opencode/packages/core/src/config.ts

479 lines
20 KiB
TypeScript

export * as Config from "./config"
import { makeLocationNode } from "@opencode-ai/util/effect/app-node"
import path from "path"
import { isDeepStrictEqual } from "node:util"
import { type ParseError, parse } from "jsonc-parser"
import { Context, Effect, Layer, Option, PubSub, Ref, Schema, Semaphore, Stream } from "effect"
import { Permission } from "@opencode-ai/schema/permission"
import { Config as ConfigSchema } from "@opencode-ai/schema/config"
import { Integration } from "@opencode-ai/schema/integration"
import { Credential } from "./credential"
import { Bus } from "./bus"
import { Watcher } from "./filesystem/watcher"
import { FSUtil } from "@opencode-ai/util/fs-util"
import { Global } from "@opencode-ai/util/global"
import { Location } from "./location"
import { AbsolutePath } from "./schema"
import { ConfigAgent } from "./config/agent"
import { ConfigAttachments } from "./config/attachments"
import { ConfigCompaction } from "./config/compaction"
import { ConfigCommand } from "./config/command"
import { ConfigExperimental } from "./config/experimental"
import { ConfigFormatter } from "./config/formatter"
import { ConfigLSP } from "./config/lsp"
import { ConfigMCP } from "./config/mcp"
import { ConfigModel } from "./config/model"
import { ConfigPlugin } from "./config/plugin"
import { ConfigProvider } from "./config/provider"
import { ConfigReference } from "./config/reference"
import { ConfigWebSearch } from "./config/websearch"
import { ConfigToolOutput } from "./config/tool-output"
import { ConfigVariable } from "./config/variable"
import { ConfigWatcher } from "./config/watcher"
import { ConfigWarming } from "./config/warming"
import { ConfigV1 } from "./v1/config/config"
import { ConfigMigrateV1 } from "./v1/config/migrate"
import { WellKnown } from "./wellknown"
export class Info extends Schema.Class<Info>("Config.Info")({
$schema: Schema.optional(Schema.String).annotate({
description: "JSON schema reference for configuration validation",
}),
shell: Schema.String.pipe(Schema.optional).annotate({
description: "Default shell to use for terminal and shell tool execution",
}),
model: ConfigModel.Selection.pipe(Schema.optional).annotate({
description: "Default model to use when no session or agent model is selected",
}),
default_agent: Schema.String.pipe(Schema.optional).annotate({
description: "Default primary agent to use when no session agent is selected",
}),
autoupdate: Schema.Union([Schema.Boolean, Schema.Literal("notify")])
.pipe(Schema.optional)
.annotate({
description: "Automatically update or notify when a new version is available",
}),
share: Schema.Literals(["manual", "auto", "disabled"]).pipe(Schema.optional).annotate({
description: "Control whether sessions may be shared manually, automatically, or not at all",
}),
enterprise: Schema.Struct({
url: Schema.String.pipe(Schema.optional),
})
.pipe(Schema.optional)
.annotate({
description: "Enterprise sharing service configuration",
}),
username: Schema.String.pipe(Schema.optional).annotate({
description: "Username displayed in conversations and used for telemetry identity",
}),
permissions: Permission.Ruleset.pipe(Schema.optional).annotate({
description: "Ordered tool permission rules applied to agent tool use",
}),
agents: Schema.Record(Schema.String, ConfigAgent.Info).pipe(Schema.optional).annotate({
description: "Named built-in agent overrides and custom agent definitions",
}),
snapshots: Schema.Boolean.pipe(Schema.optional).annotate({
description: "Enable snapshots used for undo and revert behavior",
}),
watcher: ConfigWatcher.Info.pipe(Schema.optional).annotate({
description: "Filesystem watcher configuration",
}),
formatter: ConfigFormatter.Info.pipe(Schema.optional).annotate({
description: "Enable built-in formatters or configure formatter overrides",
}),
lsp: ConfigLSP.Info.pipe(Schema.optional).annotate({
description: "Enable built-in language servers or configure server overrides",
}),
attachments: ConfigAttachments.Info.pipe(Schema.optional).annotate({
description: "Attachment processing configuration",
}),
tool_output: ConfigToolOutput.Info.pipe(Schema.optional).annotate({
description: "Tool output truncation thresholds",
}),
mcp: ConfigMCP.Info.pipe(Schema.optional).annotate({
description: "MCP server configuration",
}),
compaction: ConfigCompaction.Info.pipe(Schema.optional).annotate({
description: "Conversation compaction behavior",
}),
skills: Schema.String.pipe(Schema.Array, Schema.optional).annotate({
description: "Additional paths or URLs to discover skills from",
}),
commands: Schema.Record(Schema.String, ConfigCommand.Info).pipe(Schema.optional).annotate({
description: "Named slash command definitions",
}),
instructions: Schema.String.pipe(Schema.Array, Schema.optional).annotate({
description: "Additional paths or URLs supplying ambient instructions",
}),
references: ConfigReference.Info.pipe(Schema.optional).annotate({
description: "Named local directories or Git repositories available as external context",
}),
websearch: ConfigWebSearch.Info.pipe(Schema.optional).annotate({
description: "Web search provider selection",
}),
plugins: ConfigPlugin.Plugins.pipe(Schema.optional).annotate({
description: "Ordered plugin enablement directives and external package declarations",
}),
warming: ConfigWarming.Warming.pipe(Schema.optional).annotate({
description: "Keep recently active sessions warm with transient model requests (default: false)",
}),
providers: Schema.Record(Schema.String, ConfigProvider.Info).pipe(Schema.optional),
experimental: ConfigExperimental.Info.pipe(Schema.optional),
}) {}
export class Document extends Schema.Class<Document>("Config.Document")({
type: Schema.Literal("document"),
path: Schema.String.pipe(Schema.optional),
info: Info,
}) {}
export class Directory extends Schema.Class<Directory>("Config.Directory")({
type: Schema.Literal("directory"),
path: AbsolutePath,
}) {}
export class File extends Schema.Class<File>("Config.File")({
type: Schema.Literal("file"),
path: AbsolutePath,
}) {}
export class AgentsDirectory extends Schema.Class<AgentsDirectory>("Config.AgentsDirectory")({
type: Schema.Literal("agents"),
path: AbsolutePath,
}) {}
export class ClaudeDirectory extends Schema.Class<ClaudeDirectory>("Config.ClaudeDirectory")({
type: Schema.Literal("claude"),
path: AbsolutePath,
}) {}
export type Entry = Document | Directory | File | AgentsDirectory | ClaudeDirectory
export function latest<K extends keyof Info>(entries: readonly Entry[], key: K): Info[K] | undefined {
return entries
.filter((entry): entry is Document => entry.type === "document")
.findLast((entry) => entry.info[key] !== undefined)?.info[key]
}
export interface Interface {
/** Returns location config documents and discovery sources from lowest to highest priority. */
readonly entries: () => Effect.Effect<Entry[]>
/**
* Streams raw filesystem updates under config roots. Config owns root
* topology and watch reconciliation; domain owners filter this feed for the
* source files they parse and rebuild their own state.
*/
readonly changes: () => Stream.Stream<Watcher.Update>
}
export const Options = Schema.Struct({
project: Schema.optional(Schema.Boolean),
file: Schema.optional(Schema.String),
content: Schema.optional(Schema.String),
})
export type Options = typeof Options.Type
export class Service extends Context.Service<Service, Interface>()("@opencode/Config") {}
export interface TestInterface extends Interface {
/** Replaces the entries returned by subsequent entries() calls. */
readonly setEntries: (entries: Entry[]) => Effect.Effect<void>
/** Emits one filesystem update to every changes() subscriber. */
readonly emitChange: (update: Watcher.Update) => Effect.Effect<void>
}
export class Test extends Context.Service<Test, TestInterface>()("@opencode/Config/Test") {}
/** In-memory config for tests: static entries with replaceable state and a test-driven change feed. */
export const testLayer = (initial: Entry[] = []) =>
Layer.effectContext(
Effect.gen(function* () {
const entries = yield* Ref.make(initial)
const updates = yield* PubSub.unbounded<Watcher.Update>()
const service = Test.of({
entries: () => Ref.get(entries),
changes: () => Stream.fromPubSub(updates),
setEntries: (next) => Ref.set(entries, next),
emitChange: (update) => PubSub.publish(updates, update).pipe(Effect.asVoid),
})
return Context.empty().pipe(Context.add(Service, service), Context.add(Test, service))
}),
)
export const layer = (options?: Options) => Layer.effect(
Service,
Effect.gen(function* () {
const fs = yield* FSUtil.Service
const global = yield* Global.Service
const location = yield* Location.Service
const watcher = yield* Watcher.Service
const bus = yield* Bus.Service
const credentials = yield* Credential.Service
const wellknown = yield* WellKnown.Service
const names = ["opencode.json", "opencode.jsonc"]
const reloadLock = Semaphore.makeUnsafe(1)
const decodeOptions = { errors: "all", onExcessProperty: "ignore", propertyOrder: "original" } as const
const decodeInfo = Schema.decodeUnknownOption(Info, decodeOptions)
const decodeV1Info = Schema.decodeUnknownOption(ConfigV1.Info, decodeOptions)
const parseInfo = (text: string) => {
const errors: ParseError[] = []
const input: unknown = parse(text, errors, { allowTrailingComma: true })
if (errors.length) return
return Option.getOrUndefined(
ConfigMigrateV1.isV1(input)
? decodeV1Info(input).pipe(Option.map(ConfigMigrateV1.migrate), Option.flatMap(decodeInfo))
: decodeInfo(input),
)
}
const loadFile = Effect.fnUntraced(function* (filepath: string) {
const text = yield* fs.readFileStringSafe(filepath)
if (!text) return
const substituted = yield* ConfigVariable.substitute({ type: "path", path: filepath, text })
const info = parseInfo(substituted)
if (!info) return
return new Document({ type: "document", path: filepath, info })
})
const loadWellknown = Effect.fn("Config.loadWellknown")(function* () {
const entries = yield* wellknown
.entries()
.pipe(
Effect.catch((error) =>
Effect.logWarning("failed to discover wellknown config", { error }).pipe(Effect.as([] as const)),
),
)
return yield* Effect.forEach(entries, (entry) =>
Effect.gen(function* () {
const auth = entry.manifest.auth
if (!auth) return []
const credential = (yield* credentials.list(entry.integrationID)).findLast(
(credential) => credential.value.type === "key",
)
if (!credential || credential.value.type !== "key") return []
const variables = { [auth.env]: credential.value.key }
const configs = yield* wellknown.resolve(entry, variables).pipe(Effect.orDie)
return yield* Effect.forEach(configs, (config) =>
ConfigVariable.substitute({
type: "virtual",
source: entry.origin,
dir: entry.origin,
text: JSON.stringify(config),
env: variables,
}).pipe(
Effect.map(parseInfo),
Effect.map((info) => (info ? new Document({ type: "document", info }) : undefined)),
),
).pipe(Effect.map((documents) => documents.filter((document) => document !== undefined)))
}),
).pipe(Effect.map((documents) => documents.flat()))
})
const loadDirectory = Effect.fnUntraced(function* (directory: AbsolutePath) {
return [
...(yield* Effect.forEach(names, (file) => loadFile(path.join(directory, file))).pipe(
Effect.map((configs) => configs.filter((config): config is Document => config !== undefined)),
)),
new Directory({ type: "directory", path: directory }),
]
})
const discover = Effect.fn("Config.discover")(function* () {
const globalDirectory = AbsolutePath.make(global.config)
const globalAgentsDirectory = AbsolutePath.make(path.join(global.home, ".agents"))
const globalClaudeDirectory = AbsolutePath.make(path.join(global.home, ".claude"))
const locationIsGlobal = path.resolve(location.directory) === path.resolve(global.config)
const discovered = locationIsGlobal || options?.project === false
? []
: yield* fs
.up({
targets: [".opencode", ".claude", ".agents", ...names.toReversed()],
start: location.directory,
})
.pipe(Effect.orDie)
// We load certain files from a few other folders in the ecosystem
const claude = [
...((yield* fs.isDir(globalClaudeDirectory))
? [new ClaudeDirectory({ type: "claude", path: globalClaudeDirectory })]
: []),
...discovered
.filter((item) => path.basename(item) === ".claude")
.map((directory) => new ClaudeDirectory({ type: "claude", path: AbsolutePath.make(directory) })),
]
const agents = [
...((yield* fs.isDir(globalAgentsDirectory))
? [new AgentsDirectory({ type: "agents", path: globalAgentsDirectory })]
: []),
...discovered
.filter((item) => path.basename(item) === ".agents")
.map((directory) => new AgentsDirectory({ type: "agents", path: AbsolutePath.make(directory) })),
]
const directories = [
globalDirectory,
...discovered
.filter((item) => path.basename(item) === ".opencode")
.toReversed()
.map((directory) => AbsolutePath.make(directory)),
]
const directPaths = discovered
.filter((item) => ![".agents", ".claude", ".opencode"].includes(path.basename(item)))
.toReversed()
const direct = yield* Effect.forEach(directPaths, (filepath) =>
loadFile(filepath).pipe(
Effect.map((config) => [
...(config ? [config] : []),
new File({ type: "file", path: AbsolutePath.make(filepath) }),
]),
),
).pipe(
Effect.orDie,
Effect.map((entries) => entries.flat()),
)
const file = options?.file
const explicit = file
? yield* loadFile(path.resolve(file)).pipe(
Effect.map((config) => [
...(config ? [config] : []),
new File({ type: "file", path: AbsolutePath.make(path.resolve(file)) }),
]),
Effect.orDie,
)
: []
const content = options?.content
? yield* ConfigVariable.substitute({
type: "virtual",
source: "OPENCODE_CONFIG_CONTENT",
dir: location.directory,
text: options.content,
}).pipe(
Effect.map(parseInfo),
Effect.map((info) => (info ? [new Document({ type: "document", info })] : [])),
Effect.orDie,
)
: []
const supplementary = yield* Effect.forEach(directories, loadDirectory).pipe(Effect.orDie)
return [
...claude,
...agents,
...(supplementary[0] ?? []),
...explicit,
...direct,
...supplementary.slice(1).flat(),
...(yield* loadWellknown().pipe(Effect.orDie)),
...content,
]
})
const initial = yield* discover()
let configs = initial
const updates = yield* PubSub.unbounded<Watcher.Update>()
// Vendored trees inside config roots (a plugin's node_modules, a nested
// .git) produce event blizzards that can never change discovery output.
const ignore = ["node_modules", ".git", "**/{node_modules,.git}/**"]
// Watch-once: roots leave discovery only by deletion, so a stale watch is
// inert, bounded, and dies with this layer — and keeping a deleted root's
// watch alive is exactly what makes its recreation observable.
const watched = new Set<string>()
const reconcile = Effect.fn("Config.reconcileWatches")(function* (entries: readonly Entry[]) {
const directories = entries.flatMap((entry) => (entry.type === "directory" ? [entry.path] : []))
const files = entries.flatMap((entry) => (entry.type === "file" ? [entry.path] : []))
const targets = [
...directories.map((path) => ({ path, type: "directory" as const, ignore })),
...files
.filter((file) => !directories.some((directory) => FSUtil.contains(directory, file)))
.map((path) => ({ path, type: "file" as const })),
]
for (const target of targets) {
const key = JSON.stringify(target)
if (watched.has(key)) continue
watched.add(key)
const stream = yield* watcher.subscribe(target)
yield* stream.pipe(
Stream.runForEach((update) => PubSub.publish(updates, update)),
Effect.forkScoped({ startImmediately: true }),
)
}
})
const reload = Effect.fn("Config.reload")(() =>
reloadLock.withPermit(
Effect.gen(function* () {
const next = yield* discover()
if (isDeepStrictEqual(configs, next)) return
configs = next
yield* reconcile(next)
yield* bus.publish(ConfigSchema.Event.Updated, {})
}),
),
)
yield* Stream.fromPubSub(updates).pipe(
Stream.debounce("100 millis"),
Stream.runForEach((update) =>
reload().pipe(
Effect.catchCause((cause) => Effect.logError("failed to reload config", { path: update.path, cause })),
),
),
Effect.forkScoped({ startImmediately: true }),
)
yield* bus.subscribe(Integration.Event.ConnectionUpdated).pipe(
Stream.filterEffect((event) =>
wellknown.entries().pipe(
Effect.map((entries) => entries.some((entry) => entry.integrationID === event.data.integrationID)),
Effect.catch(() => Effect.succeed(false)),
),
),
Stream.runForEach(() =>
reload().pipe(Effect.catchCause((cause) => Effect.logError("failed to reload wellknown config", { cause }))),
),
Effect.forkScoped({ startImmediately: true }),
)
yield* bus.subscribe(WellKnown.Event.Updated).pipe(
Stream.runForEach(() =>
reload().pipe(Effect.catchCause((cause) => Effect.logError("failed to reload wellknown sources", { cause }))),
),
Effect.forkScoped({ startImmediately: true }),
)
yield* Effect.sleep("10 minutes").pipe(
Effect.andThen(
Effect.suspend(() => {
if (!wellknown.snapshot().length) return Effect.void
return Effect.gen(function* () {
const changed = yield* wellknown.refresh().pipe(
Effect.catch((error) =>
Effect.logWarning("failed to refresh wellknown manifests", { error }).pipe(Effect.as(false)),
),
)
if (!changed) yield* reload()
}).pipe(Effect.catchCause((cause) => Effect.logWarning("failed to refresh wellknown config", { cause })))
}),
),
Effect.forever,
Effect.forkScoped({ startImmediately: true }),
)
yield* reconcile(initial)
return Service.of({
entries: Effect.fn("Config.entries")(function* () {
return configs
}),
changes: () => Stream.fromPubSub(updates),
})
}),
)
export function configured(options?: Options) {
return makeLocationNode({
service: Service,
layer: layer(options),
deps: [Watcher.node, Bus.node, FSUtil.node, Global.node, Location.node, Credential.node, WellKnown.node],
})
}
export const node = configured()