diff --git a/lib/Authority.ts b/lib/Authority.ts
index 54c063b..2bd5a2a 100644
--- a/lib/Authority.ts
+++ b/lib/Authority.ts
@@ -14,7 +14,7 @@ import keystore from './KeyStore';
 import blacklist from './Blacklist';
 
 // eslint-disable-next-line no-shadow
-type TokenType = 'access_token'|'refresh_token'|'part_token'|'none'
+type TokenType = 'access_token' | 'none' | 'part_token' | 'refresh_token'
 
 interface VerificationResult {
   authorized: boolean;
diff --git a/lib/Blacklist.ts b/lib/Blacklist.ts
index 4d5ee61..6ca0ff0 100644
--- a/lib/Blacklist.ts
+++ b/lib/Blacklist.ts
@@ -17,25 +17,25 @@ class Blacklist {
     this._signatures = [];
   }
 
-  public clear (before: number = Number.POSITIVE_INFINITY):void {
+  public clear (before: number = Number.POSITIVE_INFINITY): void {
     for (let i = this._signatures.length - 1; i >= 0; i--) {
       if (this._signatures[i].iat < before)
         this._signatures.splice (i, 1);
     }
   }
 
-  public add_signature (hash: string):void {
+  public add_signature (hash: string): void {
     this._signatures.push ({ iat: Date.now (), hash });
   }
 
-  public remove_signature (hash:string):void {
+  public remove_signature (hash: string): void {
     for (let i = this._signatures.length - 1; i >= 0; i--) {
       if (this._signatures[i].hash === hash)
         this._signatures.splice (i, 1);
     }
   }
 
-  public is_valid (hash: string):boolean {
+  public is_valid (hash: string): boolean {
     for (const sig of this._signatures) {
       if (sig.hash === hash)
         return false;
diff --git a/test/Helper.ts b/test/Helper.ts
index 5237f8a..0bb6481 100644
--- a/test/Helper.ts
+++ b/test/Helper.ts
@@ -59,7 +59,7 @@ export function assert_keystore_state (): void {
 }
 /* eslint-enable dot-notation */
 
-export function clock_setup ():void {
+export function clock_setup (): void {
   assert_keystore_state ();
 
   const date = (new Date);
@@ -70,7 +70,7 @@ export function clock_setup ():void {
     .mockDate (date);
 }
 
-export function clock_finalize ():void {
+export function clock_finalize (): void {
   jasmine.clock ()
     .tick (30 * 24 * 60 * 60 * 1000);
   // eslint-disable-next-line dot-notation
diff --git a/test/spec/KeyStore.ts b/test/spec/KeyStore.ts
index fdf4627..14141da 100644
--- a/test/spec/KeyStore.ts
+++ b/test/spec/KeyStore.ts
@@ -20,7 +20,7 @@ describe ('key store', () => {
     clock_finalize ();
   });
 
-  const keys: {key:string, sign:string, iat:number}[] = [];
+  const keys: {key: string, sign: string, iat: number}[] = [];
 
   it ('should generate a new key', async () => {
     const iat = (new Date)