Files
signed/crates/workspace/src/views/repo_detail/pull_requests.rs
T
2026-09-02 09:53:50 +07:00

932 lines
40 KiB
Rust

use std::path::{Path, PathBuf};
use std::rc::Rc;
use assets::CustomIconName;
use dock::{BasePanel, DockArea, DockPlacement, Panel, PanelEvent, panel_handle};
use gpui::prelude::*;
use gpui::{
AnyElement, App, Context, Entity, EventEmitter, FocusHandle, Focusable, PathPromptOptions,
Pixels, Render, SharedString, Size, WeakEntity, Window, div, px, size,
};
use gpui_component::alert::Alert;
use gpui_component::button::{Button, ButtonVariants};
use gpui_component::checkbox::Checkbox;
use gpui_component::dialog::{DialogDescription, DialogFooter, DialogHeader, DialogTitle};
use gpui_component::form::{field, v_form};
use gpui_component::input::{Input, InputState, Textarea, TextareaState};
use gpui_component::scroll::Scrollbar;
use gpui_component::{
ActiveTheme, Disableable, Icon, IconName, VirtualListScrollHandle, WindowExt, h_flex, v_flex,
v_virtual_list,
};
use nostr::prelude::{EventId, Kind};
use signed_core::{RepoStatus, activity_subject};
use signed_git::{format_patch_between, merge_base, patch_applies};
use signed_state::{GitStore, ProfileStore, RepoStore};
use signed_ui::image_cache::{MAX_IMAGES, image_cache};
use signed_ui::{SegmentButton, UserAvatar, placeholder, status_badge};
use utils::relative_time;
use super::pull_request_detail::PullRequestDetailView;
/// Height of one pull request row in the virtual list; same layout as an
/// issue row.
const PR_ROW_HEIGHT: f32 = 73.;
/// Status filter of the pull request list, chosen via the header's filter
/// buttons.
#[derive(Debug, Clone, Copy, PartialEq, Eq)]
enum PullRequestFilter {
/// Every pull request, regardless of status.
All,
/// Pull requests whose resolved status is [`RepoStatus::Open`].
Open,
/// Pull requests whose resolved status is [`RepoStatus::Closed`].
Closed,
/// Pull requests whose resolved status is [`RepoStatus::Draft`].
Draft,
/// Pull requests whose resolved status is [`RepoStatus::Applied`]
/// (i.e. merged).
Merged,
}
impl PullRequestFilter {
/// Whether a pull request with `status` is included by this filter.
fn matches(self, status: RepoStatus) -> bool {
match self {
Self::All => true,
Self::Open => status == RepoStatus::Open,
Self::Closed => status == RepoStatus::Closed,
Self::Draft => status == RepoStatus::Draft,
Self::Merged => status == RepoStatus::Applied,
}
}
}
pub struct PullRequestsView {
focus_handle: FocusHandle,
/// Dock area the detail panels are added to.
dock_area: WeakEntity<DockArea>,
/// Repo store holding the pull requests and their statuses.
store: Entity<RepoStore>,
/// Display name of the repository, for the panel title.
repo_name: SharedString,
/// Filter selected in the header filter buttons.
filter: PullRequestFilter,
/// Per-row heights of the virtual list.
item_sizes: Rc<Vec<Size<Pixels>>>,
/// Number of rows [`Self::item_sizes`] was built for (the filtered
/// pull request count); rebuilt on change.
pr_len: usize,
/// Indices into the store's `pull_requests` matching [`Self::filter`]
/// (root PR events only; updates are revisions of the root); the
/// virtual list renders this slice. Rebuilt only when the store
/// version or the filter changes, keyed by [`Self::cache_key`].
visible_prs: Vec<usize>,
/// Header counts `(total, open, closed, draft, merged)` of the root
/// pull requests only (revisions are not separate PRs), rebuilt with
/// [`Self::visible_prs`].
counts: (usize, usize, usize, usize, usize),
/// Store version and filter the cached rows/counts were built from.
cache_key: Option<(u64, PullRequestFilter)>,
/// Virtual list state of the pull requests list.
scroll_handle: VirtualListScrollHandle,
}
impl PullRequestsView {
pub fn new(
dock_area: WeakEntity<DockArea>,
store: Entity<RepoStore>,
repo_name: SharedString,
_window: &mut Window,
cx: &mut Context<Self>,
) -> Self {
Self {
focus_handle: cx.focus_handle(),
dock_area,
store,
repo_name,
filter: PullRequestFilter::Open,
item_sizes: Rc::new(Vec::new()),
pr_len: 0,
visible_prs: Vec::new(),
counts: (0, 0, 0, 0, 0),
cache_key: None,
scroll_handle: VirtualListScrollHandle::new(),
}
}
/// Open the detail panel of `pr_id` at the bottom of the dock area.
fn open_pull_request_detail(
&mut self,
pr_id: EventId,
window: &mut Window,
cx: &mut Context<Self>,
) {
let Some(dock_area) = self.dock_area.upgrade() else {
return;
};
let panel = cx.new(|cx| {
PullRequestDetailView::new(
self.dock_area.clone(),
self.store.clone(),
pr_id,
window,
cx,
)
});
dock_area.update(cx, |dock_area, cx| {
dock_area.add_panel_view(panel_handle(panel), DockPlacement::Center, None, window, cx);
});
}
/// Render one row of the pull request list; `ix` is the row index and
/// `pr_ix` the index of the pull request in the store's `pull_requests`.
fn render_row(&self, ix: usize, pr_ix: usize, cx: &mut Context<Self>) -> AnyElement {
let pr = &self.store.read(cx).pull_requests[pr_ix];
let pr_id = pr.id;
let title = activity_subject(pr);
let id_hex = pr.id.to_hex();
let age = relative_time(pr.created_at);
let status = self.store.read(cx).status_of(pr);
let profile = ProfileStore::global(cx).read(cx).get(&pr.pubkey);
let author = profile.name();
let picture = profile.picture();
h_flex()
.id(ix)
.w_full()
.gap_4()
.px_4()
.py_2()
.border_b_1()
.border_color(cx.theme().border)
.items_start()
.on_click(cx.listener(move |this, _event, window, cx| {
this.open_pull_request_detail(pr_id, window, cx);
}))
.child(status_badge(status, cx))
.child(
v_flex()
.flex_1()
.child(
div()
.h_8()
.min_w_0()
.text_ellipsis()
.whitespace_nowrap()
.line_clamp(1)
.text_sm()
.child(title),
)
.child(
h_flex()
.h_6()
.gap_2()
.text_xs()
.child(
h_flex()
.gap_1()
.child(UserAvatar::new(author.clone()).picture(picture))
.child(div().child(author)),
)
.child(SharedString::from("opened"))
.child(
div()
.text_color(cx.theme().muted_foreground)
.child(SharedString::from(&id_hex[..8])),
)
.child(SharedString::from(age)),
),
)
.hover(|this| this.bg(cx.theme().list_hover))
.into_any_element()
}
fn render_header(&self, cx: &mut Context<Self>) -> AnyElement {
// Counts of the last list rebuild (`render` rebuilds first when the
// store version or filter changed, so this is never stale).
let (total, open, closed, draft, merged) = self.counts;
h_flex()
.px_4()
.w_full()
.gap_3()
.border_b_1()
.border_color(cx.theme().border)
.bg(cx.theme().muted.opacity(0.5))
.child(
h_flex()
.h_12()
.gap_2()
.child(
SegmentButton::new("all", "All")
.icon(Icon::new(CustomIconName::GitPullRequest))
.count(total)
.selected(self.filter == PullRequestFilter::All)
.on_click(cx.listener(|this, _event, _window, cx| {
this.filter = PullRequestFilter::All;
cx.notify();
})),
)
.child(
SegmentButton::new("open", "Open")
.icon(Icon::new(CustomIconName::GitPullRequest))
.count(open)
.selected(self.filter == PullRequestFilter::Open)
.on_click(cx.listener(|this, _event, _window, cx| {
this.filter = PullRequestFilter::Open;
cx.notify();
})),
)
.child(
SegmentButton::new("closed", "Closed")
.icon(Icon::new(CustomIconName::GitPullRequestClosed))
.count(closed)
.selected(self.filter == PullRequestFilter::Closed)
.on_click(cx.listener(|this, _event, _window, cx| {
this.filter = PullRequestFilter::Closed;
cx.notify();
})),
)
.child(
SegmentButton::new("draft", "Draft")
.icon(Icon::new(CustomIconName::GitPullRequestDraft))
.count(draft)
.selected(self.filter == PullRequestFilter::Draft)
.on_click(cx.listener(|this, _event, _window, cx| {
this.filter = PullRequestFilter::Draft;
cx.notify();
})),
)
.child(
SegmentButton::new("merged", "Merged")
.icon(Icon::new(CustomIconName::GitPullRequestMerged))
.count(merged)
.selected(self.filter == PullRequestFilter::Merged)
.on_click(cx.listener(|this, _event, _window, cx| {
this.filter = PullRequestFilter::Merged;
cx.notify();
})),
),
)
.child(div().flex_1())
.child(
SegmentButton::new("new-pr", "New pull request")
.icon(Icon::new(CustomIconName::CirclePlus))
.primary()
.on_click(cx.listener(|this, _event, window, cx| {
open_new_pull_request_dialog(this.store.clone(), window, cx);
})),
)
.into_any_element()
}
}
/// A patch series generated from a local repository, with the metadata
/// derived from it.
struct GeneratedPatch {
/// The `git format-patch` series (fills the patch textarea).
patch: String,
/// The merge base with the target branch, as hex.
merge_base: Option<String>,
}
/// State of the new pull request dialog, so the async generation, the
/// apply check and the draft checkbox re-render.
#[derive(Default)]
struct NewPullRequestDialogState {
draft: bool,
/// The last generated patch series; its merge base is reused at submit
/// only while the patch textarea is unchanged.
generated: Option<GeneratedPatch>,
/// Result of the pre-publish applicability check against the app's
/// mirror clone of the target repository.
apply_check: Option<Result<(), String>>,
/// A patch generation is in flight.
generating: bool,
/// Error of the last generation attempt.
error: Option<SharedString>,
}
impl NewPullRequestDialogState {
/// Text and whether it is good news, for the line under the patch field.
fn apply_check_message(&self) -> Option<(SharedString, bool)> {
match &self.apply_check {
Some(Ok(())) => Some((
"Applies cleanly to the repository's default branch".into(),
true,
)),
Some(Err(error)) => Some((
format!("May not apply cleanly to the repository's default branch: {error}").into(),
false,
)),
None => None,
}
}
}
/// Open the "new pull request" dialog: a title, an optional description,
/// an optional branch name and a patch input that submit through
/// [`RepoStore::open_pull_request`] when confirmed. The patch can either be
/// pasted, or generated from a local checkout: pick a repository, a source
/// and a target branch, and the app runs `git format-patch` itself and
/// checks the series against the app's mirror clone of the target.
pub(super) fn open_new_pull_request_dialog(
store: Entity<RepoStore>,
window: &mut Window,
cx: &mut App,
) {
let subject = cx.new(|cx| InputState::new(window, cx).placeholder("Pull request title"));
let description =
cx.new(|cx| TextareaState::new(window, cx).placeholder("Describe the change..."));
let branch = cx.new(|cx| InputState::new(window, cx).placeholder("Branch name (optional)"));
let repo_path = cx.new(|cx| InputState::new(window, cx).placeholder("Pick a local checkout…"));
let source = cx.new(|cx| InputState::new(window, cx).placeholder("Source branch"));
let target = cx.new(|cx| InputState::new(window, cx).placeholder("Target branch"));
let patch = cx
.new(|cx| TextareaState::new(window, cx).placeholder("Paste `git format-patch` output..."));
let state = cx.new(|_| NewPullRequestDialogState::default());
window.open_dialog(cx, move |dialog, _window, _cx| {
let subject = subject.clone();
let description = description.clone();
let branch = branch.clone();
let repo_path = repo_path.clone();
let source = source.clone();
let target = target.clone();
let patch = patch.clone();
let store = store.clone();
let state = state.clone();
dialog
.width(px(560.))
.margin_top(px(50.))
.content(move |body, _window, cx| {
let generating = state.read(cx).generating;
let draft = state.read(cx).draft;
let error = state.read(cx).error.clone();
let apply_check = state.read(cx).apply_check_message();
body.child(
DialogHeader::new()
.child(DialogTitle::new().child("New pull request"))
.child(
DialogDescription::new().child(
"Propose a change with the output of `git format-patch`.",
),
),
)
.child(
v_form()
.child(
field()
.label("Title")
.required(true)
.child(Input::new(&subject)),
)
.child(
field()
.label("Description")
.child(Textarea::new(&description).h(px(96.))),
)
.child(
field()
.label("Local repository")
.description(
"Generate the patch from a local checkout; leave empty to paste it",
)
.child(
h_flex()
.gap_1()
.items_center()
.child(
div()
.flex_1()
.child(Input::new(&repo_path).disabled(true)),
)
.child(
Button::new("choose-checkout")
.icon(IconName::FolderOpen)
.ghost()
.tooltip("Choose local checkout")
.on_click({
let repo_path = repo_path.clone();
let source = source.clone();
let target = target.clone();
let patch = patch.clone();
let branch = branch.clone();
let state = state.clone();
let store = store.clone();
move |_ev, window, cx| {
choose_local_repo(
&repo_path,
&source,
&target,
&patch,
&branch,
&state,
&store,
window,
cx,
);
}
}),
)
.child(
Button::new("generate-patch")
.ghost()
.label("Generate")
.tooltip(
"Generate the patch from the local checkout",
)
.loading(generating)
.disabled(generating)
.on_click({
let repo_path = repo_path.clone();
let source = source.clone();
let target = target.clone();
let patch = patch.clone();
let branch = branch.clone();
let state = state.clone();
let store = store.clone();
move |_ev, window, cx| {
let path =
repo_path.read(cx).value().to_string();
let source =
source.read(cx).value().to_string();
let target =
target.read(cx).value().to_string();
if !path.is_empty()
&& !source.is_empty()
&& !target.is_empty()
{
generate_patch(
&state,
&patch,
&branch,
path,
source,
target,
&store,
window,
cx,
);
}
}
}),
),
),
)
.child(
field()
.label("Source branch")
.child(Input::new(&source)),
)
.child(
field()
.label("Target branch")
.child(Input::new(&target)),
)
.child(
field()
.label("Branch")
.description("Optional: the branch the change is proposed from")
.child(Input::new(&branch)),
)
.child(
field().label("Patch").child(
v_flex()
.gap_1()
.child(Textarea::new(&patch).h(px(140.)))
.when_some(apply_check, |this, (message, ok)| {
this.child(
div()
.text_xs()
.text_color(if ok {
cx.theme().success
} else {
cx.theme().warning
})
.child(message),
)
})
.when_some(error, |this, message| {
this.child(
div()
.text_xs()
.text_color(cx.theme().danger)
.child(message),
)
}),
),
)
.child(
field().child(
Checkbox::new("pr-draft")
.label("Create as draft")
.checked(draft)
.on_click({
let state = state.clone();
move |checked, _window, cx| {
state.update(cx, |state, _| state.draft = *checked);
}
}),
),
),
)
.child(
DialogFooter::new().justify_end().child(
Button::new("submit")
.primary()
.label("Create pull request")
.tooltip("Create pull request")
.loading(generating)
.disabled(generating)
.on_click({
let subject = subject.clone();
let description = description.clone();
let branch = branch.clone();
let patch = patch.clone();
let repo_path = repo_path.clone();
let store = store.clone();
let state = state.clone();
move |_event, window, cx| {
if state.read(cx).generating {
return;
}
let subject = subject.read(cx).value().to_string();
let description = description.read(cx).value().to_string();
let branch = branch.read(cx).value().to_string();
let patch = patch.read(cx).value().to_string();
let subject = (!subject.is_empty()).then_some(subject);
let branch = (!branch.is_empty()).then_some(branch);
let draft = state.read(cx).draft;
// The generated merge base stays valid
// only while the patch is unchanged; an
// edited patch falls back to none.
let merge_base = state
.read(cx)
.generated
.as_ref()
.filter(|generated| generated.patch == patch)
.and_then(|generated| generated.merge_base.clone());
// The checkout (when set) is where the
// tip commit is pushed from, so other
// clients can fetch it.
let repo_path = repo_path.read(cx).value().to_string();
let push_from = (!repo_path.is_empty())
.then(|| PathBuf::from(repo_path));
store.update(cx, |store, cx| {
store.open_pull_request(
subject,
description,
branch,
patch,
draft,
merge_base,
push_from,
cx,
);
});
window.close_dialog(cx);
}
}),
),
)
})
});
}
/// Prompt for a local checkout, fill the source/target defaults (the
/// checkout's current branch and the repository's announced HEAD) and
/// generate the patch series right away.
#[allow(clippy::too_many_arguments)]
fn choose_local_repo(
repo_path: &Entity<InputState>,
source: &Entity<InputState>,
target: &Entity<InputState>,
patch: &Entity<TextareaState>,
branch: &Entity<InputState>,
state: &Entity<NewPullRequestDialogState>,
store: &Entity<RepoStore>,
window: &mut Window,
cx: &mut App,
) {
let handle = window.window_handle();
let repo_path = repo_path.clone();
let source = source.clone();
let target = target.clone();
let patch = patch.clone();
let branch = branch.clone();
let state = state.clone();
let store = store.clone();
// The announced HEAD branch is the natural target default.
let target_default = store.read(cx).head.clone().unwrap_or_default();
let prompt = cx.prompt_for_paths(PathPromptOptions {
files: false,
directories: true,
multiple: false,
prompt: Some("Choose local checkout".into()),
});
cx.spawn(async move |cx| {
if let Ok(Ok(Some(mut paths))) = prompt.await
&& let Some(path) = paths.pop()
{
let path = path.to_string_lossy().to_string();
// The checkout's current branch is the source default; resolve
// it off the UI thread.
let current = cx
.background_executor()
.spawn({
let path = path.clone();
async move {
gix::open(Path::new(&path))
.ok()
.and_then(|repo| signed_git::current_branch(&repo).ok().flatten())
}
})
.await;
let _ = handle.update(cx, |_, window, cx| {
repo_path.update(cx, |input, cx| {
input.set_value(path.clone(), window, cx);
});
source.update(cx, |input, cx| {
input.set_value(current.clone().unwrap_or_default(), window, cx);
});
target.update(cx, |input, cx| {
input.set_value(target_default.clone(), window, cx);
});
if let Some(current) = current
&& !current.is_empty()
&& !target_default.is_empty()
{
generate_patch(
&state,
&patch,
&branch,
path,
current,
target_default,
&store,
window,
cx,
);
}
});
}
})
.detach();
}
/// Generate the patch series `source..target` of the local checkout at
/// `repo_path`, fill the patch textarea and record the merge base and the
/// pre-publish applicability check in `state`.
#[allow(clippy::too_many_arguments)]
fn generate_patch(
state: &Entity<NewPullRequestDialogState>,
patch_input: &Entity<TextareaState>,
branch_input: &Entity<InputState>,
repo_path: String,
source: String,
target: String,
store: &Entity<RepoStore>,
window: &mut Window,
cx: &mut App,
) {
state.update(cx, |state, cx| {
state.generating = true;
state.error = None;
state.apply_check = None;
cx.notify();
});
let cache = GitStore::global(cx).cache().clone();
let (addr, clone_urls) = {
let store = store.read(cx);
(
store.addr().clone(),
store
.announcement
.as_ref()
.map(|a| {
a.clone
.iter()
.map(ToString::to_string)
.collect::<Vec<String>>()
})
.unwrap_or_default(),
)
};
let handle = window.window_handle();
let state = state.clone();
let patch_input = patch_input.clone();
let branch_input = branch_input.clone();
let task = cx.spawn(async move |cx| {
// The branch-name tag defaults to the source branch; keep a copy
// for the UI update after the background generation moves it.
let source_label = source.clone();
let generated = cx
.background_executor()
.spawn(async move {
let base =
merge_base(Path::new(&repo_path), &source, &target)?.ok_or_else(|| {
anyhow::anyhow!("{source} and {target} share no common ancestor")
})?;
let patch = format_patch_between(Path::new(&repo_path), &base, &source)?;
// Best-effort: does the series apply to the current default
// branch of the app's mirror clone of the target repository?
let check = cache
.ensure_clone(&addr, &clone_urls)
.ok()
.and_then(|repo| repo.workdir().map(|workdir| workdir.to_path_buf()))
.map(|workdir| patch_applies(&workdir, &patch).map_err(|e| e.to_string()));
Ok::<_, anyhow::Error>((patch, Some(base), check))
})
.await;
let _ = handle.update(cx, |_, window, cx| match generated {
Ok((patch, merge_base, check)) => {
patch_input.update(cx, |input, cx| {
input.set_value(patch.clone(), window, cx);
});
// The branch-name tag defaults to the source branch.
if branch_input.read(cx).value().is_empty() {
branch_input.update(cx, |input, cx| {
input.set_value(source_label.clone(), window, cx);
});
}
state.update(cx, |state, cx| {
state.generating = false;
state.generated = Some(GeneratedPatch { patch, merge_base });
state.apply_check = check;
cx.notify();
});
}
Err(error) => state.update(cx, |state, cx| {
state.generating = false;
state.error = Some(error.to_string().into());
cx.notify();
}),
});
});
task.detach();
}
impl BasePanel for PullRequestsView {
fn panel_name(&self) -> &'static str {
"pull-requests"
}
}
impl Panel for PullRequestsView {
fn title(&mut self, _window: &mut Window, _cx: &mut Context<Self>) -> impl IntoElement {
div().child(SharedString::from(format!(
"{}/pull-requests",
self.repo_name
)))
}
}
impl EventEmitter<PanelEvent> for PullRequestsView {}
impl Focusable for PullRequestsView {
fn focus_handle(&self, _cx: &App) -> FocusHandle {
self.focus_handle.clone()
}
}
impl Render for PullRequestsView {
fn render(&mut self, _window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
let filter = self.filter;
// Rebuild the filtered rows and header counts only when the store
// refreshed or the filter changed; other renders reuse the cache.
let version = self.store.read(cx).version();
if self.cache_key != Some((version, filter)) {
let store = self.store.read(cx);
let mut counts = (0usize, 0usize, 0usize, 0usize, 0usize);
self.visible_prs = store
.pull_requests
.iter()
.enumerate()
.filter_map(|(ix, pr)| {
// Kind-30620 patches are revisions of a root PR (NIP-34),
// not separate pull requests: count only root events, or
// the header counts inflate with every revision (which
// also default to `Open` in `status_of`).
if pr.kind != Kind::GitPullRequest {
return None;
}
let status = store.status_of(pr);
counts.0 += 1;
match status {
RepoStatus::Open => counts.1 += 1,
RepoStatus::Closed => counts.2 += 1,
RepoStatus::Draft => counts.3 += 1,
RepoStatus::Applied => counts.4 += 1,
}
filter.matches(status).then_some(ix)
})
.collect();
self.counts = counts;
self.cache_key = Some((version, filter));
}
let count = self.visible_prs.len();
// The virtual list's item count comes from `item_sizes`; rebuild it
// whenever the filtered pull request count changes.
if count != self.pr_len {
self.pr_len = count;
self.item_sizes = Rc::new(vec![size(px(0.), px(PR_ROW_HEIGHT)); count]);
}
let sizes = self.item_sizes.clone();
let scroll_handle = self.scroll_handle.clone();
let view = cx.entity().clone();
// Non-fatal warnings and errors of the last action (e.g. creating
// or updating a PR), shown as dismissible banners above the list.
let (last_error, last_warning) = {
let store = self.store.read(cx);
(store.last_error.clone(), store.last_warning.clone())
};
v_flex()
.size_full()
.image_cache(image_cache("pull-requests", MAX_IMAGES))
.child(self.render_header(cx))
.when_some(last_warning, |this, warning| {
this.child(Alert::warning("pr-warning", warning).banner().on_close({
let store = self.store.clone();
move |_event, _window, cx| {
store.update(cx, |store, _| store.last_warning = None);
}
}))
})
.when_some(last_error, |this, error| {
this.child(Alert::error("pr-error", error).banner().on_close({
let store = self.store.clone();
move |_event, _window, cx| {
store.update(cx, |store, _| store.last_error = None);
}
}))
})
.child(
v_flex()
.relative()
.flex_1()
.min_h_0()
.w_full()
.when(count > 0, |this| {
this.child(
v_virtual_list(view, "prl", sizes, move |this, range, _window, cx| {
range
.map(|ix| {
let pr_ix = this.visible_prs[ix];
this.render_row(ix, pr_ix, cx)
})
.collect()
})
.track_scroll(&scroll_handle)
.size_full(),
)
.child(
div()
.absolute()
.top_0()
.left_0()
.right_0()
.bottom_0()
.child(Scrollbar::vertical(&scroll_handle)),
)
})
.when(count == 0, |this| {
let message = match filter {
PullRequestFilter::All => "No pull requests",
PullRequestFilter::Open => "No open pull requests",
PullRequestFilter::Closed => "No closed pull requests",
PullRequestFilter::Draft => "No draft pull requests",
PullRequestFilter::Merged => "No merged pull requests",
};
this.child(placeholder(message, cx))
}),
)
.into_any_element()
}
}