diff --git a/.eslintrc.js b/.eslintrc
similarity index 78%
rename from .eslintrc.js
rename to .eslintrc
index 8df4201d..754a9f38 100644
--- a/.eslintrc.js
+++ b/.eslintrc
@@ -1,16 +1,16 @@
-module.exports = {
+{
     "env": {
         "browser": true,
         "commonjs": true,
         "es2021": true,
-        "node": true
+        "node": true,
+        "mocha": true
     },
     "extends": [
         "eslint:recommended",
         "plugin:@typescript-eslint/recommended"
     ],
     "ignorePatterns": [
-        "test/**/*.js"
     ],
     "overrides": [
         {
@@ -33,5 +33,12 @@ module.exports = {
         "@typescript-eslint"
     ],
     "rules": {
+        "quotes": [
+            "error",
+            "double",
+            {
+                "avoidEscape": true
+            }
+        ],
     },
-}
+}
\ No newline at end of file
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 24198077..613b189e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -23,5 +23,6 @@ jobs:
         node-version: ${{ matrix.node-version }}
         cache: 'npm'
     - run: npm ci
+    - run: npm run lint
     - run: npm run build
     - run: npm test
diff --git a/package.json b/package.json
index f19d377a..ee5ed2a9 100644
--- a/package.json
+++ b/package.json
@@ -21,7 +21,8 @@
     "build-esm": "tsc -p ./",
     "clean": "rimraf dist dist-esm",
     "dev": "rollup --config --watch",
-    "lint": "eslint",
+    "lint": "eslint src/ test/",
+    "fix-lint": "eslint src/ test/ --fix",
     "test": "mocha --timeout 10000"
   },
   "repository": {
diff --git a/src/Load.ts b/src/Load.ts
index a4758c5c..e60417f0 100644
--- a/src/Load.ts
+++ b/src/Load.ts
@@ -28,7 +28,7 @@ export async function load(
             try {
                 endpoint = new URL(endpoint);
             } catch (error) {
-                if (error.code === 'ERR_INVALID_URL') {
+                if (error.code === "ERR_INVALID_URL") {
                     throw new Error("Invalid Endpoint URL.", { cause: error });
                 } else {
                     throw error;
diff --git a/test/.eslintrc b/test/.eslintrc
new file mode 100644
index 00000000..a9331162
--- /dev/null
+++ b/test/.eslintrc
@@ -0,0 +1,5 @@
+{
+    "rules": {
+        "@typescript-eslint/no-var-requires": "off"
+    }
+}
\ No newline at end of file
diff --git a/test/clientOptions.test.js b/test/clientOptions.test.js
index e2aa5fc9..ebd615b2 100644
--- a/test/clientOptions.test.js
+++ b/test/clientOptions.test.js
@@ -7,7 +7,7 @@ chai.use(chaiAsPromised);
 const expect = chai.expect;
 const { load } = require("../dist/index");
 const { createMockedConnectionString } = require("./utils/testHelper");
-const nock = require('nock');
+const nock = require("nock");
 
 class HttpRequestCountPolicy {
     constructor() {
@@ -21,7 +21,7 @@ class HttpRequestCountPolicy {
     resetCount() {
         this.count = 0;
     }
-};
+}
 
 describe("custom client options", function () {
     const fakeEndpoint = "https://azure.azconfig.io";
diff --git a/test/keyvault.test.js b/test/keyvault.test.js
index 3332512a..02d676d7 100644
--- a/test/keyvault.test.js
+++ b/test/keyvault.test.js
@@ -20,11 +20,13 @@ const mockedData = [
 ];
 
 function mockAppConfigurationClient() {
+    // eslint-disable-next-line @typescript-eslint/no-unused-vars
     const kvs = mockedData.map(([key, vaultUri, _value]) => createMockedKeyVaultReference(key, vaultUri));
     mockAppConfigurationClientListConfigurationSettings(kvs);
 }
 
 function mockNewlyCreatedKeyVaultSecretClients() {
+    // eslint-disable-next-line @typescript-eslint/no-unused-vars
     mockSecretClientGetSecret(mockedData.map(([_key, secretUri, value]) => [secretUri, value]));
 }
 describe("key vault reference", function () {
diff --git a/test/load.test.js b/test/load.test.js
index 1ff74c3c..5a8682a9 100644
--- a/test/load.test.js
+++ b/test/load.test.js
@@ -15,49 +15,49 @@ const {
 } = require("./utils/testHelper");
 
 const mockedKVs = [{
-    value: 'red',
-    key: 'app.settings.fontColor',
+    value: "red",
+    key: "app.settings.fontColor",
     label: null,
-    contentType: '',
-    lastModified: '2023-05-04T04:34:24.000Z',
+    contentType: "",
+    lastModified: "2023-05-04T04:34:24.000Z",
     tags: {},
-    etag: '210fjkPIWZMjFTi_qyEEmmsJjtUjj0YQl-Y3s1m6GLw',
+    etag: "210fjkPIWZMjFTi_qyEEmmsJjtUjj0YQl-Y3s1m6GLw",
     isReadOnly: false
 }, {
-    value: '40',
-    key: 'app.settings.fontSize',
+    value: "40",
+    key: "app.settings.fontSize",
     label: null,
-    contentType: '',
-    lastModified: '2023-05-04T04:32:56.000Z',
+    contentType: "",
+    lastModified: "2023-05-04T04:32:56.000Z",
     tags: {},
-    etag: 'GdmsLWq3mFjFodVEXUYRmvFr3l_qRiKAW_KdpFbxZKk',
+    etag: "GdmsLWq3mFjFodVEXUYRmvFr3l_qRiKAW_KdpFbxZKk",
     isReadOnly: false
 }, {
-    value: 'TestValue',
-    key: 'TestKey',
-    label: 'Test',
-    contentType: '',
-    lastModified: '2023-05-04T04:32:56.000Z',
+    value: "TestValue",
+    key: "TestKey",
+    label: "Test",
+    contentType: "",
+    lastModified: "2023-05-04T04:32:56.000Z",
     tags: {},
-    etag: 'GdmsLWq3mFjFodVEXUYRmvFr3l_qRiKAW_KdpFbxZKk',
+    etag: "GdmsLWq3mFjFodVEXUYRmvFr3l_qRiKAW_KdpFbxZKk",
     isReadOnly: false
 }, {
     value: null,
-    key: 'KeyForNullValue',
-    label: '',
-    contentType: '',
-    lastModified: '2023-05-04T04:32:56.000Z',
+    key: "KeyForNullValue",
+    label: "",
+    contentType: "",
+    lastModified: "2023-05-04T04:32:56.000Z",
     tags: {},
-    etag: 'GdmsLWq3mFjFodVEXUYRmvFr3l_qRiKAW_KdpFbxZKk',
+    etag: "GdmsLWq3mFjFodVEXUYRmvFr3l_qRiKAW_KdpFbxZKk",
     isReadOnly: false
 }, {
     value: "",
-    key: 'KeyForEmptyValue',
-    label: '',
-    contentType: '',
-    lastModified: '2023-05-04T04:32:56.000Z',
+    key: "KeyForEmptyValue",
+    label: "",
+    contentType: "",
+    lastModified: "2023-05-04T04:32:56.000Z",
     tags: {},
-    etag: 'GdmsLWq3mFjFodVEXUYRmvFr3l_qRiKAW_KdpFbxZKk',
+    etag: "GdmsLWq3mFjFodVEXUYRmvFr3l_qRiKAW_KdpFbxZKk",
     isReadOnly: false
 }];
 
diff --git a/test/utils/testHelper.js b/test/utils/testHelper.js
index 8c26ccc1..4f0525ba 100644
--- a/test/utils/testHelper.js
+++ b/test/utils/testHelper.js
@@ -52,7 +52,7 @@ const createMockedTokenCredential = (tenantId = TEST_TENANT_ID, clientId = TEST_
 
 const createMockedKeyVaultReference = (key, vaultUri) => ({
     // https://${vaultName}.vault.azure.net/secrets/${secretName}
-    value: `{\"uri\":\"${vaultUri}\"}`,
+    value: `{"uri":"${vaultUri}"}`,
     key,
     label: null,
     contentType: "application/vnd.microsoft.appconfig.keyvaultref+json;charset=utf-8",