dify

dify/web/app/components/goto-anything/actions/commands/account.tsx

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+import type { SlashCommandHandler } from './types'
+import React from 'react'
+import { RiUser3Line } from '@remixicon/react'
+import i18n from '@/i18n-config/i18next-config'
+import { registerCommands, unregisterCommands } from './command-bus'
+
+// Account command dependency types - no external dependencies needed
+type AccountDeps = Record<string, never>
+
+/**
+ * Account command - Navigates to account page
+ */
+export const accountCommand: SlashCommandHandler<AccountDeps> = {
+  name: 'account',
+  description: 'Navigate to account page',
+  mode: 'direct',
+
+  // Direct execution function
+  execute: () => {
+    window.location.href = '/account'
+  },
+
+  async search(args: string, locale: string = 'en') {
+    return [{
+      id: 'account',
+      title: i18n.t('common.account.account', { lng: locale }),
+      description: i18n.t('app.gotoAnything.actions.accountDesc', { lng: locale }),
+      type: 'command' as const,
+      icon: (
+        <div className='flex h-6 w-6 items-center justify-center rounded-md border-[0.5px] border-divider-regular bg-components-panel-bg'>
+          <RiUser3Line className='h-4 w-4 text-text-tertiary' />
+        </div>
+      ),
+      data: { command: 'navigation.account', args: {} },
+    }]
+  },
+
+  register(_deps: AccountDeps) {
+    registerCommands({
+      'navigation.account': async (_args) => {
+        // Navigate to account page
+        window.location.href = '/account'
+      },
+    })
+  },
+
+  unregister() {
+    unregisterCommands(['navigation.account'])
+  },
+}

dify/web/app/components/goto-anything/actions/commands/command-bus.ts

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+export type CommandHandler = (args?: Record<string, any>) => void | Promise<void>
+
+const handlers = new Map<string, CommandHandler>()
+
+const registerCommand = (name: string, handler: CommandHandler) => {
+  handlers.set(name, handler)
+}
+
+const unregisterCommand = (name: string) => {
+  handlers.delete(name)
+}
+
+export const executeCommand = async (name: string, args?: Record<string, any>) => {
+  const handler = handlers.get(name)
+  if (!handler)
+    return
+  await handler(args)
+}
+
+export const registerCommands = (map: Record<string, CommandHandler>) => {
+  Object.entries(map).forEach(([name, handler]) => registerCommand(name, handler))
+}
+
+export const unregisterCommands = (names: string[]) => {
+  names.forEach(unregisterCommand)
+}

dify/web/app/components/goto-anything/actions/commands/community.tsx

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+import type { SlashCommandHandler } from './types'
+import React from 'react'
+import { RiDiscordLine } from '@remixicon/react'
+import i18n from '@/i18n-config/i18next-config'
+import { registerCommands, unregisterCommands } from './command-bus'
+
+// Community command dependency types
+type CommunityDeps = Record<string, never>
+
+/**
+ * Community command - Opens Discord community
+ */
+export const communityCommand: SlashCommandHandler<CommunityDeps> = {
+  name: 'community',
+  description: 'Open community Discord',
+  mode: 'direct',
+
+  // Direct execution function
+  execute: () => {
+    const url = 'https://discord.gg/5AEfbxcd9k'
+    window.open(url, '_blank', 'noopener,noreferrer')
+  },
+
+  async search(args: string, locale: string = 'en') {
+    return [{
+      id: 'community',
+      title: i18n.t('common.userProfile.community', { lng: locale }),
+      description: i18n.t('app.gotoAnything.actions.communityDesc', { lng: locale }) || 'Open Discord community',
+      type: 'command' as const,
+      icon: (
+        <div className='flex h-6 w-6 items-center justify-center rounded-md border-[0.5px] border-divider-regular bg-components-panel-bg'>
+          <RiDiscordLine className='h-4 w-4 text-text-tertiary' />
+        </div>
+      ),
+      data: { command: 'navigation.community', args: { url: 'https://discord.gg/5AEfbxcd9k' } },
+    }]
+  },
+
+  register(_deps: CommunityDeps) {
+    registerCommands({
+      'navigation.community': async (args) => {
+        const url = args?.url || 'https://discord.gg/5AEfbxcd9k'
+        window.open(url, '_blank', 'noopener,noreferrer')
+      },
+    })
+  },
+
+  unregister() {
+    unregisterCommands(['navigation.community'])
+  },
+}

dify/web/app/components/goto-anything/actions/commands/docs.tsx

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+import type { SlashCommandHandler } from './types'
+import React from 'react'
+import { RiBookOpenLine } from '@remixicon/react'
+import i18n from '@/i18n-config/i18next-config'
+import { registerCommands, unregisterCommands } from './command-bus'
+import { defaultDocBaseUrl } from '@/context/i18n'
+import { getDocLanguage } from '@/i18n-config/language'
+
+// Documentation command dependency types - no external dependencies needed
+type DocDeps = Record<string, never>
+
+/**
+ * Documentation command - Opens help documentation
+ */
+export const docsCommand: SlashCommandHandler<DocDeps> = {
+  name: 'docs',
+  description: 'Open documentation',
+  mode: 'direct',
+
+  // Direct execution function
+  execute: () => {
+    const currentLocale = i18n.language
+    const docLanguage = getDocLanguage(currentLocale)
+    const url = `${defaultDocBaseUrl}/${docLanguage}`
+    window.open(url, '_blank', 'noopener,noreferrer')
+  },
+
+  async search(args: string, locale: string = 'en') {
+    return [{
+      id: 'doc',
+      title: i18n.t('common.userProfile.helpCenter', { lng: locale }),
+      description: i18n.t('app.gotoAnything.actions.docDesc', { lng: locale }) || 'Open help documentation',
+      type: 'command' as const,
+      icon: (
+        <div className='flex h-6 w-6 items-center justify-center rounded-md border-[0.5px] border-divider-regular bg-components-panel-bg'>
+          <RiBookOpenLine className='h-4 w-4 text-text-tertiary' />
+        </div>
+      ),
+      data: { command: 'navigation.doc', args: {} },
+    }]
+  },
+
+  register(_deps: DocDeps) {
+    registerCommands({
+      'navigation.doc': async (_args) => {
+        // Get the current language from i18n
+        const currentLocale = i18n.language
+        const docLanguage = getDocLanguage(currentLocale)
+        const url = `${defaultDocBaseUrl}/${docLanguage}`
+        window.open(url, '_blank', 'noopener,noreferrer')
+      },
+    })
+  },
+
+  unregister() {
+    unregisterCommands(['navigation.doc'])
+  },
+}

dify/web/app/components/goto-anything/actions/commands/forum.tsx

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+import type { SlashCommandHandler } from './types'
+import React from 'react'
+import { RiFeedbackLine } from '@remixicon/react'
+import i18n from '@/i18n-config/i18next-config'
+import { registerCommands, unregisterCommands } from './command-bus'
+
+// Forum command dependency types
+type ForumDeps = Record<string, never>
+
+/**
+ * Forum command - Opens Dify community forum
+ */
+export const forumCommand: SlashCommandHandler<ForumDeps> = {
+  name: 'forum',
+  description: 'Open Dify community forum',
+  mode: 'direct',
+
+  // Direct execution function
+  execute: () => {
+    const url = 'https://forum.dify.ai'
+    window.open(url, '_blank', 'noopener,noreferrer')
+  },
+
+  async search(args: string, locale: string = 'en') {
+    return [{
+      id: 'forum',
+      title: i18n.t('common.userProfile.forum', { lng: locale }),
+      description: i18n.t('app.gotoAnything.actions.feedbackDesc', { lng: locale }) || 'Open community feedback discussions',
+      type: 'command' as const,
+      icon: (
+        <div className='flex h-6 w-6 items-center justify-center rounded-md border-[0.5px] border-divider-regular bg-components-panel-bg'>
+          <RiFeedbackLine className='h-4 w-4 text-text-tertiary' />
+        </div>
+      ),
+      data: { command: 'navigation.forum', args: { url: 'https://forum.dify.ai' } },
+    }]
+  },
+
+  register(_deps: ForumDeps) {
+    registerCommands({
+      'navigation.forum': async (args) => {
+        const url = args?.url || 'https://forum.dify.ai'
+        window.open(url, '_blank', 'noopener,noreferrer')
+      },
+    })
+  },
+
+  unregister() {
+    unregisterCommands(['navigation.forum'])
+  },
+}

dify/web/app/components/goto-anything/actions/commands/index.ts

@@ -0,0 +1,15 @@
+// Command system exports
+export { slashAction } from './slash'
+export { registerSlashCommands, unregisterSlashCommands, SlashCommandProvider } from './slash'
+
+// Command registry system (for extending with custom commands)
+export { slashCommandRegistry, SlashCommandRegistry } from './registry'
+export type { SlashCommandHandler } from './types'
+
+// Command bus (for extending with custom commands)
+export {
+  executeCommand,
+  registerCommands,
+  unregisterCommands,
+  type CommandHandler,
+} from './command-bus'

dify/web/app/components/goto-anything/actions/commands/language.tsx

@@ -0,0 +1,54 @@
+import type { SlashCommandHandler } from './types'
+import type { CommandSearchResult } from '../types'
+import { languages } from '@/i18n-config/language'
+import i18n from '@/i18n-config/i18next-config'
+import { registerCommands, unregisterCommands } from './command-bus'
+
+// Language dependency types
+type LanguageDeps = {
+  setLocale?: (locale: string) => Promise<void>
+}
+
+const buildLanguageCommands = (query: string): CommandSearchResult[] => {
+  const q = query.toLowerCase()
+  const list = languages.filter(item => item.supported && (
+    !q || item.name.toLowerCase().includes(q) || String(item.value).toLowerCase().includes(q)
+  ))
+  return list.map(item => ({
+    id: `lang-${item.value}`,
+    title: item.name,
+    description: i18n.t('app.gotoAnything.actions.languageChangeDesc'),
+    type: 'command' as const,
+    data: { command: 'i18n.set', args: { locale: item.value } },
+  }))
+}
+
+/**
+ * Language command handler
+ * Integrates UI building, search, and registration logic
+ */
+export const languageCommand: SlashCommandHandler<LanguageDeps> = {
+  name: 'language',
+  aliases: ['lang'],
+  description: 'Switch between different languages',
+  mode: 'submenu', // Explicitly set submenu mode
+
+  async search(args: string, _locale: string = 'en') {
+    // Return language options directly, regardless of parameters
+    return buildLanguageCommands(args)
+  },
+
+  register(deps: LanguageDeps) {
+    registerCommands({
+      'i18n.set': async (args) => {
+        const locale = args?.locale
+        if (locale)
+          await deps.setLocale?.(locale)
+      },
+    })
+  },
+
+  unregister() {
+    unregisterCommands(['i18n.set'])
+  },
+}

dify/web/app/components/goto-anything/actions/commands/registry.ts

@@ -0,0 +1,233 @@
+import type { SlashCommandHandler } from './types'
+import type { CommandSearchResult } from '../types'
+
+/**
+ * Slash Command Registry System
+ * Responsible for managing registration, lookup, and search of all slash commands
+ */
+export class SlashCommandRegistry {
+  private commands = new Map<string, SlashCommandHandler>()
+  private commandDeps = new Map<string, any>()
+
+  /**
+   * Register command handler
+   */
+  register<TDeps = any>(handler: SlashCommandHandler<TDeps>, deps?: TDeps) {
+    // Register main command name
+    this.commands.set(handler.name, handler)
+
+    // Register aliases
+    if (handler.aliases) {
+      handler.aliases.forEach((alias) => {
+        this.commands.set(alias, handler)
+      })
+    }
+
+    // Store dependencies and call registration method
+    if (deps) {
+      this.commandDeps.set(handler.name, deps)
+      handler.register?.(deps)
+    }
+  }
+
+  /**
+   * Unregister command
+   */
+  unregister(name: string) {
+    const handler = this.commands.get(name)
+    if (handler) {
+      // Call the command's unregister method
+      handler.unregister?.()
+
+      // Remove dependencies
+      this.commandDeps.delete(handler.name)
+
+      // Remove main command name
+      this.commands.delete(handler.name)
+
+      // Remove all aliases
+      if (handler.aliases) {
+        handler.aliases.forEach((alias) => {
+          this.commands.delete(alias)
+        })
+      }
+    }
+  }
+
+  /**
+   * Find command handler
+   */
+  findCommand(commandName: string): SlashCommandHandler | undefined {
+    return this.commands.get(commandName)
+  }
+
+  /**
+   * Smart partial command matching
+   * Prioritize alias matching, then match command name prefix
+   */
+  private findBestPartialMatch(partialName: string): SlashCommandHandler | undefined {
+    const lowerPartial = partialName.toLowerCase()
+
+    // First check if any alias starts with this
+    const aliasMatch = this.findHandlerByAliasPrefix(lowerPartial)
+    if (aliasMatch)
+      return aliasMatch
+
+    // Then check if command name starts with this
+    return this.findHandlerByNamePrefix(lowerPartial)
+  }
+
+  /**
+   * Find handler by alias prefix
+   */
+  private findHandlerByAliasPrefix(prefix: string): SlashCommandHandler | undefined {
+    for (const handler of this.getAllCommands()) {
+      if (handler.aliases?.some(alias => alias.toLowerCase().startsWith(prefix)))
+        return handler
+    }
+    return undefined
+  }
+
+  /**
+   * Find handler by name prefix
+   */
+  private findHandlerByNamePrefix(prefix: string): SlashCommandHandler | undefined {
+    return this.getAllCommands().find(handler =>
+      handler.name.toLowerCase().startsWith(prefix),
+    )
+  }
+
+  /**
+   * Get all registered commands (deduplicated)
+   */
+  getAllCommands(): SlashCommandHandler[] {
+    const uniqueCommands = new Map<string, SlashCommandHandler>()
+    this.commands.forEach((handler) => {
+      uniqueCommands.set(handler.name, handler)
+    })
+    return Array.from(uniqueCommands.values())
+  }
+
+  /**
+   * Search commands
+   * @param query Full query (e.g., "/theme dark" or "/lang en")
+   * @param locale Current language
+   */
+  async search(query: string, locale: string = 'en'): Promise<CommandSearchResult[]> {
+    const trimmed = query.trim()
+
+    // Handle root level search "/"
+    if (trimmed === '/' || !trimmed.replace('/', '').trim())
+      return await this.getRootCommands()
+
+    // Parse command and arguments
+    const afterSlash = trimmed.substring(1).trim()
+    const spaceIndex = afterSlash.indexOf(' ')
+    const commandName = spaceIndex === -1 ? afterSlash : afterSlash.substring(0, spaceIndex)
+    const args = spaceIndex === -1 ? '' : afterSlash.substring(spaceIndex + 1).trim()
+
+    // First try exact match
+    let handler = this.findCommand(commandName)
+    if (handler) {
+      try {
+        return await handler.search(args, locale)
+      }
+      catch (error) {
+        console.warn(`Command search failed for ${commandName}:`, error)
+        return []
+      }
+    }
+
+    // If no exact match, try smart partial matching
+    handler = this.findBestPartialMatch(commandName)
+    if (handler) {
+      try {
+        return await handler.search(args, locale)
+      }
+      catch (error) {
+        console.warn(`Command search failed for ${handler.name}:`, error)
+        return []
+      }
+    }
+
+    // Finally perform fuzzy search
+    return this.fuzzySearchCommands(afterSlash)
+  }
+
+  /**
+   * Get root level command list
+   */
+  private async getRootCommands(): Promise<CommandSearchResult[]> {
+    const results: CommandSearchResult[] = []
+
+    // Generate a root level item for each command
+    for (const handler of this.getAllCommands()) {
+      results.push({
+        id: `root-${handler.name}`,
+        title: `/${handler.name}`,
+        description: handler.description,
+        type: 'command' as const,
+        data: {
+          command: `root.${handler.name}`,
+          args: { name: handler.name },
+        },
+      })
+    }
+
+    return results
+  }
+
+  /**
+   * Fuzzy search commands
+   */
+  private fuzzySearchCommands(query: string): CommandSearchResult[] {
+    const lowercaseQuery = query.toLowerCase()
+    const matches: CommandSearchResult[] = []
+
+    this.getAllCommands().forEach((handler) => {
+      // Check if command name matches
+      if (handler.name.toLowerCase().includes(lowercaseQuery)) {
+        matches.push({
+          id: `fuzzy-${handler.name}`,
+          title: `/${handler.name}`,
+          description: handler.description,
+          type: 'command' as const,
+          data: {
+            command: `root.${handler.name}`,
+            args: { name: handler.name },
+          },
+        })
+      }
+
+      // Check if aliases match
+      if (handler.aliases) {
+        handler.aliases.forEach((alias) => {
+          if (alias.toLowerCase().includes(lowercaseQuery)) {
+            matches.push({
+              id: `fuzzy-${alias}`,
+              title: `/${alias}`,
+              description: `${handler.description} (alias for /${handler.name})`,
+              type: 'command' as const,
+              data: {
+                command: `root.${handler.name}`,
+                args: { name: handler.name },
+              },
+            })
+          }
+        })
+      }
+    })
+
+    return matches
+  }
+
+  /**
+   * Get command dependencies
+   */
+  getCommandDependencies(commandName: string): any {
+    return this.commandDeps.get(commandName)
+  }
+}
+
+// Global registry instance
+export const slashCommandRegistry = new SlashCommandRegistry()

dify/web/app/components/goto-anything/actions/commands/slash.tsx

@@ -0,0 +1,64 @@
+'use client'
+import { useEffect } from 'react'
+import type { ActionItem } from '../types'
+import { slashCommandRegistry } from './registry'
+import { executeCommand } from './command-bus'
+import { useTheme } from 'next-themes'
+import { setLocaleOnClient } from '@/i18n-config'
+import { themeCommand } from './theme'
+import { languageCommand } from './language'
+import { forumCommand } from './forum'
+import { docsCommand } from './docs'
+import { communityCommand } from './community'
+import { accountCommand } from './account'
+import i18n from '@/i18n-config/i18next-config'
+
+export const slashAction: ActionItem = {
+  key: '/',
+  shortcut: '/',
+  title: i18n.t('app.gotoAnything.actions.slashTitle'),
+  description: i18n.t('app.gotoAnything.actions.slashDesc'),
+  action: (result) => {
+    if (result.type !== 'command') return
+    const { command, args } = result.data
+    executeCommand(command, args)
+  },
+  search: async (query, _searchTerm = '') => {
+    // Delegate all search logic to the command registry system
+    return slashCommandRegistry.search(query, i18n.language)
+  },
+}
+
+// Register/unregister default handlers for slash commands with external dependencies.
+export const registerSlashCommands = (deps: Record<string, any>) => {
+  // Register command handlers to the registry system with their respective dependencies
+  slashCommandRegistry.register(themeCommand, { setTheme: deps.setTheme })
+  slashCommandRegistry.register(languageCommand, { setLocale: deps.setLocale })
+  slashCommandRegistry.register(forumCommand, {})
+  slashCommandRegistry.register(docsCommand, {})
+  slashCommandRegistry.register(communityCommand, {})
+  slashCommandRegistry.register(accountCommand, {})
+}
+
+export const unregisterSlashCommands = () => {
+  // Remove command handlers from registry system (automatically calls each command's unregister method)
+  slashCommandRegistry.unregister('theme')
+  slashCommandRegistry.unregister('language')
+  slashCommandRegistry.unregister('forum')
+  slashCommandRegistry.unregister('docs')
+  slashCommandRegistry.unregister('community')
+  slashCommandRegistry.unregister('account')
+}
+
+export const SlashCommandProvider = () => {
+  const theme = useTheme()
+  useEffect(() => {
+    registerSlashCommands({
+      setTheme: theme.setTheme,
+      setLocale: setLocaleOnClient,
+    })
+    return () => unregisterSlashCommands()
+  }, [theme.setTheme])
+
+  return null
+}

dify/web/app/components/goto-anything/actions/commands/theme.tsx

@@ -0,0 +1,81 @@
+import type { SlashCommandHandler } from './types'
+import type { CommandSearchResult } from '../types'
+import type { ReactNode } from 'react'
+import React from 'react'
+import { RiComputerLine, RiMoonLine, RiSunLine } from '@remixicon/react'
+import i18n from '@/i18n-config/i18next-config'
+import { registerCommands, unregisterCommands } from './command-bus'
+
+// Theme dependency types
+type ThemeDeps = {
+  setTheme?: (value: 'light' | 'dark' | 'system') => void
+}
+
+const THEME_ITEMS: { id: 'light' | 'dark' | 'system'; titleKey: string; descKey: string; icon: ReactNode }[] = [
+  {
+    id: 'system',
+    titleKey: 'app.gotoAnything.actions.themeSystem',
+    descKey: 'app.gotoAnything.actions.themeSystemDesc',
+    icon: <RiComputerLine className='h-4 w-4 text-text-tertiary' />,
+  },
+  {
+    id: 'light',
+    titleKey: 'app.gotoAnything.actions.themeLight',
+    descKey: 'app.gotoAnything.actions.themeLightDesc',
+    icon: <RiSunLine className='h-4 w-4 text-text-tertiary' />,
+  },
+  {
+    id: 'dark',
+    titleKey: 'app.gotoAnything.actions.themeDark',
+    descKey: 'app.gotoAnything.actions.themeDarkDesc',
+    icon: <RiMoonLine className='h-4 w-4 text-text-tertiary' />,
+  },
+]
+
+const buildThemeCommands = (query: string, locale?: string): CommandSearchResult[] => {
+  const q = query.toLowerCase()
+  const list = THEME_ITEMS.filter(item =>
+    !q
+    || i18n.t(item.titleKey, { lng: locale }).toLowerCase().includes(q)
+    || item.id.includes(q),
+  )
+  return list.map(item => ({
+    id: item.id,
+    title: i18n.t(item.titleKey, { lng: locale }),
+    description: i18n.t(item.descKey, { lng: locale }),
+    type: 'command' as const,
+    icon: (
+      <div className='flex h-6 w-6 items-center justify-center rounded-md border-[0.5px] border-divider-regular bg-components-panel-bg'>
+        {item.icon}
+      </div>
+    ),
+    data: { command: 'theme.set', args: { value: item.id } },
+  }))
+}
+
+/**
+ * Theme command handler
+ * Integrates UI building, search, and registration logic
+ */
+export const themeCommand: SlashCommandHandler<ThemeDeps> = {
+  name: 'theme',
+  description: 'Switch between light and dark themes',
+  mode: 'submenu', // Explicitly set submenu mode
+
+  async search(args: string, locale: string = 'en') {
+    // Return theme options directly, regardless of parameters
+    return buildThemeCommands(args, locale)
+  },
+
+  register(deps: ThemeDeps) {
+    registerCommands({
+      'theme.set': async (args) => {
+        deps.setTheme?.(args?.value)
+      },
+    })
+  },
+
+  unregister() {
+    unregisterCommands(['theme.set'])
+  },
+}

dify/web/app/components/goto-anything/actions/commands/types.ts

@@ -0,0 +1,46 @@
+import type { CommandSearchResult } from '../types'
+
+/**
+ * Slash command handler interface
+ * Each slash command should implement this interface
+ */
+export type SlashCommandHandler<TDeps = any> = {
+  /** Command name (e.g., 'theme', 'language') */
+  name: string
+
+  /** Command alias list (e.g., ['lang'] for language) */
+  aliases?: string[]
+
+  /** Command description */
+  description: string
+
+  /**
+   * Command mode:
+   * - 'direct': Execute immediately when selected (e.g., /docs, /community)
+   * - 'submenu': Show submenu options (e.g., /theme, /language)
+   */
+  mode?: 'direct' | 'submenu'
+
+  /**
+   * Direct execution function for 'direct' mode commands
+   * Called when the command is selected and should execute immediately
+   */
+  execute?: () => void | Promise<void>
+
+  /**
+   * Search command results (for 'submenu' mode or showing options)
+   * @param args Command arguments (part after removing command name)
+   * @param locale Current language
+   */
+  search: (args: string, locale?: string) => Promise<CommandSearchResult[]>
+
+  /**
+   * Called when registering command, passing external dependencies
+   */
+  register?: (deps: TDeps) => void
+
+  /**
+   * Called when unregistering command
+   */
+  unregister?: () => void
+}