feat: add useLmTools

Author: kermanx

packages/core/src/composables/index.ts

@@ -25,6 +25,7 @@ export * from './useFsWatcher'
 export * from './useIsDarkTheme'
 export * from './useIsTelemetryEnabled'
 export * from './useL10nText'
+export * from './useLmTools'
 export * from './useLogger'
 export * from './useLogLevel'
 export * from './useNotebookEditorSelection'

packages/core/src/composables/useLmTools.ts

@@ -0,0 +1,20 @@
+import { computed, shallowRef } from '@reactive-vscode/reactivity'
+import { lm } from 'vscode'
+import { createSingletonComposable } from '../utils'
+import { useDisposable } from './useDisposable'
+
+/**
+ * A list of all available tools that were registered by all extensions using `vscode::lm.registerTool`.
+ *
+ * @reactive `lm.tools`
+ * @category lm
+ */
+export const useLmTools = createSingletonComposable(() => {
+  const tools = shallowRef(lm.tools)
+
+  useDisposable(lm.onDidChangeChatModels(() => {
+    tools.value = lm.tools
+  }))
+
+  return computed(() => tools.value)
+})