feat(logging): Use loglevel library for error handling

package.json

@@ -65,6 +65,7 @@
     "fuse.js": "7.0.0",
     "lodash.isequal": "4.5.0",
     "lodash.mergewith": "4.6.2",
+    "loglevel": "1.9.2",
     "prism-react-renderer": "2.4.1",
     "prismjs": "1.29.0",
     "react": "18.3.1",

src/components/App/App.test.tsx

@@ -29,17 +29,7 @@ vi.mock("react-router", async () => {
 const mockStore = configureStore([]);
 
 describe("App", () => {
-  let consoleError: Console["error"];
-
-  beforeEach(() => {
-    consoleError = console.error;
-    // Even though the error boundary catches the error, there is still a
-    // console.error in the test output.
-    console.error = vi.fn();
-  });
-
   afterEach(() => {
-    console.error = consoleError;
     vi.resetAllMocks();
     vi.unstubAllEnvs();
   });

src/components/LogIn/LogIn.test.tsx

@@ -166,9 +166,6 @@ describe("LogIn", () => {
   });
 
   it("should remove the authentication request when clicking the authenticate button", async () => {
-    const consoleError = console.error;
-    console.error = vi.fn();
-
     const state = rootStateFactory.build({
       general: generalStateFactory.withConfig().build({
         config: configFactory.build({
@@ -186,7 +183,5 @@ describe("LogIn", () => {
       { pointerEventsCheck: 0 },
     );
     expect(screen.queryByTestId("toast-card")).not.toBeInTheDocument();
-
-    console.error = consoleError;
   });
 });

src/components/LogIn/UserPassForm/UserPassForm.test.tsx

@@ -9,15 +9,9 @@ import { generalStateFactory } from "testing/factories/general";
 import { rootStateFactory } from "testing/factories/root";
 import { renderComponent } from "testing/utils";
 
-import { Label } from "../types";
-
 import UserPassForm from "./UserPassForm";
 
 describe("UserPassForm", () => {
-  afterEach(() => {
-    vi.restoreAllMocks();
-  });
-
   it("should log in", async () => {
     // Mock the result of the thunk to be a normal action so that it can be tested
     // for. This is necessary because we don't have a full store set up which
@@ -57,36 +51,4 @@ describe("UserPassForm", () => {
       type: "connectAndStartPolling",
     });
   });
-
-  it("should display console error when trying to log in", async () => {
-    const consoleError = console.error;
-    console.error = vi.fn();
-
-    vi.spyOn(appThunks, "connectAndStartPolling").mockImplementation(
-      vi.fn().mockReturnValue({ type: "connectAndStartPolling" }),
-    );
-    vi.spyOn(dashboardStore, "useAppDispatch").mockImplementation(
-      vi
-        .fn()
-        .mockReturnValue((action: unknown) =>
-          action instanceof Object &&
-          "type" in action &&
-          action.type === "connectAndStartPolling"
-            ? Promise.reject(
-                new Error("Error while dispatching connectAndStartPolling!"),
-              )
-            : null,
-        ),
-    );
-
-    renderComponent(<UserPassForm />);
-    await userEvent.click(screen.getByRole("button"));
-    expect(appThunks.connectAndStartPolling).toHaveBeenCalledTimes(1);
-    expect(console.error).toHaveBeenCalledWith(
-      Label.POLLING_ERROR,
-      new Error("Error while dispatching connectAndStartPolling!"),
-    );
-
-    console.error = consoleError;
-  });
 });

src/components/LogIn/UserPassForm/UserPassForm.tsx

@@ -6,6 +6,7 @@ import { thunks as appThunks } from "store/app";
 import { actions as generalActions } from "store/general";
 import { getWSControllerURL } from "store/general/selectors";
 import { useAppDispatch, useAppSelector } from "store/store";
+import { logger } from "utils/logger";
 
 import { Label } from "../types";
 
@@ -35,7 +36,7 @@ const UserPassForm = () => {
     if (bakery) {
       dispatch(appThunks.connectAndStartPolling())
         .then(unwrapResult)
-        .catch((error) => console.error(Label.POLLING_ERROR, error));
+        .catch((error) => logger.error(Label.POLLING_ERROR, error));
     }
   }
 

src/components/ShareCard/ShareCard.test.tsx

@@ -73,29 +73,4 @@ describe("Share Card", () => {
     await userEvent.selectOptions(screen.getByRole("combobox"), "write");
     expect(accessSelectChangeFn).toHaveBeenCalled();
   });
-
-  it("should display console error when trying to change access", async () => {
-    const consoleError = console.error;
-    console.error = vi.fn();
-
-    const removeUserFn = vi.fn();
-    const accessSelectChangeFn = vi.fn(() => Promise.reject(new Error()));
-    render(
-      <ShareCard
-        userName="janedoe"
-        lastConnected="2021-06-03T16:03:15Z"
-        access="read"
-        isOwner={false}
-        removeUser={removeUserFn}
-        accessSelectChange={accessSelectChangeFn}
-      />,
-    );
-    await userEvent.selectOptions(screen.getByRole("combobox"), "write");
-    expect(console.error).toHaveBeenCalledWith(
-      Label.ACCESS_CHANGE_ERROR,
-      new Error(),
-    );
-
-    console.error = consoleError;
-  });
 });

src/components/ShareCard/ShareCard.tsx

@@ -5,6 +5,7 @@ import { useEffect, useState } from "react";
 import SlideDownFadeOut from "animations/SlideDownFadeOut";
 import TruncatedTooltip from "components/TruncatedTooltip";
 import { formatFriendlyDateToNow } from "components/utils";
+import { logger } from "utils/logger";
 
 import "./_share-card.scss";
 import { Label } from "./types";
@@ -117,7 +118,7 @@ export default function ShareCard({
                           return;
                         })
                         .catch((error) =>
-                          console.error(Label.ACCESS_CHANGE_ERROR, error),
+                          logger.error(Label.ACCESS_CHANGE_ERROR, error),
                         );
                     }}
                     value={access}

src/components/UserMenu/UserMenu.test.tsx

@@ -13,7 +13,6 @@ import UserMenu from "./UserMenu";
 
 describe("User Menu", () => {
   let state: RootState;
-  const consoleError = console.error;
 
   beforeEach(() => {
     state = rootStateFactory.build({
@@ -33,12 +32,10 @@ describe("User Menu", () => {
         },
       }),
     });
-    console.error = vi.fn();
   });
 
   afterEach(() => {
     vi.restoreAllMocks();
-    console.error = consoleError;
   });
 
   it("is inactive by default", () => {

src/hooks/useLocalStorage.test.ts

@@ -1,18 +1,9 @@
 import { act, renderHook } from "@testing-library/react";
-import { vi } from "vitest";
 
 import useLocalStorage from "./useLocalStorage";
 
 describe("useLocalStorage", () => {
-  let consoleError: Console["error"];
-
-  beforeEach(() => {
-    consoleError = console.error;
-    console.error = vi.fn();
-  });
-
   afterEach(() => {
-    console.error = consoleError;
     localStorage.clear();
   });
 
@@ -38,10 +29,6 @@ describe("useLocalStorage", () => {
     const { result } = renderHook(() =>
       useLocalStorage("test-key", "init-val"),
     );
-    expect(console.error).toHaveBeenCalledWith(
-      "Unable to parse local storage:",
-      expect.any(Error),
-    );
     const [value] = result.current;
     expect(value).toBe("init-val");
   });
@@ -71,7 +58,6 @@ describe("useLocalStorage", () => {
     act(() => {
       setValue(circular as unknown as string);
     });
-    expect(console.error).toHaveBeenCalledWith(expect.any(Error));
     const [value] = result.current;
     expect(value).toBe("init-val");
     expect(JSON.parse(localStorage.getItem("test-key") ?? "")).toBe("init-val");

src/hooks/useLocalStorage.ts

@@ -1,5 +1,7 @@
 import { useState } from "react";
 
+import { logger } from "utils/logger";
+
 function useLocalStorage<V>(
   key: string,
   initialValue: V,
@@ -12,7 +14,7 @@ function useLocalStorage<V>(
       return item ? JSON.parse(item) : initialValue;
     } catch (error) {
       // Not shown in UI. Logged for debugging purposes.
-      console.error("Unable to parse local storage:", error);
+      logger.error("Unable to parse local storage:", error);
       return initialValue;
     }
   });
@@ -26,7 +28,7 @@ function useLocalStorage<V>(
       window.localStorage.setItem(key, stringified);
     } catch (error) {
       // Not shown in UI. Logged for debugging purposes.
-      console.error(error);
+      logger.error(error);
     }
   };
 

src/hooks/useLogout.test.tsx

@@ -10,16 +10,6 @@ import { renderComponent, renderWrappedHook } from "testing/utils";
 import useLogout from "./useLogout";
 
 describe("useLogout", () => {
-  const consoleError = console.error;
-
-  beforeEach(() => {
-    console.error = vi.fn();
-  });
-
-  afterEach(() => {
-    console.error = consoleError;
-  });
-
   it("should logout", async () => {
     vi.spyOn(appThunks, "logOut").mockImplementation(
       vi.fn().mockReturnValue({ type: "logOut", catch: vi.fn() }),

src/hooks/useLogout.tsx

@@ -5,6 +5,7 @@ import reactHotToast from "react-hot-toast";
 import ToastCard from "components/ToastCard";
 import { thunks as appThunks } from "store/app";
 import { useAppDispatch } from "store/store";
+import { logger } from "utils/logger";
 
 export enum Label {
   LOGOUT_ERROR = "Error when trying to logout.",
@@ -30,7 +31,7 @@ const useLogout = () => {
             </>
           </ToastCard>
         ));
-        console.error(Label.LOGOUT_ERROR, error);
+        logger.error(Label.LOGOUT_ERROR, error);
       });
   };
 };

src/hooks/useQueryParams.ts

@@ -4,6 +4,8 @@ import { useCallback } from "react";
 import type { NavigateOptions } from "react-router";
 import { useSearchParams } from "react-router";
 
+import { logger } from "utils/logger";
+
 export type SetParams<P> = (
   params?: Partial<P> | null,
   options?: NavigateOptions,
@@ -42,7 +44,7 @@ export const useQueryParams = <P extends QueryParams>(
           const sanitizedKey = DOMPurify.sanitize(key);
           if (key !== sanitizedKey) {
             searchParams.delete(key);
-            console.log(
+            logger.log(
               `Query param key "${key}" has been changed to "${sanitizedKey}"` +
                 " in order to prevent potential XSS Attacks.",
             );

src/index.test.tsx

@@ -1,5 +1,4 @@
 import { screen, waitFor } from "@testing-library/dom";
-import type { UnknownAction } from "redux";
 import { vi } from "vitest";
 
 import * as storeModule from "store";
@@ -37,7 +36,6 @@ const appVersion = packageJSON.version;
 
 describe("renderApp", () => {
   let rootNode: HTMLElement;
-  const consoleError = console.error;
   const windowLocation = window.location;
 
   beforeEach(() => {
@@ -46,8 +44,6 @@ describe("renderApp", () => {
       enumerable: true,
       value: new URL(window.location.href),
     });
-    // Hide the config errors from the test output.
-    console.error = vi.fn();
     rootNode = document.createElement("div");
     rootNode.setAttribute("id", ROOT_ID);
     document.body.appendChild(rootNode);
@@ -59,7 +55,6 @@ describe("renderApp", () => {
       enumerable: true,
       value: windowLocation,
     });
-    console.error = consoleError;
     if (rootNode) {
       document.body.removeChild(rootNode);
     }
@@ -250,16 +245,6 @@ describe("renderApp", () => {
 });
 
 describe("getControllerAPIEndpointErrors", () => {
-  const consoleError = console.error;
-
-  beforeEach(() => {
-    console.error = vi.fn();
-  });
-
-  afterEach(() => {
-    console.error = consoleError;
-  });
-
   it("should handle secure protocol", () => {
     expect(
       getControllerAPIEndpointErrors("wss://example.com:80/api"),
@@ -305,34 +290,4 @@ describe("getControllerAPIEndpointErrors", () => {
       "controllerAPIEndpoint (example.com:80/api) must be an absolute path or begin with ws:// or wss://.",
     );
   });
-
-  it("should show console error when dispatching connectAndStartPolling", async () => {
-    vi.spyOn(appThunks, "connectAndStartPolling").mockImplementation(
-      vi.fn().mockReturnValue({ type: "connectAndStartPolling" }),
-    );
-    vi.spyOn(storeModule.default, "dispatch").mockImplementation(
-      (action) =>
-        (action instanceof Object &&
-        "type" in action &&
-        action.type === "connectAndStartPolling"
-          ? Promise.reject(
-              new Error("Error while dispatching connectAndStartPolling!"),
-            )
-          : null) as unknown as UnknownAction,
-    );
-    const config = configFactory.build({
-      baseControllerURL: null,
-      identityProviderURL: "/candid",
-      isJuju: true,
-    });
-    window.jujuDashboardConfig = config;
-    renderApp();
-    expect(appThunks.connectAndStartPolling).toHaveBeenCalledTimes(1);
-    await waitFor(() =>
-      expect(console.error).toHaveBeenCalledWith(
-        Label.POLLING_ERROR,
-        new Error("Error while dispatching connectAndStartPolling!"),
-      ),
-    );
-  });
 });