From 044c265423e71b9d0438251dc0d8c79facea0d0b Mon Sep 17 00:00:00 2001
From: Alex <33497058+bexsoft@users.noreply.github.com>
Date: Wed, 15 Nov 2023 13:33:05 -0600
Subject: [PATCH] Enabled Dark Mode in Console (#3129)

- Dark mode will be tied to system settings if not set
- Dark mode will be stored in Application storage once set

Signed-off-by: Benjamin Perez <benjamin@bexsoft.net>
---
 portal-ui/package.json                        |   2 +-
 portal-ui/src/StyleHandler.tsx                |   6 +-
 .../DarkModeActivator/DarkModeActivator.tsx   |  48 ++
 .../PageHeaderWrapper/PageHeaderWrapper.tsx   |   2 +
 .../screens/Console/License/LicensePlans.tsx  | 500 +++++++++---------
 .../src/screens/LoginPage/loginThunks.ts      |  10 +-
 portal-ui/src/systemSlice.ts                  |   7 +
 portal-ui/src/utils/stylesUtils.ts            |  16 +
 portal-ui/yarn.lock                           |   6 +-
 9 files changed, 344 insertions(+), 253 deletions(-)
 create mode 100644 portal-ui/src/screens/Console/Common/DarkModeActivator/DarkModeActivator.tsx

diff --git a/portal-ui/package.json b/portal-ui/package.json
index cb73237a8..f7860a8c2 100644
--- a/portal-ui/package.json
+++ b/portal-ui/package.json
@@ -10,7 +10,7 @@
     "local-storage-fallback": "^4.1.1",
     "lodash": "^4.17.21",
     "luxon": "^3.4.3",
-    "mds": "https://github.com/minio/mds.git#v0.12.1",
+    "mds": "https://github.com/minio/mds.git#v0.12.2",
     "react": "^18.1.0",
     "react-component-export-image": "^1.0.6",
     "react-copy-to-clipboard": "^5.0.2",
diff --git a/portal-ui/src/StyleHandler.tsx b/portal-ui/src/StyleHandler.tsx
index 5cf2fa4c2..90e0e84ae 100644
--- a/portal-ui/src/StyleHandler.tsx
+++ b/portal-ui/src/StyleHandler.tsx
@@ -31,6 +31,7 @@ const StyleHandler = ({ children }: IStyleHandler) => {
   const colorVariants = useSelector(
     (state: AppState) => state.system.overrideStyles,
   );
+  const darkMode = useSelector((state: AppState) => state.system.darkMode);
 
   let thm = undefined;
 
@@ -38,11 +39,12 @@ const StyleHandler = ({ children }: IStyleHandler) => {
     thm = generateOverrideTheme(colorVariants);
   }
 
-  // ThemeHandler is needed for MDS components theming. Eventually we will remove Theme Provider & use only mds themes.
   return (
     <Fragment>
       <GlobalStyles />
-      <ThemeHandler customTheme={thm}>{children}</ThemeHandler>
+      <ThemeHandler darkMode={darkMode} customTheme={thm}>
+        {children}
+      </ThemeHandler>
     </Fragment>
   );
 };
diff --git a/portal-ui/src/screens/Console/Common/DarkModeActivator/DarkModeActivator.tsx b/portal-ui/src/screens/Console/Common/DarkModeActivator/DarkModeActivator.tsx
new file mode 100644
index 000000000..2d4131c6d
--- /dev/null
+++ b/portal-ui/src/screens/Console/Common/DarkModeActivator/DarkModeActivator.tsx
@@ -0,0 +1,48 @@
+// This file is part of MinIO Console Server
+// Copyright (c) 2023 MinIO, Inc.
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+import React from "react";
+import { Button, DarkModeIcon } from "mds";
+import TooltipWrapper from "../TooltipWrapper/TooltipWrapper";
+import { useSelector } from "react-redux";
+import { AppState, useAppDispatch } from "../../../../store";
+import { setDarkMode } from "../../../../systemSlice";
+import { storeDarkMode } from "../../../../utils/stylesUtils";
+
+const DarkModeActivator = () => {
+  const dispatch = useAppDispatch();
+
+  const darkMode = useSelector((state: AppState) => state.system.darkMode);
+
+  const darkModeActivator = () => {
+    const currentStatus = !!darkMode;
+
+    dispatch(setDarkMode(!currentStatus));
+    storeDarkMode(!currentStatus ? "on" : "off");
+  };
+
+  return (
+    <TooltipWrapper tooltip={`${darkMode ? "Light" : "Dark"} Mode`}>
+      <Button
+        id={"dark-mode-activator"}
+        icon={<DarkModeIcon />}
+        onClick={darkModeActivator}
+      />
+    </TooltipWrapper>
+  );
+};
+
+export default DarkModeActivator;
diff --git a/portal-ui/src/screens/Console/Common/PageHeaderWrapper/PageHeaderWrapper.tsx b/portal-ui/src/screens/Console/Common/PageHeaderWrapper/PageHeaderWrapper.tsx
index 516fa5802..a524147a4 100644
--- a/portal-ui/src/screens/Console/Common/PageHeaderWrapper/PageHeaderWrapper.tsx
+++ b/portal-ui/src/screens/Console/Common/PageHeaderWrapper/PageHeaderWrapper.tsx
@@ -17,6 +17,7 @@
 import React, { Fragment } from "react";
 import { PageHeader } from "mds";
 import ObjectManagerButton from "../ObjectManager/ObjectManagerButton";
+import DarkModeActivator from "../DarkModeActivator/DarkModeActivator";
 
 interface IPageHeaderWrapper {
   label: React.ReactNode;
@@ -35,6 +36,7 @@ const PageHeaderWrapper = ({
       actions={
         <Fragment>
           {actions}
+          <DarkModeActivator />
           <ObjectManagerButton />
         </Fragment>
       }
diff --git a/portal-ui/src/screens/Console/License/LicensePlans.tsx b/portal-ui/src/screens/Console/License/LicensePlans.tsx
index 8980c3a84..d5d4eb65d 100644
--- a/portal-ui/src/screens/Console/License/LicensePlans.tsx
+++ b/portal-ui/src/screens/Console/License/LicensePlans.tsx
@@ -36,6 +36,8 @@ import {
   PAID_PLANS,
   STANDARD_PLAN_FEATURES,
 } from "./utils";
+import styled from "styled-components";
+import get from "lodash/get";
 
 interface IRegisterStatus {
   activateProductModal: any;
@@ -45,6 +47,252 @@ interface IRegisterStatus {
   setActivateProductModal: any;
 }
 
+const PlanListContainer = styled.div(({ theme }) => ({
+  display: "grid",
+
+  margin: "0 1.5rem 0 1.5rem",
+
+  gridTemplateColumns: "1fr 1fr 1fr 1fr",
+
+  [`@media (max-width: ${breakPoints.sm}px)`]: {
+    gridTemplateColumns: "1fr 1fr 1fr",
+  },
+
+  "&.paid-plans-only": {
+    display: "grid",
+    gridTemplateColumns: "1fr 1fr 1fr",
+  },
+
+  "& .features-col": {
+    flex: 1,
+    minWidth: "260px",
+
+    "@media (max-width: 600px)": {
+      display: "none",
+    },
+  },
+
+  "& .xs-only": {
+    display: "none",
+  },
+
+  "& .button-box": {
+    display: "flex",
+    alignItems: "center",
+    justifyContent: "center",
+    padding: "5px 0px 25px 0px",
+    borderLeft: `1px solid ${get(theme, "borderColor", "#EAEAEA")}`,
+  },
+  "& .plan-header": {
+    height: "99px",
+    borderBottom: `1px solid ${get(theme, "borderColor", "#EAEAEA")}`,
+  },
+  "& .feature-title": {
+    height: "25px",
+    paddingLeft: "26px",
+    fontSize: "14px",
+
+    background: get(theme, "signalColors.disabled", "#E5E5E5"),
+    color: get(theme, "signalColors.main", "#07193E"),
+
+    "@media (max-width: 600px)": {
+      "& .feature-title-info .xs-only": {
+        display: "block",
+      },
+    },
+  },
+  "& .feature-name": {
+    minHeight: "60px",
+    padding: "5px",
+    borderBottom: `1px solid ${get(theme, "borderColor", "#EAEAEA")}`,
+    display: "flex",
+    alignItems: "center",
+    paddingLeft: "26px",
+    fontSize: "14px",
+  },
+  "& .feature-item": {
+    display: "flex",
+    flexFlow: "column",
+    alignItems: "center",
+    justifyContent: "center",
+    minHeight: "60px",
+    padding: "0 15px 0 15px",
+    borderBottom: `1px solid ${get(theme, "borderColor", "#EAEAEA")}`,
+    borderLeft: `1px solid ${get(theme, "borderColor", "#EAEAEA")}`,
+    fontSize: "14px",
+    "& .link-text": {
+      color: "#2781B0",
+      cursor: "pointer",
+      textDecoration: "underline",
+    },
+
+    "&.icon-yes": {
+      width: "15px",
+      height: "15px",
+    },
+  },
+
+  "& .feature-item-info": {
+    flex: 1,
+    display: "flex",
+    flexFlow: "column",
+    alignItems: "center",
+    justifyContent: "space-around",
+    textAlign: "center",
+
+    "@media (max-width: 600px)": {
+      justifyContent: "space-evenly",
+      width: "100%",
+      "& .xs-only": {
+        display: "block",
+      },
+      "& .plan-feature": {
+        textAlign: "center",
+        paddingRight: "10px",
+      },
+    },
+  },
+
+  "& .plan-col": {
+    minWidth: "260px",
+    flex: 1,
+  },
+
+  "& .active-plan-col": {
+    background: `${get(
+      theme,
+      "boxBackground",
+      "#FDFDFD",
+    )} 0% 0% no-repeat padding-box`,
+    boxShadow: " 0px 3px 20px #00000038",
+
+    "& .plan-header": {
+      backgroundColor: get(theme, "signalColors.info", "#2781B0"),
+    },
+
+    "& .feature-title": {
+      background: get(theme, "signalColors.disabled", "#E5E5E5"),
+      color: get(theme, "fontColor", "#000"),
+    },
+  },
+}));
+
+const PlanHeaderContainer = styled.div(({ theme }) => ({
+  display: "flex",
+  alignItems: "flex-start",
+  justifyContent: "center",
+  flexFlow: "column",
+  borderLeft: `1px solid ${get(theme, "borderColor", "#EAEAEA")}`,
+  borderBottom: "0px !important",
+  "& .plan-header": {
+    display: "flex",
+    alignItems: "center",
+    justifyContent: "center",
+    flexFlow: "column",
+  },
+
+  "& .title-block": {
+    display: "flex",
+    alignItems: "center",
+    flexFlow: "column",
+    width: "100%",
+    "& .title-main": {
+      display: "flex",
+      alignItems: "center",
+      justifyContent: "center",
+      flex: 1,
+    },
+    "& .iconContainer": {
+      "& .min-icon": {
+        minWidth: 140,
+        width: "100%",
+        maxHeight: 55,
+        height: "100%",
+      },
+    },
+  },
+
+  "& .open-source": {
+    fontSize: "14px",
+    display: "flex",
+    marginBottom: "5px",
+    alignItems: "center",
+    "& .min-icon": {
+      marginRight: "8px",
+      height: "12px",
+      width: "12px",
+    },
+  },
+
+  "& .cur-plan-text": {
+    fontSize: "12px",
+    textTransform: "uppercase",
+  },
+
+  "@media (max-width: 600px)": {
+    cursor: "pointer",
+    "& .title-block": {
+      "& .title": {
+        fontSize: "14px",
+        fontWeight: 600,
+      },
+    },
+  },
+
+  "&.active, &.active.xs-active": {
+    color: "#ffffff",
+    position: "relative",
+
+    "& .min-icon": {
+      fill: "#ffffff",
+    },
+
+    "&:before": {
+      content: "' '",
+      position: "absolute",
+      width: "100%",
+      height: "18px",
+      backgroundColor: get(theme, "signalColors.info", "#2781B0"),
+      display: "block",
+      top: -16,
+    },
+    "& .iconContainer": {
+      "& .min-icon": {
+        marginTop: "-12px",
+      },
+    },
+  },
+  "&.active": {
+    backgroundColor: get(theme, "signalColors.info", "#2781B0"),
+    color: "#ffffff",
+  },
+  "&.xs-active": {
+    background: "#eaeaea",
+  },
+}));
+
+const ListContainer = styled.div(({ theme }) => ({
+  border: `1px solid ${get(theme, "borderColor", "#EAEAEA")}`,
+  borderTop: "0px",
+  marginBottom: "45px",
+  "&::-webkit-scrollbar": {
+    width: "5px",
+    height: "5px",
+  },
+  "&::-webkit-scrollbar-track": {
+    background: "#F0F0F0",
+    borderRadius: 0,
+    boxShadow: "inset 0px 0px 0px 0px #F0F0F0",
+  },
+  "&::-webkit-scrollbar-thumb": {
+    background: "#777474",
+    borderRadius: 0,
+  },
+  "&::-webkit-scrollbar-thumb:hover": {
+    background: "#5A6375",
+  },
+}));
+
 const PlanHeader = ({
   isActive,
   isXsViewActive,
@@ -61,7 +309,7 @@ const PlanHeader = ({
 }) => {
   const plan = title.toLowerCase();
   return (
-    <Box
+    <PlanHeaderContainer
       className={clsx({
         "plan-header": true,
         active: isActive,
@@ -70,102 +318,9 @@ const PlanHeader = ({
       onClick={() => {
         onClick && onClick(plan);
       }}
-      sx={{
-        display: "flex",
-        alignItems: "flex-start",
-        justifyContent: "center",
-        flexFlow: "column",
-        borderLeft: "1px solid #eaeaea",
-        borderBottom: "0px !important",
-        "& .plan-header": {
-          display: "flex",
-          alignItems: "center",
-          justifyContent: "center",
-          flexFlow: "column",
-        },
-
-        "& .title-block": {
-          display: "flex",
-          alignItems: "center",
-          flexFlow: "column",
-          width: "100%",
-          "& .title-main": {
-            display: "flex",
-            alignItems: "center",
-            justifyContent: "center",
-            flex: 1,
-          },
-          "& .iconContainer": {
-            "& .min-icon": {
-              minWidth: 140,
-              width: "100%",
-              maxHeight: 55,
-              height: "100%",
-            },
-          },
-        },
-
-        "& .open-source": {
-          fontSize: "14px",
-          display: "flex",
-          marginBottom: "5px",
-          alignItems: "center",
-          "& .min-icon": {
-            marginRight: "8px",
-            height: "12px",
-            width: "12px",
-          },
-        },
-
-        "& .cur-plan-text": {
-          fontSize: "12px",
-          textTransform: "uppercase",
-        },
-
-        "@media (max-width: 600px)": {
-          cursor: "pointer",
-          "& .title-block": {
-            "& .title": {
-              fontSize: "14px",
-              fontWeight: 600,
-            },
-          },
-        },
-
-        "&.active, &.active.xs-active": {
-          color: "#ffffff",
-          position: "relative",
-
-          "& .min-icon": {
-            fill: "#ffffff",
-          },
-
-          "&:before": {
-            content: "' '",
-            position: "absolute",
-            width: "100%",
-            height: "18px",
-            backgroundColor: "#2781B0",
-            display: "block",
-            top: -16,
-          },
-          "& .iconContainer": {
-            "& .min-icon": {
-              marginTop: "-12px",
-            },
-          },
-        },
-        "&.active": {
-          background: "#2781B0",
-          color: "#ffffff",
-        },
-        "&.xs-active": {
-          background: "#eaeaea",
-        },
-      }}
     >
       {children}
-    </Box>
+    </PlanHeaderContainer>
   );
 };
 
@@ -344,29 +499,7 @@ const LicensePlans = ({ licenseInfo }: IRegisterStatus) => {
   const featureList = FEATURE_ITEMS;
   return (
     <Fragment>
-      <Box
-        sx={{
-          border: "1px solid #eaeaea",
-          borderTop: "0px",
-          marginBottom: "45px",
-          "&::-webkit-scrollbar": {
-            width: "5px",
-            height: "5px",
-          },
-          "&::-webkit-scrollbar-track": {
-            background: "#F0F0F0",
-            borderRadius: 0,
-            boxShadow: "inset 0px 0px 0px 0px #F0F0F0",
-          },
-          "&::-webkit-scrollbar-thumb": {
-            background: "#777474",
-            borderRadius: 0,
-          },
-          "&::-webkit-scrollbar-thumb:hover": {
-            background: "#5A6375",
-          },
-        }}
-      >
+      <ListContainer>
         <Box
           className={"title-blue-bar"}
           sx={{
@@ -374,132 +507,7 @@ const LicensePlans = ({ licenseInfo }: IRegisterStatus) => {
             borderBottom: "8px solid rgb(6 48 83)",
           }}
         />
-        <Box
-          className={isPaidPlan ? "paid-plans-only" : ""}
-          sx={{
-            display: "grid",
-
-            margin: "0 1.5rem 0 1.5rem",
-
-            gridTemplateColumns: "1fr 1fr 1fr 1fr",
-
-            [`@media (max-width: ${breakPoints.sm}px)`]: {
-              gridTemplateColumns: "1fr 1fr 1fr",
-            },
-
-            "&.paid-plans-only": {
-              display: "grid",
-              gridTemplateColumns: "1fr 1fr 1fr",
-            },
-
-            "& .features-col": {
-              flex: 1,
-              minWidth: "260px",
-
-              "@media (max-width: 600px)": {
-                display: "none",
-              },
-            },
-
-            "& .xs-only": {
-              display: "none",
-            },
-
-            "& .button-box": {
-              display: "flex",
-              alignItems: "center",
-              justifyContent: "center",
-              padding: "5px 0px 25px 0px",
-              borderLeft: "1px solid #eaeaea",
-            },
-            "& .plan-header": {
-              height: "99px",
-              borderBottom: "1px solid #eaeaea",
-            },
-            "& .feature-title": {
-              height: "25px",
-              paddingLeft: "26px",
-              fontSize: "14px",
-
-              background: "#E5E5E5",
-
-              "@media (max-width: 600px)": {
-                "& .feature-title-info .xs-only": {
-                  display: "block",
-                },
-              },
-            },
-            "& .feature-name": {
-              minHeight: "60px",
-              padding: "5px",
-              borderBottom: "1px solid #eaeaea",
-              display: "flex",
-              alignItems: "center",
-              paddingLeft: "26px",
-              fontSize: "14px",
-            },
-            "& .feature-item": {
-              display: "flex",
-              flexFlow: "column",
-              alignItems: "center",
-              justifyContent: "center",
-              minHeight: "60px",
-              padding: "0 15px 0 15px",
-              borderBottom: "1px solid #eaeaea",
-              borderLeft: " 1px solid #eaeaea",
-              fontSize: "14px",
-              "& .link-text": {
-                color: "#2781B0",
-                cursor: "pointer",
-                textDecoration: "underline",
-              },
-
-              "&.icon-yes": {
-                width: "15px",
-                height: "15px",
-              },
-            },
-
-            "& .feature-item-info": {
-              flex: 1,
-              display: "flex",
-              flexFlow: "column",
-              alignItems: "center",
-              justifyContent: "space-around",
-              textAlign: "center",
-
-              "@media (max-width: 600px)": {
-                justifyContent: "space-evenly",
-                width: "100%",
-                "& .xs-only": {
-                  display: "block",
-                },
-                "& .plan-feature": {
-                  textAlign: "center",
-                  paddingRight: "10px",
-                },
-              },
-            },
-
-            "& .plan-col": {
-              minWidth: "260px",
-              flex: 1,
-            },
-
-            "& .active-plan-col": {
-              background: "#FDFDFD 0% 0% no-repeat padding-box",
-              boxShadow: " 0px 3px 20px #00000038",
-
-              "& .plan-header": {
-                backgroundColor: "#2781B0",
-              },
-
-              "& .feature-title": {
-                background: "#F7F7F7",
-              },
-            },
-          }}
-        >
+        <PlanListContainer className={isPaidPlan ? "paid-plans-only" : ""}>
           <Box className="features-col">
             {featureList.map((fi) => {
               const featureTitleRow = fi.featureTitleRow;
@@ -732,8 +740,8 @@ const LicensePlans = ({ licenseInfo }: IRegisterStatus) => {
               )}
             </Box>
           </Box>
-        </Box>
-      </Box>
+        </PlanListContainer>
+      </ListContainer>
     </Fragment>
   );
 };
diff --git a/portal-ui/src/screens/LoginPage/loginThunks.ts b/portal-ui/src/screens/LoginPage/loginThunks.ts
index 2e8cdeb6c..ad6782899 100644
--- a/portal-ui/src/screens/LoginPage/loginThunks.ts
+++ b/portal-ui/src/screens/LoginPage/loginThunks.ts
@@ -16,12 +16,17 @@
 
 import { createAsyncThunk } from "@reduxjs/toolkit";
 import { AppState } from "../../store";
-import { setErrorSnackMessage, userLogged } from "../../systemSlice";
+import {
+  setDarkMode,
+  setErrorSnackMessage,
+  userLogged,
+} from "../../systemSlice";
 import { setNavigateTo } from "./loginSlice";
 import { getTargetPath } from "./Login";
 import { api } from "api";
 import { ApiError, LoginRequest } from "api/consoleApi";
 import { errorToHandler } from "api/errors";
+import { isDarkModeOn } from "../../utils/stylesUtils";
 
 export const doLoginAsync = createAsyncThunk(
   "login/doLoginAsync",
@@ -47,10 +52,13 @@ export const doLoginAsync = createAsyncThunk(
     return api.login
       .login(payload)
       .then((res) => {
+        const darkModeEnabled = isDarkModeOn(); // If null, then we set the dark mode as disabled per requirement. If configuration al ready set, then we establish this configuration
+
         // We set the state in redux
         dispatch(userLogged(true));
         localStorage.setItem("userLoggedIn", accessKey);
         dispatch(setNavigateTo(getTargetPath()));
+        dispatch(setDarkMode(!!darkModeEnabled));
       })
       .catch(async (res) => {
         const err = (await res.json()) as ApiError;
diff --git a/portal-ui/src/systemSlice.ts b/portal-ui/src/systemSlice.ts
index c4da657f7..abefbd4f3 100644
--- a/portal-ui/src/systemSlice.ts
+++ b/portal-ui/src/systemSlice.ts
@@ -18,6 +18,7 @@ import { snackBarMessage, SRInfoStateType } from "./types";
 import { ErrorResponseHandler, IEmbeddedCustomStyles } from "./common/types";
 import { AppState } from "./store";
 import { SubnetInfo } from "./screens/Console/License/types";
+import { isDarkModeOn } from "./utils/stylesUtils";
 
 // determine whether we have the sidebar state stored on localstorage
 const initSideBarOpen = localStorage.getItem("sidebarOpen")
@@ -45,6 +46,7 @@ export interface SystemState {
   helpName: string;
   helpTabName: string;
   locationPath: string;
+  darkMode: boolean;
 }
 
 const initialState: SystemState = {
@@ -76,6 +78,7 @@ const initialState: SystemState = {
   helpName: "help",
   helpTabName: "docs",
   locationPath: "",
+  darkMode: isDarkModeOn(),
 };
 
 export const systemSlice = createSlice({
@@ -174,6 +177,9 @@ export const systemSlice = createSlice({
     setLocationPath: (state, action: PayloadAction<string>) => {
       state.locationPath = action.payload;
     },
+    setDarkMode: (state, action: PayloadAction<boolean>) => {
+      state.darkMode = action.payload;
+    },
     resetSystem: () => {
       return initialState;
     },
@@ -203,6 +209,7 @@ export const {
   setHelpName,
   setHelpTabName,
   setLocationPath,
+  setDarkMode,
 } = systemSlice.actions;
 
 export const selDistSet = (state: AppState) => state.system.distributedSetup;
diff --git a/portal-ui/src/utils/stylesUtils.ts b/portal-ui/src/utils/stylesUtils.ts
index 66090a4bb..41836367a 100644
--- a/portal-ui/src/utils/stylesUtils.ts
+++ b/portal-ui/src/utils/stylesUtils.ts
@@ -15,6 +15,7 @@
 // along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 import { IEmbeddedCustomStyles } from "../common/types";
+import get from "lodash/get";
 
 export const getOverrideColorVariants: (
   customStyles: string,
@@ -279,3 +280,18 @@ export const generateOverrideTheme = (overrideVars: IEmbeddedCustomStyles) => {
 
   return retVal;
 };
+
+export const isDarkModeOn = () => {
+  const darkMode = localStorage.getItem("dark-mode");
+
+  if (!darkMode) {
+    const systemDarkMode = window.matchMedia("(prefers-color-scheme: dark)");
+    return get(systemDarkMode, "matches", false);
+  }
+
+  return darkMode === "on";
+};
+
+export const storeDarkMode = (mode: "on" | "off") => {
+  localStorage.setItem("dark-mode", mode);
+};
diff --git a/portal-ui/yarn.lock b/portal-ui/yarn.lock
index cd8ad4898..ed9839f5e 100644
--- a/portal-ui/yarn.lock
+++ b/portal-ui/yarn.lock
@@ -8038,9 +8038,9 @@ mdn-data@2.0.4:
   resolved "https://registry.yarnpkg.com/mdn-data/-/mdn-data-2.0.4.tgz#699b3c38ac6f1d728091a64650b65d388502fd5b"
   integrity sha512-iV3XNKw06j5Q7mi6h+9vbx23Tv7JkjEVgKHW4pimwyDGWm0OIQntJJ+u1C6mg6mK1EaTv42XQ7w76yuzH7M2cA==
 
-"mds@https://github.com/minio/mds.git#v0.12.1":
-  version "0.12.1"
-  resolved "https://github.com/minio/mds.git#4c4b18d022eed7c120a044709e677b25bc4500d7"
+"mds@https://github.com/minio/mds.git#v0.12.2":
+  version "0.12.2"
+  resolved "https://github.com/minio/mds.git#82b14ea9544079a24db31e5cff477e3fc56c4e39"
   dependencies:
     "@types/styled-components" "^5.1.30"
     "@uiw/react-textarea-code-editor" "^2.1.9"