1

ast/test.js

+const generate = require(`@babel/generator`).default;
+const parser = require("@babel/parser");
+
+
+const {extractSignalsKeys, findInVar} = require('./extract')
+const fs = require("fs");
+const {traverse} = require("@babel/core");
+let sourceCode = fs.readFileSync('./decodeResult_ok.js', {encoding: "utf-8"});
+
+let ast = parser.parse(sourceCode);
+// signalKeys = extractSignalsKeys(ast)
+traverse(ast, {
+    VariableDeclaration(path) {
+        let {found, value} = findInVar({path, valueToFind: `["userAgent"]`, mode: `endsWith`, siblingKey: 1});
+        if (found) {
+            console.log(value)
+
+        }
+
+    }
+})

package.json

+{
+  "devDependencies": {
+    "@babel/core": "^7.23.3"
+  },
+  "dependencies": {
+    "@babel/core": "^7.22.10",
+    "abab": "^2.0.5",
+    "acorn": "^8.4.1",
+    "acorn-globals": "^6.0.0",
+    "canvas": "^2.11.2",
+    "cssom": "^0.5.0",
+    "cssstyle": "^2.3.0",
+    "data-urls": "^3.0.0",
+    "decimal.js": "^10.3.1",
+    "domexception": "^2.0.1",
+    "escodegen": "^2.0.0",
+    "express": "^4.18.2",
+    "fingerprint-generator": "^2.1.37",
+    "form-data": "^4.0.0",
+    "ghost-cursor": "^1.1.18",
+    "html-encoding-sniffer": "^2.0.1",
+    "http-proxy-agent": "^4.0.1",
+    "https-proxy-agent": "^5.0.0",
+    "is-potential-custom-element-name": "^1.0.1",
+    "json-schema-traverse": "^1.0.0",
+    "nwsapi": "^2.2.0",
+    "parse5": "6.0.1",
+    "saxes": "^5.0.1",
+    "symbol-tree": "^3.2.4",
+    "tough-cookie": "^4.1.3",
+    "w3c-hr-time": "^1.0.2",
+    "w3c-xmlserializer": "^2.0.0",
+    "webidl-conversions": "^6.1.0",
+    "whatwg-encoding": "^1.0.5",
+    "whatwg-mimetype": "^2.3.0",
+    "whatwg-url": "^9.0.0",
+    "ws": "^8.0.0",
+    "xml-name-validator": "^3.0.0"
+  }
+}

src/package.json

@@ -13,7 +13,6 @@
     "abab": "^2.0.5",
     "acorn": "^8.4.1",
     "acorn-globals": "^6.0.0",
-    "canvas": "^2.11.2",
     "cssom": "^0.5.0",
     "cssstyle": "^2.3.0",
     "data-urls": "^3.0.0",