Use gap instead of individual paddings for header icons

src/app/header/context-help-toggle/context-help-toggle.component.ts

@@ -1,6 +1,6 @@
-import { Component, OnInit } from '@angular/core';
+import { Component, OnInit, ElementRef } from '@angular/core';
 import { ContextHelpService } from '../../shared/context-help.service';
-import { Observable } from 'rxjs';
+import { Observable, Subscription } from 'rxjs';
 import { map } from 'rxjs/operators';
 
 /**
@@ -15,12 +15,23 @@ import { map } from 'rxjs/operators';
 export class ContextHelpToggleComponent implements OnInit {
   buttonVisible$: Observable<boolean>;
 
+  subscriptions: Subscription[] = [];
+
   constructor(
-    private contextHelpService: ContextHelpService,
-  ) { }
+    protected elRef: ElementRef,
+    protected contextHelpService: ContextHelpService,
+  ) {
+  }
 
   ngOnInit(): void {
     this.buttonVisible$ = this.contextHelpService.tooltipCount$().pipe(map(x => x > 0));
+    this.subscriptions.push(this.buttonVisible$.subscribe((showContextHelpToggle: boolean) => {
+      if (showContextHelpToggle) {
+        this.elRef.nativeElement.classList.remove('d-none');
+      } else {
+        this.elRef.nativeElement.classList.add('d-none');
+      }
+    }));
   }
 
   onClick() {

src/app/header/header.component.html

@@ -11,8 +11,8 @@
         <ds-context-help-toggle></ds-context-help-toggle>
         <ds-themed-auth-nav-menu></ds-themed-auth-nav-menu>
         <ds-impersonate-navbar></ds-impersonate-navbar>
-        <div class="pl-2">
-          <button class="navbar-toggler" type="button" (click)="toggleNavbar()"
+        <div *ngIf="isXsOrSm$ | async" class="pl-2">
+          <button class="navbar-toggler px-0" type="button" (click)="toggleNavbar()"
                   aria-controls="collapsingNav"
                   aria-expanded="false" [attr.aria-label]="'nav.toggle' | translate">
             <span class="navbar-toggler-icon fas fa-bars fa-fw" aria-hidden="true"></span>

src/app/header/header.component.scss

@@ -20,3 +20,7 @@
   }
 }
 
+.navbar {
+  display: flex;
+  gap: 0.25rem;
+}

src/app/header/header.component.ts

@@ -1,7 +1,8 @@
-import { Component } from '@angular/core';
+import { Component, OnInit } from '@angular/core';
 import { Observable } from 'rxjs';
 import { MenuService } from '../shared/menu/menu.service';
 import { MenuID } from '../shared/menu/menu-id.model';
+import { HostWindowService } from '../shared/host-window.service';
 
 /**
  * Represents the header with the logo and simple navigation
@@ -11,20 +12,25 @@ import { MenuID } from '../shared/menu/menu-id.model';
   styleUrls: ['header.component.scss'],
   templateUrl: 'header.component.html',
 })
-export class HeaderComponent {
+export class HeaderComponent implements OnInit {
   /**
    * Whether user is authenticated.
    * @type {Observable<string>}
    */
   public isAuthenticated: Observable<boolean>;
-  public showAuth = false;
+  public isXsOrSm$: Observable<boolean>;
   menuID = MenuID.PUBLIC;
 
   constructor(
-    private menuService: MenuService
+    protected menuService: MenuService,
+    protected windowService: HostWindowService,
   ) {
   }
 
+  ngOnInit(): void {
+    this.isXsOrSm$ = this.windowService.isXsOrSm();
+  }
+
   public toggleNavbar(): void {
     this.menuService.toggleMenu(this.menuID);
   }

src/app/search-navbar/search-navbar.component.html

@@ -3,7 +3,7 @@
     <form [formGroup]="searchForm" (ngSubmit)="onSubmit(searchForm.value)" autocomplete="on">
       <input #searchInput [@toggleAnimation]="isExpanded" [attr.aria-label]="('nav.search' | translate)" name="query"
              formControlName="query" type="text" placeholder="{{searchExpanded ? ('nav.search' | translate) : ''}}"
-             class="d-inline-block bg-transparent position-absolute form-control dropdown-menu-right p-1" [attr.data-test]="'header-search-box' | dsBrowserOnly">
+             class="d-inline-block bg-transparent position-absolute form-control dropdown-menu-right pl-1" [attr.data-test]="'header-search-box' | dsBrowserOnly">
       <button class="submit-icon btn btn-link btn-link-inline" [attr.aria-label]="'nav.search.button' | translate" type="button" (click)="searchExpanded ? onSubmit(searchForm.value) : expand()" [attr.data-test]="'header-search-icon' | dsBrowserOnly">
         <em class="fas fa-search fa-lg fa-fw"></em>
       </button>

src/app/search-navbar/search-navbar.component.scss

@@ -12,6 +12,7 @@ input[type="text"] {
   cursor: pointer;
   position: sticky;
   top: 0;
+  border: 0 !important;
 
   color: var(--ds-header-icon-color);
   &:hover, &:focus {

src/app/shared/animations/slide.ts

@@ -55,7 +55,7 @@ export const slideSidebarPadding = trigger('slideSidebarPadding', [
 
 export const expandSearchInput = trigger('toggleAnimation', [
   state('collapsed', style({
-    width: '30px',
+    width: '0',
     opacity: '0'
   })),
   state('expanded', style({

src/app/shared/auth-nav-menu/auth-nav-menu.component.html

@@ -2,7 +2,7 @@
   <li *ngIf="!(isAuthenticated | async) && !(isXsOrSm$ | async) && (showAuth | async)" class="nav-item"
       (click)="$event.stopPropagation();">
     <div ngbDropdown #loginDrop display="dynamic" placement="bottom-right" class="d-inline-block" @fadeInOut>
-      <a href="javascript:void(0);" class="dropdownLogin px-1" [attr.aria-label]="'nav.login' |translate"
+      <a href="javascript:void(0);" class="dropdownLogin" [attr.aria-label]="'nav.login' |translate"
          (click)="$event.preventDefault()" [attr.data-test]="'login-menu' | dsBrowserOnly"
          ngbDropdownToggle>{{ 'nav.login' | translate }}</a>
       <div class="loginDropdownMenu" [ngClass]="{'pl-3 pr-3': (loading | async)}" ngbDropdownMenu
@@ -13,7 +13,7 @@
     </div>
   </li>
   <li *ngIf="!(isAuthenticated | async) && (isXsOrSm$ | async)" class="nav-item">
-    <a routerLink="/login" routerLinkActive="active" class="loginLink px-1">
+    <a routerLink="/login" routerLinkActive="active" class="loginLink">
       {{ 'nav.login' | translate }}<span class="sr-only">(current)</span>
     </a>
   </li>

src/app/shared/impersonate-navbar/impersonate-navbar.component.html

@@ -1,4 +1,4 @@
-<ul class="navbar-nav" *ngIf="(isAuthenticated$ | async) && isImpersonating">
+<ul class="navbar-nav" *ngIf="isImpersonating$ | async">
   <li class="nav-item">
     <button class="btn btn-sm btn-dark" ngbTooltip="{{'nav.stop-impersonating' | translate}}" (click)="stopImpersonating()">
       <i class="fa fa-user-secret"></i>

src/app/shared/impersonate-navbar/impersonate-navbar.component.ts

@@ -1,8 +1,9 @@
-import { Component, OnInit } from '@angular/core';
+import { Component, OnInit, ElementRef } from '@angular/core';
 import { select, Store } from '@ngrx/store';
 import { AppState } from '../../app.reducer';
 import { AuthService } from '../../core/auth/auth.service';
-import { Observable } from 'rxjs';
+import { Observable, Subscription } from 'rxjs';
+import { map } from 'rxjs/operators';
 import { isAuthenticated } from '../../core/auth/selectors';
 
 @Component({
@@ -13,24 +14,32 @@ import { isAuthenticated } from '../../core/auth/selectors';
  * Navbar component for actions to take concerning impersonating users
  */
 export class ImpersonateNavbarComponent implements OnInit {
-  /**
-   * Whether or not the user is authenticated.
-   * @type {Observable<string>}
-   */
-  isAuthenticated$: Observable<boolean>;
 
   /**
    * Is the user currently impersonating another user?
    */
-  isImpersonating: boolean;
+  isImpersonating$: Observable<boolean>;
+
+  subscriptions: Subscription[] = [];
 
-  constructor(private store: Store<AppState>,
-              private authService: AuthService) {
+  constructor(
+    protected elRef: ElementRef,
+    protected store: Store<AppState>,
+    protected authService: AuthService,
+  ) {
   }
 
   ngOnInit(): void {
-    this.isAuthenticated$ = this.store.pipe(select(isAuthenticated));
-    this.isImpersonating = this.authService.isImpersonating();
+    this.isImpersonating$ = this.store.pipe(select(isAuthenticated)).pipe(
+      map((isUserAuthenticated: boolean) => isUserAuthenticated && this.authService.isImpersonating()),
+    );
+    this.subscriptions.push(this.isImpersonating$.subscribe((isImpersonating: boolean) => {
+      if (isImpersonating) {
+        this.elRef.nativeElement.classList.remove('d-none');
+      } else {
+        this.elRef.nativeElement.classList.add('d-none');
+      }
+    }));
   }
 
   /**

src/app/shared/lang-switch/lang-switch.component.html

@@ -1,7 +1,7 @@
 <div ngbDropdown class="navbar-nav" *ngIf="moreThanOneLanguage" display="dynamic" placement="bottom-right">
   <a href="javascript:void(0);" role="button"
      [attr.aria-label]="'nav.language' |translate"
-     [title]="'nav.language' | translate" class="px-1"
+     [title]="'nav.language' | translate"
      (click)="$event.preventDefault()" data-toggle="dropdown" ngbDropdownToggle
      tabindex="0">
     <i class="fas fa-globe-asia fa-lg fa-fw"></i>

src/app/shared/lang-switch/lang-switch.component.ts

@@ -1,7 +1,5 @@
-import { Component, OnInit } from '@angular/core';
-
+import { Component, OnInit, ElementRef } from '@angular/core';
 import { TranslateService } from '@ngx-translate/core';
-
 import { LangConfig } from '../../../config/lang-config.interface';
 import { environment } from '../../../environments/environment';
 import { LocaleService } from '../../core/locale/locale.service';
@@ -25,6 +23,7 @@ export class LangSwitchComponent implements OnInit {
   moreThanOneLanguage: boolean;
 
   constructor(
+    public el: ElementRef,
     public translate: TranslateService,
     private localeService: LocaleService
   ) {
@@ -33,6 +32,9 @@ export class LangSwitchComponent implements OnInit {
   ngOnInit(): void {
     this.activeLangs = environment.languages.filter((MyLangConfig) => MyLangConfig.active === true);
     this.moreThanOneLanguage = (this.activeLangs.length > 1);
+    if (!this.moreThanOneLanguage) {
+      this.el.nativeElement.style.display = 'none';
+    }
   }
 
   /**