Add workspace-scoped ignore patterns configuration with UI integration

Author: robertpiosik

packages/vscode/package.json

@@ -616,6 +616,7 @@
         },
         "codeWebChat.ignorePatterns": {
           "type": "array",
+          "scope": "resource",
           "items": {
             "type": "string"
           }

packages/vscode/src/views/settings/backend/message-handlers/handle-open-ignore-patterns-settings.ts

@@ -0,0 +1,93 @@
+import * as vscode from 'vscode'
+import * as path from 'path'
+
+export const handle_open_ignore_patterns_settings = async (): Promise<void> => {
+  const workspaceFolders = vscode.workspace.workspaceFolders
+  if (!workspaceFolders || workspaceFolders.length === 0) {
+    return
+  }
+
+  let selectedFolder: vscode.WorkspaceFolder | undefined
+
+  if (workspaceFolders.length > 1) {
+    const items = workspaceFolders.map((f) => ({ label: f.name, folder: f }))
+    selectedFolder = await new Promise<vscode.WorkspaceFolder | undefined>(
+      (resolve) => {
+        const quick_pick = vscode.window.createQuickPick<(typeof items)[0]>()
+        quick_pick.items = items
+        quick_pick.title = 'Workspaces'
+        quick_pick.placeholder =
+          'Select workspace folder to configure ignore patterns'
+        const close_button: vscode.QuickInputButton = {
+          iconPath: new vscode.ThemeIcon('close'),
+          tooltip: 'Close'
+        }
+        quick_pick.buttons = [close_button]
+        let is_accepted = false
+        const disposables: vscode.Disposable[] = []
+        const cleanup = () => {
+          disposables.forEach((d) => d.dispose())
+          quick_pick.dispose()
+        }
+        disposables.push(
+          quick_pick.onDidAccept(() => {
+            is_accepted = true
+            const selected = quick_pick.selectedItems[0]
+            resolve(selected?.folder)
+            quick_pick.hide()
+          }),
+          quick_pick.onDidTriggerButton((button) => {
+            if (button === close_button) {
+              quick_pick.hide()
+            }
+          }),
+          quick_pick.onDidHide(() => {
+            if (!is_accepted) {
+              resolve(undefined)
+            }
+            cleanup()
+          })
+        )
+        quick_pick.show()
+      }
+    )
+  } else {
+    selectedFolder = workspaceFolders[0]
+  }
+
+  if (!selectedFolder) {
+    return
+  }
+
+  // Ensure key exists
+  const config = vscode.workspace.getConfiguration(
+    'codeWebChat',
+    selectedFolder.uri
+  )
+  const inspect = config.inspect('ignorePatterns')
+
+  if (inspect?.workspaceFolderValue === undefined) {
+    await config.update(
+      'ignorePatterns',
+      [],
+      vscode.ConfigurationTarget.WorkspaceFolder
+    )
+  }
+
+  // Open the file
+  const settingsPath = path.join(
+    selectedFolder.uri.fsPath,
+    '.vscode',
+    'settings.json'
+  )
+  const settingsUri = vscode.Uri.file(settingsPath)
+
+  try {
+    const doc = await vscode.workspace.openTextDocument(settingsUri)
+    await vscode.window.showTextDocument(doc)
+  } catch (e) {
+    vscode.window.showErrorMessage(
+      `Could not open settings file at ${settingsPath}`
+    )
+  }
+}

packages/vscode/src/views/settings/backend/message-handlers/index.ts

@@ -37,3 +37,4 @@ export * from './handle-get-are-automatic-checkpoints-disabled'
 export * from './handle-update-are-automatic-checkpoints-disabled'
 export * from './handle-get-checkpoint-lifespan'
 export * from './handle-upsert-configuration'
+export * from './handle-open-ignore-patterns-settings'

packages/vscode/src/views/settings/backend/settings-provider.ts

@@ -42,7 +42,8 @@ import {
   handle_update_edit_context_system_instructions,
   handle_update_edit_format_instructions,
   handle_update_gemini_user_id,
-  handle_upsert_configuration
+  handle_upsert_configuration,
+  handle_open_ignore_patterns_settings
 } from './message-handlers'
 
 export class SettingsProvider {
@@ -218,6 +219,8 @@ export class SettingsProvider {
             )
         } else if (message.command == 'OPEN_EDITOR_SETTINGS') {
           await vscode.commands.executeCommand('workbench.action.openSettings')
+        } else if (message.command == 'OPEN_IGNORE_PATTERNS_SETTINGS') {
+          await handle_open_ignore_patterns_settings()
         } else if (message.command == 'UPSERT_CONFIGURATION') {
           await handle_upsert_configuration(this, message)
         }

packages/vscode/src/views/settings/frontend/Home/Home.tsx

@@ -103,6 +103,7 @@ type Props = {
     value: 'ignore-open-editors' | 'uncheck-all'
   ) => void
   on_open_editor_settings: () => void
+  on_open_ignore_patterns_settings: () => void
   on_add_provider: () => void
   on_delete_provider: (provider_name: string) => void
   on_edit_provider: (provider_name: string) => void
@@ -305,6 +306,9 @@ export const Home: React.FC<Props> = (props) => {
           checkpoint_lifespan={props.checkpoint_lifespan}
           on_checkpoint_lifespan_change={props.on_checkpoint_lifespan_change}
           on_open_editor_settings={props.on_open_editor_settings}
+          on_open_ignore_patterns_settings={
+            props.on_open_ignore_patterns_settings
+          }
           on_stuck_change={general_on_stuck_change}
         />
         <PresetsSection

packages/vscode/src/views/settings/frontend/Home/sections/GeneralSection.tsx

@@ -32,6 +32,7 @@ type Props = {
     instructions: EditFormatInstructions
   ) => void
   on_open_editor_settings: () => void
+  on_open_ignore_patterns_settings: () => void
   on_stuck_change: (is_stuck: boolean) => void
 }
 
@@ -98,6 +99,15 @@ export const GeneralSection = forwardRef<HTMLDivElement, Props>(
               </TextButton>
             }
           />
+          <Item
+            title="Ignore patterns"
+            description="Glob patterns that you don't want to place in .gitignore files."
+            slot={
+              <TextButton on_click={props.on_open_ignore_patterns_settings}>
+                Open settings file
+              </TextButton>
+            }
+          />
           <Item
             title="Context Size Warning Threshold"
             description="Set the token count threshold for showing a warning about large context sizes."

packages/vscode/src/views/settings/frontend/Settings.tsx

@@ -112,6 +112,9 @@ export const Settings = () => {
       }
       on_gemini_user_id_change={settings_hook.handle_gemini_user_id_change}
       on_open_editor_settings={settings_hook.handle_open_editor_settings}
+      on_open_ignore_patterns_settings={
+        settings_hook.handle_open_ignore_patterns_settings
+      }
       on_reorder_providers={settings_hook.handle_reorder_providers}
       on_add_provider={settings_hook.handle_add_provider}
       on_delete_provider={settings_hook.handle_delete_provider}

packages/vscode/src/views/settings/frontend/hooks/use-settings.ts

@@ -242,6 +242,9 @@ export const use_settings = (vscode: any) => {
   const handle_open_editor_settings = () =>
     post_message(vscode, { command: 'OPEN_EDITOR_SETTINGS' })
 
+  const handle_open_ignore_patterns_settings = () =>
+    post_message(vscode, { command: 'OPEN_IGNORE_PATTERNS_SETTINGS' })
+
   const handle_context_size_warning_threshold_change = (threshold: number) =>
     post_message(vscode, {
       command: 'UPDATE_CONTEXT_SIZE_WARNING_THRESHOLD',
@@ -317,6 +320,7 @@ export const use_settings = (vscode: any) => {
     handle_commit_message_auto_accept_after_change,
     handle_edit_context_system_instructions_change,
     handle_open_editor_settings,
+    handle_open_ignore_patterns_settings,
     handle_context_size_warning_threshold_change,
     handle_edit_format_instructions_change,
     handle_automatic_checkpoints_toggle,

packages/vscode/src/views/settings/types/messages.ts

@@ -171,6 +171,10 @@ export interface OpenEditorSettingsMessage {
   command: 'OPEN_EDITOR_SETTINGS'
 }
 
+export interface OpenIgnorePatternsSettingsMessage {
+  command: 'OPEN_IGNORE_PATTERNS_SETTINGS'
+}
+
 export interface GetContextSizeWarningThresholdMessage {
   command: 'GET_CONTEXT_SIZE_WARNING_THRESHOLD'
 }
@@ -265,6 +269,7 @@ export type FrontendMessage =
   | UpdateClearChecksInWorkspaceBehaviorMessage
   | UpsertConfigurationMessage
   | OpenEditorSettingsMessage
+  | OpenIgnorePatternsSettingsMessage
 
 // === FROM BACKEND TO FRONTEND ===
 export interface ModelProvidersMessage {