Support node 10

Author: sebastianquek

scripts/build_npm.ts

@@ -20,8 +20,8 @@ await build({
   },
   compilerOptions: {
     // https://github.com/microsoft/TypeScript/wiki/Node-Target-Mapping
-    lib: ["es2019"],
-    target: "ES2019",
+    lib: ["es2018"],
+    target: "ES2018",
   },
   package: {
     name: "serpapi",

src/utils.ts

@@ -53,8 +53,11 @@ export function extractNextParameters<E extends EngineName = EngineName>(json: {
 
   if (nextUrlString) {
     const nextUrl = new URL(nextUrlString);
-    const nextParameters = Object.fromEntries(nextUrl.searchParams.entries());
-    delete nextParameters["engine"];
+    const nextParameters: Record<string, string> = {};
+    for (const [k, v] of nextUrl.searchParams.entries()) {
+      if (k === "engine") continue;
+      nextParameters[k] = v;
+    }
     return nextParameters as NextParameters<E>;
   }
 }