feat(core): expose workspace adaptors to plugins (#21927)

packages/plugin/src/example-workspace.ts

@@ -0,0 +1,34 @@
+import type { Plugin } from "@opencode-ai/plugin"
+import { mkdir, rm } from "node:fs/promises"
+
+export const FolderWorkspacePlugin: Plugin = async ({ experimental_workspace }) => {
+  experimental_workspace.register("folder", {
+    name: "Folder",
+    description: "Create a blank folder",
+    configure(config) {
+      const rand = "" + Math.random()
+
+      return {
+        ...config,
+        directory: `/tmp/folder/folder-${rand}`,
+      }
+    },
+    async create(config) {
+      if (!config.directory) return
+      await mkdir(config.directory, { recursive: true })
+    },
+    async remove(config) {
+      await rm(config.directory!, { recursive: true, force: true })
+    },
+    target(config) {
+      return {
+        type: "local",
+        directory: config.directory!,
+      }
+    },
+  })
+
+  return {}
+}
+
+export default FolderWorkspacePlugin

packages/plugin/src/index.ts

@@ -24,11 +24,44 @@ export type ProviderContext = {
   options: Record<string, any>
 }
 
+export type WorkspaceInfo = {
+  id: string
+  type: string
+  name: string
+  branch: string | null
+  directory: string | null
+  extra: unknown | null
+  projectID: string
+}
+
+export type WorkspaceTarget =
+  | {
+      type: "local"
+      directory: string
+    }
+  | {
+      type: "remote"
+      url: string | URL
+      headers?: HeadersInit
+    }
+
+export type WorkspaceAdaptor = {
+  name: string
+  description: string
+  configure(config: WorkspaceInfo): WorkspaceInfo | Promise<WorkspaceInfo>
+  create(config: WorkspaceInfo, from?: WorkspaceInfo): Promise<void>
+  remove(config: WorkspaceInfo): Promise<void>
+  target(config: WorkspaceInfo): WorkspaceTarget | Promise<WorkspaceTarget>
+}
+
 export type PluginInput = {
   client: ReturnType<typeof createOpencodeClient>
   project: Project
   directory: string
   worktree: string
+  experimental_workspace: {
+    register(type: string, adaptor: WorkspaceAdaptor): void
+  }
   serverUrl: URL
   $: BunShell
 }

packages/plugin/tsconfig.json

@@ -2,6 +2,7 @@
   "$schema": "https://json.schemastore.org/tsconfig.json",
   "extends": "@tsconfig/node22/tsconfig.json",
   "compilerOptions": {
+    "rootDir": "src",
     "outDir": "dist",
     "module": "nodenext",
     "declaration": true,