diff --git a/.gitignore b/.gitignore
index 5cfd9b2ee5..66c9b38891 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,7 +5,7 @@ node_modules
 /node_modules
 
 # Build Dist
-/build/dist
+*/build/dist/*
 
 .idea
 # testing
diff --git a/accounts/src/api.ts b/accounts/src/api.ts
index e599380424..a86baa7908 100755
--- a/accounts/src/api.ts
+++ b/accounts/src/api.ts
@@ -23,10 +23,10 @@ export function postApi(url: $TSFixMe, data: $TSFixMe) {
         headers,
         data,
     })
-        .then(function (response) {
+        .then((response) => {
             deffered.resolve(response);
         })
-        .catch(function (error) {
+        .then((error) => {
             if (error && error.response && error.response.status === 401) {
                 User.clear();
                 history.push('/login');
@@ -50,10 +50,10 @@ export function getApi(url: $TSFixMe) {
         url: `${baseURL}/${url}`,
         headers,
     })
-        .then(function (response) {
+        .then((response) => {
             deffered.resolve(response);
         })
-        .catch(function (error) {
+        .then((error) => {
             if (error && error.response && error.response.status === 401) {
                 User.clear();
                 history.push('/login');
@@ -79,10 +79,10 @@ export function putApi(url: $TSFixMe, data: $TSFixMe) {
         headers,
         data,
     })
-        .then(function (response) {
+        .then((response) => {
             deffered.resolve(response);
         })
-        .catch(function (error) {
+        .then((error) => {
             if (error && error.response && error.response.status === 401) {
                 User.clear();
                 history.push('/login');
@@ -108,10 +108,10 @@ export function deleteApi(url: $TSFixMe, data: $TSFixMe) {
         headers,
         data,
     })
-        .then(function (response) {
+        .then((response) => {
             deffered.resolve(response);
         })
-        .catch(function (error) {
+        .then((error) => {
             if (error && error.response && error.response.status === 401) {
                 User.clear();
                 history.push('/login');
diff --git a/accounts/src/serviceWorker.ts b/accounts/src/serviceWorker.ts
index 690aacc1cd..56fa9ee08e 100644
--- a/accounts/src/serviceWorker.ts
+++ b/accounts/src/serviceWorker.ts
@@ -12,12 +12,12 @@
 
 const isLocalhost = Boolean(
     window.location.hostname === 'localhost' ||
-        // [::1] is the IPv6 localhost address.
-        window.location.hostname === '[::1]' ||
-        // 127.0.0.1/8 is considered localhost for IPv4.
-        window.location.hostname.match(
-            /^127(?:\.(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)){3}$/
-        )
+    // [::1] is the IPv6 localhost address.
+    window.location.hostname === '[::1]' ||
+    // 127.0.0.1/8 is considered localhost for IPv4.
+    window.location.hostname.match(
+        /^127(?:\.(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)){3}$/
+    )
 );
 
 export function register(config: $TSFixMe) {
@@ -48,7 +48,7 @@ export function register(config: $TSFixMe) {
 
         window.addEventListener('fetch', event => {
             event.respondWith(
-                caches.match(event.request).then(function (response) {
+                caches.match(event.request).then((response) => {
                     // Cache hit - return response
                     if (response) {
                         return response;
diff --git a/admin-dashboard/src/api.ts b/admin-dashboard/src/api.ts
index e3b6931584..35d31700a9 100644
--- a/admin-dashboard/src/api.ts
+++ b/admin-dashboard/src/api.ts
@@ -31,10 +31,10 @@ export function postApi(url: $TSFixMe, data: $TSFixMe, licensing: $TSFixMe) {
         headers,
         data,
     })
-        .then(function (response) {
+        .then((response) => {
             deffered.resolve(response);
         })
-        .catch(function (error) {
+        .then((error) => {
             if (error && error.response && error.response.status === 401) {
                 const cookies = new Cookies();
                 cookies.remove('admin-data', { path: '/' });
@@ -62,10 +62,10 @@ export function getApi(url: $TSFixMe, licensing: $TSFixMe) {
         url: `${licensing ? licensingURL : baseURL}/${url}`,
         headers,
     })
-        .then(function (response) {
+        .then((response) => {
             deffered.resolve(response);
         })
-        .catch(function (error) {
+        .then((error) => {
             if (error && error.response && error.response.status === 401) {
                 const cookies = new Cookies();
                 cookies.remove('admin-data', { path: '/' });
@@ -95,10 +95,10 @@ export function putApi(url: $TSFixMe, data: $TSFixMe) {
         headers,
         data,
     })
-        .then(function (response) {
+        .then((response) => {
             deffered.resolve(response);
         })
-        .catch(function (error) {
+        .then((error) => {
             if (error && error.response && error.response.status === 401) {
                 const cookies = new Cookies();
                 cookies.remove('admin-data', { path: '/' });
@@ -128,10 +128,10 @@ export function deleteApi(url: $TSFixMe, data: $TSFixMe) {
         headers,
         data,
     })
-        .then(function (response) {
+        .then((response) => {
             deffered.resolve(response);
         })
-        .catch(function (error) {
+        .then((error) => {
             if (error && error.response && error.response.status === 401) {
                 const cookies = new Cookies();
                 cookies.remove('admin-data', { path: '/' });
@@ -160,10 +160,10 @@ export function getApiDocs(url: $TSFixMe) {
         url: `${API_DOCS_URL}/${url}`,
         headers,
     })
-        .then(function (response) {
+        .then((response) => {
             deffered.resolve(response);
         })
-        .catch(function (error) {
+        .then((error) => {
             if (error && error.response && error.response.status === 401) {
                 const cookies = new Cookies();
                 cookies.remove('admin-data', { path: '/' });
@@ -192,10 +192,10 @@ export function getApiHelm(url: $TSFixMe) {
         url: `${HELM_CHART_URL}/${url}`,
         headers,
     })
-        .then(function (response) {
+        .then((response) => {
             deffered.resolve(response);
         })
-        .catch(function (error) {
+        .then((error) => {
             if (error && error.response && error.response.status === 401) {
                 const cookies = new Cookies();
                 cookies.remove('admin-data', { path: '/' });
@@ -224,10 +224,10 @@ export function getApiDashboard(url: $TSFixMe) {
         url: `${DASHBOARD_URL}/api/${url}`,
         headers,
     })
-        .then(function (response) {
+        .then((response) => {
             deffered.resolve(response);
         })
-        .catch(function (error) {
+        .then((error) => {
             if (error && error.response && error.response.status === 401) {
                 const cookies = new Cookies();
                 cookies.remove('admin-data', { path: '/' });
diff --git a/application-scanner/utils/api.ts b/application-scanner/utils/api.ts
index 74198e8a7b..3aad296984 100755
--- a/application-scanner/utils/api.ts
+++ b/application-scanner/utils/api.ts
@@ -23,10 +23,10 @@ const _this = {
                 headers,
                 data,
             })
-                .then(function (response) {
+                .then((response) => {
                     resolve(response.data);
                 })
-                .catch(function (error) {
+                .then((error) => {
                     if (error && error.response && error.response.data)
                         error = error.response.data;
                     if (error && error.data) {
@@ -45,10 +45,10 @@ const _this = {
                 url: `${config.serverUrl}/${url}`,
                 headers,
             })
-                .then(function (response) {
+                .then((response) => {
                     resolve(response.data);
                 })
-                .catch(function (error) {
+                .then((error) => {
                     if (error && error.response && error.response.data)
                         error = error.response.data;
                     if (error && error.data) {
@@ -68,10 +68,10 @@ const _this = {
                 headers,
                 data,
             })
-                .then(function (response) {
+                .then((response) => {
                     resolve(response.data);
                 })
-                .catch(function (error) {
+                .then((error) => {
                     if (error && error.response && error.response.data)
                         error = error.response.data;
                     if (error && error.data) {
@@ -91,10 +91,10 @@ const _this = {
                 headers,
                 data,
             })
-                .then(function (response) {
+                .then((response) => {
                     resolve(response.data);
                 })
-                .catch(function (error) {
+                .then((error) => {
                     if (error && error.response && error.response.data)
                         error = error.response.data;
                     if (error && error.data) {
diff --git a/container-scanner/utils/api.ts b/container-scanner/utils/api.ts
index d2f817188a..9ca2b12ad8 100755
--- a/container-scanner/utils/api.ts
+++ b/container-scanner/utils/api.ts
@@ -23,10 +23,10 @@ const _this = {
                 headers,
                 data,
             })
-                .then(function (response) {
+                .then((response) => {
                     resolve(response.data);
                 })
-                .catch(function (error) {
+                .then((error) => {
                     if (error && error.response && error.response.data)
                         error = error.response.data;
                     if (error && error.data) {
@@ -45,10 +45,10 @@ const _this = {
                 url: `${config.serverUrl}/${url}`,
                 headers,
             })
-                .then(function (response) {
+                .then((response) => {
                     resolve(response.data);
                 })
-                .catch(function (error) {
+                .then((error) => {
                     if (error && error.response && error.response.data)
                         error = error.response.data;
                     if (error && error.data) {
@@ -68,10 +68,10 @@ const _this = {
                 headers,
                 data,
             })
-                .then(function (response) {
+                .then((response) => {
                     resolve(response.data);
                 })
-                .catch(function (error) {
+                .then((error) => {
                     if (error && error.response && error.response.data)
                         error = error.response.data;
                     if (error && error.data) {
@@ -91,10 +91,10 @@ const _this = {
                 headers,
                 data,
             })
-                .then(function (response) {
+                .then((response) => {
                     resolve(response.data);
                 })
-                .catch(function (error) {
+                .then((error) => {
                     if (error && error.response && error.response.data)
                         error = error.response.data;
                     if (error && error.data) {
diff --git a/dashboard/src/api.ts b/dashboard/src/api.ts
index 5c5a321f10..6a81bebe95 100755
--- a/dashboard/src/api.ts
+++ b/dashboard/src/api.ts
@@ -23,10 +23,10 @@ export function postApi(url: $TSFixMe, data: $TSFixMe) {
         headers,
         data,
     })
-        .then(function (response) {
+        .then((response) => {
             deffered.resolve(response);
         })
-        .catch(function (error) {
+        .then((error) => {
             if (error && error.response && error.response.status === 401) {
                 const cookies = new Cookies();
                 cookies.remove('admin-data', { path: '/' });
@@ -58,10 +58,10 @@ export function getApi(url: $TSFixMe) {
         url: `${baseURL}/${url}`,
         headers,
     })
-        .then(function (response) {
+        .then((response) => {
             deffered.resolve(response);
         })
-        .catch(function (error) {
+        .then((error) => {
             if (error && error.response && error.response.status === 401) {
                 const cookies = new Cookies();
                 cookies.remove('admin-data', { path: '/' });
@@ -95,10 +95,10 @@ export function putApi(url: $TSFixMe, data: $TSFixMe) {
         headers,
         data,
     })
-        .then(function (response) {
+        .then((response) => {
             deffered.resolve(response);
         })
-        .catch(function (error) {
+        .then((error) => {
             if (error && error.response && error.response.status === 401) {
                 const cookies = new Cookies();
                 cookies.remove('admin-data', { path: '/' });
@@ -132,10 +132,10 @@ export function deleteApi(url: $TSFixMe, data: $TSFixMe) {
         headers,
         data,
     })
-        .then(function (response) {
+        .then((response) => {
             deffered.resolve(response);
         })
-        .catch(function (error) {
+        .then((error) => {
             if (error && error.response && error.response.status === 401) {
                 const cookies = new Cookies();
                 cookies.remove('admin-data', { path: '/' });
diff --git a/data-ingestor/utils/api.ts b/data-ingestor/utils/api.ts
index 38338d513a..f1bacf5c98 100755
--- a/data-ingestor/utils/api.ts
+++ b/data-ingestor/utils/api.ts
@@ -26,10 +26,10 @@ const _this = {
                 maxContentLength: Infinity,
                 maxBodyLength: Infinity,
             })
-                .then(function (response) {
+                .then((response) => {
                     resolve(response.data);
                 })
-                .catch(function (error) {
+                .then((error) => {
                     if (error && error.response && error.response.data)
                         error = error.response.data;
                     if (error && error.data) {
@@ -48,10 +48,10 @@ const _this = {
                 url: withBaseUrl ? `${url}` : `${serverUrl}/${url}`,
                 headers,
             })
-                .then(function (response) {
+                .then((response) => {
                     resolve(response.data);
                 })
-                .catch(function (error) {
+                .then((error) => {
                     if (error && error.response && error.response.data)
                         error = error.response.data;
                     if (error && error.data) {
@@ -75,10 +75,10 @@ const _this = {
                 maxContentLength: Infinity,
                 maxBodyLength: Infinity,
             })
-                .then(function (response) {
+                .then((response) => {
                     resolve(response.data);
                 })
-                .catch(function (error) {
+                .then((error) => {
                     if (error && error.response && error.response.data)
                         error = error.response.data;
                     if (error && error.data) {
@@ -98,10 +98,10 @@ const _this = {
                 headers,
                 data,
             })
-                .then(function (response) {
+                .then((response) => {
                     resolve(response.data);
                 })
-                .catch(function (error) {
+                .then((error) => {
                     if (error && error.response && error.response.data)
                         error = error.response.data;
                     if (error && error.data) {
diff --git a/init-script/util/api.ts b/init-script/util/api.ts
index 65df3cf392..6df5687ad2 100755
--- a/init-script/util/api.ts
+++ b/init-script/util/api.ts
@@ -20,10 +20,10 @@ const _this = {
                 headers,
                 data,
             })
-                .then(function (response) {
+                .then((response) => {
                     resolve(response.data);
                 })
-                .catch(function (error) {
+                .then((error) => {
                     if (error && error.response && error.response.data)
                         error = error.response.data;
                     if (error && error.data) {
diff --git a/lighthouse-runner/utils/api.ts b/lighthouse-runner/utils/api.ts
index 342c19e4dd..4f27efeed5 100755
--- a/lighthouse-runner/utils/api.ts
+++ b/lighthouse-runner/utils/api.ts
@@ -20,10 +20,10 @@ const _this = {
                 headers,
                 data,
             })
-                .then(function (response) {
+                .then((response) => {
                     resolve(response.data);
                 })
-                .catch(function (error) {
+                .then((error) => {
                     if (error && error.response && error.response.data)
                         error = error.response.data;
                     if (error && error.data) {
@@ -42,10 +42,10 @@ const _this = {
                 url: `${config.serverUrl}/${url}`,
                 headers,
             })
-                .then(function (response) {
+                .then((response) => {
                     resolve(response.data);
                 })
-                .catch(function (error) {
+                .then((error) => {
                     if (error && error.response && error.response.data)
                         error = error.response.data;
                     if (error && error.data) {
@@ -65,10 +65,10 @@ const _this = {
                 headers,
                 data,
             })
-                .then(function (response) {
+                .then((response) => {
                     resolve(response.data);
                 })
-                .catch(function (error) {
+                .then((error) => {
                     if (error && error.response && error.response.data)
                         error = error.response.data;
                     if (error && error.data) {
@@ -88,10 +88,10 @@ const _this = {
                 headers,
                 data,
             })
-                .then(function (response) {
+                .then((response) => {
                     resolve(response.data);
                 })
-                .catch(function (error) {
+                .then((error) => {
                     if (error && error.response && error.response.data)
                         error = error.response.data;
                     if (error && error.data) {
diff --git a/probe-api/utils/api.ts b/probe-api/utils/api.ts
index bf24ad55d3..662beeb048 100755
--- a/probe-api/utils/api.ts
+++ b/probe-api/utils/api.ts
@@ -25,10 +25,10 @@ const _this = {
                 maxContentLength: Infinity,
                 maxBodyLength: Infinity,
             })
-                .then(function (response) {
+                .then((response) => {
                     resolve(response.data);
                 })
-                .catch(function (error) {
+                .then((error) => {
                     if (error && error.response && error.response.data)
                         error = error.response.data;
                     if (error && error.data) {
diff --git a/probe/utils/api.ts b/probe/utils/api.ts
index 459e79a9b0..411de78215 100755
--- a/probe/utils/api.ts
+++ b/probe/utils/api.ts
@@ -29,10 +29,10 @@ const _this = {
                 maxContentLength: Infinity,
                 maxBodyLength: Infinity,
             })
-                .then(function (response) {
+                .then((response) => {
                     resolve(response.data);
                 })
-                .catch(function (error) {
+                .then((error) => {
                     if (error && error.response && error.response.data)
                         error = error.response.data;
                     if (error && error.data) {
@@ -51,10 +51,10 @@ const _this = {
                 url: `${config.probeApiUrl}/${url}?limit=${limit}`,
                 headers,
             })
-                .then(function (response) {
+                .then((response) => {
                     resolve(response.data);
                 })
-                .catch(function (error) {
+                .then((error) => {
                     if (error && error.response && error.response.data)
                         error = error.response.data;
                     if (error && error.data) {
@@ -79,10 +79,10 @@ const _this = {
                 maxContentLength: Infinity,
                 maxBodyLength: Infinity,
             })
-                .then(function (response) {
+                .then((response) => {
                     resolve(response.data);
                 })
-                .catch(function (error) {
+                .then((error) => {
                     if (error && error.response && error.response.data)
                         error = error.response.data;
                     if (error && error.data) {
@@ -102,10 +102,10 @@ const _this = {
                 headers,
                 data,
             })
-                .then(function (response) {
+                .then((response) => {
                     resolve(response.data);
                 })
-                .catch(function (error) {
+                .then((error) => {
                     if (error && error.response && error.response.data)
                         error = error.response.data;
                     if (error && error.data) {
diff --git a/script-runner/utils/api.ts b/script-runner/utils/api.ts
index 342c19e4dd..4f27efeed5 100755
--- a/script-runner/utils/api.ts
+++ b/script-runner/utils/api.ts
@@ -20,10 +20,10 @@ const _this = {
                 headers,
                 data,
             })
-                .then(function (response) {
+                .then((response) => {
                     resolve(response.data);
                 })
-                .catch(function (error) {
+                .then((error) => {
                     if (error && error.response && error.response.data)
                         error = error.response.data;
                     if (error && error.data) {
@@ -42,10 +42,10 @@ const _this = {
                 url: `${config.serverUrl}/${url}`,
                 headers,
             })
-                .then(function (response) {
+                .then((response) => {
                     resolve(response.data);
                 })
-                .catch(function (error) {
+                .then((error) => {
                     if (error && error.response && error.response.data)
                         error = error.response.data;
                     if (error && error.data) {
@@ -65,10 +65,10 @@ const _this = {
                 headers,
                 data,
             })
-                .then(function (response) {
+                .then((response) => {
                     resolve(response.data);
                 })
-                .catch(function (error) {
+                .then((error) => {
                     if (error && error.response && error.response.data)
                         error = error.response.data;
                     if (error && error.data) {
@@ -88,10 +88,10 @@ const _this = {
                 headers,
                 data,
             })
-                .then(function (response) {
+                .then((response) => {
                     resolve(response.data);
                 })
-                .catch(function (error) {
+                .then((error) => {
                     if (error && error.response && error.response.data)
                         error = error.response.data;
                     if (error && error.data) {
diff --git a/status-page/src/api.ts b/status-page/src/api.ts
index b29773113e..fe717dfaed 100755
--- a/status-page/src/api.ts
+++ b/status-page/src/api.ts
@@ -19,10 +19,10 @@ export function postApi(url: $TSFixMe, data: $TSFixMe) {
             headers,
             data,
         })
-            .then(function (response) {
+            .then((response) => {
                 resolve(response);
             })
-            .catch(function (error) {
+            .then((error) => {
                 reject(error);
             });
     });
@@ -40,10 +40,10 @@ export function getApi(url: $TSFixMe) {
             url: `${API_URL}/${url}`,
             headers,
         })
-            .then(function (response) {
+            .then((response) => {
                 resolve(response);
             })
-            .catch(function (error) {
+            .then((error) => {
                 reject(error);
             });
     });
@@ -62,10 +62,10 @@ export function putApi(url: $TSFixMe, data: $TSFixMe) {
             headers,
             data,
         })
-            .then(function (response) {
+            .then((response) => {
                 resolve(response);
             })
-            .catch(function (error) {
+            .then((error) => {
                 reject(error);
             });
     });