ci: Ensure that eslint runs on all frontend code (no-changelog) (#4602)

* ensure that eslint runs on all frontend code

* remove tslint from `design-system`

* enable prettier and eslint-prettier for `design-system`

* Delete tslint.json

* use a single editorconfig for the repo

* enable prettier for all code in `design-system`

* more linting fixes on design-system

* ignore coverage for git and prettier

* lintfix on editor-ui

packages/design-system/src/components/N8nUserSelect/UserSelect.vue

@@ -30,8 +30,7 @@
 </template>
 
 <script lang="ts">
-/* tslint:disable: @typescript-eslint/no-unsafe-assignment */
-import Vue from 'vue';
+import 'vue';
 import N8nUserInfo from '../N8nUserInfo';
 import { IUser } from '../../types';
 import ElSelect from 'element-ui/lib/select';
@@ -74,8 +73,7 @@ export default mixins(Locale).extend({
 		},
 		size: {
 			type: String,
-			validator: (value: string): boolean =>
-				['mini', 'small', 'large'].includes(value),
+			validator: (value: string): boolean => ['mini', 'small', 'large'].includes(value),
 		},
 	},
 	data() {
@@ -85,33 +83,32 @@ export default mixins(Locale).extend({
 	},
 	computed: {
 		fitleredUsers(): IUser[] {
-			return (this.users as IUser[])
-				.filter((user) => {
-					if (user.isPendingUser || !user.email) {
-						return false;
-					}
+			return (this.users as IUser[]).filter((user) => {
+				if (user.isPendingUser || !user.email) {
+					return false;
+				}
 
-					if (this.ignoreIds && this.ignoreIds.includes(user.id)) {
-						return false;
-					}
+				if (this.ignoreIds?.includes(user.id)) {
+					return false;
+				}
 
-					if (user.fullName) {
-						const match = user.fullName.toLowerCase().includes(this.filter.toLowerCase());
-						if (match) {
-							return true;
-						}
+				if (user.fullName) {
+					const match = user.fullName.toLowerCase().includes(this.filter.toLowerCase());
+					if (match) {
+						return true;
 					}
+				}
 
-					return user.email.includes(this.filter);
-				});
+				return user.email.includes(this.filter);
+			});
 		},
 		sortedUsers(): IUser[] {
-			return [...(this.fitleredUsers )].sort((a: IUser, b: IUser) => {
+			return [...this.fitleredUsers].sort((a: IUser, b: IUser) => {
 				if (a.lastName && b.lastName && a.lastName !== b.lastName) {
 					return a.lastName > b.lastName ? 1 : -1;
 				}
 				if (a.firstName && b.firstName && a.firstName !== b.firstName) {
-					return a.firstName > b.firstName? 1 : -1;
+					return a.firstName > b.firstName ? 1 : -1;
 				}
 
 				if (!a.email || !b.email) {
@@ -121,7 +118,6 @@ export default mixins(Locale).extend({
 				return a.email > b.email ? 1 : -1;
 			});
 		},
-
 	},
 	methods: {
 		setFilter(value: string) {
@@ -141,13 +137,13 @@ export default mixins(Locale).extend({
 				return user.email;
 			}
 
+			// eslint-disable-next-line @typescript-eslint/restrict-template-expressions
 			return `${user.fullName} (${user.email})`;
 		},
 	},
 });
 </script>
 
-
 <style lang="scss" module>
 .itemContainer {
 	--select-option-padding: var(--spacing-2xs) var(--spacing-s);