chore(ui): migrate more code to typescript

ui/package-lock.json

@@ -4936,6 +4936,16 @@
         "@babel/types": "^7.3.0"
       }
     },
+    "@types/body-scroll-lock": {
+      "version": "2.6.1",
+      "resolved": "https://registry.npmjs.org/@types/body-scroll-lock/-/body-scroll-lock-2.6.1.tgz",
+      "integrity": "sha512-PPFm/2A6LfKmSpvMg58gHtSqwwMChbcKKGhSCRIhY4MyFzhY8moAN6HrTCpOeZQUqkFdTFfMqr7njeqGLKt72Q=="
+    },
+    "@types/bricks.js": {
+      "version": "1.8.1",
+      "resolved": "https://registry.npmjs.org/@types/bricks.js/-/bricks.js-1.8.1.tgz",
+      "integrity": "sha512-cIg3aZFILk8FsR8q1j76ThSo7JaLRHfk6vwiTDeqfUaAikqgu7j+bkAdiJknIbw8CNSSKo6Lrp7wiMuShVCWxg=="
+    },
     "@types/color-name": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/@types/color-name/-/color-name-1.1.1.tgz",
@@ -4994,6 +5004,43 @@
       "resolved": "https://registry.npmjs.org/@types/json-schema/-/json-schema-7.0.5.tgz",
       "integrity": "sha512-7+2BITlgjgDhH0vvwZU/HZJVyk+2XUlvxXe8dFMedNX/aMkaOq++rMAFXc0tM7ij15QaWlbdQASBR9dihi+bDQ=="
     },
+    "@types/lodash": {
+      "version": "4.14.157",
+      "resolved": "https://registry.npmjs.org/@types/lodash/-/lodash-4.14.157.tgz",
+      "integrity": "sha512-Ft5BNFmv2pHDgxV5JDsndOWTRJ+56zte0ZpYLowp03tW+K+t8u8YMOzAnpuqPgzX6WO1XpDIUm7u04M8vdDiVQ=="
+    },
+    "@types/lodash.debounce": {
+      "version": "4.0.6",
+      "resolved": "https://registry.npmjs.org/@types/lodash.debounce/-/lodash.debounce-4.0.6.tgz",
+      "integrity": "sha512-4WTmnnhCfDvvuLMaF3KV4Qfki93KebocUF45msxhYyjMttZDQYzHkO639ohhk8+oco2cluAFL3t5+Jn4mleylQ==",
+      "requires": {
+        "@types/lodash": "*"
+      }
+    },
+    "@types/lodash.merge": {
+      "version": "4.6.6",
+      "resolved": "https://registry.npmjs.org/@types/lodash.merge/-/lodash.merge-4.6.6.tgz",
+      "integrity": "sha512-IB90krzMf7YpfgP3u/EvZEdXVvm4e3gJbUvh5ieuI+o+XqiNEt6fCzqNRaiLlPVScLI59RxIGZMQ3+Ko/DJ8vQ==",
+      "requires": {
+        "@types/lodash": "*"
+      }
+    },
+    "@types/lodash.throttle": {
+      "version": "4.1.6",
+      "resolved": "https://registry.npmjs.org/@types/lodash.throttle/-/lodash.throttle-4.1.6.tgz",
+      "integrity": "sha512-/UIH96i/sIRYGC60NoY72jGkCJtFN5KVPhEMMMTjol65effe1gPn0tycJqV5tlSwMTzX8FqzB5yAj0rfGHTPNg==",
+      "requires": {
+        "@types/lodash": "*"
+      }
+    },
+    "@types/lodash.uniqueid": {
+      "version": "4.0.6",
+      "resolved": "https://registry.npmjs.org/@types/lodash.uniqueid/-/lodash.uniqueid-4.0.6.tgz",
+      "integrity": "sha512-WXXsDm7Q1SiAeCG9ubCiDxOuLEDi5x+Crx8SgwTFgBtofATwK1jAeSbGz2bHlfqWezi7mcjynenlBFCeDLhHlw==",
+      "requires": {
+        "@types/lodash": "*"
+      }
+    },
     "@types/minimatch": {
       "version": "3.0.3",
       "resolved": "https://registry.npmjs.org/@types/minimatch/-/minimatch-3.0.3.tgz",
@@ -5027,6 +5074,14 @@
       "resolved": "https://registry.npmjs.org/@types/parse-json/-/parse-json-4.0.0.tgz",
       "integrity": "sha512-//oorEZjL6sbPcKUaCdIGlIUeH26mgzimjBB77G6XRgnDl/L5wOnpyBGRe/Mmf5CVW3PwEBE1NjiMZ/ssFh4wA=="
     },
+    "@types/promise-retry": {
+      "version": "1.1.3",
+      "resolved": "https://registry.npmjs.org/@types/promise-retry/-/promise-retry-1.1.3.tgz",
+      "integrity": "sha512-LxIlEpEX6frE3co3vCO2EUJfHIta1IOmhDlcAsR4GMMv9hev1iTI9VwberVGkePJAuLZs5rMucrV8CziCfuJMw==",
+      "requires": {
+        "@types/retry": "*"
+      }
+    },
     "@types/prop-types": {
       "version": "15.7.3",
       "resolved": "https://registry.npmjs.org/@types/prop-types/-/prop-types-15.7.3.tgz",
@@ -5064,6 +5119,24 @@
         "@types/react": "*"
       }
     },
+    "@types/react-js-pagination": {
+      "version": "3.0.3",
+      "resolved": "https://registry.npmjs.org/@types/react-js-pagination/-/react-js-pagination-3.0.3.tgz",
+      "integrity": "sha512-tXeN/mPSnB2tt7Mn2DL2I85bGUUwA9q04BK8AbdDt6usVW/cl3osocl5P9KXkzSLeCMwQ+Arusn8ww/asMRWUA==",
+      "requires": {
+        "@types/react": "*"
+      }
+    },
+    "@types/react-select": {
+      "version": "3.0.13",
+      "resolved": "https://registry.npmjs.org/@types/react-select/-/react-select-3.0.13.tgz",
+      "integrity": "sha512-JxmSArGgzAOtb37+Jz2+3av8rVmp/3s3DGwlcP+g59/a3owkiuuU4/Jajd+qA32beDPHy4gJR2kkxagPY3j9kg==",
+      "requires": {
+        "@types/react": "*",
+        "@types/react-dom": "*",
+        "@types/react-transition-group": "*"
+      }
+    },
     "@types/react-syntax-highlighter": {
       "version": "11.0.4",
       "resolved": "https://registry.npmjs.org/@types/react-syntax-highlighter/-/react-syntax-highlighter-11.0.4.tgz",
@@ -5091,6 +5164,19 @@
         "@types/react": "*"
       }
     },
+    "@types/react-transition-group": {
+      "version": "4.4.0",
+      "resolved": "https://registry.npmjs.org/@types/react-transition-group/-/react-transition-group-4.4.0.tgz",
+      "integrity": "sha512-/QfLHGpu+2fQOqQaXh8MG9q03bFENooTb/it4jr5kKaZlDQfWvjqWZg48AwzPVMBHlRuTRAY7hRHCEOXz5kV6w==",
+      "requires": {
+        "@types/react": "*"
+      }
+    },
+    "@types/retry": {
+      "version": "0.12.0",
+      "resolved": "https://registry.npmjs.org/@types/retry/-/retry-0.12.0.tgz",
+      "integrity": "sha512-wWKOClTTiizcZhXnPY4wikVAwmdYHp8q6DmC+EJUzAMsycb7HB32Kh9RN4+0gExjmPmZSAQjgURXIGATPegAvA=="
+    },
     "@types/source-list-map": {
       "version": "0.1.2",
       "resolved": "https://registry.npmjs.org/@types/source-list-map/-/source-list-map-0.1.2.tgz",

ui/package.json

@@ -11,8 +11,17 @@
     "@juggle/resize-observer": "3.2.0",
     "@popperjs/core": "2.4.4",
     "@sentry/browser": "5.19.2",
+    "@types/body-scroll-lock": "2.6.1",
+    "@types/bricks.js": "1.8.1",
+    "@types/lodash.debounce": "4.0.6",
+    "@types/lodash.merge": "4.6.6",
+    "@types/lodash.throttle": "4.1.6",
+    "@types/lodash.uniqueid": "4.0.6",
+    "@types/promise-retry": "1.1.3",
     "@types/react": "16.9.43",
     "@types/react-dom": "16.9.8",
+    "@types/react-js-pagination": "3.0.3",
+    "@types/react-select": "3.0.13",
     "body-scroll-lock": "3.0.3",
     "bootstrap": "4.5.0",
     "bootswatch": "4.5.0",

ui/src/App.tsx

@@ -18,6 +18,7 @@ import {
   ReactSelectStyles,
 } from "Components/Theme/ReactSelect";
 import { BodyTheme, ThemeContext } from "Components/Theme";
+import { UIDefaults } from "./AppBoot";
 import { ErrorBoundary } from "./ErrorBoundary";
 
 import "Styles/ResetCSS.scss";
@@ -46,19 +47,9 @@ const FaviconBadge = React.lazy(() =>
   }))
 );
 
-interface UIDefaults {
-  Refresh: number;
-  HideFiltersWhenIdle: boolean;
-  ColorTitlebar: boolean;
-  Theme: "light" | "dark" | "auto";
-  MinimalGroupWidth: number;
-  AlertsPerGroup: number;
-  CollapseGroups: "expanded" | "collapsed" | "collapsedOnMobile";
-}
-
 interface AppProps {
   defaultFilters: Array<string>;
-  uiDefaults: UIDefaults;
+  uiDefaults: UIDefaults | null;
 }
 
 const App: FunctionComponent<AppProps> = ({ defaultFilters, uiDefaults }) => {

ui/src/AppBoot.ts

@@ -2,9 +2,19 @@
 
 import { init } from "@sentry/browser";
 
+export interface UIDefaults {
+  Refresh: number;
+  HideFiltersWhenIdle: boolean;
+  ColorTitlebar: boolean;
+  Theme: "light" | "dark" | "auto";
+  MinimalGroupWidth: number;
+  AlertsPerGroup: number;
+  CollapseGroups: "expanded" | "collapsed" | "collapsedOnMobile";
+}
+
 const SettingsElement = () => document.getElementById("settings");
 
-const SetupSentry = (settingsElement) => {
+const SetupSentry = (settingsElement: HTMLElement | null) => {
   if (
     settingsElement !== null &&
     settingsElement.dataset.sentryDsn &&
@@ -29,7 +39,7 @@ const SetupSentry = (settingsElement) => {
   }
 };
 
-const ParseDefaultFilters = (settingsElement) => {
+const ParseDefaultFilters = (settingsElement: HTMLElement | null): string[] => {
   let defaultFilters = [];
   if (
     settingsElement !== null &&
@@ -48,7 +58,9 @@ const ParseDefaultFilters = (settingsElement) => {
   return defaultFilters;
 };
 
-const ParseUIDefaults = (defaultsElement) => {
+const ParseUIDefaults = (
+  defaultsElement: HTMLElement | null
+): UIDefaults | null => {
   if (defaultsElement === null) {
     return null;
   }

ui/src/Common/Device.ts

@@ -1,4 +1,4 @@
-function IsMobile() {
+function IsMobile(): boolean {
   return window.innerWidth < 768;
 }
 

ui/src/Common/Fetch.ts

@@ -14,7 +14,13 @@ const FetchRetryConfig = {
   maxTimeout: 5000,
 };
 
-const FetchGet = async (uri, options, beforeRetry) =>
+type PreRetryCallback = (number: number) => void;
+
+const FetchGet = async (
+  uri: string,
+  options: RequestInit,
+  beforeRetry: PreRetryCallback
+) =>
   await promiseRetry(
     (retry, number) =>
       fetch(

ui/src/Common/Query.ts

@@ -14,7 +14,7 @@ const StaticLabels = Object.freeze({
   SilenceID: "@silence_id",
 });
 
-function FormatQuery(name, operator, value) {
+function FormatQuery(name: string, operator: string, value: string) {
   return `${name}${operator}${value}`;
 }
 

ui/src/Common/Select.js

@@ -1,5 +0,0 @@
-const NewLabelName = (v) => `New label: ${v}`;
-
-const NewLabelValue = (v) => `New value: ${v}`;
-
-export { NewLabelName, NewLabelValue };

ui/src/Common/Select.ts

@@ -0,0 +1,5 @@
+const NewLabelName = (v: string) => `New label: ${v}`;
+
+const NewLabelValue = (v: string) => `New value: ${v}`;
+
+export { NewLabelName, NewLabelValue };

ui/src/Components/Animations/DropdownSlide/index.tsx

@@ -1,9 +1,12 @@
-import React from "react";
+import React, { FC, ReactNode } from "react";
 import PropTypes from "prop-types";
 
 import { CSSTransition } from "react-transition-group";
 
-const DropdownSlide = ({ children, duration, ...props }) => (
+const DropdownSlide: FC<{
+  children: ReactNode;
+  duration: number;
+}> = ({ children, duration, ...props }) => (
   <CSSTransition
     classNames="components-animation-slide"
     timeout={150}

ui/src/Components/Animations/MountModal/index.tsx

@@ -1,9 +1,13 @@
-import React from "react";
+import React, { FC, ReactNode } from "react";
 import PropTypes from "prop-types";
 
 import { CSSTransition } from "react-transition-group";
 
-const MountModal = ({ children, duration, ...props }) => (
+const MountModal: FC<{
+  children: ReactNode;
+  in: boolean;
+  unmountOnExit?: boolean;
+}> = ({ children, ...props }) => (
   <CSSTransition
     classNames="components-animation-modal"
     timeout={200}
@@ -19,9 +23,12 @@ MountModal.propTypes = {
   children: PropTypes.node.isRequired,
 };
 
-const MountModalBackdrop = ({ children, duration, ...props }) => (
+const MountModalBackdrop: FC<{
+  children: ReactNode;
+  in?: boolean;
+  unmountOnExit?: boolean;
+}> = ({ children, ...props }) => (
   <CSSTransition
-    in={true}
     classNames="components-animation-backdrop"
     timeout={200}
     appear={true}

ui/src/Components/CenteredMessage/index.tsx

@@ -1,10 +1,13 @@
-import React from "react";
+import React, { FC, ReactNode } from "react";
 
 import { CSSTransition } from "react-transition-group";
 
 import { ThemeContext } from "Components/Theme";
 
-const CenteredMessage = ({ children, className }) => {
+const CenteredMessage: FC<{
+  children: ReactNode;
+  className: string;
+}> = ({ children, className }) => {
   const context = React.useContext(ThemeContext);
   return (
     <CSSTransition

ui/src/Components/FaviconBadge/index.tsx

@@ -1,5 +1,4 @@
-import React, { useState, useEffect } from "react";
+import React, { useState, useEffect, FC } from "react";
-import PropTypes from "prop-types";
 
 import { autorun } from "mobx";
 import { useObserver } from "mobx-react-lite";
@@ -8,7 +7,9 @@ import Favico from "favico.js";
 
 import { AlertStore } from "Stores/AlertStore";
 
-const FaviconBadge = ({ alertStore }) => {
+const FaviconBadge: FC<{
+  alertStore: AlertStore;
+}> = ({ alertStore }) => {
   const [favico] = useState(
     new Favico({
       animation: "none",
@@ -38,8 +39,5 @@ const FaviconBadge = ({ alertStore }) => {
     />
   ));
 };
-FaviconBadge.propTypes = {
-  alertStore: PropTypes.instanceOf(AlertStore).isRequired,
-};
 
 export { FaviconBadge };

ui/src/Components/FetchPauser/index.js

@@ -1,19 +0,0 @@
-import { useEffect } from "react";
-import PropTypes from "prop-types";
-
-import { AlertStore } from "Stores/AlertStore";
-
-const FetchPauser = ({ children, alertStore }) => {
-  useEffect(() => {
-    alertStore.status.pause();
-    return alertStore.status.resume;
-  }, [alertStore.status]);
-
-  return children;
-};
-FetchPauser.propTypes = {
-  children: PropTypes.any,
-  alertStore: PropTypes.instanceOf(AlertStore).isRequired,
-};
-
-export { FetchPauser };

ui/src/Components/FetchPauser/index.tsx

@@ -0,0 +1,17 @@
+import { FC, ReactElement, useEffect } from "react";
+
+import { AlertStore } from "Stores/AlertStore";
+
+const FetchPauser: FC<{
+  children: ReactElement;
+  alertStore: AlertStore;
+}> = ({ children, alertStore }) => {
+  useEffect(() => {
+    alertStore.status.pause();
+    return alertStore.status.resume;
+  }, [alertStore.status]);
+
+  return children;
+};
+
+export { FetchPauser };

ui/src/Components/Fetcher/index.tsx

@@ -1,5 +1,4 @@
-import React, { useEffect, useRef } from "react";
+import React, { useEffect, useRef, FC } from "react";
-import PropTypes from "prop-types";
 
 import { reaction } from "mobx";
 
@@ -8,8 +7,11 @@ import addSeconds from "date-fns/addSeconds";
 import { AlertStore, AlertStoreStatuses } from "Stores/AlertStore";
 import { Settings } from "Stores/Settings";
 
-const Fetcher = ({ alertStore, settingsStore }) => {
+const Fetcher: FC<{
-  const timer = useRef(null);
+  alertStore: AlertStore;
+  settingsStore: Settings;
+}> = ({ alertStore, settingsStore }) => {
+  const timer = useRef(undefined as number | undefined);
 
   const getSortSettings = () => {
     let sortSettings = {
@@ -81,7 +83,7 @@ const Fetcher = ({ alertStore, settingsStore }) => {
   };
 
   useEffect(() => {
-    return () => clearInterval(timer.current);
+    return () => window.clearInterval(timer.current);
   }, []);
 
   useEffect(
@@ -89,7 +91,9 @@ const Fetcher = ({ alertStore, settingsStore }) => {
       reaction(
         () =>
           JSON.stringify({
-            filters: alertStore.filters.values.map((f) => f.raw).join(" "),
+            filters: alertStore.filters.values
+              .map((f: { raw: string }) => f.raw)
+              .join(" "),
             grid: {
               sortOrder: settingsStore.gridConfig.config.sortOrder,
               sortLabel: settingsStore.gridConfig.config.sortLabel,
@@ -115,10 +119,10 @@ const Fetcher = ({ alertStore, settingsStore }) => {
         () => alertStore.status.paused,
         (paused) => {
           if (paused) {
-            clearInterval(timer.current);
+            window.clearInterval(timer.current);
-            timer.current = null;
+            timer.current = undefined;
           } else {
-            timer.current = setInterval(
+            timer.current = window.setInterval(
               () => window.requestAnimationFrame(fetchIfIdle),
               1000
             );
@@ -131,9 +135,5 @@ const Fetcher = ({ alertStore, settingsStore }) => {
 
   return <span />;
 };
-Fetcher.propTypes = {
-  alertStore: PropTypes.instanceOf(AlertStore).isRequired,
-  settingsStore: PropTypes.instanceOf(Settings).isRequired,
-};
 
 export { Fetcher };

ui/src/Components/Modal/Tab.js

@@ -1,20 +0,0 @@
-import React from "react";
-import PropTypes from "prop-types";
-
-const Tab = ({ title, active, onClick }) => (
-  <span
-    className={`nav-item nav-link cursor-pointer mx-1 px-2 ${
-      active ? "active" : "components-tab-inactive"
-    }`}
-    onClick={onClick}
-  >
-    {title}
-  </span>
-);
-Tab.propTypes = {
-  title: PropTypes.string.isRequired,
-  active: PropTypes.bool,
-  onClick: PropTypes.func.isRequired,
-};
-
-export { Tab };

ui/src/Components/Modal/Tab.tsx

@@ -0,0 +1,18 @@
+import React, { FC, MouseEvent } from "react";
+
+const Tab: FC<{
+  title: string;
+  active?: boolean;
+  onClick: (event: MouseEvent<HTMLElement>) => void;
+}> = ({ title, active, onClick }) => (
+  <span
+    className={`nav-item nav-link cursor-pointer mx-1 px-2 ${
+      active ? "active" : "components-tab-inactive"
+    }`}
+    onClick={onClick}
+  >
+    {title}
+  </span>
+);
+
+export { Tab };

ui/src/Components/Modal/index.test.js

@@ -3,7 +3,16 @@ import React from "react";
 import { mount } from "enzyme";
 
 import { PressKey } from "__mocks__/PressKey";
-import { Modal } from ".";
+import { Modal, ModalInner } from ".";
+
+beforeEach(() => {
+  jest.restoreAllMocks();
+});
+
+afterEach(() => {
+  jest.restoreAllMocks();
+  document.body.className = "";
+});
 
 const fakeToggle = jest.fn();
 
@@ -15,12 +24,21 @@ const MountedModal = (isOpen, isUpper) => {
   );
 };
 
-afterEach(() => {
+describe("<ModalInner />", () => {
-  jest.resetAllMocks();
+  it("scroll isn't enabled if ref is null", () => {
-  document.body.className = "";
+    const useRefSpy = jest.spyOn(React, "useRef").mockImplementation(() =>
-});
+      Object.defineProperty({}, "current", {
+        get: () => null,
+        set: () => {},
+      })
+    );
+    const tree = mount(<ModalInner isUpper toggleOpen={fakeToggle} />);
+    tree.setProps({ isUpper: false });
+    tree.setProps({ isUpper: true });
+    tree.setProps({ isUpper: false });
+    expect(useRefSpy).toHaveBeenCalledTimes(4);
+  });
 
-describe("<Modal />", () => {
   it("'modal-open' class is appended to MountModal container", () => {
     const tree = MountedModal(true);
     expect(tree.find("div").at(0).hasClass("modal-open")).toBe(true);

ui/src/Components/Modal/index.tsx

@@ -1,6 +1,5 @@
-import React, { useRef, useEffect } from "react";
+import React, { FC, useEffect } from "react";
 import ReactDOM from "react-dom";
-import PropTypes from "prop-types";
 
 import { disableBodyScroll, enableBodyScroll } from "body-scroll-lock";
 
@@ -11,10 +10,16 @@ import {
   MountModalBackdrop,
 } from "Components/Animations/MountModal";
 
-const ModalInner = ({ size, isUpper, toggleOpen, children }) => {
+const ModalInner: FC<{
-  const ref = useRef(null);
+  size: "lg" | "xl";
+  isUpper: boolean;
+  toggleOpen: () => void;
+}> = ({ size, isUpper, toggleOpen, children }) => {
+  // needed for tests to spy on useRef
+  const ref = React.useRef(null as HTMLDivElement | null);
 
   useEffect(() => {
+    if (ref.current !== null) {
       document.body.classList.add("modal-open");
       disableBodyScroll(ref.current, { reserveScrollBarGap: true });
 
@@ -23,6 +28,7 @@ const ModalInner = ({ size, isUpper, toggleOpen, children }) => {
         if (!isUpper) document.body.classList.remove("modal-open");
         enableBodyScroll(modal);
       };
+    }
   }, [isUpper]);
 
   useHotkeys("esc", toggleOpen);
@@ -43,7 +49,19 @@ const ModalInner = ({ size, isUpper, toggleOpen, children }) => {
   );
 };
 
-const Modal = ({ size, isOpen, isUpper, toggleOpen, children, ...props }) => {
+const Modal: FC<{
+  size?: "lg" | "xl";
+  isOpen: boolean;
+  isUpper?: boolean;
+  toggleOpen: () => void;
+}> = ({
+  size = "lg",
+  isOpen,
+  isUpper = false,
+  toggleOpen,
+  children,
+  ...props
+}) => {
   return ReactDOM.createPortal(
     <React.Fragment>
       <MountModal in={isOpen} unmountOnExit {...props}>
@@ -58,16 +76,5 @@ const Modal = ({ size, isOpen, isUpper, toggleOpen, children, ...props }) => {
     document.body
   );
 };
-Modal.propTypes = {
-  size: PropTypes.oneOf(["lg", "xl"]),
-  isOpen: PropTypes.bool.isRequired,
-  isUpper: PropTypes.bool,
-  toggleOpen: PropTypes.func.isRequired,
-  children: PropTypes.node.isRequired,
-};
-Modal.defaultProps = {
-  size: "lg",
-  isUpper: false,
-};
 
-export { Modal };
+export { Modal, ModalInner };

ui/src/Components/PaginatedAlertList/index.tsx

@@ -1,5 +1,4 @@
-import React from "react";
+import React, { FC, ReactNode } from "react";
-import PropTypes from "prop-types";
 
 import { FontAwesomeIcon } from "@fortawesome/react-fontawesome";
 import { faExclamationCircle } from "@fortawesome/free-solid-svg-icons/faExclamationCircle";
@@ -12,7 +11,7 @@ import {
 } from "Components/LabelSetList";
 import { useFetchGet } from "Hooks/useFetchGet";
 
-const FetchError = ({ message }) => (
+const FetchError: FC<{ message: ReactNode }> = ({ message }) => (
   <div className="text-center">
     <h2 className="display-2 text-danger">
       <FontAwesomeIcon icon={faExclamationCircle} />
@@ -20,9 +19,6 @@ const FetchError = ({ message }) => (
     <p className="lead text-muted">{message}</p>
   </div>
 );
-FetchError.propTypes = {
-  message: PropTypes.node.isRequired,
-};
 
 const Placeholder = () => (
   <div className="jumbotron bg-transparent">
@@ -32,7 +28,11 @@ const Placeholder = () => (
   </div>
 );
 
-const PaginatedAlertList = ({ alertStore, filters, title }) => {
+const PaginatedAlertList: FC<{
+  alertStore: AlertStore;
+  filters: string[];
+  title: string;
+}> = ({ alertStore, filters, title }) => {
   const { response, error, isLoading } = useFetchGet(
     FormatBackendURI("alerts.json?") + FormatAlertsQ(filters)
   );
@@ -51,10 +51,5 @@ const PaginatedAlertList = ({ alertStore, filters, title }) => {
     />
   );
 };
-PaginatedAlertList.propTypes = {
-  alertStore: PropTypes.instanceOf(AlertStore).isRequired,
-  filters: PropTypes.arrayOf(PropTypes.string).isRequired,
-  title: PropTypes.string,
-};
 
 export { PaginatedAlertList };

ui/src/Components/Pagination/index.tsx

@@ -1,5 +1,4 @@
-import React, { useState, useEffect } from "react";
+import React, { useState, useEffect, FC } from "react";
-import PropTypes from "prop-types";
 
 import { useHotkeys } from "react-hotkeys-hook";
 
@@ -13,16 +12,24 @@ import { faAngleDoubleRight } from "@fortawesome/free-solid-svg-icons/faAngleDou
 
 import { IsMobile } from "Common/Device";
 
-const PageSelect = ({
+type PageCallback = (page: number) => void;
+
+const PageSelect: FC<{
+  totalItemsCount: number;
+  totalPages: number;
+  maxPerPage: number;
+  initialPage: number;
+  setPageCallback: PageCallback;
+}> = ({
   totalItemsCount,
   totalPages,
   maxPerPage,
-  initialPage,
+  initialPage = 1,
   setPageCallback,
 }) => {
   const [activePage, setActivePage] = useState(initialPage);
 
-  const onChange = (page) => {
+  const onChange = (page: number) => {
     setActivePage(page);
     setPageCallback(page);
   };
@@ -83,15 +90,5 @@ const PageSelect = ({
     </div>
   );
 };
-PageSelect.propTypes = {
-  totalPages: PropTypes.number.isRequired,
-  initialPage: PropTypes.number,
-  maxPerPage: PropTypes.number.isRequired,
-  totalItemsCount: PropTypes.number.isRequired,
-  setPageCallback: PropTypes.func.isRequired,
-};
-PageSelect.defaultProps = {
-  initialPage: 1,
-};
 
 export { PageSelect };

ui/src/Components/Theme/ReactSelect.ts

@@ -1,4 +1,25 @@
-const ReactSelectColors = {
+import { CSSProperties } from "react";
+import { Styles } from "react-select";
+
+interface ReactSelectTheme {
+  color: string;
+  singleValueColor: string;
+  backgroundColor: string;
+  borderColor: string;
+  focusedBoxShadow: string;
+  focusedBorderColor: string;
+  menuBackground: string;
+  optionHoverBackground: string;
+  valueContainerBackground: string;
+  disabledValueContainerBackground: string;
+}
+
+interface ReactSelectThemes {
+  Light: ReactSelectTheme;
+  Dark: ReactSelectTheme;
+}
+
+const ReactSelectColors: ReactSelectThemes = {
   Light: {
     color: "#fff",
     singleValueColor: "#000",
@@ -25,8 +46,8 @@ const ReactSelectColors = {
   },
 };
 
-const ReactSelectStyles = (theme) => ({
+const ReactSelectStyles = (theme: ReactSelectTheme): Styles => ({
-  control: (base, state) =>
+  control: (base: CSSProperties, state: any) =>
     state.isFocused
       ? {
           ...base,
@@ -47,7 +68,7 @@ const ReactSelectStyles = (theme) => ({
           borderColor: theme.borderColor,
           "&:hover": { borderColor: theme.borderColor },
         },
-  valueContainer: (base, state) =>
+  valueContainer: (base: CSSProperties, state: any) =>
     state.isMulti
       ? {
           ...base,
@@ -72,11 +93,11 @@ const ReactSelectStyles = (theme) => ({
             ? theme.disabledValueContainerBackground
             : theme.valueContainerBackground,
         },
-  singleValue: (base, state) => ({
+  singleValue: (base: CSSProperties) => ({
     ...base,
     color: theme.singleValueColor,
   }),
-  multiValue: (base, state) => ({
+  multiValue: (base: CSSProperties) => ({
     ...base,
     borderRadius: "4px",
     backgroundColor: theme.optionHoverBackground,
@@ -84,7 +105,7 @@ const ReactSelectStyles = (theme) => ({
       backgroundColor: theme.optionHoverBackground,
     },
   }),
-  multiValueLabel: (base, state) => ({
+  multiValueLabel: (base: CSSProperties) => ({
     ...base,
     color: theme.color,
     whiteSpace: "normal",
@@ -94,7 +115,7 @@ const ReactSelectStyles = (theme) => ({
       color: theme.color,
     },
   }),
-  multiValueRemove: (base, state) => ({
+  multiValueRemove: (base: CSSProperties) => ({
     ...base,
     cursor: "pointer",
     color: theme.color,
@@ -107,11 +128,11 @@ const ReactSelectStyles = (theme) => ({
       opacity: "0.75",
     },
   }),
-  input: (base, state) => ({
+  input: (base: CSSProperties) => ({
     ...base,
     color: "inherit",
   }),
-  indicatorsContainer: (base, state) => ({
+  indicatorsContainer: (base: CSSProperties, state: any) => ({
     ...base,
     backgroundColor: state.isDisabled
       ? theme.disabledValueContainerBackground
@@ -119,19 +140,19 @@ const ReactSelectStyles = (theme) => ({
     borderTopRightRadius: "0.25rem",
     borderBottomRightRadius: "0.25rem",
   }),
-  dropdownIndicator: (base, state) =>
+  dropdownIndicator: (base: CSSProperties, state: any) =>
     state.isFocused
       ? {
           ...base,
           "&:hover": { color: "inherit" },
         }
       : { ...base },
-  menu: (base, state) => ({
+  menu: (base: CSSProperties) => ({
     ...base,
     zIndex: 1500,
     backgroundColor: theme.menuBackground,
   }),
-  option: (base, state) => ({
+  option: (base: CSSProperties) => ({
     ...base,
     color: "inherit",
     backgroundColor: "inherit",

ui/src/Components/Theme/index.tsx

@@ -38,7 +38,19 @@ const Placeholder = () => {
   );
 };
 
-const ThemeContext = React.createContext();
+interface ThemeCtx {
+  isDark: boolean;
+  reactSelectStyles: any;
+  animations: {
+    duration: number;
+  };
+}
+
+const ThemeContext = React.createContext({
+  isDark: false,
+  reactSelectStyles: {},
+  animations: { duration: 1000 },
+} as ThemeCtx);
 
 const BodyTheme = () => {
   const context = React.useContext(ThemeContext);

ui/src/Components/TooltipWrapper/index.tsx

@@ -1,6 +1,5 @@
-import React, { useState, useEffect } from "react";
+import React, { useState, useEffect, ReactNode, FC } from "react";
 import { createPortal } from "react-dom";
-import PropTypes from "prop-types";
 
 import { CSSTransition } from "react-transition-group";
 
@@ -8,16 +7,24 @@ import { usePopper } from "react-popper";
 
 import { useSupportsTouch } from "Hooks/useSupportsTouch";
 
-const TooltipWrapper = ({ title, children, className }) => {
+const TooltipWrapper: FC<{
-  const [referenceElement, setReferenceElement] = useState(null);
+  title: ReactNode;
-  const [popperElement, setPopperElement] = useState(null);
+  children: ReactNode;
+  className?: string;
+}> = ({ title, children, className }) => {
+  const [referenceElement, setReferenceElement] = useState(
+    null as HTMLElement | null
+  );
+  const [popperElement, setPopperElement] = useState(
+    null as HTMLElement | null
+  );
   const { styles, attributes } = usePopper(referenceElement, popperElement, {
     placement: "top",
     modifiers: [
       {
         name: "preventOverflow",
         options: {
-          boundariesElement: "viewport",
+          rootBoundary: "viewport",
         },
       },
     ],
@@ -32,22 +39,22 @@ const TooltipWrapper = ({ title, children, className }) => {
   const hideTooltip = () => setIsHovering(false);
 
   useEffect(() => {
-    let timerShow;
+    let timerShow: number | undefined;
-    let timerHide;
+    let timerHide: number | undefined;
 
     if (!isHovering) {
       if (isVisible) {
-        clearTimeout(timerShow);
+        window.clearTimeout(timerShow);
-        timerHide = setTimeout(() => setIsVisible(false), 100);
+        timerHide = window.setTimeout(() => setIsVisible(false), 100);
       }
       setWasClicked(false);
     } else if (wasClicked) {
-      clearTimeout(timerShow);
+      window.clearTimeout(timerShow);
-      clearTimeout(timerHide);
+      window.clearTimeout(timerHide);
       setIsVisible(false);
     } else if (!isVisible && isHovering) {
       clearTimeout(timerHide);
-      timerShow = setTimeout(() => setIsVisible(true), 1000);
+      timerShow = window.setTimeout(() => setIsVisible(true), 1000);
     }
     return () => {
       clearTimeout(timerShow);
@@ -59,11 +66,11 @@ const TooltipWrapper = ({ title, children, className }) => {
     <React.Fragment>
       <div
         onClick={() => setWasClicked(true)}
-        onMouseOver={supportsTouch ? null : showTooltip}
+        onMouseOver={supportsTouch ? undefined : showTooltip}
-        onMouseLeave={supportsTouch ? null : hideTooltip}
+        onMouseLeave={supportsTouch ? undefined : hideTooltip}
-        onTouchStart={supportsTouch ? showTooltip : null}
+        onTouchStart={supportsTouch ? showTooltip : undefined}
-        onTouchCancel={supportsTouch ? hideTooltip : null}
+        onTouchCancel={supportsTouch ? hideTooltip : undefined}
-        onTouchEnd={supportsTouch ? hideTooltip : null}
+        onTouchEnd={supportsTouch ? hideTooltip : undefined}
         ref={setReferenceElement}
         className={`${className ? className : ""} tooltip-trigger`}
       >
@@ -94,10 +101,5 @@ const TooltipWrapper = ({ title, children, className }) => {
     </React.Fragment>
   );
 };
-TooltipWrapper.propTypes = {
-  title: PropTypes.node.isRequired,
-  children: PropTypes.node.isRequired,
-  className: PropTypes.string,
-};
 
 export { TooltipWrapper };

ui/src/Hooks/useDebounce.ts

@@ -1,7 +1,7 @@
 import { useState, useEffect } from "react";
 
 // https://usehooks.com/useDebounce/
-function useDebounce(value, delay) {
+function useDebounce(value: any, delay: number) {
   const [debouncedValue, setDebouncedValue] = useState(value);
 
   useEffect(() => {

ui/src/Hooks/useFetchAny.ts

@@ -4,14 +4,26 @@ import merge from "lodash.merge";
 
 import { CommonOptions } from "Common/Fetch";
 
-const useFetchAny = (upstreams, { fetcher = null } = {}) => {
+interface Upstream {
+  uri: string;
+  options: RequestInit;
+}
+
+interface ResponseState {
+  response: string | null;
+  error: string | null;
+  responseURI: string | null;
+  inProgress: boolean;
+}
+
+const useFetchAny = (upstreams: Upstream[], { fetcher = null } = {}) => {
   const [index, setIndex] = useState(0);
   const [response, setResponse] = useState({
     response: null,
     error: null,
     responseURI: null,
     inProgress: false,
-  });
+  } as ResponseState);
 
   const reset = useCallback(() => {
     setIndex(0);
@@ -39,7 +51,7 @@ const useFetchAny = (upstreams, { fetcher = null } = {}) => {
       try {
         const res = await (fetcher || fetch)(
           uri,
-          merge({}, { method: "GET" }, CommonOptions, options)
+          merge({}, { method: "GET" }, CommonOptions, options) as RequestInit
         );
 
         if (!isCancelled) {

ui/src/Hooks/useFetchDelete.ts

@@ -4,9 +4,9 @@ import merge from "lodash.merge";
 
 import { CommonOptions } from "Common/Fetch";
 
-const useFetchDelete = (uri, options, deps = []) => {
+const useFetchDelete = (uri: string, options: RequestInit, deps = []) => {
-  const [response, setResponse] = useState(null);
+  const [response, setResponse] = useState(null as string | null);
-  const [error, setError] = useState(null);
+  const [error, setError] = useState(null as string | null);
   const [isDeleting, setIsDeleting] = useState(true);
 
   useEffect(() => {

ui/src/Hooks/useFetchGet.ts

@@ -7,11 +7,11 @@ import promiseRetry from "promise-retry";
 import { CommonOptions, FetchRetryConfig } from "Common/Fetch";
 
 const useFetchGet = (
-  uri,
+  uri: string,
   { autorun = true, deps = [], fetcher = null } = {}
 ) => {
-  const [response, setResponse] = useState(null);
+  const [response, setResponse] = useState(null as any);
-  const [error, setError] = useState(null);
+  const [error, setError] = useState(null as string | null);
   const [isLoading, setIsLoading] = useState(true);
   const [isRetrying, setIsRetrying] = useState(false);
   const [retryCount, setRetryCount] = useState(0);
@@ -29,7 +29,7 @@ const useFetchGet = (
       setRetryCount(0);
       setError(null);
       const res = await promiseRetry(
-        (retry, number) =>
+        (retry: Function, number: number) =>
           (fetcher || fetch)(
             uri,
             merge(
@@ -41,7 +41,7 @@ const useFetchGet = (
               {
                 mode: number <= FetchRetryConfig.retries ? "cors" : "no-cors",
               }
-            )
+            ) as RequestInit
           ).catch((err) => {
             if (!isCanceled.current) {
               setIsRetrying(true);

ui/src/Hooks/useFlashTransition.ts

@@ -1,8 +1,10 @@
 import { useState, useEffect, useRef } from "react";
 
+import { TransitionProps } from "react-transition-group/Transition";
+
 import { useInView } from "react-intersection-observer";
 
-const defaultProps = {
+const defaultProps: TransitionProps = {
   in: false,
   classNames: "components-animation-flash",
   timeout: 800,
@@ -11,7 +13,7 @@ const defaultProps = {
   exit: false,
 };
 
-const useFlashTransition = (flashOn) => {
+const useFlashTransition = (flashOn: any) => {
   const mountRef = useRef(false);
   const [ref, inView] = useInView();
   const [isPending, setIsPending] = useState(false);

ui/src/Hooks/useGrid.ts

@@ -1,15 +1,15 @@
 import { useEffect, useRef, useState } from "react";
 
-import Bricks from "bricks.js";
+import Bricks, { SizeDetail, Instance } from "bricks.js";
 
-const useGrid = (sizes) => {
+const useGrid = (sizes: SizeDetail[]) => {
-  const ref = useRef(null);
+  const ref = useRef(null as Node | null);
-  const grid = useRef(null);
+  const grid = useRef(null as Instance | null);
   const [repack, setRepack] = useState(() => () => {});
 
   useEffect(() => {
     if (!grid.current && ref.current) {
-      grid.current = new Bricks({
+      grid.current = Bricks({
         container: ref.current,
         sizes: sizes,
         packed: "packed",

ui/src/Hooks/useOnClickOutside.ts

@@ -1,10 +1,18 @@
-import { useEffect } from "react";
+import { useEffect, RefObject } from "react";
+
+type Handler = (event: MouseEvent | TouchEvent) => void;
 
 // https://usehooks.com/useOnClickOutside/
-function useOnClickOutside(ref, handler, enabled) {
+function useOnClickOutside(
+  ref: RefObject<HTMLElement>,
+  handler: Handler,
+  enabled: boolean
+) {
   useEffect(() => {
-    const listener = (event) => {
+    const listener: { (event: MouseEvent | TouchEvent): void } = (
-      if (!ref.current || ref.current.contains(event.target)) {
+      event: MouseEvent | TouchEvent
+    ) => {
+      if (!ref.current || ref.current.contains(event.target as Node)) {
         return;
       }
       handler(event);

ui/src/react-app-env.d.ts

@@ -3,3 +3,5 @@
 declare module "react-media-hook" {
   function useMediaPredicate(query: string): boolean;
 }
+
+declare module "favico.js";