65.85 %",
-            "statements": "85.14 %",
-            "lines": "74.34 %",
-            "bytes": "81.46 %",
-            "uncoveredLines": "10-20,28,57-60,74,81-83,108,119-124,136-139,144-146",
-            "extras": "1c,2b,9b,15b,17c,21b,26b,27c,30b,31c,35b,36c,37c,38c,39c,43b,45b,47b,56b,58c,61b,70b,72b,73c,76b,77c,85b,87b,98b,100b,105b,107c,111b,113b,115b,117b,118b,122c,125b,127b,134b,135b,137c,140b,141c,142c,150b,158b,162b"
+            "statements": "85.53 %",
+            "lines": "74.78 %",
+            "bytes": "81.95 %",
+            "uncoveredLines": "11-21,29,58-61,75,82-84,109,120-125,137-140,145-147",
+            "extras": "1c,2b,10b,16b,18c,22b,27b,28c,31b,32c,36b,37c,38c,39c,40c,44b,46b,48b,57b,59c,62b,71b,73b,74c,77b,78c,86b,88b,99b,101b,106b,108c,112b,114b,116b,118b,119b,123c,126b,128b,135b,136b,138c,141b,142c,143c,151b,160b,164b"
         },
         "src/branch/conditional.js": {
             "functions": "100.00 %",
@@ -62,6 +62,15 @@
             "uncoveredLines": "22-23,33-34,38,45,48-49,59-60",
             "extras": "1c,2b,4b,10b,15b,19b,25b,29b,36b,40b,47b,51b,58b,62b,65b,66b,68b,73b,75b"
         },
+        "src/branch/optional-chaining.js": {
+            "functions": "100.00 %",
+            "branches": "",
+            "statements": "100.00 %",
+            "lines": "80.00 %",
+            "bytes": "97.21 %",
+            "uncoveredLines": "24-29",
+            "extras": "1c,2c,3c,4c,5c,6c,7b,14b,15c,16c,17c,18b,20b,22b,23c,25b,26c,28b,31b,35b"
+        },
         "src/branch/switch-no-break.js": {
             "functions": "100.00 %",
             "branches": "100.00 %",
diff --git a/test/snapshot/swc.snapshot.json b/test/snapshot/swc.snapshot.json
index 96aa1cc..67f0d35 100644
--- a/test/snapshot/swc.snapshot.json
+++ b/test/snapshot/swc.snapshot.json
@@ -1,11 +1,11 @@
 {
     "type": "v8",
     "summary": {
-        "bytes": "82.76 %",
-        "statements": "83.05 %",
-        "branches": "60.08 %",
-        "functions": "80.49 %",
-        "lines": "72.48 %"
+        "bytes": "83.28 %",
+        "statements": "83.39 %",
+        "branches": "61.05 %",
+        "functions": "80.95 %",
+        "lines": "72.70 %"
     },
     "files": {
         "src/async.js": {
@@ -29,11 +29,11 @@
         "src/branch/branch.js": {
             "functions": "70.00 %",
             "branches": "65.85 %",
-            "statements": "85.90 %",
-            "lines": "74.34 %",
-            "bytes": "81.46 %",
-            "uncoveredLines": "10-20,28,57-60,74,81-83,108,119-124,136-139,144-146",
-            "extras": "1c,2b,9b,15b,17c,21b,26b,27c,30b,31c,35b,36c,37c,38c,39c,43b,45b,47b,56b,58c,61b,70b,72b,73c,76b,77c,85b,87b,98b,100b,105b,107c,111b,113b,115b,117b,118b,122c,125b,127b,134b,135b,137c,140b,141c,142c,150b,158b,162b"
+            "statements": "86.25 %",
+            "lines": "74.78 %",
+            "bytes": "81.95 %",
+            "uncoveredLines": "11-21,29,58-61,75,82-84,109,120-125,137-140,145-147",
+            "extras": "1c,2b,10b,16b,18c,22b,27b,28c,31b,32c,36b,37c,38c,39c,40c,44b,46b,48b,57b,59c,62b,71b,73b,74c,77b,78c,86b,88b,99b,101b,106b,108c,112b,114b,116b,118b,119b,123c,126b,128b,135b,136b,138c,141b,142c,143c,151b,160b,164b"
         },
         "src/branch/conditional.js": {
             "functions": "100.00 %",
@@ -62,6 +62,15 @@
             "uncoveredLines": "22-23,33-34,38,45,48-49,59-60",
             "extras": "1c,2b,4b,10b,15b,19b,25b,29b,36b,40b,47b,51b,58b,62b,65b,66b,68b,73b,75b"
         },
+        "src/branch/optional-chaining.js": {
+            "functions": "100.00 %",
+            "branches": "78.57 %",
+            "statements": "100.00 %",
+            "lines": "80.00 %",
+            "bytes": "97.21 %",
+            "uncoveredLines": "21,27-29",
+            "extras": "1c,2c,3c,4c,5c,6c,7b,14b,15c,16c,17c,18b,20b,22b,23c,25b,26c,28b,31b,35b"
+        },
         "src/branch/switch-no-break.js": {
             "functions": "100.00 %",
             "branches": "100.00 %",
diff --git a/test/snapshot/v8.snapshot.json b/test/snapshot/v8.snapshot.json
index 68d6e53..4e05f69 100644
--- a/test/snapshot/v8.snapshot.json
+++ b/test/snapshot/v8.snapshot.json
@@ -1,11 +1,11 @@
 {
     "type": "v8",
     "summary": {
-        "bytes": "76.46 %",
-        "statements": "82.44 %",
+        "bytes": "77.13 %",
+        "statements": "82.77 %",
         "branches": "60.39 %",
-        "functions": "79.52 %",
-        "lines": "65.92 %"
+        "functions": "80.00 %",
+        "lines": "66.24 %"
     },
     "files": {
         "test/mock/css/style.css": {
@@ -38,11 +38,11 @@
         "test/mock/src/branch/branch.js": {
             "functions": "70.00 %",
             "branches": "65.85 %",
-            "statements": "85.14 %",
-            "lines": "74.34 %",
-            "bytes": "81.49 %",
-            "uncoveredLines": "10-20,28,57-60,74,81-83,108,119-124,136-139,144-146",
-            "extras": "1c,2b,9b,15b,17c,21b,26b,27c,30b,31c,35b,36c,37c,38c,39c,43b,45b,47b,56b,58c,61b,70b,72b,73c,76b,77c,85b,87b,98b,100b,105b,107c,111b,113b,115b,117b,118b,122c,125b,127b,134b,135b,137c,140b,141c,142c,150b,158b,162b"
+            "statements": "85.53 %",
+            "lines": "74.78 %",
+            "bytes": "81.98 %",
+            "uncoveredLines": "11-21,29,58-61,75,82-84,109,120-125,137-140,145-147",
+            "extras": "1c,2b,10b,16b,18c,22b,27b,28c,31b,32c,36b,37c,38c,39c,40c,44b,46b,48b,57b,59c,62b,71b,73b,74c,77b,78c,86b,88b,99b,101b,106b,108c,112b,114b,116b,118b,119b,123c,126b,128b,135b,136b,138c,141b,142c,143c,151b,160b,164b"
         },
         "test/mock/src/branch/conditional.js": {
             "functions": "100.00 %",
@@ -71,6 +71,15 @@
             "uncoveredLines": "22-23,33-34,38,45,48-49,59-60",
             "extras": "1c,2b,4b,10b,15b,19b,25b,29b,36b,40b,47b,51b,58b,62b,65b,66b,68b,73b,75b"
         },
+        "test/mock/src/branch/optional-chaining.js": {
+            "functions": "100.00 %",
+            "branches": "",
+            "statements": "100.00 %",
+            "lines": "80.00 %",
+            "bytes": "97.21 %",
+            "uncoveredLines": "24-29",
+            "extras": "1c,2c,3c,4c,5c,6c,7b,14b,15c,16c,17c,18b,20b,22b,23c,25b,26c,28b,31b,35b"
+        },
         "test/mock/src/branch/switch-no-break.js": {
             "functions": "100.00 %",
             "branches": "100.00 %",