fix: merge conflicts

frontend/.github/workflows/e2e.auth.yml

@@ -16,10 +16,10 @@ jobs:
         uses: actions/checkout@v2
       - name: Run Cypress
         uses: cypress-io/github-action@v2
-        with: 
+        with:
-          env: AUTH_TOKEN=${{ secrets.UNLEASH_TOKEN }},DEFAULT_ENV="development"
+          env: AUTH_TOKEN=${{ secrets.UNLEASH_TOKEN }}
           config: baseUrl=${{ github.event.deployment_status.target_url }}
           record: true
-          spec: cypress/integration/auth/auth.spec.js
+          spec: cypress/integration/auth/auth.spec.ts
         env:
-          CYPRESS_RECORD_KEY: ${{ secrets.CYPRESS_RECORD_KEY }}
+          CYPRESS_RECORD_KEY: ${{ secrets.CYPRESS_RECORD_KEY }}

frontend/.github/workflows/e2e.feature.yml

@@ -16,10 +16,10 @@ jobs:
         uses: actions/checkout@v2
       - name: Run Cypress
         uses: cypress-io/github-action@v2
-        with: 
+        with:
-          env: AUTH_TOKEN=${{ secrets.UNLEASH_TOKEN }},DEFAULT_ENV="development"
+          env: AUTH_TOKEN=${{ secrets.UNLEASH_TOKEN }}
           config: baseUrl=${{ github.event.deployment_status.target_url }}
           record: true
-          spec: cypress/integration/feature-toggle/feature.spec.js
+          spec: cypress/integration/feature/feature.spec.ts
         env:
-          CYPRESS_RECORD_KEY: ${{ secrets.CYPRESS_RECORD_KEY }}
+          CYPRESS_RECORD_KEY: ${{ secrets.CYPRESS_RECORD_KEY }}

frontend/cypress.json

@@ -1,4 +1,6 @@
 {
   "projectId": "tc2qff",
-  "defaultCommandTimeout": 12000
+  "defaultCommandTimeout": 12000,
+  "screenshotOnRunFailure": false,
+  "video": false
 }

frontend/cypress/integration/auth/auth.spec.ts

@@ -1,15 +1,4 @@
-/* eslint-disable jest/no-conditional-expect */
 /// <reference types="cypress" />
-// Welcome to Cypress!
-//
-// This spec file contains a variety of sample tests
-// for a todo list app that are designed to demonstrate
-// the power of writing tests in Cypress.
-//
-// To learn more about how Cypress works and
-// what makes it such an awesome testing tool,
-// please read our getting started guide:
-// https://on.cypress.io/introduction-to-cypress
 
 const username = 'test@test.com';
 const password = 'qY70$NDcJNXA';

frontend/cypress/integration/feature/feature.spec.ts

@@ -1,82 +1,48 @@
-/* eslint-disable jest/no-conditional-expect */
 /// <reference types="cypress" />
-// Welcome to Cypress!
-//
-// This spec file contains a variety of sample tests
-// for a todo list app that are designed to demonstrate
-// the power of writing tests in Cypress.
-//
-// To learn more about how Cypress works and
-// what makes it such an awesome testing tool,
-// please read our getting started guide:
-// https://on.cypress.io/introduction-to-cypress
 
-let featureToggleName = '';
+import { disableFeatureStrategiesProductionGuard } from '../../../src/component/feature/FeatureView/FeatureStrategies/FeatureStrategiesEnvironments/FeatureStrategiesProductionGuard/FeatureStrategiesProductionGuard';
-let enterprise = false;
+
+const randomId = String(Math.random()).split('.')[1];
+const featureToggleName = `unleash-e2e-${randomId}`;
+const enterprise = Boolean(Cypress.env('ENTERPRISE'));
+const passwordAuth = Cypress.env('PASSWORD_AUTH');
+const authToken = Cypress.env('AUTH_TOKEN');
+const baseUrl = Cypress.config().baseUrl;
 let strategyId = '';
-let defaultEnv = 'development';
-
-describe('feature toggle', () => {
-    before(() => {
-        featureToggleName = `unleash-e2e-${Math.floor(Math.random() * 100)}`;
-        enterprise = Boolean(Cypress.env('ENTERPRISE'));
-
-        const env = Cypress.env('DEFAULT_ENV');
-        if (env) {
-            defaultEnv = env;
-        }
-    });
 
+describe('feature', () => {
     after(() => {
-        const authToken = Cypress.env('AUTH_TOKEN');
-
         cy.request({
             method: 'DELETE',
-            url: `${
+            url: `${baseUrl}/api/admin/features/${featureToggleName}`,
-                Cypress.config().baseUrl
+            headers: { Authorization: authToken },
-            }/api/admin/features/${featureToggleName}`,
-            headers: {
-                Authorization: authToken,
-            },
         });
-
         cy.request({
             method: 'DELETE',
-            url: `${
+            url: `${baseUrl}/api/admin/archive/${featureToggleName}`,
-                Cypress.config().baseUrl
+            headers: { Authorization: authToken },
-            }/api/admin/archive/${featureToggleName}`,
-            headers: {
-                Authorization: authToken,
-            },
         });
     });
 
     beforeEach(() => {
-        // Cypress starts out with a blank slate for each test
+        disableFeatureStrategiesProductionGuard();
-        // so we must tell it to visit our website with the `cy.visit()` command.
-        // Since we want to visit the same URL at the start of all our tests,
-        // we include it in our beforeEach function so that it runs before each test
-        const passwordAuth = Cypress.env('PASSWORD_AUTH');
-        enterprise = Boolean(Cypress.env('ENTERPRISE'));
-
         cy.visit('/');
 
         if (passwordAuth) {
             cy.get('[data-test="LOGIN_EMAIL_ID"]').type('test@test.com');
-
             cy.get('[data-test="LOGIN_PASSWORD_ID"]').type('qY70$NDcJNXA');
-
             cy.get("[data-test='LOGIN_BUTTON']").click();
         } else {
             cy.get('[data-test=LOGIN_EMAIL_ID]').type('test@unleash-e2e.com');
             cy.get('[data-test=LOGIN_BUTTON]').click();
         }
+
+        // Wait for the login redirects to complete.
+        cy.get('[data-test=HEADER_USER_AVATAR');
     });
 
-    it('Creates a feature toggle', () => {
+    it('can create a feature toggle', () => {
-        if (
+        if (document.querySelector("[data-test='CLOSE_SPLASH']")) {
-            document.querySelectorAll("[data-test='CLOSE_SPLASH']").length > 0
-        ) {
             cy.get("[data-test='CLOSE_SPLASH']").click();
         }
 
@@ -87,14 +53,13 @@ describe('feature toggle', () => {
         );
 
         cy.get("[data-test='CF_NAME_ID'").type(featureToggleName);
-        cy.get("[data-test='CF_DESC_ID'").type('hellowrdada');
+        cy.get("[data-test='CF_DESC_ID'").type('hello-world');
-
         cy.get("[data-test='CF_CREATE_BTN_ID']").click();
         cy.wait('@createFeature');
         cy.url().should('include', featureToggleName);
     });
 
-    it('Gives an error if a toggle exists with the same name', () => {
+    it('gives an error if a toggle exists with the same name', () => {
         cy.get('[data-test=NAVIGATE_TO_CREATE_FEATURE').click();
 
         cy.intercept('POST', '/api/admin/projects/default/features').as(
@@ -102,16 +67,14 @@ describe('feature toggle', () => {
         );
 
         cy.get("[data-test='CF_NAME_ID'").type(featureToggleName);
-        cy.get("[data-test='CF_DESC_ID'").type('hellowrdada');
+        cy.get("[data-test='CF_DESC_ID'").type('hello-world');
-
         cy.get("[data-test='CF_CREATE_BTN_ID']").click();
-
         cy.get("[data-test='INPUT_ERROR_TEXT']").contains(
             'A feature with this name already exists'
         );
     });
 
-    it('Gives an error if a toggle name is url unsafe', () => {
+    it('gives an error if a toggle name is url unsafe', () => {
         cy.get('[data-test=NAVIGATE_TO_CREATE_FEATURE').click();
 
         cy.intercept('POST', '/api/admin/projects/default/features').as(
@@ -119,17 +82,14 @@ describe('feature toggle', () => {
         );
 
         cy.get("[data-test='CF_NAME_ID'").type('featureToggleUnsafe####$#//');
-        cy.get("[data-test='CF_DESC_ID'").type('hellowrdada');
+        cy.get("[data-test='CF_DESC_ID'").type('hello-world');
-
         cy.get("[data-test='CF_CREATE_BTN_ID']").click();
-
         cy.get("[data-test='INPUT_ERROR_TEXT']").contains(
             `"name" must be URL friendly`
         );
     });
 
-    it('Can add a gradual rollout strategy to the development environment', () => {
+    it('can add a gradual rollout strategy to the development environment', () => {
-        cy.wait(1000);
         cy.visit(`/projects/default/features/${featureToggleName}/strategies`);
         cy.get('[data-test=ADD_NEW_STRATEGY_ID]').click();
         cy.get('[data-test=ADD_NEW_STRATEGY_CARD_BUTTON_ID-2').click();
@@ -147,10 +107,9 @@ describe('feature toggle', () => {
 
         cy.intercept(
             'POST',
-            `/api/admin/projects/default/features/${featureToggleName}/environments/${defaultEnv}/strategies`,
+            `/api/admin/projects/default/features/${featureToggleName}/environments/*/strategies`,
             req => {
                 expect(req.body.name).to.equal('flexibleRollout');
-
                 expect(req.body.parameters.groupId).to.equal(featureToggleName);
                 expect(req.body.parameters.stickiness).to.equal('default');
                 expect(req.body.parameters.rollout).to.equal(30);
@@ -172,7 +131,6 @@ describe('feature toggle', () => {
     });
 
     it('can update a strategy in the development environment', () => {
-        cy.wait(1000);
         cy.visit(`/projects/default/features/${featureToggleName}/strategies`);
         cy.get('[data-test=STRATEGY_ACCORDION_ID-flexibleRollout').click();
 
@@ -188,7 +146,6 @@ describe('feature toggle', () => {
             .first()
             .click();
 
-        let newGroupId = 'new-group-id';
         cy.get('[data-test=FLEXIBLE_STRATEGY_GROUP_ID]')
             .first()
             .clear()
@@ -196,9 +153,9 @@ describe('feature toggle', () => {
 
         cy.intercept(
             'PUT',
-            `/api/admin/projects/default/features/${featureToggleName}/environments/${defaultEnv}/strategies/${strategyId}`,
+            `/api/admin/projects/default/features/${featureToggleName}/environments/*/strategies/${strategyId}`,
             req => {
-                expect(req.body.parameters.groupId).to.equal(newGroupId);
+                expect(req.body.parameters.groupId).to.equal('new-group-id');
                 expect(req.body.parameters.stickiness).to.equal('sessionId');
                 expect(req.body.parameters.rollout).to.equal(60);
 
@@ -219,12 +176,11 @@ describe('feature toggle', () => {
     });
 
     it('can delete a strategy in the development environment', () => {
-        cy.wait(1000);
         cy.visit(`/projects/default/features/${featureToggleName}/strategies`);
 
         cy.intercept(
             'DELETE',
-            `/api/admin/projects/default/features/${featureToggleName}/environments/${defaultEnv}/strategies/${strategyId}`,
+            `/api/admin/projects/default/features/${featureToggleName}/environments/*/strategies/${strategyId}`,
             req => {
                 req.continue(res => {
                     expect(res.statusCode).to.equal(200);
@@ -237,8 +193,7 @@ describe('feature toggle', () => {
         cy.wait('@deleteStrategy');
     });
 
-    it('Can add a userid  strategy to the development environment', () => {
+    it('can add a userid strategy to the development environment', () => {
-        cy.wait(1000);
         cy.visit(`/projects/default/features/${featureToggleName}/strategies`);
         cy.get('[data-test=ADD_NEW_STRATEGY_ID]').click();
         cy.get('[data-test=ADD_NEW_STRATEGY_CARD_BUTTON_ID-3').click();
@@ -260,7 +215,7 @@ describe('feature toggle', () => {
 
         cy.intercept(
             'POST',
-            `/api/admin/projects/default/features/${featureToggleName}/environments/${defaultEnv}/strategies`,
+            `/api/admin/projects/default/features/${featureToggleName}/environments/*/strategies`,
             req => {
                 expect(req.body.name).to.equal('userWithId');
 
@@ -282,11 +237,12 @@ describe('feature toggle', () => {
         cy.wait('@addStrategyToFeature');
     });
 
-    it('Can add two variant to the feature', () => {
+    it('can add two variant to the feature', () => {
         const variantName = 'my-new-variant';
         const secondVariantName = 'my-second-variant';
-        cy.wait(1000);
+
         cy.visit(`/projects/default/features/${featureToggleName}/variants`);
+
         cy.intercept(
             'PATCH',
             `/api/admin/projects/default/features/${featureToggleName}/variants`,
@@ -304,20 +260,23 @@ describe('feature toggle', () => {
                     expect(req.body[1].value.name).to.equal(secondVariantName);
                 }
             }
-        ).as('variantcreation');
+        ).as('variantCreation');
-        cy.get('[data-test=ADD_VARIANT_BUTTON]').click();
-        cy.get('[data-test=VARIANT_NAME_INPUT]').type(variantName);
-        cy.get('[data-test=DIALOGUE_CONFIRM_ID]').click();
-        cy.wait('@variantcreation');
-        cy.get('[data-test=ADD_VARIANT_BUTTON]').click();
-        cy.get('[data-test=VARIANT_NAME_INPUT]').type(secondVariantName);
-        cy.get('[data-test=DIALOGUE_CONFIRM_ID]').click();
-        cy.wait('@variantcreation');
-    });
-    it('Can set weight to fixed value for one of the variants', () => {
-        cy.wait(1000);
 
+        cy.get('[data-test=ADD_VARIANT_BUTTON]').click();
+        cy.get('[data-test=VARIANT_NAME_INPUT]').click().type(variantName);
+        cy.get('[data-test=DIALOGUE_CONFIRM_ID]').click();
+        cy.wait('@variantCreation');
+        cy.get('[data-test=ADD_VARIANT_BUTTON]').click();
+        cy.get('[data-test=VARIANT_NAME_INPUT]')
+            .click()
+            .type(secondVariantName);
+        cy.get('[data-test=DIALOGUE_CONFIRM_ID]').click();
+        cy.wait('@variantCreation');
+    });
+
+    it('can set weight to fixed value for one of the variants', () => {
         cy.visit(`/projects/default/features/${featureToggleName}/variants`);
+
         cy.get('[data-test=VARIANT_EDIT_BUTTON]').first().click();
         cy.get('[data-test=VARIANT_NAME_INPUT]')
             .children()
@@ -328,6 +287,7 @@ describe('feature toggle', () => {
             .find('input')
             .check();
         cy.get('[data-test=VARIANT_WEIGHT_INPUT]').clear().type('15');
+
         cy.intercept(
             'PATCH',
             `/api/admin/projects/default/features/${featureToggleName}/variants`,
@@ -342,21 +302,23 @@ describe('feature toggle', () => {
                 expect(req.body[2].path).to.match(/weight/);
                 expect(req.body[2].value).to.equal(150);
             }
-        ).as('variantupdate');
+        ).as('variantUpdate');
+
         cy.get('[data-test=DIALOGUE_CONFIRM_ID]').click();
-        cy.wait('@variantupdate');
+        cy.wait('@variantUpdate');
         cy.get('[data-test=VARIANT_WEIGHT]')
             .first()
             .should('have.text', '15 %');
     });
 
-    it(`can delete variant`, () => {
+    it('can delete variant', () => {
         const variantName = 'to-be-deleted';
-        cy.wait(1000);
+
         cy.visit(`/projects/default/features/${featureToggleName}/variants`);
         cy.get('[data-test=ADD_VARIANT_BUTTON]').click();
-        cy.get('[data-test=VARIANT_NAME_INPUT]').type(variantName);
+        cy.get('[data-test=VARIANT_NAME_INPUT]').click().type(variantName);
         cy.get('[data-test=DIALOGUE_CONFIRM_ID]').click();
+
         cy.intercept(
             'PATCH',
             `/api/admin/projects/default/features/${featureToggleName}/variants`,
@@ -365,6 +327,7 @@ describe('feature toggle', () => {
                 expect(e.path).to.match(/\//);
             }
         ).as('delete');
+
         cy.get(`[data-test=VARIANT_DELETE_BUTTON_${variantName}]`).click();
         cy.get('[data-test=DIALOGUE_CONFIRM_ID]').click();
         cy.wait('@delete');

frontend/package.json

@@ -1,7 +1,7 @@
 {
   "name": "unleash-frontend",
   "description": "unleash your features",
-  "version": "4.8.0-beta.10",
+  "version": "4.8.0",
   "keywords": [
     "unleash",
     "feature toggle",
@@ -42,6 +42,7 @@
     "@material-ui/core": "4.12.3",
     "@material-ui/icons": "4.11.2",
     "@material-ui/lab": "4.0.0-alpha.60",
+    "@testing-library/dom": "8.11.3",
     "@testing-library/jest-dom": "5.16.2",
     "@testing-library/react": "12.1.3",
     "@testing-library/user-event": "13.5.0",
@@ -49,7 +50,7 @@
     "@types/deep-diff": "1.0.1",
     "@types/jest": "27.4.1",
     "@types/lodash.clonedeep": "4.5.6",
-    "@types/node": "14.18.12",
+    "@types/node": "17.0.18",
     "@types/react": "17.0.39",
     "@types/react-dom": "17.0.11",
     "@types/react-outside-click-handler": "1.3.1",
@@ -63,7 +64,7 @@
     "copy-to-clipboard": "3.3.1",
     "craco": "0.0.3",
     "css-loader": "6.6.0",
-    "cypress": "8.7.0",
+    "cypress": "9.5.0",
     "date-fns": "2.28.0",
     "debounce": "1.2.1",
     "deep-diff": "1.0.2",
@@ -82,7 +83,7 @@
     "react-outside-click-handler": "1.3.0",
     "react-router-dom": "5.3.0",
     "react-scripts": "4.0.3",
-    "react-test-renderer": "16.14.0",
+    "react-test-renderer": "17.0.2",
     "react-timeago": "6.2.1",
     "sass": "1.49.8",
     "swr": "1.2.2",
@@ -117,6 +118,9 @@
       "no-restricted-globals": "off",
       "no-useless-computed-key": "off",
       "import/no-anonymous-default-export": "off"
-    }
+    },
+    "ignorePatterns": [
+      "cypress"
+    ]
   }
 }

frontend/src/component/addons/AddonForm/AddonEvents/AddonEvents.tsx

@@ -7,7 +7,9 @@ import { IAddonProvider } from '../../../../interfaces/addons';
 interface IAddonProps {
     provider: IAddonProvider;
     checkedEvents: string[];
-    setEventValue: (name: string) => void;
+    setEventValue: (
+        name: string
+    ) => (event: React.ChangeEvent<HTMLInputElement>) => void;
     error: Record<string, string>;
 }
 

frontend/src/component/addons/AddonForm/AddonForm.jsx

@@ -1,7 +1,7 @@
-import React, { useState, useEffect } from 'react';
+import { useState, useEffect } from 'react';
 import PropTypes from 'prop-types';
-import { TextField, FormControlLabel, Switch } from '@material-ui/core';
+import { TextField, FormControlLabel, Switch, Button } from '@material-ui/core';
-import { FormButtons, styles as commonStyles } from '../../common';
+import { styles as commonStyles } from '../../common';
 import { trim } from '../../common/util';
 import { AddonParameters } from './AddonParameters/AddonParameters';
 import { AddonEvents } from './AddonEvents/AddonEvents';
@@ -79,7 +79,7 @@ export const AddonForm = ({ editMode, provider, addon, fetch }) => {
         setErrors({ ...errors, events: undefined });
     };
 
-    const handleCancel = () => {
+    const onCancel = () => {
         history.goBack();
     };
 
@@ -203,10 +203,12 @@ export const AddonForm = ({ editMode, provider, addon, fetch }) => {
                     />
                 </section>
                 <section className={styles.formSection}>
-                    <FormButtons
+                    <Button type="submit" color="primary" variant="contained">
-                        submitText={submitText}
+                        {submitText}
-                        onCancel={handleCancel}
+                    </Button>
-                    />
+                    <Button type="button" onClick={onCancel}>
+                        Cancel
+                    </Button>
                 </section>
             </form>
         </PageContent>

frontend/src/component/addons/AddonList/AddonList.tsx

@@ -1,4 +1,4 @@
-import { ReactElement } from 'react';
+import React, { ReactElement } from 'react';
 import { ConfiguredAddons } from './ConfiguredAddons/ConfiguredAddons';
 import { AvailableAddons } from './AvailableAddons/AvailableAddons';
 import { Avatar } from '@material-ui/core';
@@ -12,7 +12,7 @@ import dataDogIcon from '../../../assets/icons/datadog.svg';
 import { formatAssetPath } from '../../../utils/format-path';
 import useAddons from '../../../hooks/api/getters/useAddons/useAddons';
 
-const style = {
+const style: React.CSSProperties = {
     width: '40px',
     height: '40px',
     marginRight: '16px',

frontend/src/component/addons/AddonList/AvailableAddons/AvailableAddons.tsx

@@ -44,7 +44,6 @@ export const AvailableAddons = ({
                     onClick={() =>
                         history.push(`/addons/create/${provider.name}`)
                     }
-                    tooltip={`Configure ${provider.name} Addon`}
                 >
                     Configure
                 </PermissionButton>

frontend/src/component/addons/AddonList/ConfiguredAddons/ConfiguredAddons.tsx

@@ -21,6 +21,7 @@ import AccessContext from '../../../../contexts/AccessContext';
 import { IAddon } from '../../../../interfaces/addons';
 import PermissionIconButton from '../../../common/PermissionIconButton/PermissionIconButton';
 import Dialogue from '../../../common/Dialogue';
+import { formatUnknownError } from '../../../../utils/format-unknown-error';
 
 interface IConfigureAddonsProps {
     getAddonIcon: (name: string) => ReactElement;
@@ -59,8 +60,8 @@ export const ConfiguredAddons = ({ getAddonIcon }: IConfigureAddonsProps) => {
                 title: 'Success',
                 text: 'Addon state switched successfully',
             });
-        } catch (e: any) {
+        } catch (error: unknown) {
-            setToastApiError(e.toString());
+            setToastApiError(formatUnknownError(error));
         }
     };
 
@@ -122,7 +123,6 @@ export const ConfiguredAddons = ({ getAddonIcon }: IConfigureAddonsProps) => {
                 </PermissionIconButton>
                 <PermissionIconButton
                     permission={UPDATE_ADDON}
-                    tooltip={'Edit Addon'}
                     onClick={() => {
                         history.push(`/addons/edit/${addon.id}`);
                     }}
@@ -131,7 +131,6 @@ export const ConfiguredAddons = ({ getAddonIcon }: IConfigureAddonsProps) => {
                 </PermissionIconButton>
                 <PermissionIconButton
                     permission={DELETE_ADDON}
-                    tooltip={'Remove Addon'}
                     onClick={() => {
                         setDeletedAddon(addon);
                         setShowDelete(true);

frontend/src/component/admin/api-token/ApiTokenList/ApiTokenList.tsx

@@ -24,7 +24,6 @@ import {
     DELETE_API_TOKEN,
 } from '../../../providers/AccessProvider/permissions';
 import { useStyles } from './ApiTokenList.styles';
-import { formatDateWithLocale } from '../../../common/util';
 import Secret from './secret';
 import { Delete, FileCopy } from '@material-ui/icons';
 import Dialogue from '../../../common/Dialogue';
@@ -32,6 +31,7 @@ import { CREATE_API_TOKEN_BUTTON } from '../../../../testIds';
 import { Alert } from '@material-ui/lab';
 import copy from 'copy-to-clipboard';
 import { useLocationSettings } from '../../../../hooks/useLocationSettings';
+import { formatDateYMD } from '../../../../utils/format-date';
 
 interface IApiToken {
     createdAt: Date;
@@ -146,7 +146,7 @@ export const ApiTokenList = () => {
                                     align="left"
                                     className={styles.hideSM}
                                 >
-                                    {formatDateWithLocale(
+                                    {formatDateYMD(
                                         item.createdAt,
                                         locationSettings.locale
                                     )}
@@ -249,7 +249,7 @@ export const ApiTokenList = () => {
                                         }
                                         data-test={CREATE_API_TOKEN_BUTTON}
                                     >
-                                        Create API token
+                                        New API token
                                     </Button>
                                 }
                             />

frontend/src/component/admin/api-token/CreateApiToken/CreateApiToken.tsx

@@ -10,6 +10,7 @@ import { ADMIN } from 'component/providers/AccessProvider/permissions';
 import { ConfirmToken } from '../ConfirmToken/ConfirmToken';
 import { useState } from 'react';
 import { scrollToTop } from '../../../common/util';
+import { formatUnknownError } from '../../../../utils/format-unknown-error';
 
 export const CreateApiToken = () => {
     const { setToastApiError } = useToast();
@@ -49,8 +50,8 @@ export const CreateApiToken = () => {
                     setToken(api.secret);
                     setShowConfirm(true);
                 });
-        } catch (e: any) {
+        } catch (error: unknown) {
-            setToastApiError(e.toString());
+            setToastApiError(formatUnknownError(error));
         }
     };
 

frontend/src/component/admin/auth/GoogleAuth/GoogleAuth.tsx

@@ -68,8 +68,8 @@ export const GoogleAuth = () => {
                 title: 'Settings stored',
                 type: 'success',
             });
-        } catch (err) {
+        } catch (error: unknown) {
-            setToastApiError(formatUnknownError(err));
+            setToastApiError(formatUnknownError(error));
         }
     };
 

frontend/src/component/admin/auth/OidcAuth/OidcAuth.tsx

@@ -79,8 +79,8 @@ export const OidcAuth = () => {
                 title: 'Settings stored',
                 type: 'success',
             });
-        } catch (err) {
+        } catch (error: unknown) {
-            setToastApiError(formatUnknownError(err));
+            setToastApiError(formatUnknownError(error));
         }
     };
 

frontend/src/component/admin/auth/PasswordAuth/PasswordAuth.tsx

@@ -51,8 +51,8 @@ export const PasswordAuth = () => {
                 type: 'success',
                 show: true,
             });
-        } catch (err) {
+        } catch (error: unknown) {
-            setToastApiError(formatUnknownError(err));
+            setToastApiError(formatUnknownError(error));
             setDisablePasswordAuth(config.disabled);
         }
     };

frontend/src/component/admin/auth/SamlAuth/SamlAuth.tsx

@@ -75,8 +75,8 @@ export const SamlAuth = () => {
                 title: 'Settings stored',
                 type: 'success',
             });
-        } catch (err) {
+        } catch (error: unknown) {
-            setToastApiError(formatUnknownError(err));
+            setToastApiError(formatUnknownError(error));
         }
     };
 

frontend/src/component/admin/invoice/InvoiceList.tsx

@@ -8,7 +8,6 @@ import {
     Button,
 } from '@material-ui/core';
 import OpenInNew from '@material-ui/icons/OpenInNew';
-import { formatDateWithLocale } from '../../common/util';
 import PageContent from '../../common/PageContent';
 import HeaderTitle from '../../common/HeaderTitle';
 import ConditionallyRender from '../../common/ConditionallyRender';
@@ -16,6 +15,7 @@ import { formatApiPath } from '../../../utils/format-path';
 import useInvoices from '../../../hooks/api/getters/useInvoices/useInvoices';
 import { IInvoice } from '../../../interfaces/invoice';
 import { useLocationSettings } from '../../../hooks/useLocationSettings';
+import { formatDateYMD } from '../../../utils/format-date';
 
 const PORTAL_URL = formatApiPath('api/admin/invoices/portal');
 
@@ -87,7 +87,7 @@ const InvoiceList = () => {
                                             style={{ textAlign: 'left' }}
                                         >
                                             {item.dueDate &&
-                                                formatDateWithLocale(
+                                                formatDateYMD(
                                                     item.dueDate,
                                                     locationSettings.locale
                                                 )}

frontend/src/component/admin/project-roles/CreateProjectRole/CreateProjectRole.tsx

@@ -7,6 +7,7 @@ import useUiConfig from 'hooks/api/getters/useUiConfig/useUiConfig';
 import useToast from 'hooks/useToast';
 import { CreateButton } from 'component/common/CreateButton/CreateButton';
 import { ADMIN } from 'component/providers/AccessProvider/permissions';
+import { formatUnknownError } from 'utils/format-unknown-error';
 
 const CreateProjectRole = () => {
     const { setToastData, setToastApiError } = useToast();
@@ -49,8 +50,8 @@ const CreateProjectRole = () => {
                     confetti: true,
                     type: 'success',
                 });
-            } catch (e: any) {
+            } catch (error: unknown) {
-                setToastApiError(e.toString());
+                setToastApiError(formatUnknownError(error));
             }
         }
     };

frontend/src/component/admin/project-roles/EditProjectRole/EditProjectRole.tsx

@@ -10,6 +10,7 @@ import { IPermission } from 'interfaces/user';
 import { useParams, useHistory } from 'react-router-dom';
 import useProjectRoleForm from '../hooks/useProjectRoleForm';
 import ProjectRoleForm from '../ProjectRoleForm/ProjectRoleForm';
+import { formatUnknownError } from 'utils/format-unknown-error';
 
 const EditProjectRole = () => {
     const { uiConfig } = useUiConfig();
@@ -85,8 +86,8 @@ const EditProjectRole = () => {
                     text: 'Your role changes will automatically be applied to the users with this role.',
                     confetti: true,
                 });
-            } catch (e: any) {
+            } catch (error: unknown) {
-                setToastApiError(e.toString());
+                setToastApiError(formatUnknownError(error));
             }
         }
     };

frontend/src/component/admin/project-roles/ProjectRoleForm/ProjectRoleForm.tsx

@@ -1,16 +1,16 @@
 import Input from '../../../common/Input/Input';
 import EnvironmentPermissionAccordion from './EnvironmentPermissionAccordion/EnvironmentPermissionAccordion';
 import {
+    Button,
     Checkbox,
     FormControlLabel,
     TextField,
-    Button,
 } from '@material-ui/core';
 import useProjectRolePermissions from '../../../../hooks/api/getters/useProjectRolePermissions/useProjectRolePermissions';
 
 import { useStyles } from './ProjectRoleForm.styles';
 import ConditionallyRender from '../../../common/ConditionallyRender';
-import React from 'react';
+import React, { ReactNode } from 'react';
 import { IPermission } from '../../../../interfaces/project';
 import {
     ICheckedPermission,
@@ -33,6 +33,7 @@ interface IProjectRoleForm {
     clearErrors: () => void;
     validateNameUniqueness?: () => void;
     getRoleKey: (permission: { id: number; environment?: string }) => string;
+    children: ReactNode;
 }
 
 const ProjectRoleForm: React.FC<IProjectRoleForm> = ({

frontend/src/component/admin/project-roles/ProjectRoles/ProjectRoleDeleteConfirm/ProjectRoleDeleteConfirm.styles.ts

@@ -1,4 +1,4 @@
-import { makeStyles } from '@material-ui/styles';
+import { makeStyles } from '@material-ui/core/styles';
 
 export const useStyles = makeStyles(theme => ({
     deleteParagraph: {

frontend/src/component/admin/project-roles/ProjectRoles/ProjectRoleList/ProjectRoleList.tsx

@@ -16,6 +16,7 @@ import IRole, { IProjectRole } from '../../../../../interfaces/role';
 import useProjectRolesApi from '../../../../../hooks/api/actions/useProjectRolesApi/useProjectRolesApi';
 import useToast from '../../../../../hooks/useToast';
 import ProjectRoleDeleteConfirm from '../ProjectRoleDeleteConfirm/ProjectRoleDeleteConfirm';
+import { formatUnknownError } from '../../../../../utils/format-unknown-error';
 
 const ROOTROLE = 'root';
 
@@ -44,8 +45,8 @@ const ProjectRoleList = () => {
                 title: 'Successfully deleted role',
                 text: 'Your role is now deleted',
             });
-        } catch (e) {
+        } catch (error: unknown) {
-            setToastApiError(e.toString());
+            setToastApiError(formatUnknownError(error));
         }
         setDelDialog(false);
         setConfirmName('');

frontend/src/component/admin/project-roles/ProjectRoles/ProjectRoleList/ProjectRoleListItem/ProjectRoleListItem.tsx

@@ -1,11 +1,12 @@
 import { useStyles } from './ProjectRoleListItem.styles';
-import { TableRow, TableCell, Typography } from '@material-ui/core';
+import { TableCell, TableRow, Typography } from '@material-ui/core';
-import { Edit, Delete } from '@material-ui/icons';
+import { Delete, Edit } from '@material-ui/icons';
 import { ADMIN } from '../../../../../providers/AccessProvider/permissions';
 import SupervisedUserCircleIcon from '@material-ui/icons/SupervisedUserCircle';
 import PermissionIconButton from '../../../../../common/PermissionIconButton/PermissionIconButton';
 import { IProjectRole } from '../../../../../../interfaces/role';
 import { useHistory } from 'react-router-dom';
+import React from 'react';
 
 interface IRoleListItemProps {
     id: number;
@@ -50,7 +51,6 @@ const RoleListItem = ({
                     <PermissionIconButton
                         data-loading
                         aria-label="Edit"
-                        tooltip="Edit"
                         disabled={type === BUILTIN_ROLE_TYPE}
                         onClick={() => {
                             history.push(`/admin/roles/${id}/edit`);
@@ -62,7 +62,6 @@ const RoleListItem = ({
                     <PermissionIconButton
                         data-loading
                         aria-label="Remove role"
-                        tooltip="Remove role"
                         disabled={type === BUILTIN_ROLE_TYPE}
                         onClick={() => {
                             setCurrentRole({ id, name, description });

frontend/src/component/admin/project-roles/ProjectRoles/ProjectRoles.styles.ts

@@ -1,4 +1,4 @@
-import { makeStyles } from '@material-ui/styles';
+import { makeStyles } from '@material-ui/core/styles';
 
 export const useStyles = makeStyles(theme => ({
     rolesListBody: {

frontend/src/component/admin/users/ConfirmUserAdded/ConfirmUserEmail/ConfirmUserEmail.styles.ts

@@ -1,4 +1,4 @@
-import { makeStyles } from '@material-ui/styles';
+import { makeStyles } from '@material-ui/core/styles';
 
 export const useStyles = makeStyles({
     iconContainer: {

frontend/src/component/admin/users/CreateUser/CreateUser.tsx

@@ -10,6 +10,7 @@ import { useState } from 'react';
 import { scrollToTop } from '../../../common/util';
 import { CreateButton } from 'component/common/CreateButton/CreateButton';
 import { ADMIN } from 'component/providers/AccessProvider/permissions';
+import { formatUnknownError } from '../../../../utils/format-unknown-error';
 
 const CreateUser = () => {
     const { setToastApiError } = useToast();
@@ -51,8 +52,8 @@ const CreateUser = () => {
                         setInviteLink(user.inviteLink);
                         setShowConfirm(true);
                     });
-            } catch (e: any) {
+            } catch (error: unknown) {
-                setToastApiError(e.toString());
+                setToastApiError(formatUnknownError(error));
             }
         }
     };

frontend/src/component/admin/users/EditUser/EditUser.tsx

@@ -11,6 +11,7 @@ import useAdminUsersApi from 'hooks/api/actions/useAdminUsersApi/useAdminUsersAp
 import useUiConfig from 'hooks/api/getters/useUiConfig/useUiConfig';
 import useUserInfo from 'hooks/api/getters/useUserInfo/useUserInfo';
 import useToast from 'hooks/useToast';
+import { formatUnknownError } from 'utils/format-unknown-error';
 
 const EditUser = () => {
     useEffect(() => {
@@ -60,8 +61,8 @@ const EditUser = () => {
                     title: 'User information updated',
                     type: 'success',
                 });
-            } catch (e: any) {
+            } catch (error: unknown) {
-                setToastApiError(e.toString());
+                setToastApiError(formatUnknownError(error));
             }
         }
     };

frontend/src/component/admin/users/UserAdmin.styles.ts

@@ -1,4 +1,4 @@
-import { makeStyles } from '@material-ui/styles';
+import { makeStyles } from '@material-ui/core/styles';
 
 export const useStyles = makeStyles(theme => ({
     userListBody: {

frontend/src/component/admin/users/UsersAdmin.tsx

@@ -35,7 +35,7 @@ const UsersAdmin = () => {
                                             history.push('/admin/create-user')
                                         }
                                     >
-                                        Add new user
+                                        New user
                                     </Button>
                                 }
                                 elseShow={

frontend/src/component/admin/users/UsersList/ChangePassword/ChangePassword.tsx

@@ -1,6 +1,6 @@
 import { useState } from 'react';
 import classnames from 'classnames';
-import { TextField, Typography, Avatar } from '@material-ui/core';
+import { Avatar, TextField, Typography } from '@material-ui/core';
 import { trim } from '../../../../common/util';
 import { modalStyles } from '../../util';
 import Dialogue from '../../../../common/Dialogue/Dialogue';
@@ -12,10 +12,10 @@ import { Alert } from '@material-ui/lab';
 import { IUser } from '../../../../../interfaces/user';
 
 interface IChangePasswordProps {
-    showDialog: () => void;
+    showDialog: boolean;
     closeDialog: () => void;
-    changePassword: () => void;
+    changePassword: (user: IUser, password: string) => Promise<Response>;
-    user: IUser;
+    user: Partial<IUser>;
 }
 
 const ChangePassword = ({
@@ -25,7 +25,7 @@ const ChangePassword = ({
     user = {},
 }: IChangePasswordProps) => {
     const [data, setData] = useState({});
-    const [error, setError] = useState({});
+    const [error, setError] = useState<Record<string, string>>({});
     const [validPassword, setValidPassword] = useState(false);
     const commonStyles = useCommonStyles();
 
@@ -88,7 +88,7 @@ const ChangePassword = ({
                 )}
             >
                 <ConditionallyRender
-                    condition={error.general}
+                    condition={Boolean(error.general)}
                     show={<Alert severity="error">{error.general}</Alert>}
                 />
                 <Typography variant="subtitle1">

frontend/src/component/admin/users/UsersList/DeleteUser/DeleteUser.tsx

@@ -9,12 +9,12 @@ import { useCommonStyles } from '../../../../../common.styles';
 import { IUser } from '../../../../../interfaces/user';
 
 interface IDeleteUserProps {
-    showDialog: () => void;
+    showDialog: boolean;
     closeDialog: () => void;
     user: IUser;
     userLoading: boolean;
     removeUser: () => void;
-    userApiErrors: Object;
+    userApiErrors: Record<string, string>;
 }
 
 const DeleteUser = ({
@@ -33,13 +33,13 @@ const DeleteUser = ({
             open={showDialog}
             title="Really delete user?"
             onClose={closeDialog}
-            onClick={() => removeUser(user)}
+            onClick={removeUser}
             primaryButtonText="Delete user"
             secondaryButtonText="Cancel"
         >
             <div ref={ref}>
                 <ConditionallyRender
-                    condition={userApiErrors[REMOVE_USER_ERROR]}
+                    condition={Boolean(userApiErrors[REMOVE_USER_ERROR])}
                     show={
                         <Alert
                             data-loading

frontend/src/component/admin/users/UsersList/UserListItem/UserListItem.tsx

@@ -1,25 +1,24 @@
 import {
-    TableRow,
-    TableCell,
     Avatar,
     IconButton,
+    TableCell,
+    TableRow,
     Typography,
 } from '@material-ui/core';
-import { Edit, Lock, Delete } from '@material-ui/icons';
+import { Delete, Edit, Lock } from '@material-ui/icons';
 import { SyntheticEvent, useContext } from 'react';
 import { ADMIN } from '../../../../providers/AccessProvider/permissions';
 import ConditionallyRender from '../../../../common/ConditionallyRender';
-import { formatDateWithLocale } from '../../../../common/util';
 import AccessContext from '../../../../../contexts/AccessContext';
 import { IUser } from '../../../../../interfaces/user';
 import { useStyles } from './UserListItem.styles';
 import { useHistory } from 'react-router-dom';
 import { ILocationSettings } from '../../../../../hooks/useLocationSettings';
+import { formatDateYMD } from '../../../../../utils/format-date';
 
 interface IUserListItemProps {
     user: IUser;
     renderRole: (roleId: number) => string;
-    openUpdateDialog: (user: IUser) => (e: SyntheticEvent) => void;
     openPwDialog: (user: IUser) => (e: SyntheticEvent) => void;
     openDelDialog: (user: IUser) => (e: SyntheticEvent) => void;
     locationSettings: ILocationSettings;
@@ -30,7 +29,6 @@ const UserListItem = ({
     renderRole,
     openDelDialog,
     openPwDialog,
-    openUpdateDialog,
     locationSettings,
 }: IUserListItemProps) => {
     const { hasAccess } = useContext(AccessContext);
@@ -51,10 +49,7 @@ const UserListItem = ({
             </TableCell>
             <TableCell>
                 <span data-loading>
-                    {formatDateWithLocale(
+                    {formatDateYMD(user.createdAt, locationSettings.locale)}
-                        user.createdAt,
-                        locationSettings.locale
-                    )}
                 </span>
             </TableCell>
             <TableCell className={styles.leftTableCell}>

frontend/src/component/admin/users/UsersList/UsersList.tsx

@@ -24,6 +24,7 @@ import { IUser } from '../../../../interfaces/user';
 import IRole from '../../../../interfaces/role';
 import useToast from '../../../../hooks/useToast';
 import { useLocationSettings } from '../../../../hooks/useLocationSettings';
+import { formatUnknownError } from '../../../../utils/format-unknown-error';
 
 const UsersList = () => {
     const { users, roles, refetch, loading } = useUsers();
@@ -79,8 +80,8 @@ const UsersList = () => {
             });
             refetch();
             closeDelDialog();
-        } catch (e: any) {
+        } catch (error: unknown) {
-            setToastApiError(e.toString());
+            setToastApiError(formatUnknownError(error));
         }
     };
 
@@ -172,7 +173,7 @@ const UsersList = () => {
                     <DeleteUser
                         showDialog={delDialog}
                         closeDialog={closeDelDialog}
-                        user={delUser}
+                        user={delUser!}
                         removeUser={onDeleteUser}
                         userLoading={userLoading}
                         userApiErrors={userApiErrors}

frontend/src/component/application/ApplicationEdit/ApplicationEdit.tsx

@@ -1,16 +1,15 @@
 /* eslint react/no-multi-comp:off */
-import { useContext, useState } from 'react';
+import React, { useContext, useState } from 'react';
 import {
     Avatar,
-    Link,
     Icon,
     IconButton,
     LinearProgress,
+    Link,
     Typography,
 } from '@material-ui/core';
 import { Link as LinkIcon } from '@material-ui/icons';
 import ConditionallyRender from '../../common/ConditionallyRender/ConditionallyRender';
-import { formatDateWithLocale } from '../../common/util';
 import { UPDATE_APPLICATION } from '../../providers/AccessProvider/permissions';
 import { ApplicationView } from '../ApplicationView/ApplicationView';
 import { ApplicationUpdate } from '../ApplicationUpdate/ApplicationUpdate';
@@ -25,6 +24,8 @@ import { useHistory, useParams } from 'react-router-dom';
 import { useLocationSettings } from '../../../hooks/useLocationSettings';
 import useToast from '../../../hooks/useToast';
 import PermissionButton from '../../common/PermissionButton/PermissionButton';
+import { formatDateYMD } from '../../../utils/format-date';
+import { formatUnknownError } from '../../../utils/format-unknown-error';
 
 export const ApplicationEdit = () => {
     const history = useHistory();
@@ -42,10 +43,9 @@ export const ApplicationEdit = () => {
         setShowDialog(!showDialog);
     };
 
-    const formatDate = (v: string) =>
+    const formatDate = (v: string) => formatDateYMD(v, locationSettings.locale);
-        formatDateWithLocale(v, locationSettings.locale);
 
-    const onDeleteApplication = async (evt: Event) => {
+    const onDeleteApplication = async (evt: React.SyntheticEvent) => {
         evt.preventDefault();
         try {
             await deleteApplication(appName);
@@ -55,8 +55,8 @@ export const ApplicationEdit = () => {
                 type: 'success',
             });
             history.push('/applications');
-        } catch (e: any) {
+        } catch (error: unknown) {
-            setToastApiError(e.toString());
+            setToastApiError(formatUnknownError(error));
         }
     };
 

frontend/src/component/application/ApplicationUpdate/ApplicationUpdate.tsx

@@ -1,5 +1,5 @@
 import { ChangeEvent, useState } from 'react';
-import { TextField, Grid } from '@material-ui/core';
+import { Grid, TextField } from '@material-ui/core';
 import { useCommonStyles } from '../../../common.styles';
 import icons from '../icon-names';
 import GeneralSelect from '../../common/GeneralSelect/GeneralSelect';
@@ -7,6 +7,7 @@ import useApplicationsApi from '../../../hooks/api/actions/useApplicationsApi/us
 import useToast from '../../../hooks/useToast';
 import { IApplication } from '../../../interfaces/application';
 import useApplication from '../../../hooks/api/getters/useApplication/useApplication';
+import { formatUnknownError } from '../../../utils/format-unknown-error';
 
 interface IApplicationUpdateProps {
     application: IApplication;
@@ -35,8 +36,8 @@ export const ApplicationUpdate = ({ application }: IApplicationUpdateProps) => {
                 title: 'Updated Successfully',
                 text: `${field} successfully updated`,
             });
-        } catch (e: any) {
+        } catch (error: unknown) {
-            setToastApiError(e.toString());
+            setToastApiError(formatUnknownError(error));
         }
     };
 

frontend/src/component/application/ApplicationView/ApplicationView.tsx

@@ -4,16 +4,16 @@ import {
     Grid,
     List,
     ListItem,
-    ListItemText,
     ListItemAvatar,
+    ListItemText,
     Typography,
 } from '@material-ui/core';
 import {
-    Report,
     Extension,
-    Timeline,
     FlagRounded,
+    Report,
     SvgIconComponent,
+    Timeline,
 } from '@material-ui/icons';
 import {
     CREATE_FEATURE,
@@ -23,13 +23,16 @@ import ConditionallyRender from '../../common/ConditionallyRender/ConditionallyR
 import { getTogglePath } from '../../../utils/route-path-helpers';
 import useApplication from '../../../hooks/api/getters/useApplication/useApplication';
 import AccessContext from '../../../contexts/AccessContext';
-import { formatFullDateTimeWithLocale } from '../../common/util';
+import { formatDateYMDHMS } from '../../../utils/format-date';
+import { useLocationSettings } from '../../../hooks/useLocationSettings';
 
 export const ApplicationView = () => {
     const { hasAccess } = useContext(AccessContext);
     const { name } = useParams<{ name: string }>();
     const { application } = useApplication(name);
+    const { locationSettings } = useLocationSettings();
     const { instances, strategies, seenToggles } = application;
+
     const notFoundListItem = ({
         createUrl,
         name,
@@ -114,10 +117,9 @@ export const ApplicationView = () => {
                                     createUrl: `/projects/default/create-toggle?name=${name}`,
                                     name,
                                     permission: CREATE_FEATURE,
-                                    i,
                                 })}
                                 elseShow={foundListItem({
-                                    viewUrl: getTogglePath(project, name, true),
+                                    viewUrl: getTogglePath(project, name),
                                     name,
                                     description,
                                     Icon: FlagRounded,
@@ -195,8 +197,9 @@ export const ApplicationView = () => {
                                         <span>
                                             {clientIp} last seen at{' '}
                                             <small>
-                                                {formatFullDateTimeWithLocale(
+                                                {formatDateYMDHMS(
-                                                    lastSeen
+                                                    lastSeen,
+                                                    locationSettings.locale
                                                 )}
                                             </small>
                                         </span>

frontend/src/component/common/AnimateOnMount/AnimateOnMount.tsx

@@ -1,4 +1,4 @@
-import { useEffect, useState, useRef, FC } from 'react';
+import React, { useEffect, useState, useRef, FC } from 'react';
 import ConditionallyRender from '../ConditionallyRender';
 
 interface IAnimateOnMountProps {
@@ -7,7 +7,7 @@ interface IAnimateOnMountProps {
     start: string;
     leave: string;
     container?: string;
-    style?: Object;
+    style?: React.CSSProperties;
 }
 
 const AnimateOnMount: FC<IAnimateOnMountProps> = ({

frontend/src/component/common/ApiError/ApiError.tsx

@@ -1,5 +1,6 @@
 import { Button } from '@material-ui/core';
 import { Alert } from '@material-ui/lab';
+import React from 'react';
 
 interface IApiErrorProps {
     className?: string;

frontend/src/component/common/ConditionallyRender/ConditionallyRender.tsx

@@ -1,9 +1,10 @@
 interface IConditionallyRenderProps {
     condition: boolean;
-    show: JSX.Element | RenderFunc;
+    show: TargetElement;
-    elseShow?: JSX.Element | RenderFunc;
+    elseShow?: TargetElement;
 }
 
+type TargetElement = JSX.Element | JSX.Element[] | RenderFunc | null;
 type RenderFunc = () => JSX.Element;
 
 const ConditionallyRender = ({
@@ -23,8 +24,9 @@ const ConditionallyRender = ({
         return result;
     };
 
-    const isFunc = (param: JSX.Element | RenderFunc) =>
+    const isFunc = (param: TargetElement): boolean => {
-        typeof param === 'function';
+        return typeof param === 'function';
+    };
 
     if (condition) {
         if (isFunc(show)) {

frontend/src/component/common/Constraint/Constraint.tsx

@@ -52,7 +52,6 @@ const Constraint = ({
                     <div className={styles.btnContainer}>
                         <PermissionIconButton
                             onClick={editCallback}
-                            tooltip="Edit strategy"
                             permission={UPDATE_FEATURE}
                             projectId={projectId}
                         >
@@ -61,7 +60,6 @@ const Constraint = ({
 
                         <PermissionIconButton
                             onClick={deleteCallback}
-                            tooltip="Delete strategy"
                             permission={UPDATE_FEATURE}
                             projectId={projectId}
                         >

frontend/src/component/common/Dialogue/Dialogue.tsx

@@ -1,10 +1,10 @@
 import React from 'react';
 import {
+    Button,
     Dialog,
-    DialogTitle,
     DialogActions,
     DialogContent,
-    Button,
+    DialogTitle,
 } from '@material-ui/core';
 
 import ConditionallyRender from '../ConditionallyRender/ConditionallyRender';
@@ -15,15 +15,15 @@ interface IDialogue {
     primaryButtonText?: string;
     secondaryButtonText?: string;
     open: boolean;
-    onClick: (e: any) => void;
+    onClick: (e: React.SyntheticEvent) => void;
-    onClose: () => void;
+    onClose?: (e: React.SyntheticEvent) => void;
     style?: object;
     title: string;
     fullWidth?: boolean;
     maxWidth?: 'lg' | 'sm' | 'xs' | 'md' | 'xl';
     disabledPrimaryButton?: boolean;
     formId?: string;
-    permissionButton?: React.ReactNode;
+    permissionButton?: JSX.Element;
 }
 
 const Dialogue: React.FC<IDialogue> = ({
@@ -69,7 +69,7 @@ const Dialogue: React.FC<IDialogue> = ({
             <DialogActions>
                 <ConditionallyRender
                     condition={Boolean(permissionButton)}
-                    show={permissionButton}
+                    show={permissionButton!}
                     elseShow={
                         <ConditionallyRender
                             condition={Boolean(onClick)}

frontend/src/component/common/EnvironmentSplash/EnvironmentSplashPage/EnvironmentSplashPage.tsx

@@ -1,3 +1,5 @@
+import React from 'react';
+
 interface EnvironmentSplashPageProps {
     title: React.ReactNode;
     topDescription: React.ReactNode;

frontend/src/component/common/FormTemplate/FormTemplate.tsx

@@ -7,6 +7,7 @@ import ConditionallyRender from '../ConditionallyRender';
 import Loader from '../Loader/Loader';
 import copy from 'copy-to-clipboard';
 import useToast from '../../../hooks/useToast';
+import React from 'react';
 
 interface ICreateProps {
     title: string;

frontend/src/component/common/Gradient/Gradient.tsx

@@ -1,3 +1,5 @@
+import React from 'react';
+
 interface IGradientProps {
     from: string;
     to: string;

frontend/src/component/common/Input/Input.tsx

@@ -1,6 +1,7 @@
 import { TextField } from '@material-ui/core';
 import { INPUT_ERROR_TEXT } from '../../../testIds';
-import { useStyles } from './Input.styles.ts';
+import { useStyles } from './Input.styles';
+import React from 'react';
 
 interface IInputProps extends React.InputHTMLAttributes<HTMLInputElement> {
     label: string;

frontend/src/component/common/NoItems/NoItems.tsx

@@ -1,5 +1,6 @@
 import { ReactComponent as NoItemsIcon } from '../../../assets/icons/addfiles.svg';
 import { useStyles } from './NoItems.styles';
+import React from 'react';
 
 const NoItems: React.FC = ({ children }) => {
     const styles = useStyles();

frontend/src/component/common/PaginateUI/PaginateUI.tsx

@@ -1,4 +1,4 @@
-import { useState, useEffect } from 'react';
+import React, { useEffect, useState } from 'react';
 import ConditionallyRender from '../ConditionallyRender';
 import classnames from 'classnames';
 import { useStyles } from './PaginationUI.styles';

frontend/src/component/common/PasswordField/PasswordField.tsx

@@ -1,6 +1,6 @@
 import { IconButton, InputAdornment, TextField } from '@material-ui/core';
 import { Visibility, VisibilityOff } from '@material-ui/icons';
-import { useState } from 'react';
+import React, { useState } from 'react';
 
 const PasswordField = ({ ...rest }) => {
     const [showPassword, setShowPassword] = useState(false);

frontend/src/component/common/PermissionButton/PermissionButton.tsx

@@ -1,7 +1,7 @@
 import { Button, Tooltip } from '@material-ui/core';
 import { Lock } from '@material-ui/icons';
 import AccessContext from 'contexts/AccessContext';
-import { useContext } from 'react';
+import React, { useContext } from 'react';
 import ConditionallyRender from '../ConditionallyRender';
 
 export interface IPermissionButtonProps
@@ -16,7 +16,7 @@ export interface IPermissionButtonProps
 
 const PermissionButton: React.FC<IPermissionButtonProps> = ({
     permission,
-    tooltip = 'Click to perform action',
+    tooltip,
     onClick,
     children,
     disabled,
@@ -54,9 +54,9 @@ const PermissionButton: React.FC<IPermissionButtonProps> = ({
 
     access = handleAccess();
 
-    const tooltipText = access
+    const tooltipText = !access
-        ? tooltip
+        ? "You don't have access to perform this operation"
-        : "You don't have access to perform this operation";
+        : '';
 
     return (
         <Tooltip title={tooltipText} arrow>

frontend/src/component/common/PermissionIconButton/PermissionIconButton.tsx

@@ -1,5 +1,5 @@
 import { IconButton, Tooltip } from '@material-ui/core';
-import { useContext } from 'react';
+import React, { useContext } from 'react';
 import AccessContext from '../../../contexts/AccessContext';
 
 interface IPermissionIconButtonProps
@@ -39,9 +39,9 @@ const PermissionIconButton: React.FC<IPermissionIconButtonProps> = ({
         access = hasAccess(permission);
     }
 
-    const tooltipText = access
+    const tooltipText = !access
-        ? tooltip || ''
+        ? "You don't have access to perform this operation"
-        : "You don't have access to perform this operation";
+        : '';
 
     return (
         <Tooltip title={tooltipText} arrow>

frontend/src/component/common/PermissionSwitch/PermissionSwitch.tsx

@@ -19,7 +19,7 @@ const PermissionSwitch = React.forwardRef<
 >((props, ref) => {
     const {
         permission,
-        tooltip = '',
+        tooltip,
         disabled,
         projectId,
         environmentId,
@@ -39,9 +39,9 @@ const PermissionSwitch = React.forwardRef<
         access = hasAccess(permission);
     }
 
-    const tooltipText = access
+    const tooltipText = !access
-        ? tooltip
+        ? "You don't have access to perform this operation"
-        : "You don't have access to perform this operation";
+        : '';
 
     return (
         <Tooltip title={tooltipText} arrow>

frontend/src/component/common/ResponsiveButton/ResponsiveButton.tsx

@@ -2,6 +2,7 @@ import { useMediaQuery } from '@material-ui/core';
 import ConditionallyRender from '../ConditionallyRender';
 import PermissionButton from '../PermissionButton/PermissionButton';
 import PermissionIconButton from '../PermissionIconButton/PermissionIconButton';
+import React from 'react';
 
 interface IResponsiveButtonProps {
     Icon: React.ElementType;

frontend/src/component/common/Splash/Splash.tsx

@@ -1,12 +1,11 @@
-import { Fragment } from 'react';
+import React, { Fragment, useState } from 'react';
 import { Button, IconButton } from '@material-ui/core';
 import { useStyles } from './Splash.styles';
 import {
+    CloseOutlined,
     FiberManualRecord,
     FiberManualRecordOutlined,
-    CloseOutlined,
 } from '@material-ui/icons';
-import { useState } from 'react';
 import ConditionallyRender from '../ConditionallyRender';
 import { CLOSE_SPLASH } from '../../../testIds';
 

frontend/src/component/common/TagSelect/TagSelect.tsx

@@ -7,7 +7,7 @@ interface ITagSelect extends React.SelectHTMLAttributes<HTMLSelectElement> {
     onChange: (val: any) => void;
 }
 
-const TagSelect = ({ value, types, onChange, ...rest }: ITagSelect) => {
+const TagSelect = ({ value, onChange, ...rest }: ITagSelect) => {
     const { tagTypes } = useTagTypes();
 
     const options = tagTypes.map(tagType => ({

frontend/src/component/common/ToastRenderer/Toast/Toast.tsx

@@ -3,12 +3,12 @@ import classnames from 'classnames';
 import { useContext } from 'react';
 import { IconButton } from '@material-ui/core';
 import CheckMarkBadge from '../../CheckmarkBadge/CheckMarkBadge';
-import UIContext, { IToastData } from '../../../../contexts/UIContext';
+import UIContext from '../../../../contexts/UIContext';
 import ConditionallyRender from '../../ConditionallyRender';
 import Close from '@material-ui/icons/Close';
+import { IToast } from '../../../../interfaces/toast';
 
-const Toast = ({ title, text, type, confetti }: IToastData) => {
+const Toast = ({ title, text, type, confetti }: IToast) => {
-    // @ts-expect-error
     const { setToast } = useContext(UIContext);
 
     const styles = useStyles();
@@ -51,7 +51,7 @@ const Toast = ({ title, text, type, confetti }: IToastData) => {
     };
 
     const hide = () => {
-        setToast((prev: IToastData) => ({ ...prev, show: false }));
+        setToast((prev: IToast) => ({ ...prev, show: false }));
     };
 
     return (

frontend/src/component/common/ToastRenderer/ToastRenderer.tsx

@@ -1,19 +1,19 @@
 import { Portal } from '@material-ui/core';
 import { useContext, useEffect } from 'react';
 import { useCommonStyles } from '../../../common.styles';
-import UIContext, { IToastData } from '../../../contexts/UIContext';
+import UIContext from '../../../contexts/UIContext';
 import { useStyles } from './ToastRenderer.styles';
 import AnimateOnMount from '../AnimateOnMount/AnimateOnMount';
 import Toast from './Toast/Toast';
+import { IToast } from '../../../interfaces/toast';
 
 const ToastRenderer = () => {
-    // @ts-expect-error
     const { toastData, setToast } = useContext(UIContext);
     const commonStyles = useCommonStyles();
     const styles = useStyles();
 
     const hide = () => {
-        setToast((prev: IToastData) => ({ ...prev, show: false }));
+        setToast((prev: IToast) => ({ ...prev, show: false }));
     };
 
     useEffect(() => {
@@ -31,7 +31,7 @@ const ToastRenderer = () => {
     return (
         <Portal>
             <AnimateOnMount
-                mounted={toastData?.show}
+                mounted={Boolean(toastData?.show)}
                 start={commonStyles.fadeInBottomStartWithoutFixed}
                 enter={commonStyles.fadeInBottomEnter}
                 leave={commonStyles.fadeInBottomLeave}

frontend/src/component/common/__tests__/util-test.jsx

@@ -1,35 +0,0 @@
-import { formatFullDateTimeWithLocale } from '../util';
-
-test.skip('formats dates correctly', () => {
-    expect(formatFullDateTimeWithLocale(1487861809466, 'nb-NO', 'UTC')).toEqual(
-        '2017-02-23 14:56:49'
-    );
-    expect(
-        formatFullDateTimeWithLocale(1487861809466, 'nb-NO', 'Europe/Paris')
-    ).toEqual('2017-02-23 15:56:49');
-    expect(
-        formatFullDateTimeWithLocale(1487861809466, 'nb-NO', 'Europe/Oslo')
-    ).toEqual('2017-02-23 15:56:49');
-    expect(
-        formatFullDateTimeWithLocale(1487861809466, 'nb-NO', 'Europe/London')
-    ).toEqual('2017-02-23 14:56:49');
-    expect(
-        formatFullDateTimeWithLocale(1487861809466, 'en-GB', 'Europe/Paris')
-    ).toEqual('02/23/2017, 3:56:49 PM');
-    expect(
-        formatFullDateTimeWithLocale(1487861809466, 'en-GB', 'Europe/Oslo')
-    ).toEqual('02/23/2017, 3:56:49 PM');
-    expect(
-        formatFullDateTimeWithLocale(1487861809466, 'en-GB', 'Europe/London')
-    ).toEqual('02/23/2017, 2:56:49 PM');
-
-    expect(formatFullDateTimeWithLocale(1487861809466, 'nb-NO')).toEqual(
-        expect.stringMatching(/(\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2})/)
-    );
-    expect(formatFullDateTimeWithLocale(1487861809466, 'en-GB')).toEqual(
-        expect.stringContaining('02/23/2017')
-    );
-    expect(formatFullDateTimeWithLocale(1487861809466, 'en-US')).toEqual(
-        expect.stringContaining('02/23/2017')
-    );
-});

frontend/src/component/common/util.js

@@ -1,26 +1,6 @@
 import { weightTypes } from '../feature/FeatureView/FeatureVariants/FeatureVariantsList/AddFeatureVariant/enums';
 import differenceInDays from 'date-fns/differenceInDays';
 
-const dateTimeOptions = {
-    day: '2-digit',
-    month: '2-digit',
-    year: 'numeric',
-    hour: '2-digit',
-    minute: '2-digit',
-    second: '2-digit',
-};
-
-const dateOptions = {
-    day: '2-digit',
-    month: '2-digit',
-    year: 'numeric',
-};
-
-const timeOptions = {
-    hour: '2-digit',
-    minute: '2-digit',
-};
-
 export const filterByFlags = flags => r => {
     if (r.flag && !flags[r.flag]) {
         return false;
@@ -32,27 +12,6 @@ export const scrollToTop = () => {
     window.scrollTo(0, 0);
 };
 
-export const formatFullDateTimeWithLocale = (v, locale, tz) => {
-    if (tz) {
-        dateTimeOptions.timeZone = tz;
-    }
-    return new Date(v).toLocaleString(locale, dateTimeOptions);
-};
-
-export const formatDateWithLocale = (v, locale, tz) => {
-    if (tz) {
-        dateTimeOptions.timeZone = tz;
-    }
-    return new Date(v).toLocaleString(locale, dateOptions);
-};
-
-export const formatTimeWithLocale = (v, locale, tz) => {
-    if (tz) {
-        dateTimeOptions.timeZone = tz;
-    }
-    return new Date(v).toLocaleString(locale, timeOptions);
-};
-
 export const trim = value => {
     if (value && value.trim) {
         return value.trim();

frontend/src/component/context/ContextForm/ContextForm.tsx

@@ -1,9 +1,9 @@
-import Input from '../../common/Input/Input';
+import Input from 'component/common/Input/Input';
 import { TextField, Button, Switch, Chip, Typography } from '@material-ui/core';
 import { useStyles } from './ContextForm.styles';
 import React, { useState } from 'react';
 import { Add } from '@material-ui/icons';
-import { trim } from '../../common/util';
+import { trim } from 'component/common/util';
 
 interface IContextForm {
     contextName: string;
@@ -15,20 +15,20 @@ interface IContextForm {
     setStickiness: React.Dispatch<React.SetStateAction<boolean>>;
     setLegalValues: React.Dispatch<React.SetStateAction<string[]>>;
     handleSubmit: (e: any) => void;
-    handleCancel: () => void;
+    onCancel: () => void;
     errors: { [key: string]: string };
     mode: string;
     clearErrors: () => void;
-    validateNameUniqueness: () => void;
+    validateContext?: () => void;
     setErrors: React.Dispatch<React.SetStateAction<Object>>;
 }
 
 const ENTER = 'Enter';
 
-const ContextForm: React.FC<IContextForm> = ({
+export const ContextForm: React.FC<IContextForm> = ({
     children,
     handleSubmit,
-    handleCancel,
+    onCancel,
     contextName,
     contextDesc,
     legalValues,
@@ -39,7 +39,7 @@ const ContextForm: React.FC<IContextForm> = ({
     setStickiness,
     errors,
     mode,
-    validateNameUniqueness,
+    validateContext,
     setErrors,
     clearErrors,
 }) => {
@@ -108,7 +108,7 @@ const ContextForm: React.FC<IContextForm> = ({
                     error={Boolean(errors.name)}
                     errorText={errors.name}
                     onFocus={() => clearErrors()}
-                    onBlur={validateNameUniqueness}
+                    onBlur={validateContext}
                     autoFocus
                 />
                 <p className={styles.inputDescription}>
@@ -187,12 +187,10 @@ const ContextForm: React.FC<IContextForm> = ({
             </div>
             <div className={styles.buttonContainer}>
                 {children}
-                <Button onClick={handleCancel} className={styles.cancelButton}>
+                <Button onClick={onCancel} className={styles.cancelButton}>
                     Cancel
                 </Button>
             </div>
         </form>
     );
 };
-
-export default ContextForm;

frontend/src/component/context/ContextList/ContextList.jsx

@@ -7,6 +7,7 @@ import {
     UPDATE_CONTEXT_FIELD,
 } from '../../providers/AccessProvider/permissions';
 import {
+    Button,
     IconButton,
     List,
     ListItem,
@@ -14,7 +15,6 @@ import {
     ListItemText,
     Tooltip,
     useMediaQuery,
-    Button,
 } from '@material-ui/core';
 import { Add, Album, Delete, Edit } from '@material-ui/icons';
 import { useContext, useState } from 'react';
@@ -25,6 +25,7 @@ import AccessContext from '../../../contexts/AccessContext';
 import useUnleashContext from '../../../hooks/api/getters/useUnleashContext/useUnleashContext';
 import useContextsApi from '../../../hooks/api/actions/useContextsApi/useContextsApi';
 import useToast from '../../../hooks/useToast';
+import { formatUnknownError } from '../../../utils/format-unknown-error';
 
 const ContextList = () => {
     const { hasAccess } = useContext(AccessContext);
@@ -46,8 +47,8 @@ const ContextList = () => {
                 title: 'Successfully deleted context',
                 text: 'Your context is now deleted',
             });
-        } catch (e) {
+        } catch (error) {
-            setToastApiError(e.toString());
+            setToastApiError(formatUnknownError(error));
         }
         setName(undefined);
         setShowDelDialogue(false);
@@ -127,7 +128,7 @@ const ContextList = () => {
                             color="primary"
                             variant="contained"
                         >
-                            Add new context field
+                            New context field
                         </Button>
                     }
                 />

frontend/src/component/context/CreateContext/CreateContext.tsx

@@ -1,15 +1,16 @@
 import { useHistory } from 'react-router-dom';
-import useContextForm from '../hooks/useContextForm';
-import ContextForm from '../ContextForm/ContextForm';
 import { CreateButton } from 'component/common/CreateButton/CreateButton';
-import useToast from 'hooks/useToast';
 import FormTemplate from 'component/common/FormTemplate/FormTemplate';
+import { useContextForm } from '../hooks/useContextForm';
+import { ContextForm } from '../ContextForm/ContextForm';
 import { CREATE_CONTEXT_FIELD } from 'component/providers/AccessProvider/permissions';
 import useContextsApi from 'hooks/api/actions/useContextsApi/useContextsApi';
 import useUiConfig from 'hooks/api/getters/useUiConfig/useUiConfig';
 import useUnleashContext from 'hooks/api/getters/useUnleashContext/useUnleashContext';
+import useToast from 'hooks/useToast';
+import { formatUnknownError } from 'utils/format-unknown-error';
 
-const CreateContext = () => {
+export const CreateContext = () => {
     const { setToastData, setToastApiError } = useToast();
     const { uiConfig } = useUiConfig();
     const history = useHistory();
@@ -23,8 +24,7 @@ const CreateContext = () => {
         setLegalValues,
         setStickiness,
         getContextPayload,
-        validateNameUniqueness,
+        validateContext,
-        validateName,
         clearErrors,
         setErrors,
         errors,
@@ -34,7 +34,8 @@ const CreateContext = () => {
 
     const handleSubmit = async (e: Event) => {
         e.preventDefault();
-        const validName = validateName();
+        const validName = await validateContext();
+
         if (validName) {
             const payload = getContextPayload();
             try {
@@ -46,8 +47,8 @@ const CreateContext = () => {
                     confetti: true,
                     type: 'success',
                 });
-            } catch (e: any) {
+            } catch (error: unknown) {
-                setToastApiError(e.toString());
+                setToastApiError(formatUnknownError(error));
             }
         }
     };
@@ -61,7 +62,7 @@ const CreateContext = () => {
 --data-raw '${JSON.stringify(getContextPayload(), undefined, 2)}'`;
     };
 
-    const handleCancel = () => {
+    const onCancel = () => {
         history.goBack();
     };
 
@@ -69,7 +70,7 @@ const CreateContext = () => {
         <FormTemplate
             loading={loading}
             title="Create context"
-            description="Context fields are a basic building block used in Unleash to control roll-out. 
+            description="Context fields are a basic building block used in Unleash to control roll-out.
             They can be used together with strategy constraints as part of the activation strategy evaluation."
             documentationLink="https://docs.getunleash.io/how-to/how-to-define-custom-context-fields"
             formatApiCode={formatApiCode}
@@ -77,7 +78,7 @@ const CreateContext = () => {
             <ContextForm
                 errors={errors}
                 handleSubmit={handleSubmit}
-                handleCancel={handleCancel}
+                onCancel={onCancel}
                 contextName={contextName}
                 setContextName={setContextName}
                 contextDesc={contextDesc}
@@ -87,7 +88,7 @@ const CreateContext = () => {
                 stickiness={stickiness}
                 setStickiness={setStickiness}
                 mode="Create"
-                validateNameUniqueness={validateNameUniqueness}
+                validateContext={validateContext}
                 setErrors={setErrors}
                 clearErrors={clearErrors}
             >
@@ -99,5 +100,3 @@ const CreateContext = () => {
         </FormTemplate>
     );
 };
-
-export default CreateContext;

frontend/src/component/context/EditContext/EditContext.tsx

@@ -8,10 +8,11 @@ import useToast from 'hooks/useToast';
 import { useEffect } from 'react';
 import { useHistory, useParams } from 'react-router-dom';
 import { scrollToTop } from '../../common/util';
-import ContextForm from '../ContextForm/ContextForm';
+import { formatUnknownError } from 'utils/format-unknown-error';
-import useContextForm from '../hooks/useContextForm';
+import { ContextForm } from '../ContextForm/ContextForm';
+import { useContextForm } from '../hooks/useContextForm';
 
-const EditContext = () => {
+export const EditContext = () => {
     useEffect(() => {
         scrollToTop();
     }, []);
@@ -32,8 +33,6 @@ const EditContext = () => {
         setLegalValues,
         setStickiness,
         getContextPayload,
-        validateNameUniqueness,
-        validateName,
         clearErrors,
         setErrors,
         errors,
@@ -56,24 +55,21 @@ const EditContext = () => {
     const handleSubmit = async (e: Event) => {
         e.preventDefault();
         const payload = getContextPayload();
-        const validName = validateName();
 
-        if (validName) {
+        try {
-            try {
+            await updateContext(payload);
-                await updateContext(payload);
+            refetch();
-                refetch();
+            history.push('/context');
-                history.push('/context');
+            setToastData({
-                setToastData({
+                title: 'Context information updated',
-                    title: 'Context information updated',
+                type: 'success',
-                    type: 'success',
+            });
-                });
+        } catch (e: unknown) {
-            } catch (e: any) {
+            setToastApiError(formatUnknownError(e));
-                setToastApiError(e.toString());
-            }
         }
     };
 
-    const handleCancel = () => {
+    const onCancel = () => {
         history.goBack();
     };
 
@@ -81,7 +77,7 @@ const EditContext = () => {
         <FormTemplate
             loading={loading}
             title="Edit context"
-            description="Context fields are a basic building block used in Unleash to control roll-out. 
+            description="Context fields are a basic building block used in Unleash to control roll-out.
             They can be used together with strategy constraints as part of the activation strategy evaluation."
             documentationLink="https://docs.getunleash.io/how-to/how-to-define-custom-context-fields"
             formatApiCode={formatApiCode}
@@ -89,7 +85,7 @@ const EditContext = () => {
             <ContextForm
                 errors={errors}
                 handleSubmit={handleSubmit}
-                handleCancel={handleCancel}
+                onCancel={onCancel}
                 contextName={contextName}
                 setContextName={setContextName}
                 contextDesc={contextDesc}
@@ -99,7 +95,6 @@ const EditContext = () => {
                 stickiness={stickiness}
                 setStickiness={setStickiness}
                 mode="Edit"
-                validateNameUniqueness={validateNameUniqueness}
                 setErrors={setErrors}
                 clearErrors={clearErrors}
             >
@@ -108,5 +103,3 @@ const EditContext = () => {
         </FormTemplate>
     );
 };
-
-export default EditContext;

frontend/src/component/context/hooks/useContextForm.ts

@@ -1,7 +1,7 @@
 import { useEffect, useState } from 'react';
 import useContextsApi from '../../../hooks/api/actions/useContextsApi/useContextsApi';
 
-const useContextForm = (
+export const useContextForm = (
     initialcontextName = '',
     initialcontextDesc = '',
     initialLegalValues = [] as string[],
@@ -42,25 +42,28 @@ const useContextForm = (
 
     const NAME_EXISTS_ERROR = 'A context field with that name already exist';
 
-    const validateNameUniqueness = async () => {
+    const validateContext = async () => {
+        if (contextName.length === 0) {
+            setErrors(prev => ({ ...prev, name: 'Name can not be empty.' }));
+            return false;
+        }
         try {
             await validateContextName(contextName);
+            return true;
         } catch (e: any) {
             if (e.toString().includes(NAME_EXISTS_ERROR)) {
                 setErrors(prev => ({
                     ...prev,
                     name: 'A context field with that name already exist',
                 }));
+            } else {
+                setErrors(prev => ({
+                    ...prev,
+                    name: e.toString(),
+                }));
             }
-        }
-    };
-
-    const validateName = () => {
-        if (contextName.length === 0) {
-            setErrors(prev => ({ ...prev, name: 'Name can not be empty.' }));
             return false;
         }
-        return true;
     };
 
     const clearErrors = () => {
@@ -77,12 +80,9 @@ const useContextForm = (
         setLegalValues,
         setStickiness,
         getContextPayload,
-        validateNameUniqueness,
+        validateContext,
-        validateName,
         setErrors,
         clearErrors,
         errors,
     };
 };
-
-export default useContextForm;

frontend/src/component/environments/CreateEnvironment/CreateEnvironment.tsx

@@ -14,6 +14,7 @@ import ConditionallyRender from 'component/common/ConditionallyRender';
 import PageContent from 'component/common/PageContent/PageContent';
 import { ADMIN } from 'component/providers/AccessProvider/permissions';
 import HeaderTitle from 'component/common/HeaderTitle/HeaderTitle';
+import { formatUnknownError } from 'utils/format-unknown-error';
 
 const CreateEnvironment = () => {
     const { setToastApiError, setToastData } = useToast();
@@ -49,8 +50,8 @@ const CreateEnvironment = () => {
                     confetti: true,
                 });
                 history.push('/environments');
-            } catch (e: any) {
+            } catch (error: unknown) {
-                setToastApiError(e.toString());
+                setToastApiError(formatUnknownError(error));
             }
         }
     };

frontend/src/component/environments/EditEnvironment/EditEnvironment.tsx

@@ -9,6 +9,7 @@ import { useHistory, useParams } from 'react-router-dom';
 import { ADMIN } from '../../providers/AccessProvider/permissions';
 import EnvironmentForm from '../EnvironmentForm/EnvironmentForm';
 import useEnvironmentForm from '../hooks/useEnvironmentForm';
+import { formatUnknownError } from '../../../utils/format-unknown-error';
 
 const EditEnvironment = () => {
     const { uiConfig } = useUiConfig();
@@ -49,8 +50,8 @@ const EditEnvironment = () => {
                 type: 'success',
                 title: 'Successfully updated environment.',
             });
-        } catch (e: any) {
+        } catch (error: unknown) {
-            setToastApiError(e.toString());
+            setToastApiError(formatUnknownError(error));
         }
     };
 
@@ -61,7 +62,7 @@ const EditEnvironment = () => {
     return (
         <FormTemplate
             title="Edit environment"
-            description="Environments allow you to manage your 
+            description="Environments allow you to manage your
             product lifecycle from local development
             through production. Your projects and
             feature toggles are accessible in all your

frontend/src/component/environments/EnvironmentForm/EnvironmentTypeSelector/EnvironmentTypeSelector.tsx

@@ -1,10 +1,11 @@
 import {
     FormControl,
     FormControlLabel,
-    RadioGroup,
     Radio,
+    RadioGroup,
 } from '@material-ui/core';
 import { useStyles } from './EnvironmentTypeSelector.styles';
+import React from 'react';
 
 interface IEnvironmentTypeSelectorProps {
     onChange: (event: React.FormEvent<HTMLInputElement>) => void;

frontend/src/component/environments/EnvironmentList/EnvironmentDeleteConfirm/EnvironmentDeleteConfirm.tsx

@@ -11,7 +11,7 @@ interface IEnviromentDeleteConfirmProps {
     open: boolean;
     setSelectedEnv: React.Dispatch<React.SetStateAction<IEnvironment>>;
     setDeldialogue: React.Dispatch<React.SetStateAction<boolean>>;
-    handleDeleteEnvironment: (name: string) => Promise<void>;
+    handleDeleteEnvironment: () => Promise<void>;
     confirmName: string;
     setConfirmName: React.Dispatch<React.SetStateAction<string>>;
 }

frontend/src/component/environments/EnvironmentList/EnvironmentList.tsx

@@ -21,6 +21,7 @@ import EnvironmentToggleConfirm from './EnvironmentToggleConfirm/EnvironmentTogg
 import useProjectRolePermissions from '../../../hooks/api/getters/useProjectRolePermissions/useProjectRolePermissions';
 import { ADMIN } from 'component/providers/AccessProvider/permissions';
 import useUiConfig from 'hooks/api/getters/useUiConfig/useUiConfig';
+import { formatUnknownError } from '../../../utils/format-unknown-error';
 
 const EnvironmentList = () => {
     const defaultEnv = {
@@ -75,16 +76,16 @@ const EnvironmentList = () => {
         try {
             await sortOrderAPICall(sortOrder);
             refetch();
-        } catch (e) {
+        } catch (error: unknown) {
-            setToastApiError(e.toString());
+            setToastApiError(formatUnknownError(error));
         }
     };
 
     const sortOrderAPICall = async (sortOrder: ISortOrderPayload) => {
         try {
             await changeSortOrder(sortOrder);
-        } catch (e) {
+        } catch (error: unknown) {
-            setToastApiError(e.toString());
+            setToastApiError(formatUnknownError(error));
         }
     };
 
@@ -97,8 +98,8 @@ const EnvironmentList = () => {
                 title: 'Project environment deleted',
                 text: 'You have successfully deleted the project environment.',
             });
-        } catch (e) {
+        } catch (error: unknown) {
-            setToastApiError(e.toString());
+            setToastApiError(formatUnknownError(error));
         } finally {
             setDeldialogue(false);
             setSelectedEnv(defaultEnv);
@@ -124,8 +125,8 @@ const EnvironmentList = () => {
                 title: 'Project environment enabled',
                 text: 'Your environment is enabled',
             });
-        } catch (e) {
+        } catch (error: unknown) {
-            setToastApiError(e.toString());
+            setToastApiError(formatUnknownError(error));
         } finally {
             refetch();
         }
@@ -140,8 +141,8 @@ const EnvironmentList = () => {
                 title: 'Project environment disabled',
                 text: 'Your environment is disabled.',
             });
-        } catch (e) {
+        } catch (error: unknown) {
-            setToastApiError(e.toString());
+            setToastApiError(formatUnknownError(error));
         } finally {
             refetch();
         }
@@ -174,12 +175,11 @@ const EnvironmentList = () => {
                             <ResponsiveButton
                                 onClick={navigateToCreateEnvironment}
                                 maxWidth="700px"
-                                tooltip="Add environment"
                                 Icon={Add}
                                 permission={ADMIN}
                                 disabled={!Boolean(uiConfig.flags.EEA)}
                             >
-                                Add Environment
+                                New Environment
                             </ResponsiveButton>
                         </>
                     }

frontend/src/component/feature/CreateFeature/CreateFeature.tsx

@@ -10,6 +10,7 @@ import { useContext } from 'react';
 import { CreateButton } from 'component/common/CreateButton/CreateButton';
 import UIContext from 'contexts/UIContext';
 import { CF_CREATE_BTN_ID } from 'testIds';
+import { formatUnknownError } from '../../../utils/format-unknown-error';
 
 const CreateFeature = () => {
     const { setToastData, setToastApiError } = useToast();
@@ -53,8 +54,8 @@ const CreateFeature = () => {
                     type: 'success',
                 });
                 setShowFeedback(true);
-            } catch (e: any) {
+            } catch (error: unknown) {
-                setToastApiError(e.toString());
+                setToastApiError(formatUnknownError(error));
             }
         }
     };

frontend/src/component/feature/EditFeature/EditFeature.tsx

@@ -10,6 +10,7 @@ import useFeature from 'hooks/api/getters/useFeature/useFeature';
 import useUiConfig from 'hooks/api/getters/useUiConfig/useUiConfig';
 import useToast from 'hooks/useToast';
 import { IFeatureViewParams } from 'interfaces/params';
+import { formatUnknownError } from 'utils/format-unknown-error';
 
 const EditFeature = () => {
     const { setToastData, setToastApiError } = useToast();
@@ -57,8 +58,8 @@ const EditFeature = () => {
                 title: 'Toggle updated successfully',
                 type: 'success',
             });
-        } catch (e: any) {
+        } catch (error: unknown) {
-            setToastApiError(e.toString());
+            setToastApiError(formatUnknownError(error));
         }
     };
 

frontend/src/component/feature/FeatureToggleList/FeatureToggleList.jsx

@@ -183,7 +183,7 @@ const FeatureToggleList = ({
                                                         skeleton: loading,
                                                     })}
                                                 >
-                                                    Create feature toggle
+                                                    New feature toggle
                                                 </Button>
                                             }
                                         />

frontend/src/component/feature/FeatureToggleList/__tests__/__snapshots__/list-component-test.jsx.snap

@@ -165,7 +165,7 @@ exports[`renders correctly with one feature 1`] = `
               <span
                 className="MuiButton-label"
               >
-                Create feature toggle
+                New feature toggle
               </span>
             </a>
           </div>
@@ -362,7 +362,7 @@ exports[`renders correctly with one feature without permissions 1`] = `
               <span
                 className="MuiButton-label"
               >
-                Create feature toggle
+                New feature toggle
               </span>
             </a>
           </div>

frontend/src/component/feature/FeatureToggleListNew/FeatureToggleListNewItem/CreatedAt.tsx

@@ -1,9 +1,6 @@
 import { Tooltip } from '@material-ui/core';
-import {
-    formatDateWithLocale,
-    formatFullDateTimeWithLocale,
-} from '../../../common/util';
 import { useLocationSettings } from '../../../../hooks/useLocationSettings';
+import { formatDateYMD, formatDateYMDHMS } from '../../../../utils/format-date';
 
 interface CreatedAtProps {
     time: Date;
@@ -14,12 +11,12 @@ const CreatedAt = ({ time }: CreatedAtProps) => {
 
     return (
         <Tooltip
-            title={`Created at ${formatFullDateTimeWithLocale(
+            title={`Created at ${formatDateYMDHMS(
                 time,
                 locationSettings.locale
             )}`}
         >
-            <span>{formatDateWithLocale(time, locationSettings.locale)}</span>
+            <span>{formatDateYMD(time, locationSettings.locale)}</span>
         </Tooltip>
     );
 };

frontend/src/component/feature/FeatureToggleListNew/FeatureToggleListNewItem/FeatureToggleListNewItem.tsx

@@ -1,10 +1,12 @@
 import { useRef, useState } from 'react';
 import { TableCell, TableRow } from '@material-ui/core';
 import { useHistory } from 'react-router';
-
 import { useStyles } from '../FeatureToggleListNew.styles';
 import useToggleFeatureByEnv from '../../../../hooks/api/actions/useToggleFeatureByEnv/useToggleFeatureByEnv';
-import { IEnvironments } from '../../../../interfaces/featureToggle';
+import {
+    IEnvironments,
+    IFeatureEnvironment,
+} from '../../../../interfaces/featureToggle';
 import useToast from '../../../../hooks/useToast';
 import { getTogglePath } from '../../../../utils/route-path-helpers';
 import { SyntheticEvent } from 'react-router/node_modules/@types/react';
@@ -25,8 +27,8 @@ interface IFeatureToggleListNewItemProps {
     type: string;
     environments: IFeatureEnvironment[];
     projectId: string;
-    lastSeenAt?: Date;
+    lastSeenAt?: string;
-    createdAt: Date;
+    createdAt: string;
 }
 
 const FeatureToggleListNewItem = ({

frontend/src/component/feature/FeatureView/FeatureMetrics/FeatureMetricsChart/createChartOptions.ts

@@ -1,9 +1,9 @@
 import { ILocationSettings } from '../../../../../hooks/useLocationSettings';
 import 'chartjs-adapter-date-fns';
 import { ChartOptions, defaults } from 'chart.js';
-import { formatTimeWithLocale } from '../../../../common/util';
 import { IFeatureMetricsRaw } from '../../../../../interfaces/featureToggle';
 import theme from '../../../../../themes/main-theme';
+import { formatDateHM } from '../../../../../utils/format-date';
 
 export const createChartOptions = (
     metrics: IFeatureMetricsRaw[],
@@ -30,7 +30,7 @@ export const createChartOptions = (
                 usePointStyle: true,
                 callbacks: {
                     title: items =>
-                        formatTimeWithLocale(
+                        formatDateHM(
                             items[0].parsed.x,
                             locationSettings.locale
                         ),
@@ -73,10 +73,7 @@ export const createChartOptions = (
                 grid: { display: false },
                 ticks: {
                     callback: (_, i, data) =>
-                        formatTimeWithLocale(
+                        formatDateHM(data[i].value, locationSettings.locale),
-                            data[i].value,
-                            locationSettings.locale
-                        ),
                 },
             },
         },

frontend/src/component/feature/FeatureView/FeatureMetrics/FeatureMetricsTable/FeatureMetricsTable.tsx

@@ -9,8 +9,8 @@ import {
     useTheme,
 } from '@material-ui/core';
 import { useLocationSettings } from '../../../../../hooks/useLocationSettings';
-import { formatFullDateTimeWithLocale } from '../../../../common/util';
 import { useMemo } from 'react';
+import { formatDateYMDHMS } from 'utils/format-date';
 
 export const FEATURE_METRICS_TABLE_ID = 'feature-metrics-table-id';
 
@@ -48,7 +48,7 @@ export const FeatureMetricsTable = ({ metrics }: IFeatureMetricsTableProps) => {
                 {sortedMetrics.map(metric => (
                     <TableRow key={metric.timestamp}>
                         <TableCell>
-                            {formatFullDateTimeWithLocale(
+                            {formatDateYMDHMS(
                                 metric.timestamp,
                                 locationSettings.locale
                             )}

frontend/src/component/feature/FeatureView/FeatureOverview/AddTagDialog/AddTagDialog.tsx

@@ -1,6 +1,6 @@
 import { DialogContentText } from '@material-ui/core';
 import { useParams } from 'react-router';
-import { useState } from 'react';
+import React, { useState } from 'react';
 import { IFeatureViewParams } from '../../../../../interfaces/params';
 import Dialogue from '../../../../common/Dialogue';
 import Input from '../../../../common/Input/Input';
@@ -11,6 +11,7 @@ import TagSelect from '../../../../common/TagSelect/TagSelect';
 import useFeatureApi from '../../../../../hooks/api/actions/useFeatureApi/useFeatureApi';
 import useTags from '../../../../../hooks/api/getters/useTags/useTags';
 import useToast from '../../../../../hooks/useToast';
+import { formatUnknownError } from '../../../../../utils/format-unknown-error';
 
 interface IAddTagDialogProps {
     open: boolean;
@@ -20,6 +21,7 @@ interface IAddTagDialogProps {
 interface IDefaultTag {
     type: string;
     value: string;
+
     [index: string]: string;
 }
 
@@ -62,9 +64,10 @@ const AddTagDialog = ({ open, setOpen }: IAddTagDialogProps) => {
                 text: 'We successfully added a tag to your toggle',
                 confetti: true,
             });
-        } catch (e) {
+        } catch (error: unknown) {
-            setToastApiError(e.message);
+            const message = formatUnknownError(error);
-            setErrors({ tagError: e.message });
+            setToastApiError(message);
+            setErrors({ tagError: message });
         }
     };
 

frontend/src/component/feature/FeatureView/FeatureOverview/FeatureOverviewEnvSwitches/FeatureOverviewEnvSwitch/FeatureOverviewEnvSwitch.tsx

@@ -8,6 +8,8 @@ import { IFeatureViewParams } from '../../../../../../interfaces/params';
 import PermissionSwitch from '../../../../../common/PermissionSwitch/PermissionSwitch';
 import StringTruncator from '../../../../../common/StringTruncator/StringTruncator';
 import { UPDATE_FEATURE_ENVIRONMENT } from '../../../../../providers/AccessProvider/permissions';
+import React from 'react';
+import { formatUnknownError } from '../../../../../../utils/format-unknown-error';
 
 interface IFeatureOverviewEnvSwitchProps {
     env: IFeatureEnvironment;
@@ -40,7 +42,7 @@ const FeatureOverviewEnvSwitch = ({
             if (callback) {
                 callback();
             }
-        } catch (e: any) {
+        } catch (e) {
             if (e.message === ENVIRONMENT_STRATEGY_ERROR) {
                 showInfoBox(true);
             } else {
@@ -61,8 +63,8 @@ const FeatureOverviewEnvSwitch = ({
             if (callback) {
                 callback();
             }
-        } catch (e: any) {
+        } catch (error: unknown) {
-            setToastApiError(e.message);
+            setToastApiError(formatUnknownError(error));
         }
     };
 
@@ -93,7 +95,6 @@ const FeatureOverviewEnvSwitch = ({
                 checked={env.enabled}
                 onChange={toggleEnvironment}
                 environmentId={env.name}
-                tooltip={''}
             />
             {content}
         </div>

frontend/src/component/feature/FeatureView/FeatureOverview/FeatureOverviewEnvironments/FeatureOverviewEnvironment/FeatureOverviewEnvironmentStrategies/FeatureOverviewEnvironmentStrategy/FeatureOverviewEnvironmentStrategy.tsx

@@ -1,5 +1,5 @@
 import { Settings } from '@material-ui/icons';
-import { useTheme } from '@material-ui/styles';
+import { useTheme } from '@material-ui/core/styles';
 import { Link, useParams } from 'react-router-dom';
 import { IFeatureViewParams } from '../../../../../../../../interfaces/params';
 import { IFeatureStrategy } from '../../../../../../../../interfaces/strategy';

frontend/src/component/feature/FeatureView/FeatureOverview/FeatureOverviewMetaData/FeatureOverviewTags/FeatureOverviewTags.tsx

@@ -1,6 +1,6 @@
-import { useState, useContext } from 'react';
+import React, { useContext, useState } from 'react';
 import { Chip } from '@material-ui/core';
-import { Label, Close } from '@material-ui/icons';
+import { Close, Label } from '@material-ui/icons';
 import { useParams } from 'react-router-dom';
 import useTags from '../../../../../../hooks/api/getters/useTags/useTags';
 import { IFeatureViewParams } from '../../../../../../interfaces/params';
@@ -17,6 +17,7 @@ import useToast from '../../../../../../hooks/useToast';
 import { UPDATE_FEATURE } from '../../../../../providers/AccessProvider/permissions';
 import ConditionallyRender from '../../../../../common/ConditionallyRender';
 import AccessContext from '../../../../../../contexts/AccessContext';
+import { formatUnknownError } from '../../../../../../utils/format-unknown-error';
 
 interface IFeatureOverviewTagsProps extends React.HTMLProps<HTMLButtonElement> {
     projectId: string;
@@ -53,8 +54,8 @@ const FeatureOverviewTags: React.FC<IFeatureOverviewTagsProps> = ({
                 title: 'Tag deleted',
                 text: 'Successfully deleted tag',
             });
-        } catch (e) {
+        } catch (error: unknown) {
-            setToastApiError(e.message);
+            setToastApiError(formatUnknownError(error));
         }
     };
 

frontend/src/component/feature/FeatureView/FeatureSettings/FeatureSettingsMetadata/FeatureSettingsMetadata.tsx

@@ -1,4 +1,4 @@
-import { useState, useEffect, useContext } from 'react';
+import { useContext, useEffect, useState } from 'react';
 import * as jsonpatch from 'fast-json-patch';
 import { TextField } from '@material-ui/core';
 import PermissionButton from '../../../../common/PermissionButton/PermissionButton';
@@ -11,6 +11,7 @@ import { IFeatureViewParams } from '../../../../../interfaces/params';
 import useToast from '../../../../../hooks/useToast';
 import useFeatureApi from '../../../../../hooks/api/actions/useFeatureApi/useFeatureApi';
 import ConditionallyRender from '../../../../common/ConditionallyRender';
+import { formatUnknownError } from '../../../../../utils/format-unknown-error';
 
 const FeatureSettingsMetadata = () => {
     const { hasAccess } = useContext(AccessContext);
@@ -54,8 +55,8 @@ const FeatureSettingsMetadata = () => {
             });
             setDirty(false);
             refetch();
-        } catch (e) {
+        } catch (error: unknown) {
-            setToastApiError(e.toString());
+            setToastApiError(formatUnknownError(error));
         }
     };
 

frontend/src/component/feature/FeatureView/FeatureSettings/FeatureSettingsProject/FeatureSettingsProject.tsx

@@ -1,4 +1,4 @@
-import { useState, useEffect, useContext } from 'react';
+import { useContext, useEffect, useState } from 'react';
 import { useHistory, useParams } from 'react-router';
 import AccessContext from '../../../../../contexts/AccessContext';
 import useFeatureApi from '../../../../../hooks/api/actions/useFeatureApi/useFeatureApi';
@@ -12,6 +12,7 @@ import FeatureProjectSelect from './FeatureProjectSelect/FeatureProjectSelect';
 import FeatureSettingsProjectConfirm from './FeatureSettingsProjectConfirm/FeatureSettingsProjectConfirm';
 import { IPermission } from '../../../../../interfaces/user';
 import { useAuthPermissions } from '../../../../../hooks/api/getters/useAuth/useAuthPermissions';
+import { formatUnknownError } from '../../../../../utils/format-unknown-error';
 
 const FeatureSettingsProject = () => {
     const { hasAccess } = useContext(AccessContext);
@@ -61,16 +62,16 @@ const FeatureSettingsProject = () => {
             history.replace(
                 `/projects/${newProject}/features/${featureId}/settings`
             );
-        } catch (e) {
+        } catch (error: unknown) {
-            setToastApiError(e.message);
+            setToastApiError(formatUnknownError(error));
         }
     };
 
     const createMoveTargets = () => {
         return permissions.reduce(
-            (acc: { [key: string]: boolean }, permission: IPermission) => {
+            (acc: { [key: string]: boolean }, p: IPermission) => {
-                if (permission.permission === MOVE_FEATURE_TOGGLE) {
+                if (p.project && p.permission === MOVE_FEATURE_TOGGLE) {
-                    acc[permission.project] = true;
+                    acc[p.project] = true;
                 }
                 return acc;
             },
@@ -101,7 +102,6 @@ const FeatureSettingsProject = () => {
                 show={
                     <PermissionButton
                         permission={MOVE_FEATURE_TOGGLE}
-                        tooltip="Update feature"
                         onClick={() => setShowConfirmDialog(true)}
                         projectId={projectId}
                     >

frontend/src/component/feature/FeatureView/FeatureStatus/FeatureStatus.tsx

@@ -1,7 +1,8 @@
 import { useStyles } from './FeatureStatus.styles';
 import TimeAgo from 'react-timeago';
 import ConditionallyRender from '../../../common/ConditionallyRender';
-import { Tooltip } from '@material-ui/core';
+import { Tooltip, TooltipProps } from '@material-ui/core';
+import React from 'react';
 
 function generateUnit(unit?: string): string {
     switch (unit) {
@@ -46,8 +47,8 @@ function getColor(unit?: string): string {
 }
 
 interface FeatureStatusProps {
-    lastSeenAt?: Date;
+    lastSeenAt?: string;
-    tooltipPlacement?: string;
+    tooltipPlacement?: TooltipProps['placement'];
 }
 
 const FeatureStatus = ({
@@ -76,7 +77,7 @@ const FeatureStatus = ({
             condition={!!lastSeenAt}
             show={
                 <TimeAgo
-                    date={lastSeenAt}
+                    date={lastSeenAt!}
                     title=""
                     live={false}
                     formatter={(

frontend/src/component/feature/FeatureView/FeatureStrategies/FeatureStrategiesEnvironments/FeatureStrategiesConfigure/FeatureStrategiesConfigure.tsx

@@ -19,6 +19,7 @@ import { ADD_NEW_STRATEGY_SAVE_ID } from '../../../../../../testIds';
 import useFeature from '../../../../../../hooks/api/getters/useFeature/useFeature';
 import { scrollToTop } from '../../../../../common/util';
 import useToast from '../../../../../../hooks/useToast';
+import { formatUnknownError } from '../../../../../../utils/format-unknown-error';
 
 const FeatureStrategiesConfigure = () => {
     const history = useHistory();
@@ -99,8 +100,8 @@ const FeatureStrategiesConfigure = () => {
             history.replace(history.location.pathname);
             refetch();
             scrollToTop();
-        } catch (e) {
+        } catch (error: unknown) {
-            setToastApiError(e.message);
+            setToastApiError(formatUnknownError(error));
         }
     };
 

frontend/src/component/feature/FeatureView/FeatureStrategies/FeatureStrategiesEnvironments/FeatureStrategiesEnvironmentList/FeatureStrategiesEnvironmentList.tsx

@@ -39,7 +39,6 @@ const FeatureStrategiesEnvironmentList = ({
 
     const {
         activeEnvironmentsRef,
-        setToastData,
         deleteStrategy,
         updateStrategy,
         delDialog,
@@ -162,7 +161,6 @@ const FeatureStrategiesEnvironmentList = ({
                                                 : 'Toggle is disabled and no strategies are executing'
                                         }
                                         env={activeEnvironment}
-                                        setToastData={setToastData}
                                         callback={updateFeatureEnvironmentCache}
                                     />
                                 </div>

frontend/src/component/feature/FeatureView/FeatureStrategies/FeatureStrategiesEnvironments/FeatureStrategiesEnvironmentList/useFeatureStrategiesEnvironmentList.ts

@@ -4,9 +4,13 @@ import FeatureStrategiesUIContext from '../../../../../../contexts/FeatureStrate
 import useFeatureStrategyApi from '../../../../../../hooks/api/actions/useFeatureStrategyApi/useFeatureStrategyApi';
 import useToast from '../../../../../../hooks/useToast';
 import { IFeatureViewParams } from '../../../../../../interfaces/params';
-import { IFeatureStrategy } from '../../../../../../interfaces/strategy';
+import {
+    IFeatureStrategy,
+    IStrategyPayload,
+} from '../../../../../../interfaces/strategy';
 import cloneDeep from 'lodash.clonedeep';
 import { IFeatureEnvironment } from '../../../../../../interfaces/featureToggle';
+import { formatUnknownError } from '../../../../../../utils/format-unknown-error';
 
 const useFeatureStrategiesEnvironmentList = () => {
     const { projectId, featureId } = useParams<IFeatureViewParams>();
@@ -85,8 +89,8 @@ const useFeatureStrategiesEnvironmentList = () => {
             strategy.constraints = updateStrategyPayload.constraints;
             history.replace(history.location.pathname);
             setFeatureCache(feature);
-        } catch (e) {
+        } catch (error: unknown) {
-            setToastApiError(e.message);
+            setToastApiError(formatUnknownError(error));
         }
     };
 
@@ -118,14 +122,13 @@ const useFeatureStrategiesEnvironmentList = () => {
                 text: `Successfully deleted strategy from ${featureId}`,
             });
             history.replace(history.location.pathname);
-        } catch (e) {
+        } catch (error: unknown) {
-            setToastApiError(e.message);
+            setToastApiError(formatUnknownError(error));
         }
     };
 
     return {
         activeEnvironmentsRef,
-        setToastData,
         deleteStrategy,
         updateStrategy,
         delDialog,

frontend/src/component/feature/FeatureView/FeatureStrategies/FeatureStrategiesEnvironments/FeatureStrategiesEnvironments.tsx

@@ -282,7 +282,7 @@ const FeatureStrategiesEnvironments = () => {
                                         environmentId={activeEnvironment.name}
                                         permission={CREATE_FEATURE_STRATEGY}
                                     >
-                                        Add new strategy
+                                        New strategy
                                     </ResponsiveButton>
                                 }
                             />

frontend/src/component/feature/FeatureView/FeatureStrategies/FeatureStrategiesEnvironments/FeatureStrategiesProductionGuard/FeatureStrategiesProductionGuard.tsx

@@ -11,7 +11,7 @@ interface IFeatureStrategiesProductionGuard {
     onClick: () => void;
     onClose: () => void;
     primaryButtonText: string;
-    loading: boolean;
+    loading?: boolean;
 }
 
 const FeatureStrategiesProductionGuard = ({
@@ -61,4 +61,11 @@ const FeatureStrategiesProductionGuard = ({
     );
 };
 
+export const disableFeatureStrategiesProductionGuard = () => {
+    localStorage.setItem(
+        FEATURE_STRATEGY_PRODUCTION_GUARD_SETTING,
+        String(true)
+    );
+};
+
 export default FeatureStrategiesProductionGuard;

frontend/src/component/feature/FeatureView/FeatureStrategies/FeatureStrategiesEnvironments/FeatureStrategyEditable/FeatureStrategyEditable.tsx

@@ -1,4 +1,4 @@
-import { useContext, useEffect, useState } from 'react';
+import React, { useContext, useEffect, useState } from 'react';
 import { useParams } from 'react-router-dom';
 import { mutate } from 'swr';
 import FeatureStrategiesUIContext from '../../../../../../contexts/FeatureStrategiesUIContext';
@@ -6,8 +6,8 @@ import useFeatureStrategy from '../../../../../../hooks/api/getters/useFeatureSt
 import { IFeatureViewParams } from '../../../../../../interfaces/params';
 import {
     IConstraint,
-    IParameter,
     IFeatureStrategy,
+    IParameter,
 } from '../../../../../../interfaces/strategy';
 import FeatureStrategyAccordion from '../../FeatureStrategyAccordion/FeatureStrategyAccordion';
 import cloneDeep from 'lodash.clonedeep';

frontend/src/component/feature/FeatureView/FeatureStrategies/FeatureStrategiesList/FeatureStrategyCard/FeatureStrategyCard.tsx

@@ -23,7 +23,7 @@ interface IFeatureStrategyCardProps {
     name: string;
     description: string;
     configureNewStrategy: boolean;
-    index?: number;
+    index: number;
 }
 
 export const FEATURE_STRATEGIES_DRAG_TYPE = 'FEATURE_STRATEGIES_DRAG_TYPE';

frontend/src/component/feature/FeatureView/FeatureStrategies/FeatureStrategyAccordion/FeatureStrategyAccordionBody/FeatureStrategyAccordionBody.tsx

@@ -8,7 +8,7 @@ import useStrategies from '../../../../../../hooks/api/getters/useStrategies/use
 import GeneralStrategy from '../../common/GeneralStrategy/GeneralStrategy';
 import UserWithIdStrategy from '../../common/UserWithIdStrategy/UserWithId';
 import StrategyConstraints from '../../common/StrategyConstraints/StrategyConstraints';
-import { useContext, useState } from 'react';
+import React, { useContext, useState } from 'react';
 import ConditionallyRender from '../../../../../common/ConditionallyRender';
 import useUiConfig from '../../../../../../hooks/api/getters/useUiConfig/useUiConfig';
 import { C } from '../../../../../common/flags';

frontend/src/component/feature/FeatureView/FeatureStrategies/common/GeneralStrategy/GeneralStrategy.tsx

@@ -1,16 +1,16 @@
 import React from 'react';
 import {
-    Switch,
     FormControlLabel,
-    Tooltip,
+    Switch,
     TextField,
+    Tooltip,
 } from '@material-ui/core';
 
 import StrategyInputList from '../StrategyInputList/StrategyInputList';
 import RolloutSlider from '../RolloutSlider/RolloutSlider';
 import {
-    IParameter,
     IFeatureStrategy,
+    IParameter,
 } from '../../../../../../interfaces/strategy';
 import { useStyles } from './GeneralStrategy.styles';
 
@@ -77,7 +77,7 @@ const GeneralStrategy = ({
                         </div>
                     );
                 } else if (type === 'list') {
-                    let list = [];
+                    let list: string[] = [];
                     if (typeof value === 'string') {
                         list = value.trim().split(',').filter(Boolean);
                     }

frontend/src/component/feature/FeatureView/FeatureStrategies/common/RolloutSlider/RolloutSlider.tsx

@@ -1,6 +1,7 @@
 import { makeStyles, withStyles } from '@material-ui/core/styles';
 import { Slider, Typography } from '@material-ui/core';
 import { ROLLOUT_SLIDER_ID } from '../../../../../../testIds';
+import React from 'react';
 
 const StyledSlider = withStyles({
     root: {

frontend/src/component/feature/FeatureView/FeatureStrategies/common/StrategyConstraints/StrategyConstraints.tsx

@@ -7,7 +7,7 @@ import useUiConfig from '../../../../../../hooks/api/getters/useUiConfig/useUiCo
 import { C } from '../../../../../common/flags';
 import useUnleashContext from '../../../../../../hooks/api/getters/useUnleashContext/useUnleashContext';
 import StrategyConstraintInputField from './StrategyConstraintInputField';
-import { useEffect } from 'react';
+import React, { useEffect } from 'react';
 
 interface IStrategyConstraintProps {
     constraints: IConstraint[];
@@ -38,7 +38,7 @@ const StrategyConstraints: React.FC<IStrategyConstraintProps> = ({
     const enabled = uiConfig.flags[C];
     const contextNames = contextFields.map(context => context.name);
 
-    const onClick = evt => {
+    const onClick = (evt: React.SyntheticEvent) => {
         evt.preventDefault();
         addConstraint();
     };
@@ -57,15 +57,15 @@ const StrategyConstraints: React.FC<IStrategyConstraintProps> = ({
         };
     };
 
-    const removeConstraint = index => evt => {
+    const removeConstraint = (index: number) => (event: Event) => {
-        evt.preventDefault();
+        event.preventDefault();
         const updatedConstraints = [...constraints];
         updatedConstraints.splice(index, 1);
 
         updateConstraints(updatedConstraints);
     };
 
-    const updateConstraint = index => (value, field) => {
+    const updateConstraint = (index: number) => (value, field) => {
         const updatedConstraints = [...constraints];
         const constraint = updatedConstraints[index];
         constraint[field] = value;

frontend/src/component/feature/FeatureView/FeatureStrategies/common/StrategyInputList/StrategyInputList.tsx

@@ -10,7 +10,7 @@ import {
 interface IStrategyInputList {
     name: string;
     list: string[];
-    setConfig: () => void;
+    setConfig: (field: string, value: string) => void;
     disabled: boolean;
 }
 

frontend/src/component/feature/FeatureView/FeatureStrategies/common/UserWithIdStrategy/UserWithId.tsx

@@ -3,7 +3,7 @@ import StrategyInputList from '../StrategyInputList/StrategyInputList';
 
 interface IUserWithIdStrategyProps {
     parameters: IParameter;
-    updateParameter: (field: string, value: any) => void;
+    updateParameter: (field: string, value: string) => void;
     editable: boolean;
 }