fix(formatting): resolve eslint errors

Author: dineshpinto

examples/developer-hub-javascript/fdc_prepare_request.ts

@@ -1,7 +1,7 @@
 // Simple hex encoding
 function toHex(data) {
-  var result = "";
-  for (var i = 0; i < data.length; i++) {
+  let result = "";
+  for (let i = 0; i < data.length; i++) {
     result += data.charCodeAt(i).toString(16);
   }
   return result.padEnd(64, "0");
@@ -28,11 +28,11 @@ async function prepareRequest() {
     },
   };
   const response = await fetch(
-    `${BASE_URL}verifier/eth/EVMTransaction/prepareRequest`,
+    `${VERIFIER_BASE_URL}verifier/eth/EVMTransaction/prepareRequest`,
     {
       method: "POST",
       headers: {
-        "X-API-KEY": API_KEY,
+        "X-API-KEY": VERIFIER_API_KEY,
         "Content-Type": "application/json",
       },
       body: JSON.stringify(requestData),

examples/developer-hub-javascript/fdc_submit_request.ts

@@ -6,7 +6,7 @@ const firstVotingRoundStartTs = 1658429955;
 const votingEpochDurationSeconds = 90;
 
 // Valid only on coston. In production get the address from the ContractRegistry
-const FDC_HUB_ADDRESS = "0x1c78A073E3BD2aCa4cc327d55FB0cD4f0549B55b"; 
+const FDC_HUB_ADDRESS = "0x1c78A073E3BD2aCa4cc327d55FB0cD4f0549B55b";
 
 async function submitRequest() {
   const requestData = await prepareRequest();

examples/developer-hub-javascript/fdc_verify_proof.ts

@@ -20,7 +20,7 @@ async function submitProof() {
 }
 
 submitProof()
-  .then((data) => {
+  .then(() => {
     console.log("Submitted proof");
   })
   .catch((e) => {