UBER-799: Allow extensions to tracker for github (#3727)

plugins/tracker-resources/src/components/components/EditComponent.svelte

@@ -2,9 +2,10 @@
   import { AttachmentStyleBoxEditor } from '@hcengineering/attachment-resources'
   import { getClient } from '@hcengineering/presentation'
   import { Component } from '@hcengineering/tracker'
-  import { EditBox } from '@hcengineering/ui'
+  import { EditBox, Label } from '@hcengineering/ui'
   import { createEventDispatcher, onMount } from 'svelte'
   import tracker from '../../plugin'
+  import QueryIssuesList from '../issues/edit/QueryIssuesList.svelte'
 
   export let object: Component
 
@@ -53,3 +54,20 @@
     placeholder={tracker.string.IssueDescriptionPlaceholder}
   />
 </div>
+
+<div class="w-full mt-6">
+  <QueryIssuesList
+    focusIndex={50}
+    {object}
+    query={{ component: object._id }}
+    shouldSaveDraft
+    hasSubIssues={true}
+    viewletId={tracker.viewlet.ComponentIssuesList}
+    createParams={{ component: object._id }}
+    on:docs
+  >
+    <svelte:fragment slot="header">
+      <Label label={tracker.string.Issues} />
+    </svelte:fragment>
+  </QueryIssuesList>
+</div>

plugins/tracker-resources/src/components/issues/IssuesView.svelte

@@ -7,6 +7,7 @@
   import { FilterBar, SpaceHeader, ViewletContentView, ViewletSettingButton } from '@hcengineering/view-resources'
   import tracker from '../../plugin'
   import CreateIssue from '../CreateIssue.svelte'
+  import { ComponentExtensions } from '@hcengineering/presentation'
 
   export let space: Ref<Space> | undefined = undefined
   export let query: DocumentQuery<Issue> = {}
@@ -51,7 +52,7 @@
   bind:viewlet
   bind:search
   showLabelSelector={$$slots.label_selector}
-  viewletQuery={{ attachTo: tracker.class.Issue, variant: { $ne: 'subissue' } }}
+  viewletQuery={{ attachTo: tracker.class.Issue, variant: { $nin: ['subissue', 'component', 'milestone'] } }}
   {viewlets}
   {label}
   {space}
@@ -61,6 +62,11 @@
     <slot name="label_selector" />
   </svelte:fragment>
   <svelte:fragment slot="extra">
+    <ComponentExtensions
+      extension={tracker.extensions.IssueListHeader}
+      props={{ size: 'medium', kind: 'ghost', space }}
+    />
+
     <ViewletSettingButton bind:viewOptions bind:viewlet />
     {#if asideFloat && $$slots.aside}
       <div class="buttons-divider" />

plugins/tracker-resources/src/components/issues/edit/QueryIssuesList.svelte

@@ -0,0 +1,205 @@
+<!-- 
+// Copyright © 2022 Hardcore Engineering Inc.
+// 
+// Licensed under the Eclipse Public License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License. You may
+// obtain a copy of the License at https://www.eclipse.org/legal/epl-2.0
+// 
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// 
+// See the License for the specific language governing permissions and
+// limitations under the License.
+-->
+<script lang="ts">
+  import { Class, Doc, DocumentQuery, Ref, toIdMap } from '@hcengineering/core'
+  import { createQuery, getClient } from '@hcengineering/presentation'
+  import { Issue, Project } from '@hcengineering/tracker'
+  import { Button, Chevron, ExpandCollapse, IconAdd, closeTooltip, showPopup } from '@hcengineering/ui'
+  import view, { ViewOptions, Viewlet, ViewletPreference } from '@hcengineering/view'
+  import { ViewletsSettingButton } from '@hcengineering/view-resources'
+  import { afterUpdate } from 'svelte'
+  import tracker from '../../../plugin'
+  import CreateIssue from '../../CreateIssue.svelte'
+  import SubIssueList from './SubIssueList.svelte'
+
+  export let projects: Map<Ref<Project>, Project> | undefined = undefined
+  export let shouldSaveDraft: boolean = false
+  export let object: Doc
+  export let query: DocumentQuery<Issue> = {}
+
+  export let createParams: Record<string, any> = {}
+  export let viewletId = tracker.viewlet.SubIssues
+  export let createLabel = tracker.string.CreatedIssue
+  export let hasSubIssues = false
+
+  let isCollapsed = false
+  let listWidth: number
+
+  let viewlet: Viewlet | undefined
+  let viewOptions: ViewOptions | undefined
+  let _projects = projects
+  export let focusIndex = -1
+
+  const projectsQuery = createQuery()
+
+  function openNewIssueDialog (): void {
+    showPopup(tracker.component.CreateIssue, { space: object.space, ...createParams, shouldSaveDraft }, 'top')
+  }
+
+  $: if (projects === undefined) {
+    projectsQuery.query(tracker.class.Project, { archived: false }, async (result) => {
+      _projects = toIdMap(result)
+    })
+  } else {
+    projectsQuery.unsubscribe()
+  }
+
+  let lastIssueId: Ref<Doc>
+  afterUpdate(() => {
+    if (lastIssueId !== object._id) {
+      lastIssueId = object._id
+    }
+  })
+
+  const preferenceQuery = createQuery()
+  const objectConfigurations = createQuery()
+  let preference: ViewletPreference[] = []
+  let loading = true
+
+  let configurationRaw: Viewlet[] = []
+  let configurations: Record<Ref<Class<Doc>>, Viewlet['config']> = {}
+
+  const client = getClient()
+
+  $: viewlet &&
+    objectConfigurations.query(
+      view.class.Viewlet,
+      {
+        attachTo: { $in: client.getHierarchy().getDescendants(viewlet.attachTo) },
+        descriptor: viewlet.descriptor,
+        variant: viewlet.variant ? viewlet.variant : { $exists: false }
+      },
+      (res) => {
+        configurationRaw = res
+        loading = false
+      }
+    )
+
+  $: viewlet &&
+    preferenceQuery.query(
+      view.class.ViewletPreference,
+      {
+        attachedTo: { $in: configurationRaw.map((it) => it._id) }
+      },
+      (res) => {
+        preference = res
+        loading = false
+      }
+    )
+
+  function updateConfiguration (configurationRaw: Viewlet[], preference: ViewletPreference[]): void {
+    const newConfigurations: Record<Ref<Class<Doc>>, Viewlet['config']> = {}
+
+    for (const v of configurationRaw) {
+      newConfigurations[v.attachTo] = v.config
+    }
+
+    // Add viewlet configurations.
+    for (const pref of preference) {
+      if (pref.config.length > 0) {
+        const viewlet = configurationRaw.find((it) => it._id === pref.attachedTo)
+        if (viewlet !== undefined) {
+          newConfigurations[viewlet.attachTo] = pref.config
+        }
+      }
+    }
+
+    configurations = newConfigurations
+  }
+
+  $: updateConfiguration(configurationRaw, preference)
+</script>
+
+<div class="flex-between mb-1">
+  {#if hasSubIssues}
+    {#if $$slots.header}
+      <slot name="header" />
+    {:else}
+      <Button
+        width="min-content"
+        kind="ghost"
+        on:click={() => {
+          isCollapsed = !isCollapsed
+        }}
+      >
+        <svelte:fragment slot="content">
+          <Chevron
+            size={'small'}
+            expanded={!isCollapsed}
+            outline
+            fill={'var(--caption-color)'}
+            marginRight={'.375rem'}
+          />
+          <slot name="chevron" />
+        </svelte:fragment>
+      </Button>
+    {/if}
+  {/if}
+  <div class="flex-row-center gap-2">
+    {#if hasSubIssues}
+      <ViewletsSettingButton bind:viewOptions viewletQuery={{ _id: viewletId }} kind={'ghost'} bind:viewlet />
+    {/if}
+    {#if hasSubIssues}
+      <slot name="buttons" />
+    {/if}
+    <Button
+      id="add-sub-issue"
+      icon={IconAdd}
+      label={hasSubIssues ? undefined : createLabel}
+      labelParams={{ subIssues: 0 }}
+      kind={'ghost'}
+      showTooltip={{ label: createLabel, direction: 'bottom' }}
+      on:click={() => {
+        isCollapsed = false
+        closeTooltip()
+        openNewIssueDialog()
+      }}
+    />
+  </div>
+</div>
+{#if hasSubIssues && viewOptions && viewlet}
+  {#if !isCollapsed}
+    <ExpandCollapse isExpanded={!isCollapsed}>
+      <div class="list" class:collapsed={isCollapsed} bind:clientWidth={listWidth}>
+        <SubIssueList
+          createItemDialog={CreateIssue}
+          createItemLabel={tracker.string.AddIssueTooltip}
+          createItemDialogProps={{ space: object.space, ...createParams, shouldSaveDraft }}
+          focusIndex={focusIndex === -1 ? -1 : focusIndex + 1}
+          projects={_projects}
+          {configurations}
+          {preference}
+          {viewlet}
+          {viewOptions}
+          {query}
+          compactMode={listWidth <= 600}
+          on:docs
+        />
+      </div>
+    </ExpandCollapse>
+  {/if}
+{/if}
+
+<style lang="scss">
+  .list {
+    padding-top: 0.75rem;
+    border-top: 1px solid var(--divider-color);
+
+    &.collapsed {
+      padding-top: 1px;
+      border-top: none;
+    }
+  }
+</style>

plugins/tracker-resources/src/components/issues/edit/SubIssueList.svelte

@@ -21,6 +21,7 @@
   import { ViewOptions, Viewlet, ViewletPreference } from '@hcengineering/view'
   import { List, ListSelectionProvider, SelectDirection, selectionStore } from '@hcengineering/view-resources'
   import tracker from '../../../plugin'
+  import { createEventDispatcher } from 'svelte'
 
   export let query: DocumentQuery<Issue> | undefined = undefined
   export let viewlet: Viewlet
@@ -66,6 +67,8 @@
   export let createItemDialog: AnySvelteComponent | AnyComponent | undefined = undefined
   export let createItemLabel: IntlString | undefined = undefined
   export let createItemDialogProps: Record<string, any> | undefined = undefined
+
+  const dispatch = createEventDispatcher()
 </script>
 
 <ActionContext
@@ -100,6 +103,7 @@
     on:content={(evt) => {
       docs = evt.detail
       listProvider.update(evt.detail)
+      dispatch('docs', docs)
     }}
   />
 {/if}

plugins/tracker-resources/src/components/issues/edit/SubIssues.svelte

@@ -13,213 +13,58 @@
 // limitations under the License.
 -->
 <script lang="ts">
-  import { Class, Doc, Ref, toIdMap } from '@hcengineering/core'
-  import { createQuery, getClient } from '@hcengineering/presentation'
+  import { Ref } from '@hcengineering/core'
   import { Issue, Project, trackerId } from '@hcengineering/tracker'
-  import {
-    Button,
-    Chevron,
-    ExpandCollapse,
-    IconAdd,
-    IconScaleFull,
-    Label,
-    closeTooltip,
-    getCurrentResolvedLocation,
-    navigate,
-    showPopup
-  } from '@hcengineering/ui'
-  import view, { ViewOptions, Viewlet, ViewletPreference } from '@hcengineering/view'
-  import { ViewletsSettingButton, createFilter, setFilters } from '@hcengineering/view-resources'
-  import { afterUpdate } from 'svelte'
+  import { Button, IconScaleFull, Label, closeTooltip, getCurrentResolvedLocation, navigate } from '@hcengineering/ui'
+  import { createFilter, setFilters } from '@hcengineering/view-resources'
   import tracker from '../../../plugin'
-  import CreateIssue from '../../CreateIssue.svelte'
-  import SubIssueList from './SubIssueList.svelte'
+  import QueryIssuesList from './QueryIssuesList.svelte'
 
   export let issue: Issue
-  export let projects: Map<Ref<Project>, Project>
+  export let projects: Map<Ref<Project>, Project> | undefined
   export let shouldSaveDraft: boolean = false
 
-  let isCollapsed = false
-  let listWidth: number
-
-  $: hasSubIssues = issue.subIssues > 0
-
-  let viewlet: Viewlet | undefined
-  let viewOptions: ViewOptions | undefined
-  let _projects = projects
-
-  const projectsQuery = createQuery()
-
-  function openNewIssueDialog (): void {
-    showPopup(tracker.component.CreateIssue, { space: issue.space, parentIssue: issue, shouldSaveDraft }, 'top')
-  }
-
-  $: if (projects === undefined) {
-    projectsQuery.query(tracker.class.Project, {}, async (result) => {
-      _projects = toIdMap(result)
-    })
-  } else {
-    projectsQuery.unsubscribe()
-  }
-
+  // showPopup(tracker.component.CreateIssue, { space: issue.space, parentIssue: issue, shouldSaveDraft }, 'top')
   export let focusIndex = -1
 
-  let lastIssueId: Ref<Issue>
-  afterUpdate(() => {
-    if (lastIssueId !== issue._id) {
-      lastIssueId = issue._id
-    }
-  })
-
-  const preferenceQuery = createQuery()
-  const objectConfigurations = createQuery()
-  let preference: ViewletPreference[] = []
-  let loading = true
-
-  let configurationRaw: Viewlet[] = []
-  let configurations: Record<Ref<Class<Doc>>, Viewlet['config']> = {}
-
-  const client = getClient()
-
-  $: viewlet &&
-    objectConfigurations.query(
-      view.class.Viewlet,
-      {
-        attachTo: { $in: client.getHierarchy().getDescendants(viewlet.attachTo) },
-        descriptor: viewlet.descriptor,
-        variant: viewlet.variant ? viewlet.variant : { $exists: false }
-      },
-      (res) => {
-        configurationRaw = res
-        loading = false
-      }
-    )
-
-  $: viewlet &&
-    preferenceQuery.query(
-      view.class.ViewletPreference,
-      {
-        attachedTo: { $in: configurationRaw.map((it) => it._id) }
-      },
-      (res) => {
-        preference = res
-        loading = false
-      }
-    )
-
-  function updateConfiguration (configurationRaw: Viewlet[], preference: ViewletPreference[]): void {
-    const newConfigurations: Record<Ref<Class<Doc>>, Viewlet['config']> = {}
-
-    for (const v of configurationRaw) {
-      newConfigurations[v.attachTo] = v.config
-    }
-
-    // Add viewlet configurations.
-    for (const pref of preference) {
-      if (pref.config.length > 0) {
-        const viewlet = configurationRaw.find((it) => it._id === pref.attachedTo)
-        if (viewlet !== undefined) {
-          newConfigurations[viewlet.attachTo] = pref.config
-        }
-      }
-    }
-
-    configurations = newConfigurations
-  }
-
-  $: updateConfiguration(configurationRaw, preference)
+  let size = issue.subIssues
 </script>
 
-<div class="flex-between mb-1">
-  {#if hasSubIssues}
+<QueryIssuesList
+  object={issue}
+  query={{ attachedTo: issue._id }}
+  createParams={{ space: issue.space, parentIssue: issue }}
+  createLabel={tracker.string.AddSubIssues}
+  hasSubIssues={issue.subIssues > 0}
+  {focusIndex}
+  {projects}
+  {shouldSaveDraft}
+  on:docs={(evt) => {
+    size = evt.detail.length
+  }}
+>
+  <svelte:fragment slot="chevron">
+    <Label label={tracker.string.SubIssuesList} params={{ subIssues: size }} />
+  </svelte:fragment>
+  <svelte:fragment slot="buttons">
     <Button
-      width="min-content"
-      kind="ghost"
-      on:click={() => {
-        isCollapsed = !isCollapsed
-      }}
-    >
-      <svelte:fragment slot="content">
-        <Chevron size={'small'} expanded={!isCollapsed} outline fill={'var(--caption-color)'} marginRight={'.375rem'} />
-        <Label label={tracker.string.SubIssuesList} params={{ subIssues: issue.subIssues }} />
-      </svelte:fragment>
-    </Button>
-  {/if}
-  <div class="flex-row-center gap-2">
-    {#if hasSubIssues}
-      <ViewletsSettingButton
-        bind:viewOptions
-        viewletQuery={{ _id: tracker.viewlet.SubIssues }}
-        kind={'ghost'}
-        bind:viewlet
-      />
-    {/if}
-    {#if hasSubIssues}
-      <Button
-        icon={IconScaleFull}
-        kind={'ghost'}
-        showTooltip={{ label: tracker.string.OpenSubIssues, direction: 'bottom' }}
-        on:click={() => {
-          const filter = createFilter(tracker.class.Issue, 'attachedTo', [issue._id])
-          if (filter !== undefined) {
-            closeTooltip()
-            const loc = getCurrentResolvedLocation()
-            loc.fragment = undefined
-            loc.query = undefined
-            loc.path[2] = trackerId
-            loc.path[3] = issue.space
-            loc.path[4] = 'issues'
-            navigate(loc)
-            setFilters([filter])
-          }
-        }}
-      />
-    {/if}
-    <Button
-      id="add-sub-issue"
-      icon={hasSubIssues ? IconAdd : undefined}
-      label={hasSubIssues ? undefined : tracker.string.AddSubIssues}
-      labelParams={{ subIssues: 0 }}
+      icon={IconScaleFull}
       kind={'ghost'}
-      showTooltip={{ label: tracker.string.AddSubIssues, props: { subIssues: 1 }, direction: 'bottom' }}
+      showTooltip={{ label: tracker.string.OpenSubIssues, direction: 'bottom' }}
       on:click={() => {
-        isCollapsed = false
-        closeTooltip()
-        openNewIssueDialog()
+        const filter = createFilter(tracker.class.Issue, 'attachedTo', [issue._id])
+        if (filter !== undefined) {
+          closeTooltip()
+          const loc = getCurrentResolvedLocation()
+          loc.fragment = undefined
+          loc.query = undefined
+          loc.path[2] = trackerId
+          loc.path[3] = issue.space
+          loc.path[4] = 'issues'
+          navigate(loc)
+          setFilters([filter])
+        }
       }}
     />
-  </div>
-</div>
-{#if hasSubIssues && viewOptions && viewlet}
-  {#if !isCollapsed}
-    <ExpandCollapse isExpanded={!isCollapsed}>
-      <div class="list" class:collapsed={isCollapsed} bind:clientWidth={listWidth}>
-        <SubIssueList
-          createItemDialog={CreateIssue}
-          createItemLabel={tracker.string.AddIssueTooltip}
-          createItemDialogProps={{ space: issue.space, parentIssue: issue, shouldSaveDraft }}
-          focusIndex={focusIndex === -1 ? -1 : focusIndex + 1}
-          projects={_projects}
-          {configurations}
-          {preference}
-          {viewlet}
-          {viewOptions}
-          query={{ attachedTo: issue._id }}
-          compactMode={listWidth <= 600}
-        />
-      </div>
-    </ExpandCollapse>
-  {/if}
-{/if}
-
-<style lang="scss">
-  .list {
-    padding-top: 0.75rem;
-    border-top: 1px solid var(--divider-color);
-
-    &.collapsed {
-      padding-top: 1px;
-      border-top: none;
-    }
-  }
-</style>
+  </svelte:fragment>
+</QueryIssuesList>

plugins/tracker-resources/src/components/issues/related/RelatedIssues.svelte

@@ -39,7 +39,7 @@
 
   const projectsQuery = createQuery()
 
-  $: projectsQuery.query(tracker.class.Project, {}, async (result) => {
+  $: projectsQuery.query(tracker.class.Project, { archived: false }, async (result) => {
     projects = new Map(result.map((it) => [it._id, it]))
   })
 </script>

plugins/tracker-resources/src/components/issues/related/RelatedIssuesSection.svelte

@@ -1,86 +1,29 @@
 <script lang="ts">
   import { Doc, DocumentQuery } from '@hcengineering/core'
   import { IntlString } from '@hcengineering/platform'
-  import { configurationStore, createQuery, getClient } from '@hcengineering/presentation'
-  import { Issue, trackerId } from '@hcengineering/tracker'
-  import { Button, Component, Icon, IconAdd, Label, showPopup } from '@hcengineering/ui'
-  import { ViewOptions, Viewlet } from '@hcengineering/view'
-  import { ViewletsSettingButton, getAdditionalHeader } from '@hcengineering/view-resources'
-  import viewplg from '@hcengineering/view-resources/src/plugin'
-  import { fade } from 'svelte/transition'
-  import tracker from '../../../plugin'
-  import RelatedIssues from './RelatedIssues.svelte'
+  import { configurationStore } from '@hcengineering/presentation'
+  import tracker, { Issue, trackerId } from '@hcengineering/tracker'
+  import { Icon, Label } from '@hcengineering/ui'
+  import QueryIssuesList from '../edit/QueryIssuesList.svelte'
 
   export let object: Doc
   export let label: IntlString
 
-  const client = getClient()
-  let viewlet: Viewlet | undefined
-  let listWidth: number
-
-  let viewOptions: ViewOptions | undefined
-  const createIssue = () => showPopup(tracker.component.CreateIssue, { relatedTo: object, space: object.space }, 'top')
-
   let query: DocumentQuery<Issue>
   $: query = { 'relations._id': object._id, 'relations._class': object._class }
-  const subIssuesQuery = createQuery()
-  let subIssues: Issue[] = []
-  $: subIssuesQuery.query(tracker.class.Issue, query, async (result) => (subIssues = result))
-
-  $: headerRemoval = viewOptions?.groupBy?.length === 0 || viewOptions?.groupBy?.[0] === '#no_category'
-  $: extraHeaders = headerRemoval ? getAdditionalHeader(client, tracker.class.Issue) : undefined
 </script>
 
 {#if $configurationStore.has(trackerId)}
-  <div class="antiSection" bind:clientWidth={listWidth}>
-    <div class="antiSection-header mb-3">
-      <div class="antiSection-header__icon">
-        <Icon icon={tracker.icon.Issue} size={'small'} />
-      </div>
-      <span class="antiSection-header__title short overflow-label">
-        <Label {label} />
-      </span>
-      {#if headerRemoval}
-        <div in:fade|local={{ duration: 150 }} class="antiSection-header__header flex-between">
-          <span class="content-dark-color"><Label label={viewplg.string.NoGrouping} /></span>
-          <div class="buttons-group font-normal text-normal">
-            {#if extraHeaders}
-              {#each extraHeaders as extra}
-                <Component is={extra} props={{ docs: subIssues }} />
-              {/each}
-            {/if}
-            <span class="antiSection-header__counter">{subIssues.length}</span>
-          </div>
+  <QueryIssuesList {object} {query} createParams={{ relatedTo: object }} hasSubIssues>
+    <svelte:fragment slot="header">
+      <div class="flex-row-center mb-3">
+        <div class="antiSection-header__icon">
+          <Icon icon={tracker.icon.Issue} size={'small'} />
         </div>
-      {:else}
-        <span class="flex-grow" />
-      {/if}
-      <div class="flex-row-center gap-2">
-        <ViewletsSettingButton
-          bind:viewOptions
-          viewletQuery={{ _id: tracker.viewlet.SubIssues }}
-          kind={'ghost'}
-          bind:viewlet
-        />
-        <Button
-          id="add-sub-issue"
-          icon={IconAdd}
-          label={undefined}
-          labelParams={{ subIssues: 0 }}
-          kind={'ghost'}
-          on:click={createIssue}
-        />
+        <span class="antiSection-header__title short">
+          <Label {label} />
+        </span>
       </div>
-    </div>
-    {#if viewlet && viewOptions}
-      <RelatedIssues
-        {object}
-        {viewOptions}
-        {viewlet}
-        on:add-issue={createIssue}
-        disableHeader={headerRemoval}
-        compactMode={listWidth <= 600}
-      />
-    {/if}
-  </div>
+    </svelte:fragment>
+  </QueryIssuesList>
 {/if}

plugins/tracker-resources/src/components/milestones/EditMilestone.svelte

@@ -13,12 +13,13 @@
 // limitations under the License.
 -->
 <script lang="ts">
+  import { AttachmentStyleBoxEditor } from '@hcengineering/attachment-resources'
   import { getClient } from '@hcengineering/presentation'
   import { Milestone } from '@hcengineering/tracker'
-  import { EditBox } from '@hcengineering/ui'
+  import { EditBox, Label } from '@hcengineering/ui'
   import { createEventDispatcher, onMount } from 'svelte'
   import tracker from '../../plugin'
-  import { AttachmentStyleBoxEditor } from '@hcengineering/attachment-resources'
+  import QueryIssuesList from '../issues/edit/QueryIssuesList.svelte'
 
   export let object: Milestone
 
@@ -66,3 +67,19 @@
     placeholder={tracker.string.IssueDescriptionPlaceholder}
   />
 </div>
+
+<div class="w-full mt-6">
+  <QueryIssuesList
+    focusIndex={50}
+    {object}
+    query={{ milestone: object._id }}
+    shouldSaveDraft
+    hasSubIssues={true}
+    viewletId={tracker.viewlet.MilestoneIssuesList}
+    createParams={{ milestone: object._id }}
+  >
+    <svelte:fragment slot="header">
+      <Label label={tracker.string.Issues} />
+    </svelte:fragment>
+  </QueryIssuesList>
+</div>

plugins/tracker-resources/src/components/templates/IssueTemplateChilds.svelte

@@ -75,10 +75,9 @@
     width="min-content"
     icon={hasSubIssues ? IconAdd : undefined}
     label={hasSubIssues ? undefined : tracker.string.AddSubIssues}
-    labelParams={{ subIssues: 0 }}
     kind={'ghost'}
     size={'small'}
-    showTooltip={{ label: tracker.string.AddSubIssues, props: { subIssues: 1 } }}
+    showTooltip={{ label: tracker.string.AddSubIssues }}
     on:click={() => {
       closeTooltip()
       isCreating = true