feat(core): add command registry (#30624)

packages/core/src/config/plugin/command.ts

@@ -0,0 +1,82 @@
+export * as ConfigCommandPlugin from "./command"
+
+import path from "path"
+import { Effect, Option, Schema } from "effect"
+import { CommandV2 } from "../../command"
+import { Config } from "../../config"
+import { FSUtil } from "../../fs-util"
+import { ModelV2 } from "../../model"
+import { PluginV2 } from "../../plugin"
+import { ConfigCommand } from "../command"
+import { ConfigMarkdown } from "../markdown"
+
+const decodeCommand = Schema.decodeUnknownOption(ConfigCommand.Info)
+
+export const Plugin = PluginV2.define({
+  id: PluginV2.ID.make("config-command"),
+  effect: Effect.gen(function* () {
+    const command = yield* CommandV2.Service
+    const config = yield* Config.Service
+    const fs = yield* FSUtil.Service
+    const transform = yield* command.transform()
+    const documents = yield* Effect.forEach(yield* config.entries(), (entry) => {
+      if (entry.type === "document") return Effect.succeed([{ commands: entry.info.commands }])
+      return loadDirectory(fs, entry.path).pipe(
+        Effect.map((commands) => [{ commands: Object.fromEntries(commands.map((command) => [command.name, command.info])) }]),
+      )
+    }).pipe(Effect.map((documents) => documents.flat()))
+
+    yield* transform((editor) => {
+      for (const document of documents) {
+        for (const [name, command] of Object.entries(document.commands ?? {})) {
+          editor.update(name, (item) => {
+            item.template = command.template
+            if (command.description !== undefined) item.description = command.description
+            if (command.agent !== undefined) item.agent = command.agent
+            if (command.model !== undefined) {
+              const model = ModelV2.parse(command.model)
+              item.model = { id: model.modelID, providerID: model.providerID, variant: item.model?.variant }
+            }
+            if (command.variant !== undefined && item.model !== undefined) {
+              item.model.variant = ModelV2.VariantID.make(command.variant)
+            }
+            if (command.subtask !== undefined) item.subtask = command.subtask
+          })
+        }
+      }
+    })
+  }),
+})
+
+function loadDirectory(fs: FSUtil.Interface, directory: string) {
+  return Effect.gen(function* () {
+    const files = yield* fs
+      .glob("{command,commands}/**/*.md", { cwd: directory, absolute: true, dot: true, symlink: true })
+      .pipe(Effect.catch(() => Effect.succeed([] as string[])))
+    return yield* Effect.forEach(files.toSorted(), (filepath) =>
+      fs.readFileStringSafe(filepath).pipe(
+        Effect.map((content) => (content === undefined ? undefined : decode(directory, filepath, content))),
+        Effect.catch(() => Effect.succeed(undefined)),
+      ),
+    ).pipe(
+      Effect.map((commands) =>
+        commands.filter((command): command is { name: string; info: ConfigCommand.Info } => command !== undefined),
+      ),
+    )
+  })
+}
+
+function decode(directory: string, filepath: string, content: string) {
+  const markdown = ConfigMarkdown.parseOption(content)
+  if (!markdown) return
+  const info = Option.getOrUndefined(decodeCommand({ ...markdown.data, template: markdown.content.trim() }))
+  if (!info) return
+  return {
+    name: path
+      .relative(directory, filepath)
+      .replaceAll("\\", "/")
+      .replace(/^(command|commands)\//, "")
+      .replace(/\.md$/, ""),
+    info,
+  }
+}