diff --git a/.eslintrc b/.eslintrc
index 8b96047e..f2852f86 100644
--- a/.eslintrc
+++ b/.eslintrc
@@ -40,6 +40,22 @@
                 "avoidEscape": true
             }
         ],
-        "@typescript-eslint/no-explicit-any": "off"
+        "@typescript-eslint/no-explicit-any": "off",
+        "eol-last": [
+            "error",
+            "always"
+        ],
+        "no-trailing-spaces": "error",
+        "space-before-blocks": [
+            "error",
+            "always"
+        ],
+        "no-multi-spaces": "error",
+        "no-multiple-empty-lines": [
+            "error",
+            {
+                "max": 1 
+            }
+        ]
     }
 }
\ No newline at end of file
diff --git a/src/AzureAppConfigurationImpl.ts b/src/AzureAppConfigurationImpl.ts
index 6c650244..76d2c963 100644
--- a/src/AzureAppConfigurationImpl.ts
+++ b/src/AzureAppConfigurationImpl.ts
@@ -575,4 +575,4 @@ function getValidFeatureFlagSelectors(selectors?: SettingSelector[]): SettingSel
     } else {
         return getValidSelectors(selectors);
     }
-}
\ No newline at end of file
+}
diff --git a/src/AzureAppConfigurationOptions.ts b/src/AzureAppConfigurationOptions.ts
index e780fc89..c98de463 100644
--- a/src/AzureAppConfigurationOptions.ts
+++ b/src/AzureAppConfigurationOptions.ts
@@ -47,4 +47,4 @@ export interface AzureAppConfigurationOptions {
      * Specifies options used to configure feature flags.
      */
     featureFlagOptions?: FeatureFlagOptions;
-}
\ No newline at end of file
+}
diff --git a/src/IKeyValueAdapter.ts b/src/IKeyValueAdapter.ts
index 530c870b..afd7bdc3 100644
--- a/src/IKeyValueAdapter.ts
+++ b/src/IKeyValueAdapter.ts
@@ -13,4 +13,4 @@ export interface IKeyValueAdapter {
      * This method process the original configuration setting, and returns processed key and value in an array.
      */
     processKeyValue(setting: ConfigurationSetting): Promise<[string, unknown]>;
-}
\ No newline at end of file
+}
diff --git a/src/JsonKeyValueAdapter.ts b/src/JsonKeyValueAdapter.ts
index e821af70..c558f4e4 100644
--- a/src/JsonKeyValueAdapter.ts
+++ b/src/JsonKeyValueAdapter.ts
@@ -54,4 +54,4 @@ function isJsonContentType(contentTypeValue: string): boolean {
     }
 
     return typeParts[1].split("+").includes("json");
-}
\ No newline at end of file
+}
diff --git a/src/RefreshOptions.ts b/src/RefreshOptions.ts
index 0d7b75c3..29f35be2 100644
--- a/src/RefreshOptions.ts
+++ b/src/RefreshOptions.ts
@@ -20,7 +20,7 @@ export interface RefreshOptions {
     refreshIntervalInMs?: number;
 
     /**
-     * One or more configuration settings to be watched for changes on the server. 
+     * One or more configuration settings to be watched for changes on the server.
      * Any modifications to watched settings will refresh all settings loaded by the configuration provider when refresh() is called.
      */
     watchedSettings?: WatchedSetting[];
diff --git a/src/WatchedSetting.ts b/src/WatchedSetting.ts
index b714f2ef..40f4d4fb 100644
--- a/src/WatchedSetting.ts
+++ b/src/WatchedSetting.ts
@@ -15,4 +15,4 @@ export interface WatchedSetting {
      * Leaving this undefined means this setting does not have a label.
      */
     label?: string;
-}
\ No newline at end of file
+}
diff --git a/src/common/disposable.ts b/src/common/disposable.ts
index 4843e121..c075b6b1 100644
--- a/src/common/disposable.ts
+++ b/src/common/disposable.ts
@@ -15,4 +15,4 @@ export class Disposable {
         }
         this.#disposed = true;
     }
-}
\ No newline at end of file
+}
diff --git a/src/featureManagement/FeatureFlagOptions.ts b/src/featureManagement/FeatureFlagOptions.ts
index de0ff896..6facb592 100644
--- a/src/featureManagement/FeatureFlagOptions.ts
+++ b/src/featureManagement/FeatureFlagOptions.ts
@@ -27,4 +27,4 @@ export interface FeatureFlagOptions {
      * Specifies how feature flag refresh is configured. All selected feature flags will be watched for changes.
      */
     refresh?: FeatureFlagRefreshOptions;
-}
\ No newline at end of file
+}
diff --git a/src/featureManagement/constants.ts b/src/featureManagement/constants.ts
index d8a6afc6..f0082f48 100644
--- a/src/featureManagement/constants.ts
+++ b/src/featureManagement/constants.ts
@@ -2,4 +2,4 @@
 // Licensed under the MIT license.
 
 export const FEATURE_MANAGEMENT_KEY_NAME = "feature_management";
-export const FEATURE_FLAGS_KEY_NAME = "feature_flags";
\ No newline at end of file
+export const FEATURE_FLAGS_KEY_NAME = "feature_flags";
diff --git a/src/keyvault/AzureKeyVaultKeyValueAdapter.ts b/src/keyvault/AzureKeyVaultKeyValueAdapter.ts
index b65a0314..92f6e261 100644
--- a/src/keyvault/AzureKeyVaultKeyValueAdapter.ts
+++ b/src/keyvault/AzureKeyVaultKeyValueAdapter.ts
@@ -72,4 +72,4 @@ export class AzureKeyVaultKeyValueAdapter implements IKeyValueAdapter {
 
 function getHost(url: string) {
     return new URL(url).host;
-}
\ No newline at end of file
+}
diff --git a/src/keyvault/KeyVaultOptions.ts b/src/keyvault/KeyVaultOptions.ts
index 88e86a9c..6d476b54 100644
--- a/src/keyvault/KeyVaultOptions.ts
+++ b/src/keyvault/KeyVaultOptions.ts
@@ -24,4 +24,4 @@ export interface KeyVaultOptions {
      * @returns The secret value.
      */
     secretResolver?: (keyVaultReference: URL) => string | Promise<string>;
-}
\ No newline at end of file
+}
diff --git a/src/version.ts b/src/version.ts
index a6fe1977..877c8101 100644
--- a/src/version.ts
+++ b/src/version.ts
@@ -1,4 +1,4 @@
 // Copyright (c) Microsoft Corporation.
 // Licensed under the MIT license.
 
-export const VERSION = "1.1.0";
\ No newline at end of file
+export const VERSION = "1.1.0";
diff --git a/test/exportedApi.ts b/test/exportedApi.ts
index 7e6feba1..c49bc1a3 100644
--- a/test/exportedApi.ts
+++ b/test/exportedApi.ts
@@ -1,4 +1,4 @@
 // Copyright (c) Microsoft Corporation.
 // Licensed under the MIT license.
 
-export { load } from "../src";
\ No newline at end of file
+export { load } from "../src";
diff --git a/test/keyvault.test.ts b/test/keyvault.test.ts
index 194517a0..5f70d0a5 100644
--- a/test/keyvault.test.ts
+++ b/test/keyvault.test.ts
@@ -111,4 +111,4 @@ describe("key vault reference", function () {
         expect(settings.get("TestKey")).eq("SecretValue");
         expect(settings.get("TestKey2")).eq("SecretValue2");
     });
-})
\ No newline at end of file
+})
diff --git a/test/refresh.test.ts b/test/refresh.test.ts
index b756038a..021ac3ba 100644
--- a/test/refresh.test.ts
+++ b/test/refresh.test.ts
@@ -423,4 +423,4 @@ describe("dynamic refresh feature flags", function () {
         await settings.refresh();
         expect(refreshSuccessfulCount).eq(1); // change in feature flags, because page etags are different.
     });
-});
\ No newline at end of file
+});
diff --git a/test/requestTracing.test.ts b/test/requestTracing.test.ts
index cdaa7ca3..5362d004 100644
--- a/test/requestTracing.test.ts
+++ b/test/requestTracing.test.ts
@@ -345,4 +345,4 @@ describe("request tracing", function () {
             expect(correlationContext.includes("Host=Web")).eq(false);
         });
     });
-});
\ No newline at end of file
+});
diff --git a/test/utils/testHelper.ts b/test/utils/testHelper.ts
index 80da36bc..9f0034e7 100644
--- a/test/utils/testHelper.ts
+++ b/test/utils/testHelper.ts
@@ -210,4 +210,4 @@ export {
     createMockedFeatureFlag,
 
     sleepInMs
-}
\ No newline at end of file
+}