feat: add deprecate command with custom reason

.gitignore

@@ -29,6 +29,7 @@ test-results
 
 # Test coverage
 coverage/
+*.junit.xml
 
 # Playwright
 playwright-report/

app/components/Package/DeprecatePackageModal.vue

@@ -0,0 +1,270 @@
+<script setup lang="ts">
+import type { NewOperation } from '~/composables/useConnector'
+import { PackageDeprecateParamsSchema, safeParse } from '~~/cli/src/schemas'
+
+const DEPRECATE_MESSAGE_MAX_LENGTH = 500
+
+const props = withDefaults(
+  defineProps<{
+    packageName: string
+    version?: string
+    /** When true, the package or version is already deprecated; form is hidden and state cannot be changed. */
+    isAlreadyDeprecated?: boolean
+    /** Version strings that are already deprecated (computed by parent from pkg.versions). */
+    deprecatedVersions?: string[]
+  }>(),
+  { version: '', isAlreadyDeprecated: false, deprecatedVersions: () => [] },
+)
+
+const { t } = useI18n()
+const { isConnected, state, addOperation, approveOperation, executeOperations, refreshState } =
+  useConnector()
+
+const deprecateMessage = ref('')
+const deprecateVersion = ref(props.version)
+const isDeprecating = shallowRef(false)
+const deprecateSuccess = shallowRef(false)
+const deprecateError = shallowRef<string | null>(null)
+
+const connectorModal = useModal('connector-modal')
+
+const modalTitle = computed(() =>
+  deprecateVersion.value
+    ? `${t('package.deprecation.modal.title')} ${props.packageName}@${deprecateVersion.value}`
+    : `${t('package.deprecation.modal.title')} ${props.packageName}`,
+)
+
+/** True when the user has entered a version in the form that is already deprecated. */
+const isSelectedVersionDeprecated = computed(() => {
+  const v = deprecateVersion.value.trim()
+  if (!v || !props.deprecatedVersions.length) return false
+  return props.deprecatedVersions.includes(v)
+})
+
+async function handleDeprecate() {
+  if (props.isAlreadyDeprecated || isSelectedVersionDeprecated.value) return
+  const message = deprecateMessage.value.trim()
+  if (!isConnected.value) return
+
+  const params: Record<string, string> = {
+    pkg: props.packageName,
+    message,
+  }
+  if (deprecateVersion.value.trim()) {
+    params.version = deprecateVersion.value.trim()
+  }
+
+  const parsed = safeParse(PackageDeprecateParamsSchema, params)
+  if (!parsed.success) {
+    deprecateError.value = parsed.error
+    return
+  }
+
+  isDeprecating.value = true
+  deprecateError.value = null
+
+  try {
+    const escapedMessage = parsed.data.message.replace(/"/g, '\\"')
+    const command = parsed.data.version
+      ? `npm deprecate ${parsed.data.pkg}@${parsed.data.version} "${escapedMessage}"`
+      : `npm deprecate ${parsed.data.pkg} "${escapedMessage}"`
+
+    const operation = await addOperation({
+      type: 'package:deprecate',
+      params: {
+        pkg: parsed.data.pkg,
+        message: parsed.data.message,
+        ...(parsed.data.version && { version: parsed.data.version }),
+      },
+      description: parsed.data.version
+        ? `Deprecate ${parsed.data.pkg}@${parsed.data.version}`
+        : `Deprecate ${parsed.data.pkg}`,
+      command,
+    } as NewOperation)
+
+    if (!operation) {
+      throw new Error('Failed to create operation')
+    }
+
+    await approveOperation(operation.id)
+    await executeOperations()
+    await refreshState()
+
+    const completedOp = state.value.operations.find(op => op.id === operation.id)
+    if (completedOp?.status === 'completed') {
+      deprecateSuccess.value = true
+    } else if (completedOp?.status === 'failed') {
+      if (completedOp.result?.requiresOtp) {
+        close()
+        connectorModal.open()
+      } else {
+        deprecateError.value = completedOp.result?.stderr || t('common.try_again')
+      }
+    } else {
+      close()
+      connectorModal.open()
+    }
+  } catch (err) {
+    deprecateError.value = err instanceof Error ? err.message : t('common.try_again')
+  } finally {
+    isDeprecating.value = false
+  }
+}
+
+const dialogRef = useTemplateRef('dialogRef')
+
+function open() {
+  deprecateError.value = null
+  deprecateSuccess.value = false
+  deprecateMessage.value = ''
+  deprecateVersion.value = props.version ?? ''
+  dialogRef.value?.showModal()
+}
+
+function close() {
+  dialogRef.value?.close()
+}
+
+defineExpose({ open, close })
+</script>
+
+<template>
+  <Modal ref="dialogRef" :modal-title="modalTitle" id="deprecate-package-modal" class="max-w-md">
+    <!-- Already deprecated: entire module read-only, hint only, no form / no deprecate button -->
+    <div v-if="isAlreadyDeprecated" class="space-y-4" aria-readonly="true">
+      <div
+        class="flex items-center gap-3 p-4 bg-amber-500/10 border border-amber-500/20 rounded-lg"
+        role="status"
+      >
+        <span class="i-carbon-warning-alt text-amber-500 w-6 h-6 shrink-0" aria-hidden="true" />
+        <div>
+          <p class="font-mono text-sm text-fg">
+            {{
+              deprecateVersion
+                ? $t('package.deprecation.modal.already_deprecated_version')
+                : $t('package.deprecation.modal.already_deprecated')
+            }}
+          </p>
+          <p class="text-xs text-fg-muted mt-0.5">
+            {{ $t('package.deprecation.modal.already_deprecated_detail') }}
+          </p>
+        </div>
+      </div>
+      <button
+        type="button"
+        class="w-full px-4 py-2 font-mono text-sm text-fg-muted bg-bg-subtle border border-border rounded-md transition-colors duration-200 hover:text-fg hover:border-border-hover focus-visible:outline-accent/70"
+        @click="close"
+      >
+        {{ $t('common.close') }}
+      </button>
+    </div>
+
+    <!-- Success state -->
+    <div v-else-if="deprecateSuccess" class="space-y-4">
+      <div
+        class="flex items-center gap-3 p-4 bg-green-500/10 border border-green-500/20 rounded-lg"
+      >
+        <span class="i-carbon-checkmark-filled text-green-500 w-6 h-6" aria-hidden="true" />
+        <div>
+          <p class="font-mono text-sm text-fg">{{ $t('package.deprecation.modal.success') }}</p>
+          <p class="text-xs text-fg-muted">
+            {{ $t('package.deprecation.modal.success_detail') }}
+          </p>
+        </div>
+      </div>
+      <button
+        type="button"
+        class="w-full px-4 py-2 font-mono text-sm text-fg-muted bg-bg-subtle border border-border rounded-md transition-colors duration-200 hover:text-fg hover:border-border-hover focus-visible:outline-accent/70"
+        @click="close"
+      >
+        {{ $t('common.close') }}
+      </button>
+    </div>
+
+    <!-- Form -->
+    <div v-else class="space-y-4">
+      <!-- Hint when user-entered version is already deprecated -->
+      <div
+        v-if="isSelectedVersionDeprecated"
+        class="flex items-center gap-3 p-4 bg-amber-500/10 border border-amber-500/20 rounded-lg"
+        role="status"
+      >
+        <span class="i-carbon-warning-alt text-amber-500 w-6 h-6 shrink-0" aria-hidden="true" />
+        <div>
+          <p class="font-mono text-sm text-fg">
+            {{ $t('package.deprecation.modal.already_deprecated_version') }}
+          </p>
+          <p class="text-xs text-fg-muted mt-0.5">
+            {{ $t('package.deprecation.modal.already_deprecated_detail') }}
+          </p>
+        </div>
+      </div>
+      <div>
+        <label
+          for="deprecate-message"
+          class="block text-xs text-fg-subtle uppercase tracking-wider mb-1.5"
+        >
+          {{ $t('package.deprecation.modal.reason') }}
+        </label>
+        <textarea
+          id="deprecate-message"
+          v-model="deprecateMessage"
+          rows="3"
+          :maxlength="DEPRECATE_MESSAGE_MAX_LENGTH"
+          :disabled="isSelectedVersionDeprecated"
+          class="w-full appearance-none bg-bg-subtle border border-border font-mono text-sm leading-none px-3 py-2.5 rounded-lg text-fg placeholder:text-fg-subtle transition-[border-color,outline-color] duration-300 hover:border-fg-subtle outline-2 outline-transparent outline-offset-2 focus:border-accent focus-visible:outline-accent/70 disabled:(opacity-50 cursor-not-allowed)"
+          :placeholder="$t('package.deprecation.modal.reason_placeholder')"
+          :aria-describedby="
+            deprecateMessage.length >= DEPRECATE_MESSAGE_MAX_LENGTH
+              ? 'deprecate-message-hint'
+              : undefined
+          "
+        />
+        <p
+          v-if="deprecateMessage.length >= DEPRECATE_MESSAGE_MAX_LENGTH * 0.9"
+          id="deprecate-message-hint"
+          class="mt-1 text-xs text-fg-muted"
+        >
+          {{ deprecateMessage.length }} / {{ DEPRECATE_MESSAGE_MAX_LENGTH }}
+        </p>
+      </div>
+      <div>
+        <label
+          for="deprecate-version"
+          class="block text-xs text-fg-subtle uppercase tracking-wider mb-1.5"
+        >
+          {{ $t('package.deprecation.modal.version') }}
+        </label>
+        <InputBase
+          id="deprecate-version"
+          v-model="deprecateVersion"
+          type="text"
+          name="deprecate-version"
+          :disabled="isSelectedVersionDeprecated"
+          class="w-full"
+          size="medium"
+          :placeholder="$t('package.deprecation.modal.version_placeholder')"
+        />
+      </div>
+      <div
+        v-if="deprecateError"
+        role="alert"
+        class="p-3 text-sm text-red-400 bg-red-500/10 border border-red-500/20 rounded-md"
+      >
+        {{ deprecateError }}
+      </div>
+      <button
+        type="button"
+        :disabled="isDeprecating || !deprecateMessage.trim() || isSelectedVersionDeprecated"
+        class="w-full px-4 py-2 font-mono text-sm text-bg bg-fg rounded-md transition-colors duration-200 hover:bg-fg/90 disabled:opacity-50 disabled:cursor-not-allowed focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-fg/50"
+        @click="handleDeprecate"
+      >
+        {{
+          isDeprecating
+            ? $t('package.deprecation.modal.deprecating')
+            : $t('package.deprecation.action')
+        }}
+      </button>
+    </div>
+  </Modal>
+</template>

app/pages/package/[[org]]/[name].vue

@@ -375,6 +375,21 @@ const latestVersion = computed(() => {
   return pkg.value.versions[latestTag] ?? null
 })
 
+/** True when the currently displayed version (or resolved version) is deprecated; used to hide deprecate button. */
+const isCurrentVersionDeprecated = computed(() => {
+  if (displayVersion.value?.deprecated) return true
+  const ver = resolvedVersion.value
+  return !!(ver && pkg.value?.versions?.[ver]?.deprecated)
+})
+
+/** Version strings that are already deprecated; passed to DeprecatePackageModal to avoid extra fetch. */
+const deprecatedVersions = computed(() => {
+  if (!pkg.value?.versions) return []
+  return Object.entries(pkg.value.versions)
+    .filter(([, metadata]) => !!metadata.deprecated)
+    .map(([version]) => version)
+})
+
 const deprecationNotice = computed(() => {
   if (!displayVersion.value?.deprecated) return null
 
@@ -396,6 +411,17 @@ const deprecationNoticeMessage = useMarkdown(() => ({
   text: deprecationNotice.value?.message ?? '',
 }))
 
+const { isConnected, npmUser } = useConnector()
+const deprecateModal = useTemplateRef<{ open: () => void }>('deprecateModal')
+
+const isPackageOwner = computed(() => {
+  const maintainers = pkg.value?.maintainers
+  const user = npmUser.value
+  if (!maintainers?.length || !user) return false
+  const userLower = user.toLowerCase()
+  return maintainers.some((m: { name?: string }) => (m.name ?? '').toLowerCase() === userLower)
+})
+
 const publishSecurityDowngrade = computed(() => {
   const currentVersion = displayVersion.value?.version
   if (!currentVersion) return null
@@ -1496,6 +1522,21 @@ const showSkeleton = shallowRef(false)
 
           <!-- Maintainers (with admin actions when connected) -->
           <PackageMaintainers :package-name="pkg.name" :maintainers="pkg.maintainers" />
+
+          <!-- Deprecation (when connected as package owner; hidden when current version is already deprecated) -->
+          <div
+            v-if="isConnected && resolvedVersion && isPackageOwner && !isCurrentVersionDeprecated"
+            class="space-y-1"
+          >
+            <button
+              type="button"
+              class="flex items-center justify-center gap-1.5 w-full px-3 py-1.5 bg-bg-subtle rounded text-sm font-mono text-red-400 hover:text-red-500 transition-colors"
+              @click="deprecateModal?.open()"
+            >
+              <span class="i-carbon-warning-alt w-4 h-4 shrink-0" aria-hidden="true" />
+              {{ $t('package.deprecation.action') }}
+            </button>
+          </div>
         </div>
       </PackageSidebar>
     </article>
@@ -1516,6 +1557,16 @@ const showSkeleton = shallowRef(false)
         $t('common.go_back_home')
       }}</LinkBase>
     </div>
+    <ClientOnly>
+      <PackageDeprecatePackageModal
+        v-if="pkg"
+        ref="deprecateModal"
+        :package-name="pkg.name"
+        :version="resolvedVersion ?? ''"
+        :is-already-deprecated="isCurrentVersionDeprecated"
+        :deprecated-versions="deprecatedVersions"
+      />
+    </ClientOnly>
   </main>
 </template>
 

cli/src/mock-state.ts

@@ -489,6 +489,11 @@ export class MockConnectorStateManager {
         }
         break
       }
+      case 'package:deprecate': {
+        // Params: { pkg, message, version? } — PackageDeprecateParamsSchema
+        // Deprecation is a registry-side mutation; no local mock state to update.
+        break
+      }
     }
   }