From 4f93aa800c7c0f1152538cacb42b0ba943c568d2 Mon Sep 17 00:00:00 2001
From: tequ <git@tequ.dev>
Date: Fri, 6 Sep 2024 10:42:00 +0900
Subject: [PATCH] fix lint error

---
 packages/xrpl/src/models/transactions/common.ts | 8 +++++++-
 packages/xrpl/test/wallet/index.test.ts         | 4 ++++
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/packages/xrpl/src/models/transactions/common.ts b/packages/xrpl/src/models/transactions/common.ts
index 8189cf168b..4b86d2717c 100644
--- a/packages/xrpl/src/models/transactions/common.ts
+++ b/packages/xrpl/src/models/transactions/common.ts
@@ -363,7 +363,13 @@ export function validateTxAgainstCustomDefintions(
   definitions: XrplDefinitionsBase,
 ): void {
   // Validate just transaction type for now, leaving it open for further validations against the custom definition spec.
-  const txType = <string>tx.TransactionType
+  const txType = tx.TransactionType
+  if (typeof txType !== 'string') {
+    throw new ValidationError(
+      'TransactionType field is not specified or not a string',
+    )
+  }
+
   if (!definitions.transactionType[txType]) {
     throw new ValidationError(`Invalid transaction type: ${txType}`)
   }
diff --git a/packages/xrpl/test/wallet/index.test.ts b/packages/xrpl/test/wallet/index.test.ts
index f4c0e60fd1..53a578c68e 100644
--- a/packages/xrpl/test/wallet/index.test.ts
+++ b/packages/xrpl/test/wallet/index.test.ts
@@ -1211,6 +1211,8 @@ describe('Wallet', function () {
           value: '1',
         },
       }
+
+      // eslint-disable-next-line @typescript-eslint/no-explicit-any -- for unknown transaction
       const result = wallet.sign(tx as any, false, customDefinition)
       assert.deepEqual(result, {
         tx_blob: RESPONSE_FIXTURES.signCustomDefinition.signedTransaction,
@@ -1242,6 +1244,7 @@ describe('Wallet', function () {
         },
       }
       assert.throws(() => {
+        // eslint-disable-next-line @typescript-eslint/no-explicit-any -- for unknown transaction
         wallet.sign(tx as any, false, customDefinition)
       }, /^Invalid transaction type: SomeUnknown$/u)
     })
@@ -1251,6 +1254,7 @@ describe('Wallet', function () {
         rippled.definitions.customDefinition,
       )
       const result = wallet.sign(
+        // eslint-disable-next-line @typescript-eslint/no-explicit-any -- for unknown transaction
         REQUEST_FIXTURES.signAsCustomDefinition as any,
         true,
         customDefinition,