Move goal aggregation, the article form, space search ranking and detail-page loading fallbacks out of routes

.agents/skills/flotilla-architecture/SKILL.md

@@ -331,7 +331,8 @@ with `makeFeed` and filters them with the `classifieds.ts` helpers. `[address]/+
 one listing with `$events.one(address, [url]).$`.
 
 Articles are composed on a full page (`spaces/[relay]/articles/create`, built by
-`makeArticleCreatePath`) instead of in a modal.
+`makeArticleCreatePath`) instead of in a modal. The page reads `?h=` and `?shareToChat` and
+renders `ArticleForm`.
 
 ## Related skills
 

.agents/skills/flotilla-state/SKILL.md

@@ -121,6 +121,7 @@ they cache is itself a rebinding store. `commandsByUrl` holds `fromApp` stores.
 | `SpaceManagement` (`management.ts`) | none | NIP-86 supported methods (5-minute TTL), admins and bans per URL |
 | `Chats` (`chats.ts`) | none | DM conversations by chat id (`index`, `one`), and a fuzzy `search` |
 | `LatestEvents` (`repository.ts`) | none | the most recent event held from an author (`forPubkey`) |
+| `GoalProgresses` (`goals.ts`) | none | one memoized NIP-75 progress store per goal and relay, behind `deriveGoalProgress` |
 | `Hosting` (`hosting.ts`) | none | the hosting backend's plans, the tenant's relays and billing, shared by every hosting view |
 
 Each is exposed with `usePlugin`. `Statuses` is the minimal shape:

.agents/skills/flotilla-views/SKILL.md

@@ -229,8 +229,8 @@ lives there:
   `ModalSubtitle`, `ModalFooter`, `Confirm`
 - controls: `Button`, `Link`, `Field`, `FieldInline`, `Input`, `InputList`, `ToggleInput`,
   `DateTimeInput`, `ImagesInput`, `IconInput`, `EmojiPicker`, `MenuButton`, `SegmentedButtons`
-- display and lists: `Icon`, `Badge`, `Card`, `Divider`, `Spinner`, `Tooltip`, `Tippy`, `Cv`,
-  `VirtualList`, `Masonry`, `DragList`, `ScrollToTop`
+- display and lists: `Icon`, `Badge`, `Card`, `Divider`, `Spinner`, `LoadingFallback`, `Tooltip`,
+  `Tippy`, `Cv`, `VirtualList`, `Masonry`, `DragList`, `ScrollToTop`
 - the CSS component families (`button.css`, `card.css`, …) and the theme tokens
 
 Anything that takes an identifier and reads a store, publishes, or knows a kind is an app
@@ -324,14 +324,13 @@ data every page needs lives in `src/app/sync.ts`.
 lists before loading the author's outbox with `$network.loadLenient`.
 
 **A detail page:** `$events.one(address, [url]).$` loads when nothing local matches. While it is
-empty, seven pages show a spinner that turns into a failure message:
+empty, seven pages show `LoadingFallback`, a spinner that turns into a failure message after
+five seconds:
 
 ```svelte
-{#await sleep(5000)}
-  <Spinner loading>Loading listing...</Spinner>
-{:then}
-  <p>Failed to load classified listing.</p>
-{/await}
+<LoadingFallback
+  loadingMessage="Loading listing..."
+  failureMessage="Failed to load classified listing." />
 ```
 
 **Related events:** request them, abort on teardown, and read them back from the repository with
@@ -444,7 +443,9 @@ Create/edit pairs come in three shapes:
 - **The form owns the mutation and a draft.** `ClassifiedForm` persists fields with `DraftKey`
   and republishes the same `d` on edit. `ClassifiedCreate` passes a header, and `ClassifiedEdit`
   turns a reader into `initialValues`. Its `Values` type stays local, so `ClassifiedEdit`
-  restates the shape; export it instead.
+  restates the shape; export it instead, as `ArticleForm` does. `ArticleForm` is the same shape
+  on a full page: it renders the `SpaceBar` with its Publish button, takes the title as `header`,
+  and lands on the published article.
 
 Rich text uses `makeEditor` from `src/app/editor` with `EditorContent`.
 

src/app/components/ArticleForm.svelte

@@ -0,0 +1,270 @@
+<script lang="ts" module>
+  export type Values = {
+    d: string
+    title: string
+    summary: string
+    image: string
+    topics: string[]
+    content: string | object
+  }
+</script>
+
+<script lang="ts">
+  import {onMount} from "svelte"
+  import type {Snippet} from "svelte"
+  import {writable} from "svelte/store"
+  import {goto} from "$app/navigation"
+  import {now, randomId} from "@welshman/lib"
+  import {getAddress} from "@welshman/util"
+  import {Article} from "@welshman/domain"
+  import {isMobile} from "@lib/html"
+  import Paperclip from "@assets/icons/paperclip-2.svg?dataurl"
+  import DocumentText from "@assets/icons/document-text.svg?dataurl"
+  import GallerySend from "@assets/icons/gallery-send.svg?dataurl"
+  import CloseCircle from "@assets/icons/close-circle.svg?dataurl"
+  import Icon from "@lib/components/Icon.svelte"
+  import Field from "@lib/components/Field.svelte"
+  import Button from "@lib/components/Button.svelte"
+  import Spinner from "@lib/components/Spinner.svelte"
+  import PageContent from "@lib/components/PageContent.svelte"
+  import SpaceBar from "@app/components/SpaceBar.svelte"
+  import TopicMultiSelect from "@app/components/TopicMultiSelect.svelte"
+  import EditorContent from "@app/editor/EditorContent.svelte"
+  import {writer} from "@app/core"
+  import {DraftKey} from "@app/drafts"
+  import {makeEditor} from "@app/editor"
+  import {publishToSpace} from "@app/rooms"
+  import {makeArticlePath} from "@app/routes"
+  import {compressFileForUpload, uploadFile} from "@app/uploads"
+  import {pushToast} from "@app/toast"
+
+  type Props = {
+    url: string
+    h?: string
+    shareToChat?: boolean
+    header: Snippet
+  }
+
+  const {url, h, shareToChat = false, header}: Props = $props()
+
+  const draftKey = new DraftKey<Values>(`article:${url}:${h ?? ""}`)
+  const initialValues = draftKey.get()
+
+  const coverInputId = randomId()
+
+  const uploading = writable(false)
+
+  const back = () => goto(makeArticlePath(url))
+
+  const selectFiles = () => editor.then(ed => ed.commands.selectFiles())
+
+  const clearCover = () => {
+    image = ""
+  }
+
+  const onCoverChange = async (event: Event & {currentTarget: HTMLInputElement}) => {
+    const input = event.currentTarget
+    const file = input.files?.[0]
+
+    // Clear the input so picking the same file again after removing the cover still fires
+    input.value = ""
+
+    if (file) {
+      uploadingCover = true
+
+      try {
+        const {result, error} = await uploadFile(await compressFileForUpload(file), {url})
+
+        if (result?.url) {
+          image = result.url
+        } else {
+          pushToast({theme: "error", message: error ?? "Failed to upload your cover image."})
+        }
+      } catch (e) {
+        // compressFileForUpload rejects outside uploadFile's own error handling
+        console.error("Error caught when uploading cover image:", e)
+        pushToast({theme: "error", message: "Failed to upload your cover image."})
+      } finally {
+        uploadingCover = false
+      }
+    }
+  }
+
+  const submit = async () => {
+    if ($uploading || uploadingCover || loading) {
+      return
+    }
+
+    if (!title) {
+      return pushToast({
+        theme: "error",
+        message: "Please provide a title for your article.",
+      })
+    }
+
+    const ed = await editor
+    const content = ed.getText({blockSeparator: "\n"}).trim()
+
+    if (!content) {
+      return pushToast({
+        theme: "error",
+        message: "Please write something for your article.",
+      })
+    }
+
+    loading = true
+
+    try {
+      const eventWriter = writer(Article)
+        .setIdentifier(d)
+        .setContent(content)
+        .setTitle(title)
+        .setTopics(topics)
+        .setPublishedAt(now())
+        .addTags(...ed.storage.nostr.getEditorTags())
+
+      if (summary) {
+        eventWriter.setSummary(summary)
+      }
+
+      if (image) {
+        eventWriter.setImage(image)
+      }
+
+      const {thunk, error} = await publishToSpace(eventWriter, {url, h, shareToChat})
+
+      if (error) {
+        return pushToast({theme: "error", message: error})
+      }
+
+      draftKey.clear()
+      goto(makeArticlePath(url, getAddress(thunk.options.event)))
+    } finally {
+      loading = false
+    }
+  }
+
+  let loading = $state(false)
+  let uploadingCover = $state(false)
+  let titleInput = $state<HTMLInputElement>()
+
+  // The autofocus attribute is ignored while the button that navigated here still holds focus
+  onMount(() => {
+    if (!isMobile) {
+      titleInput?.focus()
+    }
+  })
+
+  const d = $state(initialValues?.d ?? randomId())
+  let title = $state(initialValues?.title ?? "")
+  let summary = $state(initialValues?.summary ?? "")
+  let image = $state(initialValues?.image ?? "")
+  let topics = $state(initialValues?.topics ?? [])
+  let content = $state(initialValues?.content ?? "")
+
+  const onChange = (json: object) => {
+    content = json
+  }
+
+  const editor = makeEditor({
+    url,
+    submit,
+    uploading,
+    onChange,
+    placeholder: "Write your article...",
+    content,
+  })
+
+  $effect(() => {
+    draftKey.set({d, title, summary, image, topics, content})
+  })
+</script>
+
+<SpaceBar {back}>
+  {#snippet leading()}
+    <Icon icon={DocumentText} />
+  {/snippet}
+  {#snippet title()}
+    {@render header()}
+  {/snippet}
+  {#snippet action()}
+    <Button
+      class="button button-primary button-sm"
+      onclick={submit}
+      disabled={$uploading || uploadingCover || loading}>
+      <Spinner {loading}>Publish</Spinner>
+    </Button>
+  {/snippet}
+</SpaceBar>
+
+<!-- column flex: justify-center would put the top of a tall page out of scroll reach -->
+<PageContent class="items-center">
+  <div class="flex w-full max-w-3xl flex-col gap-6">
+    <input
+      id={coverInputId}
+      type="file"
+      accept="image/jpeg,image/png,image/webp,image/gif"
+      onchange={onCoverChange}
+      class="hidden" />
+    {#if image}
+      <div class="relative">
+        <img src={image} alt="Article cover" class="h-56 w-full rounded-2xl object-cover" />
+        <Button
+          data-tip="Remove cover image"
+          aria-label="Remove cover image"
+          class="tip tip-left button button-neutral button-sm button-circle absolute right-2 top-2"
+          onclick={clearCover}>
+          <Icon icon={CloseCircle} />
+        </Button>
+      </div>
+    {:else}
+      <label
+        for={coverInputId}
+        class="flex h-28 cursor-pointer items-center justify-center gap-2 rounded-2xl border border-dashed border-line text-content-muted transition-colors hover:text-content">
+        {#if uploadingCover}
+          <Spinner loading>Uploading cover image...</Spinner>
+        {:else}
+          <Icon icon={GallerySend} />
+          Add a cover image
+        {/if}
+      </label>
+    {/if}
+    <div class="flex flex-col gap-2">
+      <input
+        bind:this={titleInput}
+        bind:value={title}
+        class="bg-transparent text-3xl font-bold outline-none placeholder:text-content-muted"
+        type="text"
+        placeholder="Title" />
+      <input
+        bind:value={summary}
+        class="placeholder:text-content-muted bg-transparent text-lg outline-none"
+        type="text"
+        placeholder="Add a one line teaser for the article list" />
+    </div>
+    <div class="relative">
+      <div class="article-editor note-editor">
+        <EditorContent {editor} />
+      </div>
+      <Button
+        data-tip="Add an image"
+        class="tip tip-left absolute bottom-1 right-2"
+        onclick={selectFiles}
+        disabled={loading}>
+        {#if $uploading}
+          <Spinner size="xs" />
+        {:else}
+          <Icon icon={Paperclip} size={3} />
+        {/if}
+      </Button>
+    </div>
+    <Field>
+      {#snippet label()}
+        <p>Topics</p>
+      {/snippet}
+      {#snippet input()}
+        <TopicMultiSelect bind:value={topics} />
+      {/snippet}
+    </Field>
+  </div>
+</PageContent>

src/app/components/GoalItem.svelte

@@ -1,5 +1,4 @@
 <script lang="ts">
-  import type {Readable} from "svelte/store"
   import type {TrustedEvent} from "@welshman/util"
   import {ZapGoal} from "@welshman/domain"
   import Link from "@lib/components/Link.svelte"
@@ -9,7 +8,6 @@
   import ProfileLink from "@app/components/ProfileLink.svelte"
   import ContentActions from "@app/components/ContentActions.svelte"
   import type {FeedContext} from "@app/feeds"
-  import type {GoalProgress} from "@app/goals"
   import GoalSummary from "@app/components/GoalSummary.svelte"
   import RoomLink from "@app/components/RoomLink.svelte"
   import UnreadDot from "@app/components/UnreadDot.svelte"
@@ -19,10 +17,9 @@
     url: string
     event: TrustedEvent
     context: FeedContext
-    progress?: Readable<GoalProgress>
   }
 
-  const {url, event, context, progress}: Props = $props()
+  const {url, event, context}: Props = $props()
 
   const goal = reader(ZapGoal)(event)
 
@@ -49,7 +46,7 @@
         maxLength={180} />
     </div>
   {/if}
-  <GoalSummary {url} {event} {progress} />
+  <GoalSummary {url} {event} />
   <div class="flex w-full min-w-0 flex-wrap items-center justify-between gap-2">
     <span class="min-w-0 py-1 text-sm text-content-muted">
       by <ProfileLink pubkey={event.pubkey} {url} />

src/app/components/GoalSummary.svelte

@@ -1,6 +1,5 @@
 <script lang="ts">
   import cx from "classnames"
-  import type {Readable} from "svelte/store"
   import type {TrustedEvent} from "@welshman/util"
   import Bolt from "@assets/icons/bolt.svg?dataurl"
   import Icon from "@lib/components/Icon.svelte"
@@ -10,19 +9,16 @@
   import GoalStatus from "@app/components/GoalStatus.svelte"
   import {ENABLE_ZAPS} from "@app/env"
   import {deriveGoalProgress} from "@app/goals"
-  import type {GoalProgress} from "@app/goals"
 
   type Props = {
     url?: string
     event: TrustedEvent
-    progress?: Readable<GoalProgress>
     class?: string
   }
 
-  const {url, event, progress: providedProgress, ...props}: Props = $props()
+  const {url, event, ...props}: Props = $props()
 
-  // The list page already has a store per goal; reuse it instead of resubscribing.
-  const progress = providedProgress ?? deriveGoalProgress(event, url)
+  const progress = deriveGoalProgress(event, url)
 
   const backers = $derived($progress.backers.length)
 </script>

src/app/components/NoteDetail.svelte

@@ -1,14 +1,13 @@
 <script lang="ts">
   import {onDestroy} from "svelte"
   import {readable} from "svelte/store"
-  import {sleep} from "@welshman/lib"
   import type {TrustedEvent} from "@welshman/util"
   import Reply from "@assets/icons/reply-2.svg?dataurl"
   import Icon from "@lib/components/Icon.svelte"
   import Button from "@lib/components/Button.svelte"
   import Modal from "@lib/components/Modal.svelte"
   import ModalBody from "@lib/components/ModalBody.svelte"
-  import Spinner from "@lib/components/Spinner.svelte"
+  import LoadingFallback from "@lib/components/LoadingFallback.svelte"
   import CommentCompose from "@app/components/CommentCompose.svelte"
   import CommentTree from "@app/components/CommentTree.svelte"
   import NoteItem from "@app/components/NoteItem.svelte"
@@ -69,13 +68,7 @@
         {/if}
       </div>
     {:else}
-      <div class="flex justify-center py-20">
-        {#await sleep(5000)}
-          <Spinner loading>Loading note...</Spinner>
-        {:then}
-          <p>Failed to load note.</p>
-        {/await}
-      </div>
+      <LoadingFallback loadingMessage="Loading note..." failureMessage="Failed to load note." />
     {/if}
   </ModalBody>
 </Modal>

src/app/components/SpaceResult.svelte

@@ -0,0 +1,30 @@
+<script lang="ts">
+  import Button from "@lib/components/Button.svelte"
+  import RelaySummary from "@app/components/RelaySummary.svelte"
+  import SpaceInviteAccept from "@app/components/SpaceInviteAccept.svelte"
+  import SpaceJoin from "@app/components/SpaceJoin.svelte"
+  import {userSpaceUrls} from "@app/rooms"
+  import {pushModal} from "@app/modal"
+  import {goToSpace} from "@app/routes"
+
+  type Props = {
+    url: string
+    invite?: string
+  }
+
+  const {url, invite}: Props = $props()
+
+  const open = () => {
+    if ($userSpaceUrls.includes(url)) {
+      goToSpace(url)
+    } else if (invite) {
+      pushModal(SpaceInviteAccept, {invite})
+    } else {
+      pushModal(SpaceJoin, {url})
+    }
+  }
+</script>
+
+<Button class="card card-interactive" onclick={open}>
+  <RelaySummary {url} />
+</Button>

src/app/goals.ts

@@ -1,12 +1,13 @@
-import {derived} from "svelte/store"
+import {derived, readable} from "svelte/store"
 import type {Readable} from "svelte/store"
-import {now, removeUndefined} from "@welshman/lib"
+import {now, removeUndefined, sortBy} from "@welshman/lib"
 import {fromMsats} from "@welshman/util"
 import type {TrustedEvent} from "@welshman/util"
 import {ZapGoal} from "@welshman/domain"
 import type {Zap} from "@welshman/domain"
-import {ZapGoals} from "@welshman/app"
-import {app, reader} from "@app/core"
+import {Domain, ZapGoals} from "@welshman/app"
+import type {IApp} from "@welshman/app"
+import {app} from "@app/core"
 
 export type GoalProgress = {
   zaps: Zap[]
@@ -19,22 +20,118 @@ export type GoalProgress = {
   closedAt?: number
 }
 
-// Welshman tallies a goal in millisats, and comparing there avoids funding a rounded sat early.
-export const deriveGoalProgress = (event: TrustedEvent, url?: string): Readable<GoalProgress> => {
-  const closedAt = reader(ZapGoal)(event).closedAt()
-  const progress = app
-    .get()
-    .use(ZapGoals)
-    .progress(event, removeUndefined([url])).$
+export type GoalFilter = "all" | "live" | "funded" | "ended"
 
-  return derived(progress, $progress => ({
-    zaps: $progress.zaps,
-    raised: fromMsats($progress.amount),
-    target: fromMsats($progress.target),
-    percent: $progress.target > 0 ? Math.round(($progress.amount / $progress.target) * 100) : 0,
-    backers: $progress.contributors,
-    isFunded: $progress.target > 0 && $progress.amount >= $progress.target,
-    isEnded: Boolean(closedAt && closedAt < now()),
-    closedAt,
-  }))
+export type GoalSort = "active" | "new" | "progress" | "ending"
+
+export class GoalProgresses {
+  private progressByKey = new Map<string, Readable<GoalProgress>>()
+
+  constructor(private readonly app: IApp) {}
+
+  forGoal = (event: TrustedEvent, url?: string) => {
+    const key = `${event.id}:${url ?? ""}`
+    let progress = this.progressByKey.get(key)
+
+    if (!progress) {
+      progress = this.derive(event, url)
+      this.progressByKey.set(key, progress)
+    }
+
+    return progress
+  }
+
+  // Welshman tallies a goal in millisats, and comparing there avoids funding a rounded sat early.
+  private derive = (event: TrustedEvent, url?: string): Readable<GoalProgress> => {
+    const closedAt = this.app.use(Domain).reader(ZapGoal)(event).closedAt()
+    const progress = this.app.use(ZapGoals).progress(event, removeUndefined([url])).$
+
+    return derived(progress, $progress => ({
+      zaps: $progress.zaps,
+      raised: fromMsats($progress.amount),
+      target: fromMsats($progress.target),
+      percent: $progress.target > 0 ? Math.round(($progress.amount / $progress.target) * 100) : 0,
+      backers: $progress.contributors,
+      isFunded: $progress.target > 0 && $progress.amount >= $progress.target,
+      isEnded: Boolean(closedAt && closedAt < now()),
+      closedAt,
+    }))
+  }
+}
+
+export const deriveGoalProgress = (event: TrustedEvent, url?: string) =>
+  app.get().use(GoalProgresses).forGoal(event, url)
+
+// `derived` over no stores never fires, so an empty board needs a store of its own.
+export const deriveGoalProgressById = (goals: TrustedEvent[], url: string) =>
+  goals.length > 0
+    ? derived(
+        goals.map(event => deriveGoalProgress(event, url)),
+        progresses => new Map(progresses.map((progress, i) => [goals[i]!.id, progress])),
+      )
+    : readable(new Map<string, GoalProgress>())
+
+export const getGoalTotals = (progressById: Map<string, GoalProgress>) => {
+  const backers = new Set<string>()
+  let raised = 0
+  let funded = 0
+
+  for (const progress of progressById.values()) {
+    raised += progress.raised
+    funded += progress.isFunded ? 1 : 0
+
+    for (const backer of progress.backers) {
+      backers.add(backer)
+    }
+  }
+
+  return {raised, funded, backers: backers.size}
+}
+
+export const filterGoals = (
+  filter: GoalFilter,
+  goals: TrustedEvent[],
+  progressById: Map<string, GoalProgress>,
+) =>
+  goals.filter(event => {
+    const progress = progressById.get(event.id)
+
+    if (filter === "live") {
+      return Boolean(progress && !progress.isEnded && !progress.isFunded)
+    }
+
+    if (filter === "funded") {
+      return Boolean(progress?.isFunded)
+    }
+
+    if (filter === "ended") {
+      return Boolean(progress?.isEnded)
+    }
+
+    return true
+  })
+
+export const sortGoals = (
+  sort: GoalSort,
+  goals: TrustedEvent[],
+  progressById: Map<string, GoalProgress>,
+  activeAt: Map<string, number>,
+) => {
+  if (sort === "new") {
+    return sortBy(event => -event.created_at, goals)
+  }
+
+  if (sort === "progress") {
+    return sortBy(event => -(progressById.get(event.id)?.percent ?? 0), goals)
+  }
+
+  if (sort === "ending") {
+    return sortBy(event => {
+      const closedAt = progressById.get(event.id)?.closedAt
+
+      return closedAt && closedAt > now() ? closedAt : Infinity
+    }, goals)
+  }
+
+  return sortBy(event => -(activeAt.get(event.id) ?? event.created_at), goals)
 }

src/app/rooms.ts

@@ -1,6 +1,6 @@
 import * as nip19 from "nostr-tools/nip19"
 import {derived, get} from "svelte/store"
-import {formatTimestampAsDate, int, sortBy, uniq, MINUTE} from "@welshman/lib"
+import {addToMapKey, dec, formatTimestampAsDate, int, sortBy, uniq, MINUTE} from "@welshman/lib"
 import type {Maybe} from "@welshman/lib"
 import {
   ROOM_DELETE_EVENT,
@@ -15,7 +15,8 @@ import {
 } from "@welshman/util"
 import type {EventContent, TrustedEvent} from "@welshman/util"
 import {Comment, Message} from "@welshman/domain"
-import type {BaseEventReader, EventWriter} from "@welshman/domain"
+import type {BaseEventReader, EventWriter, Relay} from "@welshman/domain"
+import {throttled} from "@welshman/store"
 import {MembershipStatus, RoomLists, makeRoomKey, createSearch, publish} from "@welshman/app"
 import type {Room, RoomMeta} from "@welshman/app"
 import {
@@ -266,6 +267,45 @@ export const deriveUserRoomMembershipStatus = (url: string, h: string) =>
     ([$status, $isAdmin]) => ($isAdmin ? MembershipStatus.Granted : $status),
   )
 
+// How many people list each space both scopes and ranks the search.
+export const deriveSpaceSearch = () => {
+  const spacePubkeysByUrl = derived(roomLists.get().all.$, $roomLists => {
+    const result = new Map<string, Set<string>>()
+
+    for (const roomList of $roomLists) {
+      for (const url of roomList.urls()) {
+        addToMapKey(result, url, roomList.author())
+      }
+    }
+
+    return result
+  })
+
+  return derived(
+    [throttled(1000, relays.get().all.$), spacePubkeysByUrl],
+    ([$relays, $spacePubkeysByUrl]) =>
+      createSearch(
+        $relays.filter(r => $spacePubkeysByUrl.has(r.url)),
+        {
+          getValue: (relay: Relay) => relay.url,
+          sortFn: ({score, item}) => {
+            if (score && score > 0.1) {
+              return -score
+            }
+
+            const wotScore = $spacePubkeysByUrl.get(item.url)?.size || 0
+
+            return score ? dec(score) * wotScore : -wotScore
+          },
+          fuseOptions: {
+            keys: ["url", "name", {name: "description", weight: 0.3}],
+            shouldSort: false,
+          },
+        },
+      ),
+  )
+}
+
 export const deriveUserRoomSearch = () =>
   derived(
     [userSpaceUrls, userRoomList, rooms.get().byUrl.$],

src/lib/components/LoadingFallback.svelte

@@ -0,0 +1,21 @@
+<script lang="ts">
+  import cx from "classnames"
+  import {sleep} from "@welshman/lib"
+  import Spinner from "@lib/components/Spinner.svelte"
+
+  type Props = {
+    loadingMessage: string
+    failureMessage: string
+    class?: string
+  }
+
+  const {loadingMessage, failureMessage, ...props}: Props = $props()
+</script>
+
+<div class={cx("flex justify-center py-20", props.class)}>
+  {#await sleep(5000)}
+    <Spinner loading>{loadingMessage}</Spinner>
+  {:then}
+    <p>{failureMessage}</p>
+  {/await}
+</div>

src/routes/spaces/+page.svelte

@@ -1,11 +1,8 @@
 <script lang="ts">
   import {onMount} from "svelte"
-  import {derived as _derived} from "svelte/store"
-  import {addToMapKey, dec, sleep} from "@welshman/lib"
+  import {sleep} from "@welshman/lib"
   import {ROOMS} from "@welshman/util"
-  import type {Relay} from "@welshman/domain"
-  import {throttled} from "@welshman/store"
-  import {Sync, createSearch} from "@welshman/app"
+  import {Sync} from "@welshman/app"
   import {createScroller, isMobile} from "@lib/html"
   import {fly} from "@lib/transition"
   import Compass from "@assets/icons/compass.svg?dataurl"
@@ -19,75 +16,26 @@
   import Divider from "@lib/components/Divider.svelte"
   import Spinner from "@lib/components/Spinner.svelte"
   import ContentSearch from "@lib/components/ContentSearch.svelte"
-  import RelaySummary from "@app/components/RelaySummary.svelte"
   import SpaceAdd from "@app/components/SpaceAdd.svelte"
-  import SpaceInviteAccept from "@app/components/SpaceInviteAccept.svelte"
-  import SpaceJoin from "@app/components/SpaceJoin.svelte"
-  import {app, relays, roomLists, user} from "@app/core"
-  import {userSpaceUrls} from "@app/rooms"
+  import SpaceResult from "@app/components/SpaceResult.svelte"
+  import {app, roomLists, user} from "@app/core"
+  import {deriveSpaceSearch, userSpaceUrls} from "@app/rooms"
   import {PLATFORM_RELAYS, DEFAULT_RELAYS} from "@app/env"
   import {bootstrapPubkeys} from "@app/social"
   import {parseInviteLink} from "@app/access"
   import {pushModal} from "@app/modal"
-  import {goToSpace} from "@app/routes"
 
   const addSpace = () => pushModal(SpaceAdd)
 
   const userSpacesLoaded = $roomLists.load($user.pubkey)
-
-  // How many people list each space, which both scopes and ranks search.
-  const spacePubkeysByUrl = _derived($roomLists.all.$, $roomLists => {
-    const result = new Map<string, Set<string>>()
-
-    for (const roomList of $roomLists) {
-      for (const url of roomList.urls()) {
-        addToMapKey(result, url, roomList.author())
-      }
-    }
-
-    return result
-  })
-
-  const relaySearch = _derived(
-    [throttled(1000, $relays.all.$), spacePubkeysByUrl],
-    ([$relays, $spacePubkeysByUrl]) => {
-      const options = $relays.filter(r => $spacePubkeysByUrl.has(r.url))
-
-      return createSearch(options, {
-        getValue: (relay: Relay) => relay.url,
-        sortFn: ({score, item}) => {
-          if (score && score > 0.1) {
-            return -score!
-          }
-
-          const wotScore = $spacePubkeysByUrl.get(item.url)?.size || 0
-
-          return score ? dec(score) * wotScore : -wotScore
-        },
-        fuseOptions: {
-          keys: ["url", "name", {name: "description", weight: 0.3}],
-          shouldSort: false,
-        },
-      })
-    },
-  )
-
-  const openSpace = (url: string, claim = "") => {
-    if ($userSpaceUrls.includes(url)) {
-      goToSpace(url)
-    } else if (claim) {
-      pushModal(SpaceInviteAccept, {invite: term})
-    } else {
-      pushModal(SpaceJoin, {url})
-    }
-  }
+  const spaceSearch = deriveSpaceSearch()
 
   let term = $state("")
   let limit = $state(20)
   let element: Element
 
   const inviteData = $derived(parseInviteLink(term))
-  const searchResults = $derived($relaySearch.searchOptions(term))
+  const searchResults = $derived($spaceSearch.searchOptions(term))
   const userSpaceSet = $derived(new Set($userSpaceUrls))
   const otherSpaces = $derived(
     searchResults.filter(r => !userSpaceSet.has(r.url) && r.url !== inviteData?.url),
@@ -146,9 +94,7 @@
       {#snippet content()}
         <div class="flex flex-col gap-2" bind:this={element}>
           {#each PLATFORM_RELAYS as url (url)}
-            <Button class="card card-interactive" onclick={() => openSpace(url)}>
-              <RelaySummary {url} />
-            </Button>
+            <SpaceResult {url} />
           {:else}
             {#await userSpacesLoaded}
               <div class="flex items-center justify-center py-20">
@@ -159,20 +105,14 @@
               {#if inviteData}
                 <Divider>Search results</Divider>
                 {#key inviteData.url}
-                  <Button
-                    class="card card-interactive"
-                    onclick={() => openSpace(inviteData.url, inviteData.claim)}>
-                    <RelaySummary url={inviteData.url} />
-                  </Button>
+                  <SpaceResult url={inviteData.url} invite={inviteData.claim ? term : undefined} />
                 {/key}
               {/if}
               {#if otherSpaces.length > 0}
                 <Divider>Browse Spaces</Divider>
               {/if}
               {#each otherSpaces.slice(0, limit) as relay (relay.url)}
-                <Button class="card card-interactive" onclick={() => openSpace(relay.url)}>
-                  <RelaySummary url={relay.url} />
-                </Button>
+                <SpaceResult url={relay.url} />
               {/each}
               <div class="flex justify-center py-20">
                 {#await sleep(5000)}

src/routes/spaces/[relay]/articles/[address]/+page.svelte

@@ -1,11 +1,11 @@
 <script lang="ts">
   import {onDestroy} from "svelte"
   import {derived} from "svelte/store"
-  import {formatTimestamp, sleep, uniq} from "@welshman/lib"
+  import {formatTimestamp, uniq} from "@welshman/lib"
   import {Article} from "@welshman/domain"
   import Link from "@lib/components/Link.svelte"
   import PageContent from "@lib/components/PageContent.svelte"
-  import Spinner from "@lib/components/Spinner.svelte"
+  import LoadingFallback from "@lib/components/LoadingFallback.svelte"
   import MenuButton from "@lib/components/MenuButton.svelte"
   import SpaceBar from "@app/components/SpaceBar.svelte"
   import ContentMarkdown from "@app/components/ContentMarkdown.svelte"
@@ -134,12 +134,9 @@
       <ArticleAuthorSidebar {url} event={$event} />
     </div>
   {:else}
-    <div class="flex grow justify-center py-20">
-      {#await sleep(5000)}
-        <Spinner loading>Loading article...</Spinner>
-      {:then}
-        <p>Failed to load article.</p>
-      {/await}
-    </div>
+    <LoadingFallback
+      class="grow"
+      loadingMessage="Loading article..."
+      failureMessage="Failed to load article." />
   {/if}
 </PageContent>

src/routes/spaces/[relay]/articles/create/+page.svelte

@@ -1,267 +1,18 @@
 <script lang="ts">
-  import {onMount} from "svelte"
-  import {writable} from "svelte/store"
   import {page} from "$app/stores"
-  import {goto} from "$app/navigation"
-  import {now, randomId} from "@welshman/lib"
-  import {getAddress} from "@welshman/util"
-  import {Article} from "@welshman/domain"
-  import {isMobile} from "@lib/html"
-  import Paperclip from "@assets/icons/paperclip-2.svg?dataurl"
-  import DocumentText from "@assets/icons/document-text.svg?dataurl"
-  import GallerySend from "@assets/icons/gallery-send.svg?dataurl"
-  import CloseCircle from "@assets/icons/close-circle.svg?dataurl"
-  import Icon from "@lib/components/Icon.svelte"
-  import Field from "@lib/components/Field.svelte"
-  import Button from "@lib/components/Button.svelte"
-  import Spinner from "@lib/components/Spinner.svelte"
-  import PageContent from "@lib/components/PageContent.svelte"
-  import SpaceBar from "@app/components/SpaceBar.svelte"
-  import TopicMultiSelect from "@app/components/TopicMultiSelect.svelte"
-  import EditorContent from "@app/editor/EditorContent.svelte"
-  import {writer} from "@app/core"
-  import {DraftKey} from "@app/drafts"
-  import {makeEditor} from "@app/editor"
+  import ArticleForm from "@app/components/ArticleForm.svelte"
   import {decodeRelay} from "@app/relays"
-  import {publishToSpace} from "@app/rooms"
-  import {makeArticlePath} from "@app/routes"
-  import {compressFileForUpload, uploadFile} from "@app/uploads"
-  import {pushToast} from "@app/toast"
   import type {PageProps} from "./$types"
 
-  type Values = {
-    d?: string
-    content?: string | object
-    title?: string
-    summary?: string
-    image?: string
-    topics?: string[]
-  }
-
   const {params}: PageProps = $props()
 
   const url = decodeRelay(params.relay)
-
   const h = $page.url.searchParams.get("h") ?? undefined
   const shareToChat = $page.url.searchParams.has("shareToChat")
-
-  const draftKey = new DraftKey<Values>(`article:${url}:${h ?? ""}`)
-  const initialValues = draftKey.get()
-  const coverInputId = randomId()
-
-  const uploading = writable(false)
-
-  const back = () => goto(makeArticlePath(url))
-
-  const selectFiles = () => editor.then(ed => ed.commands.selectFiles())
-
-  const clearCover = () => {
-    image = ""
-  }
-
-  const onCoverChange = async (event: Event & {currentTarget: HTMLInputElement}) => {
-    const input = event.currentTarget
-    const file = input.files?.[0]
-
-    // Clear the input so picking the same file again after removing the cover still fires
-    input.value = ""
-
-    if (file) {
-      uploadingCover = true
-
-      try {
-        const {result, error} = await uploadFile(await compressFileForUpload(file), {url})
-
-        if (result?.url) {
-          image = result.url
-        } else {
-          pushToast({theme: "error", message: error ?? "Failed to upload your cover image."})
-        }
-      } catch (e) {
-        // compressFileForUpload rejects outside uploadFile's own error handling
-        console.error("Error caught when uploading cover image:", e)
-        pushToast({theme: "error", message: "Failed to upload your cover image."})
-      } finally {
-        uploadingCover = false
-      }
-    }
-  }
-
-  const submit = async () => {
-    if ($uploading || uploadingCover || loading) {
-      return
-    }
-
-    if (!title) {
-      return pushToast({
-        theme: "error",
-        message: "Please provide a title for your article.",
-      })
-    }
-
-    const ed = await editor
-    const content = ed.getText({blockSeparator: "\n"}).trim()
-
-    if (!content) {
-      return pushToast({
-        theme: "error",
-        message: "Please write something for your article.",
-      })
-    }
-
-    loading = true
-
-    try {
-      const eventWriter = writer(Article)
-        .setIdentifier(d)
-        .setContent(content)
-        .setTitle(title)
-        .setTopics(topics)
-        .setPublishedAt(now())
-        .addTags(...ed.storage.nostr.getEditorTags())
-
-      if (summary) {
-        eventWriter.setSummary(summary)
-      }
-
-      if (image) {
-        eventWriter.setImage(image)
-      }
-
-      const {thunk, error} = await publishToSpace(eventWriter, {url, h, shareToChat})
-
-      if (error) {
-        return pushToast({theme: "error", message: error})
-      }
-
-      draftKey.clear()
-      goto(makeArticlePath(url, getAddress(thunk.options.event)))
-    } finally {
-      loading = false
-    }
-  }
-
-  let loading = $state(false)
-  let uploadingCover = $state(false)
-  let titleInput = $state<HTMLInputElement>()
-
-  // The autofocus attribute is ignored while the button that navigated here still holds focus
-  onMount(() => {
-    if (!isMobile) {
-      titleInput?.focus()
-    }
-  })
-
-  const d = $state(initialValues?.d ?? randomId())
-  let title = $state(initialValues?.title ?? "")
-  let summary = $state(initialValues?.summary ?? "")
-  let image = $state(initialValues?.image ?? "")
-  let topics = $state(initialValues?.topics ?? [])
-  let content = $state(initialValues?.content ?? "")
-
-  const onChange = (json: object) => {
-    content = json
-  }
-
-  const editor = makeEditor({
-    url,
-    submit,
-    uploading,
-    onChange,
-    placeholder: "Write your article...",
-    content,
-  })
-
-  $effect(() => {
-    draftKey.update({d, title, summary, image, topics, content})
-  })
 </script>
 
-<SpaceBar {back}>
-  {#snippet leading()}
-    <Icon icon={DocumentText} />
-  {/snippet}
-  {#snippet title()}
+<ArticleForm {url} {h} {shareToChat}>
+  {#snippet header()}
     <strong>Write an Article</strong>
   {/snippet}
-  {#snippet action()}
-    <Button
-      class="button button-primary button-sm"
-      onclick={submit}
-      disabled={$uploading || uploadingCover || loading}>
-      <Spinner {loading}>Publish</Spinner>
-    </Button>
-  {/snippet}
-</SpaceBar>
-
-<!-- column flex: justify-center would put the top of a tall page out of scroll reach -->
-<PageContent class="items-center">
-  <div class="flex w-full max-w-3xl flex-col gap-6">
-    <input
-      id={coverInputId}
-      type="file"
-      accept="image/jpeg,image/png,image/webp,image/gif"
-      onchange={onCoverChange}
-      class="hidden" />
-    {#if image}
-      <div class="relative">
-        <img src={image} alt="Article cover" class="h-56 w-full rounded-2xl object-cover" />
-        <Button
-          data-tip="Remove cover image"
-          aria-label="Remove cover image"
-          class="tip tip-left button button-neutral button-sm button-circle absolute right-2 top-2"
-          onclick={clearCover}>
-          <Icon icon={CloseCircle} />
-        </Button>
-      </div>
-    {:else}
-      <label
-        for={coverInputId}
-        class="flex h-28 cursor-pointer items-center justify-center gap-2 rounded-2xl border border-dashed border-line text-content-muted transition-colors hover:text-content">
-        {#if uploadingCover}
-          <Spinner loading>Uploading cover image...</Spinner>
-        {:else}
-          <Icon icon={GallerySend} />
-          Add a cover image
-        {/if}
-      </label>
-    {/if}
-    <div class="flex flex-col gap-2">
-      <input
-        bind:this={titleInput}
-        bind:value={title}
-        class="bg-transparent text-3xl font-bold outline-none placeholder:text-content-muted"
-        type="text"
-        placeholder="Title" />
-      <input
-        bind:value={summary}
-        class="placeholder:text-content-muted bg-transparent text-lg outline-none"
-        type="text"
-        placeholder="Add a one line teaser for the article list" />
-    </div>
-    <div class="relative">
-      <div class="article-editor note-editor">
-        <EditorContent {editor} />
-      </div>
-      <Button
-        data-tip="Add an image"
-        class="tip tip-left absolute bottom-1 right-2"
-        onclick={selectFiles}
-        disabled={loading}>
-        {#if $uploading}
-          <Spinner size="xs" />
-        {:else}
-          <Icon icon={Paperclip} size={3} />
-        {/if}
-      </Button>
-    </div>
-    <Field>
-      {#snippet label()}
-        <p>Topics</p>
-      {/snippet}
-      {#snippet input()}
-        <TopicMultiSelect bind:value={topics} />
-      {/snippet}
-    </Field>
-  </div>
-</PageContent>
+</ArticleForm>

src/routes/spaces/[relay]/calendar/[address]/+page.svelte

@@ -5,12 +5,11 @@
 <script lang="ts">
   import {onDestroy} from "svelte"
   import {derived, readable} from "svelte/store"
-  import {sleep} from "@welshman/lib"
   import type {TrustedEvent} from "@welshman/util"
   import {getCommentFiltersForRoot} from "@welshman/util"
   import {TimeEvent} from "@welshman/domain"
   import PageContent from "@lib/components/PageContent.svelte"
-  import Spinner from "@lib/components/Spinner.svelte"
+  import LoadingFallback from "@lib/components/LoadingFallback.svelte"
   import SegmentedButtons from "@lib/components/SegmentedButtons.svelte"
   import type {SegmentedOption} from "@lib/components/SegmentedButtons.svelte"
   import SpaceBar from "@app/components/SpaceBar.svelte"
@@ -127,12 +126,6 @@
       <CalendarEventPeople {url} event={$event} rsvps={$rsvps} />
     {/if}
   {:else}
-    <div class="flex justify-center py-20">
-      {#await sleep(5000)}
-        <Spinner loading>Loading event...</Spinner>
-      {:then}
-        <p>Failed to load event.</p>
-      {/await}
-    </div>
+    <LoadingFallback loadingMessage="Loading event..." failureMessage="Failed to load event." />
   {/if}
 </PageContent>

src/routes/spaces/[relay]/classifieds/[address]/+page.svelte

@@ -1,12 +1,12 @@
 <script lang="ts">
   import {onDestroy} from "svelte"
   import {derived} from "svelte/store"
-  import {sleep, uniq} from "@welshman/lib"
+  import {uniq} from "@welshman/lib"
   import {Classified} from "@welshman/domain"
   import {normalizeTopic} from "@lib/util"
   import Link from "@lib/components/Link.svelte"
   import PageContent from "@lib/components/PageContent.svelte"
-  import Spinner from "@lib/components/Spinner.svelte"
+  import LoadingFallback from "@lib/components/LoadingFallback.svelte"
   import SpaceBar from "@app/components/SpaceBar.svelte"
   import NoteContent from "@app/components/NoteContent.svelte"
   import NoteCard from "@app/components/NoteCard.svelte"
@@ -72,12 +72,8 @@
     </NoteCard>
     <EventComments event={$event} {url} {context} />
   {:else}
-    <div class="flex justify-center py-20">
-      {#await sleep(5000)}
-        <Spinner loading>Loading listing...</Spinner>
-      {:then}
-        <p>Failed to load classified listing.</p>
-      {/await}
-    </div>
+    <LoadingFallback
+      loadingMessage="Loading listing..."
+      failureMessage="Failed to load classified listing." />
   {/if}
 </PageContent>

src/routes/spaces/[relay]/goals/+page.svelte

@@ -1,8 +1,8 @@
 <script lang="ts">
   import {onDestroy, onMount} from "svelte"
-  import {derived, readable} from "svelte/store"
+  import {readable} from "svelte/store"
   import type {Readable} from "svelte/store"
-  import {equals, now, pluck, sortBy, spec} from "@welshman/lib"
+  import {equals, pluck, spec} from "@welshman/lib"
   import type {Maybe} from "@welshman/lib"
   import type {TrustedEvent} from "@welshman/util"
   import {ZAP_GOAL} from "@welshman/util"
@@ -15,6 +15,7 @@
   import Icon from "@lib/components/Icon.svelte"
   import Button from "@lib/components/Button.svelte"
   import SegmentedButtons from "@lib/components/SegmentedButtons.svelte"
+  import type {SegmentedOption} from "@lib/components/SegmentedButtons.svelte"
   import PageContent from "@lib/components/PageContent.svelte"
   import Spinner from "@lib/components/Spinner.svelte"
   import SpaceBar from "@app/components/SpaceBar.svelte"
@@ -23,8 +24,8 @@
   import {decodeRelay} from "@app/relays"
   import {makeCommentFilter, partitionByActivity} from "@app/content"
   import {isFeedLoading, makeFeed, makeFeedContext, makeScrollLoader} from "@app/feeds"
-  import {deriveGoalProgress} from "@app/goals"
-  import type {GoalProgress} from "@app/goals"
+  import {deriveGoalProgressById, filterGoals, getGoalTotals, sortGoals} from "@app/goals"
+  import type {GoalFilter, GoalSort} from "@app/goals"
   import {pushModal} from "@app/modal"
   import type {PageProps} from "./$types"
 
@@ -35,7 +36,7 @@
 
   onDestroy(context.cleanup)
 
-  const tabs = [
+  const tabs: SegmentedOption<GoalFilter>[] = [
     {value: "all", label: "All"},
     {value: "live", label: "Live"},
     {value: "funded", label: "Funded"},
@@ -51,93 +52,26 @@
 
   const createGoal = () => pushModal(GoalCreate, {url})
 
-  let tab = $state("all")
-  let sort = $state("active")
+  let tab: GoalFilter = $state("all")
+  let sort: GoalSort = $state("active")
 
-  // progressById resubscribes every goal's zap receipts, so these change only with the goal set.
+  // progressById resubscribes every goal's zap receipts, so goals change only with the goal set.
   let goals: TrustedEvent[] = $state([])
-  let progressStoresById: Map<string, Readable<GoalProgress>> = $state(new Map())
 
   $effect(() => {
     const next = $events.filter(spec({kind: ZAP_GOAL}))
 
     if (!equals(pluck("id", next), pluck("id", goals))) {
       goals = next
-      progressStoresById = new Map(
-        next.map(event => [
-          event.id,
-          progressStoresById.get(event.id) ?? deriveGoalProgress(event, url),
-        ]),
-      )
     }
   })
 
-  // `derived` over no stores never fires, so an empty board needs a store of its own.
-  const progressById = $derived.by(() => {
-    const ids = Array.from(progressStoresById.keys())
-    const stores = Array.from(progressStoresById.values())
-
-    return stores.length > 0
-      ? derived(stores, progresses => new Map(progresses.map((progress, i) => [ids[i]!, progress])))
-      : readable(new Map<string, GoalProgress>())
-  })
-
+  const progressById = $derived(deriveGoalProgressById(goals, url))
   const {activeAt} = $derived(partitionByActivity(ZAP_GOAL, $events))
-
-  const totals = $derived.by(() => {
-    const backers = new Set<string>()
-    let raised = 0
-    let funded = 0
-
-    for (const progress of $progressById.values()) {
-      raised += progress.raised
-      funded += progress.isFunded ? 1 : 0
-
-      for (const backer of progress.backers) {
-        backers.add(backer)
-      }
-    }
-
-    return {raised, funded, backers: backers.size}
-  })
-
-  const items = $derived.by(() => {
-    const matches = goals.filter(event => {
-      const progress = $progressById.get(event.id)
-
-      if (tab === "live") {
-        return Boolean(progress && !progress.isEnded && !progress.isFunded)
-      }
-
-      if (tab === "funded") {
-        return Boolean(progress?.isFunded)
-      }
-
-      if (tab === "ended") {
-        return Boolean(progress?.isEnded)
-      }
-
-      return true
-    })
-
-    if (sort === "new") {
-      return sortBy(event => -event.created_at, matches)
-    }
-
-    if (sort === "progress") {
-      return sortBy(event => -($progressById.get(event.id)?.percent ?? 0), matches)
-    }
-
-    if (sort === "ending") {
-      return sortBy(event => {
-        const closedAt = $progressById.get(event.id)?.closedAt
-
-        return closedAt && closedAt > now() ? closedAt : Infinity
-      }, matches)
-    }
-
-    return sortBy(event => -(activeAt.get(event.id) ?? event.created_at), matches)
-  })
+  const totals = $derived(getGoalTotals($progressById))
+  const items = $derived(
+    sortGoals(sort, filterGoals(tab, goals, $progressById), $progressById, activeAt),
+  )
 
   onMount(() => {
     const feed = makeFeed({
@@ -207,11 +141,7 @@
   <div class="columns-1 gap-2 sm:gap-4 lg:columns-2 2xl:columns-3">
     {#each items as event (event.id)}
       <div in:fly class="mb-2 min-w-0 break-inside-avoid sm:mb-4">
-        <GoalItem
-          {url}
-          {context}
-          event={$state.snapshot(event)}
-          progress={progressStoresById.get(event.id)} />
+        <GoalItem {url} {context} event={$state.snapshot(event)} />
       </div>
     {/each}
   </div>

src/routes/spaces/[relay]/goals/[id]/+page.svelte

@@ -1,12 +1,12 @@
 <script lang="ts">
   import {onDestroy} from "svelte"
   import {derived} from "svelte/store"
-  import {DAY, formatTimestampRelative, now, sleep} from "@welshman/lib"
+  import {DAY, formatTimestampRelative, now} from "@welshman/lib"
   import {ZapGoal} from "@welshman/domain"
   import Bolt from "@assets/icons/bolt.svg?dataurl"
   import Icon from "@lib/components/Icon.svelte"
   import PageContent from "@lib/components/PageContent.svelte"
-  import Spinner from "@lib/components/Spinner.svelte"
+  import LoadingFallback from "@lib/components/LoadingFallback.svelte"
   import SpaceBar from "@app/components/SpaceBar.svelte"
   import Content from "@app/components/Content.svelte"
   import NoteCard from "@app/components/NoteCard.svelte"
@@ -116,12 +116,8 @@
     <GoalSupporters {url} event={$event} progress={$progress} />
     <EventComments event={$event} {url} {context} />
   {:else}
-    <div class="flex justify-center py-20">
-      {#await sleep(5000)}
-        <Spinner loading>Loading funding goal...</Spinner>
-      {:then}
-        <p>Failed to load funding goal.</p>
-      {/await}
-    </div>
+    <LoadingFallback
+      loadingMessage="Loading funding goal..."
+      failureMessage="Failed to load funding goal." />
   {/if}
 </PageContent>

src/routes/spaces/[relay]/polls/[id]/+page.svelte

@@ -1,9 +1,8 @@
 <script lang="ts">
   import {onDestroy, onMount} from "svelte"
-  import {sleep} from "@welshman/lib"
   import {POLL, POLL_RESPONSE} from "@welshman/util"
   import PageContent from "@lib/components/PageContent.svelte"
-  import Spinner from "@lib/components/Spinner.svelte"
+  import LoadingFallback from "@lib/components/LoadingFallback.svelte"
   import SpaceBar from "@app/components/SpaceBar.svelte"
   import NoteCard from "@app/components/NoteCard.svelte"
   import NoteContent from "@app/components/NoteContent.svelte"
@@ -59,12 +58,6 @@
     </NoteCard>
     <EventComments event={$event} {url} {context} />
   {:else}
-    <div class="flex justify-center py-20">
-      {#await sleep(5000)}
-        <Spinner loading>Loading poll...</Spinner>
-      {:then}
-        <p>Failed to load poll.</p>
-      {/await}
-    </div>
+    <LoadingFallback loadingMessage="Loading poll..." failureMessage="Failed to load poll." />
   {/if}
 </PageContent>

src/routes/spaces/[relay]/threads/[id]/+page.svelte

@@ -1,7 +1,7 @@
 <script lang="ts">
   import {onDestroy} from "svelte"
   import {page} from "$app/state"
-  import {sleep, spec} from "@welshman/lib"
+  import {spec} from "@welshman/lib"
   import type {TrustedEvent} from "@welshman/util"
   import {getCommentFiltersForRoot} from "@welshman/util"
   import Reply from "@assets/icons/reply-2.svg?dataurl"
@@ -9,7 +9,7 @@
   import {fade, fly} from "@lib/transition"
   import Icon from "@lib/components/Icon.svelte"
   import PageContent from "@lib/components/PageContent.svelte"
-  import Spinner from "@lib/components/Spinner.svelte"
+  import LoadingFallback from "@lib/components/LoadingFallback.svelte"
   import Button from "@lib/components/Button.svelte"
   import ThreadPost from "@app/components/ThreadPost.svelte"
   import ThreadSummaryBar from "@app/components/ThreadSummaryBar.svelte"
@@ -216,13 +216,7 @@
         </div>
       {/if}
     {:else}
-      <div class="flex justify-center py-20">
-        {#await sleep(5000)}
-          <Spinner loading>Loading thread...</Spinner>
-        {:then}
-          <p>Failed to load thread.</p>
-        {/await}
-      </div>
+      <LoadingFallback loadingMessage="Loading thread..." failureMessage="Failed to load thread." />
     {/if}
   </PageContent>
   {#if $event && scrolledPastRoot}