opencode/packages/core/src/plugin/supervisor.ts
2026-07-09 00:13:48 -05:00

377 lines
14 KiB
TypeScript

export * as PluginSupervisor from "./supervisor"
import type { Plugin } from "@opencode-ai/plugin/v2/effect/plugin"
import { Event } from "@opencode-ai/schema/config"
import { Context, Deferred, Effect, Layer, Option, Schema, Semaphore, Stream } from "effect"
import path from "path"
import { fileURLToPath, pathToFileURL } from "url"
import { AgentV2 } from "../agent"
import { Catalog } from "../catalog"
import { CommandV2 } from "../command"
import { Config } from "../config"
import { ConfigPlugin } from "../config/plugin"
import { makeLocationNode } from "../effect/app-node"
import { httpClient } from "../effect/app-node-platform"
import { EventV2 } from "../event"
import { FileMutation } from "../file-mutation"
import { FileSystem } from "../filesystem"
import { Form } from "../form"
import { FSUtil } from "../fs-util"
import { Global } from "../global"
import { Image } from "../image"
import { Integration } from "../integration"
import { Location } from "../location"
import { LocationMutation } from "../location-mutation"
import { ModelsDev } from "../models-dev"
import { Npm } from "../npm"
import { PermissionV2 } from "../permission"
import { PluginV2 } from "../plugin"
import { PluginPromise } from "../plugin/promise"
import { Reference } from "../reference"
import { Ripgrep } from "../ripgrep"
import { SessionInstructions } from "../session/instructions"
import { Shell } from "../shell"
import { SkillV2 } from "../skill"
import { ReadToolFileSystem } from "../tool/read-filesystem"
import { ToolRegistry } from "../tool/registry"
import { WebSearchTool } from "../tool/websearch"
import { PluginInternal } from "./internal"
import { PluginRuntime } from "./runtime"
import { SdkPlugins } from "./sdk"
const PluginModule = Schema.Struct({
default: Schema.Union([
Schema.Struct({
id: Schema.String,
effect: Schema.declare<Plugin["effect"]>((input): input is Plugin["effect"] => typeof input === "function"),
}),
Schema.Struct({
id: Schema.String,
setup: Schema.declare<Parameters<typeof PluginPromise.fromPromise>[0]["setup"]>(
(input): input is Parameters<typeof PluginPromise.fromPromise>[0]["setup"] => typeof input === "function",
),
}),
]),
})
const PluginPackage = Schema.Struct({
exports: Schema.optional(Schema.Unknown),
main: Schema.optional(Schema.String),
module: Schema.optional(Schema.String),
})
type Operation =
| {
readonly type: "add"
readonly target: string
readonly options: Record<string, unknown>
readonly mtime?: number
}
| {
readonly type: "remove"
readonly target: string
}
type Candidate =
| {
readonly type: "definition"
readonly definition: Plugin
}
| {
readonly type: "package"
readonly specifier: string
readonly options: Record<string, unknown>
readonly mtime?: number
}
type ConfiguredPackage = {
readonly operation: Extract<Operation, { type: "add" }>
enabled: boolean
}
function parse(input: ConfigPlugin.Plugin): Operation {
if (typeof input !== "string") {
return { type: "add", target: input.package, options: input.options ?? {} }
}
if (!input.startsWith("-")) return { type: "add", target: input, options: {} }
if (input.length === 1) throw new Error("Plugin remove operation requires a target")
return { type: "remove", target: input.slice(1) }
}
const scan = Effect.fn("PluginSupervisor.scan")(function* (entries: readonly Config.Entry[]) {
const fs = yield* FSUtil.Service
const location = yield* Location.Service
const discovered = yield* Effect.forEach(
entries.filter((entry): entry is Config.Directory => entry.type === "directory"),
(entry) => discoverDirectory(fs, entry.path),
).pipe(Effect.map((items) => items.flat()))
const configured = entries
.filter((entry): entry is Config.Document => entry.type === "document")
.flatMap((entry) =>
(entry.info.plugins ?? []).map(parse).map((operation) => {
const directory = entry.path ? path.dirname(entry.path) : location.directory
const target = operation.target.startsWith("file://")
? fileURLToPath(operation.target)
: operation.target.startsWith("./") || operation.target.startsWith("../")
? path.resolve(directory, operation.target)
: operation.target
return operation.type === "add" ? { ...operation, target } : { type: "remove" as const, target }
}),
)
// Explicit config is applied last so it can remove auto-discovered packages.
return yield* Effect.forEach([...discovered, ...configured], (operation) => {
if (operation.type === "remove" || !path.isAbsolute(operation.target)) return Effect.succeed(operation)
return fs.stat(operation.target).pipe(
Effect.map((info) => ({
...operation,
mtime: Option.getOrElse(info.mtime, () => new Date(0)).getTime(),
})),
Effect.catch(() => Effect.succeed(operation)),
)
})
})
const resolve = Effect.fn("PluginSupervisor.resolve")(function* (
pre: readonly Plugin[],
post: readonly Plugin[],
operations: readonly Operation[],
) {
const plan = apply(pre, post, operations)
return yield* load(plan)
})
function apply(pre: readonly Plugin[], post: readonly Plugin[], operations: readonly Operation[]) {
const matches = (selector: string, target: string) =>
selector === "*" || (selector.endsWith(".*") ? target.startsWith(selector.slice(0, -1)) : selector === target)
const plugins = [...pre, ...post]
const enabled = new Set(plugins.map((plugin) => plugin.id))
const packages = new Map<string, ConfiguredPackage>()
for (const operation of operations) {
if (operation.type === "remove") {
plugins.filter((plugin) => matches(operation.target, plugin.id)).forEach((plugin) => enabled.delete(plugin.id))
packages.forEach((item, target) => {
if (matches(operation.target, target)) item.enabled = false
})
continue
}
const matched = plugins.filter((plugin) => matches(operation.target, plugin.id))
const selectsDefinitions =
matched.length > 0 ||
operation.target === "*" ||
operation.target.endsWith(".*") ||
operation.target.startsWith("opencode.")
if (selectsDefinitions) {
matched.forEach((plugin) => enabled.add(plugin.id))
packages.forEach((item, target) => {
if (matches(operation.target, target)) item.enabled = true
})
continue
}
packages.set(operation.target, { operation, enabled: true })
}
const definitions: Candidate[] = pre.flatMap((definition) =>
enabled.has(definition.id) ? [{ type: "definition", definition }] : [],
)
const configured: Candidate[] = Array.from(packages.values()).flatMap((item) =>
item.enabled
? [
{
type: "package",
specifier: item.operation.target,
options: item.operation.options,
...(item.operation.mtime === undefined ? {} : { mtime: item.operation.mtime }),
},
]
: [],
)
const posts: Candidate[] = post.flatMap((definition) =>
enabled.has(definition.id) ? [{ type: "definition", definition }] : [],
)
return [...definitions, ...configured, ...posts]
}
const load = Effect.fn("PluginSupervisor.load")(function* (plan: readonly Candidate[]) {
return yield* Effect.forEach(plan, (candidate) => {
if (candidate.type === "definition") return Effect.succeed({ plugin: candidate.definition })
return Effect.gen(function* () {
const npm = yield* Npm.Service
const entrypoint = path.isAbsolute(candidate.specifier)
? pathToFileURL(candidate.specifier).href
: (yield* npm.add(candidate.specifier)).entrypoint
if (!entrypoint) return
// Bun currently ignores query parameters when caching file:// imports.
const source =
candidate.mtime === undefined
? entrypoint
: `${candidate.specifier.replaceAll("\\", "/")}?mtime=${candidate.mtime}`
yield* Effect.log({ msg: "loading plugin", id: candidate.specifier, entrypoint: source })
const mod = yield* Effect.promise(() => import(source))
const value = (yield* Schema.decodeUnknownEffect(PluginModule)(mod)).default
const plugin = "effect" in value ? value : PluginPromise.fromPromise(value)
return {
plugin: {
id: plugin.id,
effect: (host) => plugin.effect({ ...host, options: candidate.options }),
} satisfies Plugin,
...(candidate.mtime === undefined ? {} : { version: String(candidate.mtime) }),
}
}).pipe(Effect.catchCause(() => Effect.succeed(undefined)))
}).pipe(Effect.map((plugins) => plugins.filter((plugin) => plugin !== undefined)))
})
function discoverDirectory(fs: FSUtil.Interface, directory: string) {
return Effect.gen(function* () {
const files = yield* fs
.glob("{plugin,plugins}/*.{ts,js}", {
cwd: directory,
absolute: true,
include: "file",
dot: true,
symlink: true,
})
.pipe(Effect.orElseSucceed(() => []))
const directories = yield* fs
.glob("{plugin,plugins}/*", {
cwd: directory,
absolute: true,
include: "all",
dot: true,
symlink: true,
})
.pipe(
Effect.flatMap((items) => Effect.filter(items, (item) => fs.isDir(item), { concurrency: "unbounded" })),
Effect.orElseSucceed(() => []),
)
const packages = yield* Effect.forEach(directories.sort(), (directory) => resolvePackageEntrypoint(fs, directory), {
concurrency: "unbounded",
}).pipe(Effect.map((items) => items.filter((item): item is string => item !== undefined)))
return [...files.sort(), ...packages].map((target): Operation => ({ type: "add", target, options: {} }))
})
}
const resolvePackageEntrypoint = Effect.fnUntraced(function* (fs: FSUtil.Interface, directory: string) {
const pkg = yield* fs.readJson(path.join(directory, "package.json")).pipe(
Effect.flatMap(Schema.decodeUnknownEffect(PluginPackage)),
Effect.catch(() => Effect.succeed(undefined)),
)
const exported = typeof pkg?.exports === "string" ? pkg.exports : undefined
const entries = [exported, pkg?.module, pkg?.main, "index.ts", "index.js"]
return yield* Effect.forEach(entries, (entry) => {
if (!entry) return Effect.succeed(undefined)
const file = path.resolve(directory, entry)
return fs.isFile(file).pipe(Effect.map((exists) => (exists ? file : undefined)))
}).pipe(Effect.map((items) => items.find((item): item is string => item !== undefined)))
})
export interface Interface {
/** Wait for the initial plugin generation and startup updates to settle. */
readonly flush: Effect.Effect<void>
}
export class Service extends Context.Service<Service, Interface>()("@opencode/PluginSupervisor") {}
const layer = Layer.effect(
Service,
Effect.gen(function* () {
const registry = yield* PluginV2.Service
const sdk = yield* SdkPlugins.Service
const config = yield* Config.Service
const events = yield* EventV2.Service
const lock = Semaphore.makeUnsafe(1)
const ready = yield* Deferred.make<void>()
let observed = 0
let applied = -1
const activate = Effect.fn("PluginSupervisor.activate")(function* (target: number) {
yield* lock.withPermit(
Effect.gen(function* () {
if (applied >= target) return
// Resolve OpenCode's internal plugins with their privileged Location services.
const internal = yield* PluginInternal.list()
// Combine internal plugins with host-contributed SDK plugins in boot order.
const pre = [...internal.pre, ...sdk.all()]
const operations = yield* scan(yield* config.entries())
// Apply config operations and load enabled package plugins into one ordered generation.
const plugins = yield* resolve(pre, internal.post, operations)
// Replace the active generation in one scoped, batched activation.
yield* registry.activate(plugins)
applied = target
}),
)
})
const updates = yield* events
.subscribe([Event.Updated, SdkPlugins.Updated])
.pipe(Stream.toQueue({ capacity: 1, strategy: "sliding" }))
const signals = yield* Stream.concat(
Stream.succeed(0),
Stream.fromQueue(updates).pipe(Stream.mapEffect(() => Effect.sync(() => ++observed))),
).pipe(Stream.broadcast({ capacity: 1, strategy: "sliding", replay: 1 }))
const attempt = (target: number) =>
activate(target).pipe(
Effect.map(() => observed === target),
Effect.catchCause((cause) => Effect.logError("failed to reload plugins", { cause }).pipe(Effect.as(false))),
)
yield* signals.pipe(
Stream.runForEach((target) =>
activate(target).pipe(Effect.catchCause((cause) => Effect.logError("failed to reload plugins", { cause }))),
),
Effect.forkScoped({ startImmediately: true }),
)
yield* signals.pipe(
Stream.debounce("100 millis"),
Stream.mapEffect(attempt),
Stream.filter((settled) => settled),
Stream.take(1),
Stream.runDrain,
Effect.andThen(Deferred.succeed(ready, undefined)),
Effect.forkScoped({ startImmediately: true }),
)
return Service.of({ flush: Deferred.await(ready) })
}),
)
const nodeLayer = layer as Layer.Layer<Service, never, PluginInternal.Requirements>
export const node = makeLocationNode({
service: Service,
layer: nodeLayer,
deps: [
PluginV2.node,
SdkPlugins.node,
AgentV2.node,
Catalog.node,
CommandV2.node,
Config.node,
EventV2.node,
FileMutation.node,
FileSystem.node,
FSUtil.node,
Global.node,
httpClient,
Image.node,
Integration.node,
Location.node,
LocationMutation.node,
ModelsDev.node,
Npm.node,
PermissionV2.node,
PluginRuntime.node,
Form.node,
ReadToolFileSystem.node,
Reference.node,
Ripgrep.node,
SessionInstructions.node,
Shell.node,
SkillV2.node,
ToolRegistry.toolsNode,
WebSearchTool.configNode,
],
})
export { layer }