Inbox

Installation

Variants

Schema

Type aliases exported from this item's source. Use these to shape the data you pass in.

interface Folder {
  id: FolderId
  label: string
  icon: LucideIconData
}

interface LabelTag {
  id: string
  label: string
  color: string
}

interface Mail {
  id: string
  folder: FolderId
  from: { name: string; email: string; initials: string }
  to: string
  subject: string
  preview: string
  body: string
  receivedAt: Date
  read: boolean
  starred: boolean
  hasAttachment: boolean
  labels: string[]
}

Files installed (2)

• src/app/components/blocks/inbox/inbox.component.ts30.2 kB

  Copy

  // Three-pane mail surface. The sample `messages` below are a stub -- pass your own list through the
  // `messages` input (or edit `defaultMails`) and wire archive / send to your mail API.
  import { Component, Input, computed, signal, ChangeDetectionStrategy } from '@angular/core'
  import {
    AlertOctagon,
    Archive,
    ArrowLeft,
    ArrowRight,
    AtSign,
    Bookmark,
    FileText,
    Forward,
    Inbox as InboxIcon,
    LucideAngularModule,
    MoreVertical,
    Paperclip,
    Pencil,
    Reply,
    ReplyAll,
    Search,
    Send,
    Smile,
    Star,
    Tag,
    Trash2,
    type LucideIconData,
  } from 'lucide-angular'
  import { cn } from '@/lib/utils'
  import { UiAvatarComponent, UiAvatarFallbackComponent } from '@/ui/avatar/avatar.component'
  import { UiButtonComponent } from '@/ui/button/button.component'
  import { UiInputComponent } from '@/ui/input/input.component'
  
  export type ReplyMode = 'reply' | 'reply-all' | 'forward'
  
  export type FolderId = 'inbox' | 'starred' | 'sent' | 'drafts' | 'spam' | 'trash'
  
  interface Folder {
    id: FolderId
    label: string
    icon: LucideIconData
  }
  
  export interface LabelTag {
    id: string
    label: string
    color: string
  }
  
  export interface Mail {
    id: string
    folder: FolderId
    from: { name: string; email: string; initials: string }
    to: string
    subject: string
    preview: string
    body: string
    receivedAt: Date
    read: boolean
    starred: boolean
    hasAttachment: boolean
    labels: string[]
  }
  
  const folders: Folder[] = [
    { id: 'inbox', label: 'Inbox', icon: InboxIcon },
    { id: 'starred', label: 'Starred', icon: Star },
    { id: 'sent', label: 'Sent', icon: Send },
    { id: 'drafts', label: 'Drafts', icon: FileText },
    { id: 'spam', label: 'Spam', icon: AlertOctagon },
    { id: 'trash', label: 'Trash', icon: Trash2 },
  ]
  
  const labels: LabelTag[] = [
    { id: 'work', label: 'Work', color: 'bg-primary' },
    { id: 'personal', label: 'Personal', color: 'bg-success' },
    { id: 'finance', label: 'Finance', color: 'bg-info' },
    { id: 'travel', label: 'Travel', color: 'bg-warning' },
  ]
  
  const now = new Date()
  const todayStart = new Date(now.getFullYear(), now.getMonth(), now.getDate())
  const yesterday = new Date(now.getTime() - 24 * 60 * 60 * 1000)
  
  const defaultMails: Mail[] = [
    {
      id: 'e1',
      folder: 'inbox',
      from: { name: 'Sarah Connor', email: 'sarah@acme.com', initials: 'SC' },
      to: 'you@acme.com',
      subject: 'Q2 OKR draft — your sign-off needed',
      preview:
        'Pulled together the Q2 OKR draft from the leadership offsite. I have flagged the two areas where we need…',
      body: `Hi,\n\nPulled together the Q2 OKR draft from the leadership offsite. I have flagged the two areas where we need your call before we lock it:\n\n• Hiring plan: 4 vs 6 ENG roles (page 3)\n• EU rollout timing: April vs June (page 7)\n\nGoing to share with the rest of the leadership team Wednesday EOD, so anything from you by Tuesday is great.\n\nThanks,\nSarah`,
      receivedAt: new Date(now.getTime() - 18 * 60 * 1000),
      read: false,
      starred: true,
      hasAttachment: true,
      labels: ['work'],
    },
    {
      id: 'e2',
      folder: 'inbox',
      from: { name: 'Marcus Rivera', email: 'marcus@acme.com', initials: 'MR' },
      to: 'you@acme.com',
      subject: 'Re: Dashboard review tomorrow',
      preview:
        'Yes! Pushing to 10:30 so we can join from the standup. I will own the slides and pull the latest kanban metrics.',
      body: `Yes! Pushing to 10:30 so we can join from the standup. I will own the slides and pull the latest kanban metrics.\n\nFew things I want to cover:\n  - Throughput delta vs last sprint\n  - The two stories we de-scoped\n  - Q2 capacity ask\n\nSee you tomorrow,\nMarcus`,
      receivedAt: new Date(now.getTime() - 95 * 60 * 1000),
      read: false,
      starred: false,
      hasAttachment: false,
      labels: ['work'],
    },
    {
      id: 'e3',
      folder: 'inbox',
      from: { name: 'Stripe', email: 'receipts@stripe.com', initials: 'St' },
      to: 'you@acme.com',
      subject: 'Your invoice from Acme Inc. — $1,290.00',
      preview: 'Thanks for using Stripe. Your invoice for the period Mar 1 – Mar 31 is attached. Total due: $1,290.00…',
      body: 'Thanks for using Stripe. Your invoice for the period Mar 1 – Mar 31 is attached. Total due: $1,290.00.',
      receivedAt: new Date(now.getTime() - 4 * 60 * 60 * 1000),
      read: true,
      starred: false,
      hasAttachment: true,
      labels: ['finance'],
    },
    {
      id: 'e4',
      folder: 'inbox',
      from: { name: 'Linear', email: 'no-reply@linear.app', initials: 'Li' },
      to: 'you@acme.com',
      subject: 'Weekly summary: 14 issues closed, 22 opened',
      preview:
        'Good news — the team closed 14 issues this week, up 3 from last week. Top contributors: Marcus, Priya, Devon.',
      body: 'Good news — the team closed 14 issues this week, up 3 from last week. Top contributors: Marcus, Priya, Devon.',
      receivedAt: new Date(now.getTime() - 9 * 60 * 60 * 1000),
      read: true,
      starred: false,
      hasAttachment: false,
      labels: ['work'],
    },
    {
      id: 'e5',
      folder: 'inbox',
      from: { name: 'Priya Shah', email: 'priya@acme.com', initials: 'PS' },
      to: 'you@acme.com',
      subject: 'Color tokens are live in staging',
      preview:
        'Pushed the new OKLCH token set to staging. All chart colors, success/warning/info, sidebar variants. Take a look…',
      body: 'Pushed the new OKLCH token set to staging. All chart colors, success/warning/info, sidebar variants. Take a look when you have a sec.',
      receivedAt: yesterday,
      read: true,
      starred: true,
      hasAttachment: false,
      labels: ['work'],
    },
    {
      id: 'e6',
      folder: 'inbox',
      from: { name: 'United Airlines', email: 'reservations@united.com', initials: 'UA' },
      to: 'you@acme.com',
      subject: 'Your itinerary: SFO → LHR, departing Apr 12',
      preview: 'Your reservation is confirmed. Check-in opens 24h before departure. Booking reference: 7HQ4P2.',
      body: 'Your reservation is confirmed. Check-in opens 24h before departure. Booking reference: 7HQ4P2.',
      receivedAt: new Date(now.getTime() - 38 * 60 * 60 * 1000),
      read: true,
      starred: false,
      hasAttachment: true,
      labels: ['travel'],
    },
    {
      id: 'e7',
      folder: 'inbox',
      from: { name: 'Mom', email: 'mom@family.net', initials: 'M' },
      to: 'you@acme.com',
      subject: 'Sunday lunch?',
      preview: 'Are you free for lunch this Sunday? Dad is making his lasagne. Let me know!',
      body: 'Are you free for lunch this Sunday? Dad is making his lasagne. Let me know!',
      receivedAt: new Date(now.getTime() - 55 * 60 * 60 * 1000),
      read: true,
      starred: false,
      hasAttachment: false,
      labels: ['personal'],
    },
  ]
  
  function byNewest(a: Mail, b: Mail): number {
    return b.receivedAt.getTime() - a.receivedAt.getTime()
  }
  
  function formatMailTime(d: Date): string {
    if (d >= todayStart) return d.toLocaleTimeString([], { hour: 'numeric', minute: '2-digit' })
    if (d.toDateString() === yesterday.toDateString()) return 'Yesterday'
    const diffDays = Math.floor((now.getTime() - d.getTime()) / (24 * 60 * 60 * 1000))
    if (diffDays < 7) return d.toLocaleDateString(undefined, { weekday: 'short' })
    return d.toLocaleDateString(undefined, { month: 'short', day: 'numeric' })
  }
  
  function formatFullTime(d: Date): string {
    return d.toLocaleString(undefined, {
      weekday: 'short',
      month: 'short',
      day: 'numeric',
      hour: 'numeric',
      minute: '2-digit',
    })
  }
  
  function labelMeta(id: string): LabelTag | undefined {
    return labels.find((l) => l.id === id)
  }
  
  const replyTabBase = 'inline-flex h-7 items-center gap-1.5 rounded-md px-2 text-xs font-medium transition-colors'
  const replyTabActive = 'bg-background text-foreground border-input/60 border shadow-sm'
  const replyTabIdle = 'text-muted-foreground hover:bg-background/60 hover:text-foreground'
  const railRow =
    'flex w-full items-center justify-between gap-2 rounded-md px-2 py-1.5 text-left text-sm transition-colors'
  const railActive = 'bg-primary/10 text-primary font-medium'
  const railIdle = 'hover:bg-muted/60 text-foreground/80'
  
  /**
   * Inbox -- the React block, 1:1. Left rail: Compose, folders with unread counts and colour-coded
   * labels with totals. Middle: searchable message list. Right: reader pane with a reply composer
   * (Cmd/Ctrl+Enter sends). State is local; `messages` seeds it, like React's `useState(messages)`.
   */
  @Component({
    changeDetection: ChangeDetectionStrategy.Eager,
    selector: 'ui-inbox, [ui-inbox]',
    standalone: true,
    imports: [LucideAngularModule, UiAvatarComponent, UiAvatarFallbackComponent, UiButtonComponent, UiInputComponent],
    template: `
      <div
        data-slot="inbox"
        class="bg-card text-card-foreground grid h-[680px] w-full grid-cols-[220px_340px_1fr] overflow-hidden rounded-xl border shadow-sm"
      >
        <aside class="bg-muted/30 flex min-w-0 flex-col border-r">
          <div class="flex h-14 shrink-0 items-center border-b px-3">
            <button ui-button class="h-9 w-full justify-start gap-2 rounded-lg" size="sm">
              <lucide-icon [img]="Pencil" class="size-4" />
              Compose
            </button>
          </div>
          <nav class="flex-1 space-y-1 overflow-y-auto px-3 pt-3 pb-3">
            <p class="text-muted-foreground px-2 pb-1 text-xs font-semibold tracking-widest uppercase">Folders</p>
            @for (f of folders; track f.id) {
              <button [class]="folderClass(f.id)" (click)="selectFolder(f.id)">
                <span class="flex min-w-0 items-center gap-2">
                  <lucide-icon [img]="f.icon" class="size-4 shrink-0" />
                  <span class="truncate">{{ f.label }}</span>
                </span>
                @if (unreadCount(f.id) > 0) {
                  <span class="text-muted-foreground shrink-0 text-xs tabular-nums">{{ unreadCount(f.id) }}</span>
                }
              </button>
            }
  
            <p class="text-muted-foreground mt-4 px-2 pb-1 text-xs font-semibold tracking-widest uppercase">Labels</p>
            @for (l of labels; track l.id) {
              <button [class]="labelClass(l.id)" (click)="selectLabel(l.id)">
                <span class="flex min-w-0 items-center gap-2">
                  <span [class]="labelDotClass(l.color)"></span>
                  <span class="truncate">{{ l.label }}</span>
                </span>
                <span class="text-muted-foreground shrink-0 text-xs tabular-nums">{{ labelCount(l.id) }}</span>
              </button>
            }
          </nav>
        </aside>
  
        <section class="bg-background flex min-w-0 flex-col border-r">
          <div class="flex h-14 shrink-0 items-center gap-2 border-b px-3">
            <div class="relative flex-1">
              <!-- [class], not class: lucide-angular copies a static class onto its host too, which would offset the svg twice. -->
              <lucide-icon
                [img]="Search"
                [class]="'text-muted-foreground absolute top-1/2 left-2.5 size-3.5 -translate-y-1/2'"
              />
              <ui-input
                [value]="search()"
                (valueChange)="search.set($event)"
                placeholder="Search mail"
                class="h-8 rounded-lg pl-8 text-xs"
              />
            </div>
            <button ui-button variant="ghost" size="icon" class="size-8" aria-label="Filter">
              <lucide-icon [img]="Tag" class="size-4" />
            </button>
          </div>
          <div class="flex items-center justify-between px-4 pt-3 pb-2">
            <h2 class="text-sm font-semibold tracking-tight capitalize">{{ listTitle() }}</h2>
            <span class="text-muted-foreground text-xs tabular-nums">
              {{ visibleMails().length }} message{{ visibleMails().length === 1 ? '' : 's' }}
            </span>
          </div>
          <div class="list-scroll flex-1 overflow-y-auto pb-3">
            @for (m of visibleMails(); track m.id) {
              <button aria-label="Attach file" [class]="rowClass(m.id)" (click)="selectMail(m.id)">
                @if (m.id === activeId()) {
                  <span class="bg-primary absolute top-2 bottom-2 left-0 w-[3px] rounded-r-full"></span>
                }
                <div class="flex items-start gap-3">
                  <ui-avatar class="mt-0.5 size-8 shrink-0">
                    <ui-avatar-fallback class="text-xs">{{ m.from.initials }}</ui-avatar-fallback>
                  </ui-avatar>
                  <div class="min-w-0 flex-1">
                    <div class="flex items-center justify-between gap-2">
                      <p [class]="senderClass(m.read)">{{ m.from.name }}</p>
                      <span class="text-muted-foreground shrink-0 text-xs tabular-nums">
                        {{ mailTime(m.receivedAt) }}
                      </span>
                    </div>
                    <p [class]="subjectClass(m.read)">{{ m.subject }}</p>
                    <p class="text-muted-foreground mt-0.5 line-clamp-2 text-xs leading-relaxed">{{ m.preview }}</p>
                    <div class="mt-1.5 flex items-center gap-1.5">
                      @for (lid of m.labels; track $index) {
                        <span
                          class="text-muted-foreground bg-muted inline-flex items-center gap-1 rounded-full px-1.5 py-0.5 text-xs"
                        >
                          <span [class]="chipDotClass(lid)"></span>
                          {{ labelName(lid) }}
                        </span>
                      }
                      @if (m.hasAttachment) {
                        <lucide-icon [img]="Paperclip" class="text-muted-foreground size-3" />
                      }
                      @if (!m.read) {
                        <span class="bg-primary ml-auto size-1.5 shrink-0 rounded-full"></span>
                      }
                    </div>
                  </div>
                  <span
                    role="button"
                    tabindex="0"
                    class="text-muted-foreground hover:text-warning inline-flex shrink-0 cursor-pointer items-center justify-center transition-colors"
                    [attr.title]="m.starred ? 'Unstar' : 'Star'"
                    (click)="toggleStar(m.id, $event)"
                    (keydown)="onStarKey(m.id, $event)"
                  >
                    <lucide-icon [img]="Star" [class]="starClass(m.starred, 'size-3.5')" />
                  </span>
                </div>
              </button>
            }
  
            @if (visibleMails().length === 0) {
              <div class="flex flex-col items-center justify-center px-6 py-16 text-center">
                <div class="bg-muted mb-3 rounded-full p-3">
                  <lucide-icon [img]="InboxIcon" class="text-muted-foreground size-5" />
                </div>
                <p class="text-sm font-medium">Nothing here</p>
                <p class="text-muted-foreground mt-0.5 text-xs">No messages match the current filter.</p>
              </div>
            }
          </div>
        </section>
  
        <section class="bg-background flex min-w-0 flex-col">
          @if (activeMail(); as mail) {
            <div class="flex h-14 shrink-0 items-center justify-between gap-2 border-b px-4">
              <div class="flex items-center gap-1">
                <button ui-button variant="ghost" size="icon" class="size-8" aria-label="Back">
                  <lucide-icon [img]="ArrowLeft" class="size-4" />
                </button>
                <button
                  ui-button
                  variant="ghost"
                  size="icon"
                  class="size-8"
                  aria-label="Archive"
                  (click)="archive(mail.id)"
                >
                  <lucide-icon [img]="Archive" class="size-4" />
                </button>
                <button ui-button variant="ghost" size="icon" class="size-8" aria-label="Delete">
                  <lucide-icon [img]="Trash2" class="size-4" />
                </button>
                <button ui-button variant="ghost" size="icon" class="size-8" aria-label="Save">
                  <lucide-icon [img]="Bookmark" class="size-4" />
                </button>
              </div>
              <div class="flex items-center gap-1">
                <button ui-button variant="ghost" size="icon" class="size-8" aria-label="Reply">
                  <lucide-icon [img]="Reply" class="size-4" />
                </button>
                <button ui-button variant="ghost" size="icon" class="size-8" aria-label="Reply all">
                  <lucide-icon [img]="ReplyAll" class="size-4" />
                </button>
                <button ui-button variant="ghost" size="icon" class="size-8" aria-label="Forward">
                  <lucide-icon [img]="Forward" class="size-4" />
                </button>
                <button ui-button variant="ghost" size="icon" class="size-8" aria-label="More options">
                  <lucide-icon [img]="MoreVertical" class="size-4" />
                </button>
              </div>
            </div>
  
            <div class="reader-scroll flex-1 overflow-y-auto">
              <div class="px-6 pt-5 pb-3">
                <h1 class="text-foreground text-xl leading-tight font-semibold tracking-tight">{{ mail.subject }}</h1>
                <div class="mt-2 flex flex-wrap items-center gap-2">
                  @for (lid of mail.labels; track $index) {
                    <span
                      class="text-foreground/70 bg-muted inline-flex items-center gap-1 rounded-full px-2 py-0.5 text-xs"
                    >
                      <span [class]="chipDotClass(lid)"></span>
                      {{ labelName(lid) }}
                    </span>
                  }
                </div>
              </div>
  
              <div class="flex items-start gap-3 px-6 pb-4">
                <ui-avatar class="size-10">
                  <ui-avatar-fallback>{{ mail.from.initials }}</ui-avatar-fallback>
                </ui-avatar>
                <div class="min-w-0 flex-1">
                  <div class="flex flex-wrap items-baseline gap-x-2">
                    <p class="text-sm font-semibold">{{ mail.from.name }}</p>
                    <p class="text-muted-foreground text-xs">&lt;{{ mail.from.email }}&gt;</p>
                  </div>
                  <p class="text-muted-foreground text-xs">to {{ mail.to }}</p>
                </div>
                <div class="text-muted-foreground flex shrink-0 items-center gap-2 text-xs">
                  <span>{{ fullTime(mail.receivedAt) }}</span>
                  <button
                    class="hover:text-warning transition-colors"
                    [attr.title]="mail.starred ? 'Unstar' : 'Star'"
                    (click)="toggleStar(mail.id)"
                  >
                    <lucide-icon [img]="Star" [class]="starClass(mail.starred, 'size-4')" />
                  </button>
                </div>
              </div>
  
              <article class="text-foreground/90 px-6 pb-6 text-sm leading-relaxed whitespace-pre-wrap">
                {{ mail.body }}
              </article>
  
              @if (mail.hasAttachment) {
                <div class="px-6 pb-6">
                  <div class="bg-muted/40 flex items-center gap-3 rounded-lg border px-3 py-2.5">
                    <div class="bg-info/10 text-info flex size-8 items-center justify-center rounded-md">
                      <lucide-icon [img]="FileText" class="size-4" />
                    </div>
                    <div class="min-w-0 flex-1">
                      <p class="truncate text-xs font-medium">attachment.pdf</p>
                      <p class="text-muted-foreground text-xs">142 KB · PDF</p>
                    </div>
                    <button ui-button aria-label="Download attachment" variant="ghost" size="sm" class="h-7 text-xs">
                      Download
                    </button>
                  </div>
                </div>
              }
            </div>
  
            <div class="bg-muted/20 border-t px-4 pt-3 pb-3">
              <div class="mb-2 flex items-center gap-1">
                <button [class]="replyTabClass('reply')" (click)="changeReplyMode('reply')">
                  <lucide-icon [img]="Reply" class="size-3.5" />
                  Reply
                </button>
                <button [class]="replyTabClass('reply-all')" (click)="changeReplyMode('reply-all')">
                  <lucide-icon [img]="ReplyAll" class="size-3.5" />
                  Reply all
                </button>
                <button [class]="replyTabClass('forward')" (click)="changeReplyMode('forward')">
                  <lucide-icon [img]="Forward" class="size-3.5" />
                  Forward
                </button>
              </div>
              <div
                class="bg-background border-input/60 focus-within:border-primary/40 focus-within:ring-primary/10 group flex flex-col overflow-hidden rounded-2xl border shadow-sm transition-colors duration-150 focus-within:shadow-md focus-within:ring-4"
              >
                @if (replyRecipient()) {
                  <p class="border-input/40 text-muted-foreground border-b px-4 pt-2.5 pb-2 text-xs">
                    <span class="text-foreground/70 font-medium">To:</span> {{ replyRecipient() }}
                  </p>
                }
                <textarea
                  [value]="replyDraft()"
                  (input)="onDraftInput($event)"
                  [attr.placeholder]="replyPlaceholder()"
                  rows="1"
                  class="placeholder:text-muted-foreground/70 max-h-40 min-h-[44px] resize-none border-0 bg-transparent px-4 pt-3 pb-1 text-sm leading-relaxed shadow-none outline-none focus-visible:ring-0"
                  (keydown)="onReplyKey($event)"
                ></textarea>
                <div class="flex items-center justify-between gap-2 px-2 pb-2">
                  <div class="flex items-center gap-0.5">
                    <button
                      ui-button
                      variant="ghost"
                      size="icon"
                      class="text-muted-foreground hover:text-foreground size-8"
                      aria-label="Attach file"
                    >
                      <lucide-icon [img]="Paperclip" class="size-4" />
                    </button>
                    <button
                      ui-button
                      variant="ghost"
                      size="icon"
                      class="text-muted-foreground hover:text-foreground size-8"
                      aria-label="Emoji"
                    >
                      <lucide-icon [img]="Smile" class="size-4" />
                    </button>
                    <button
                      ui-button
                      variant="ghost"
                      size="icon"
                      class="text-muted-foreground hover:text-foreground size-8"
                      aria-label="Mention"
                    >
                      <lucide-icon [img]="AtSign" class="size-4" />
                    </button>
                  </div>
                  <div class="flex items-center gap-2">
                    <kbd
                      class="bg-muted text-muted-foreground hidden h-5 items-center gap-0.5 rounded border px-1.5 font-mono text-xs sm:inline-flex"
                      ><span>⌘</span><span>↵</span></kbd
                    >
                    <button
                      ui-button
                      class="h-8 gap-1.5 rounded-lg px-3 text-xs font-medium"
                      [disabled]="sendDisabled()"
                      aria-label="Send"
                      (click)="sendReply()"
                    >
                      Send
                      <lucide-icon [img]="ArrowRight" class="size-3.5" />
                    </button>
                  </div>
                </div>
              </div>
              @if (justSent()) {
                <p class="text-success mt-2 text-center text-xs font-medium">Reply sent</p>
              }
            </div>
          } @else {
            <div class="flex flex-1 items-center justify-center">
              <div class="text-center">
                <div class="bg-muted mx-auto mb-3 size-12 rounded-full p-3">
                  <lucide-icon [img]="InboxIcon" class="text-muted-foreground size-6" />
                </div>
                <p class="text-sm font-medium">No message selected</p>
                <p class="text-muted-foreground mt-1 text-xs">Pick a message from the list to read it here.</p>
              </div>
            </div>
          }
        </section>
      </div>
    `,
  })
  export class UiInboxComponent {
    /** Seed list (React `messages`, default: the stubbed sample mails). */
    @Input() set messages(value: Mail[] | null | undefined) {
      this.mails.set(value ?? defaultMails)
    }
  
    protected readonly Pencil = Pencil
    protected readonly Search = Search
    protected readonly Tag = Tag
    protected readonly Paperclip = Paperclip
    protected readonly Star = Star
    protected readonly InboxIcon = InboxIcon
    protected readonly ArrowLeft = ArrowLeft
    protected readonly Archive = Archive
    protected readonly Trash2 = Trash2
    protected readonly Bookmark = Bookmark
    protected readonly Reply = Reply
    protected readonly ReplyAll = ReplyAll
    protected readonly Forward = Forward
    protected readonly MoreVertical = MoreVertical
    protected readonly FileText = FileText
    protected readonly Smile = Smile
    protected readonly AtSign = AtSign
    protected readonly ArrowRight = ArrowRight
  
    protected readonly folders = folders
    protected readonly labels = labels
  
    readonly mails = signal<Mail[]>(defaultMails)
    readonly activeFolder = signal<FolderId>('inbox')
    readonly activeLabel = signal<string | null>(null)
    readonly activeId = signal<string>('e1')
    readonly search = signal('')
    readonly replyMode = signal<ReplyMode>('reply')
    readonly replyDraft = signal('')
    readonly justSent = signal(false)
  
    private readonly labelCounts = computed(() =>
      labels.reduce<Record<string, number>>((acc, l) => {
        acc[l.id] = this.mails().filter((m) => m.labels.includes(l.id)).length
        return acc
      }, {}),
    )
  
    readonly visibleMails = computed(() => {
      const q = this.search().trim().toLowerCase()
      let list = this.inView(this.mails())
      if (q) {
        list = list.filter(
          (m) =>
            m.subject.toLowerCase().includes(q) ||
            m.from.name.toLowerCase().includes(q) ||
            m.preview.toLowerCase().includes(q),
        )
      }
      return [...list].sort(byNewest)
    })
  
    readonly activeMail = computed(() => this.mails().find((m) => m.id === this.activeId()) ?? null)
  
    readonly replyRecipient = computed(() => {
      const m = this.activeMail()
      if (!m) return ''
      if (this.replyMode() === 'forward') return ''
      return m.from.name + ' <' + m.from.email + '>'
    })
  
    readonly replyPlaceholder = computed(() =>
      this.replyMode() === 'forward' ? 'Add a note before forwarding' : 'Write a reply',
    )
  
    readonly sendDisabled = computed(() => !this.replyDraft().trim())
  
    /** Mails in the current folder / label, ignoring the search (React's archive + select logic). */
    private inView(list: Mail[]): Mail[] {
      const label = this.activeLabel()
      const folder = this.activeFolder()
      return list.filter((m) => {
        if (label) return m.labels.includes(label)
        if (folder === 'starred') return m.starred && m.folder !== 'trash'
        return m.folder === folder
      })
    }
  
    /** React's `useEffect(..., [activeId])`: a new message resets the composer. */
    private setActive(id: string): void {
      if (id === this.activeId()) return
      this.activeId.set(id)
      this.replyDraft.set('')
      this.replyMode.set('reply')
      this.justSent.set(false)
    }
  
    unreadCount(id: FolderId): number {
      const mails = this.mails()
      if (id === 'starred') return mails.filter((m) => m.starred && !m.read && m.folder !== 'trash').length
      return mails.filter((m) => m.folder === id && !m.read).length
    }
  
    labelCount(id: string): number {
      return this.labelCounts()[id] ?? 0
    }
  
    labelName(id: string): string | undefined {
      return labelMeta(id)?.label
    }
  
    listTitle(): string | undefined {
      const label = this.activeLabel()
      return label ? labelMeta(label)?.label : this.activeFolder()
    }
  
    mailTime(d: Date): string {
      return formatMailTime(d)
    }
  
    fullTime(d: Date): string {
      return formatFullTime(d)
    }
  
    selectMail(id: string): void {
      this.setActive(id)
      this.mails.update((prev) => prev.map((m) => (m.id === id ? { ...m, read: true } : m)))
    }
  
    selectFolder(id: FolderId): void {
      this.activeFolder.set(id)
      this.activeLabel.set(null)
      const first = this.mails()
        .filter((m) => (id === 'starred' ? m.starred && m.folder !== 'trash' : m.folder === id))
        .sort(byNewest)[0]
      if (first) this.setActive(first.id)
    }
  
    selectLabel(id: string): void {
      this.activeLabel.set(id)
      const first = this.mails()
        .filter((m) => m.labels.includes(id))
        .sort(byNewest)[0]
      if (first) this.setActive(first.id)
    }
  
    toggleStar(id: string, e?: Event): void {
      e?.stopPropagation()
      this.mails.update((prev) => prev.map((m) => (m.id === id ? { ...m, starred: !m.starred } : m)))
    }
  
    onStarKey(id: string, e: KeyboardEvent): void {
      if (e.key === 'Enter' || e.key === ' ') {
        e.preventDefault()
        this.toggleStar(id, e)
      }
    }
  
    archive(id: string): void {
      const next = this.mails().filter((m) => m.id !== id)
      this.mails.set(next)
      const nextActive = [...this.inView(next)].sort(byNewest)[0]
      if (nextActive) this.setActive(nextActive.id)
    }
  
    changeReplyMode(mode: ReplyMode): void {
      this.replyMode.set(mode)
      this.justSent.set(false)
    }
  
    onDraftInput(e: Event): void {
      this.replyDraft.set((e.target as HTMLTextAreaElement).value)
    }
  
    sendReply(): void {
      const body = this.replyDraft().trim()
      if (!body) return
      this.replyDraft.set('')
      this.justSent.set(true)
      window.setTimeout(() => {
        this.justSent.set(false)
      }, 1800)
    }
  
    onReplyKey(e: KeyboardEvent): void {
      if (e.key === 'Enter' && (e.metaKey || e.ctrlKey)) {
        e.preventDefault()
        this.sendReply()
      }
    }
  
    folderClass(id: FolderId): string {
      return cn(railRow, this.activeFolder() === id && !this.activeLabel() ? railActive : railIdle)
    }
  
    labelClass(id: string): string {
      return cn(railRow, this.activeLabel() === id ? railActive : railIdle)
    }
  
    labelDotClass(color: string): string {
      return cn('size-2.5 shrink-0 rounded-full', color)
    }
  
    chipDotClass(id: string): string {
      return cn('size-1.5 rounded-full', labelMeta(id)?.color)
    }
  
    rowClass(id: string): string {
      return cn(
        'group relative w-full px-4 py-3 text-left transition-colors',
        id === this.activeId() ? 'bg-primary/5' : 'hover:bg-muted/60',
      )
    }
  
    senderClass(read: boolean): string {
      return cn('truncate text-sm', read ? 'font-medium' : 'font-semibold')
    }
  
    subjectClass(read: boolean): string {
      return cn('mt-0.5 truncate text-xs', read ? 'text-foreground/80' : 'font-semibold')
    }
  
    starClass(starred: boolean, size: string): string {
      return cn(size, starred ? 'fill-warning text-warning' : '')
    }
  
    replyTabClass(mode: ReplyMode): string {
      return cn(replyTabBase, this.replyMode() === mode ? replyTabActive : replyTabIdle)
    }
  }
  

• src/app/components/blocks/inbox/index.ts0.1 kB

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Raw manifest:https://uipkge.dev/r/angular/inbox.json