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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171import type { MiniFrontendInput } from "@opencode-ai/tui/mini"import { createModelPreferenceRepository } from "@opencode-ai/tui/model-preference"import fs from "node:fs"import { readFile } from "node:fs/promises"import path from "node:path"import { ReadStream } from "node:tty"
export const INTERACTIVE_INPUT_ERROR = "opencode mini requires a controlling terminal for input"
export type InteractiveStdin = { stdin: NodeJS.ReadStream cleanup(): void}
type MiniHost = MiniFrontendInput["host"]
function preferences(statePath: string): MiniHost["preferences"] { const repository = createModelPreferenceRepository(path.join(statePath, "model.json")) return { async resolveVariant(model) { if (!model) return return repository.resolveVariant(model) }, async saveVariant(model, variant) { if (!model) return await repository.saveVariant(model, variant).catch(() => undefined) }, }}
function signal(name: "SIGINT" | "SIGUSR2"): MiniHost["signals"]["sigint"] { return { subscribe(listener) { let subscribed = true process.on(name, listener) return () => { if (!subscribed) return subscribed = false process.off(name, listener) } }, }}
function createTrace( logPath: string, diagnostics: { pid: number; cwd: string; argv: string[] },): MiniHost["diagnostics"]["trace"] { if (!process.env.OPENCODE_DIRECT_TRACE) return const stamp = new Date() .toISOString() .replace(/[-:]/g, "") .replace(/\.\d+Z$/, "Z") const target = path.join(logPath, "direct", `${stamp}-${diagnostics.pid}.jsonl`) const text = (data: unknown) => JSON.stringify(data, (_key, value) => (typeof value === "bigint" ? String(value) : value), 0) fs.mkdirSync(path.dirname(target), { recursive: true }) fs.writeFileSync( path.join(logPath, "direct", "latest.json"), text({ time: new Date().toISOString(), ...diagnostics, path: target, }) + "\n", ) const trace = { write(type: string, data?: unknown) { fs.appendFileSync( target, text({ time: new Date().toISOString(), pid: diagnostics.pid, type, data, }) + "\n", ) }, } trace.write("trace.start", { argv: diagnostics.argv, cwd: diagnostics.cwd, path: target, }) return trace}
function openTerminalStdin(target: string): NodeJS.ReadStream { return new ReadStream(fs.openSync(target, "r"))}
export function resolveInteractiveStdin( stdin: NodeJS.ReadStream = process.stdin, open: (target: string) => NodeJS.ReadStream = openTerminalStdin, platform: NodeJS.Platform = process.platform,): InteractiveStdin { if (stdin.isTTY) return { stdin, cleanup() {} } const target = platform === "win32" ? "CONIN$" : "/dev/tty" try { const source = open(target) let cleaned = false return { stdin: source, cleanup() { if (cleaned) return cleaned = true source.destroy() }, } } catch (error) { throw new Error(INTERACTIVE_INPUT_ERROR, { cause: error }) }}
/** @internal Exported for owner-local resource cleanup tests. */export async function usingInteractiveStdin<T>( run: (terminal: InteractiveStdin) => Promise<T>, resolve: () => InteractiveStdin = resolveInteractiveStdin,) { const terminal = resolve() try { return await run(terminal) } finally { terminal.cleanup() }}
/** @internal Exported for owner-local host capability tests. */export function createMiniHost(input: { terminal: InteractiveStdin directory: string paths: { home: string; state: string; log: string }}): MiniHost { const paths = input.paths const diagnostics = { pid: process.pid, cwd: input.directory, argv: process.argv.slice(2), } return { terminal: { stdin: input.terminal.stdin }, platform: process.platform, stdout: { write(value) { process.stdout.write(value) }, }, files: { readText: (url) => readFile(new URL(url), "utf8"), }, editor: { async open(options) { const { openEditor } = await import("@opencode-ai/tui/editor") return openEditor(options) }, }, paths: { home: paths.home }, signals: { sigint: signal("SIGINT"), sigusr2: signal("SIGUSR2"), }, startup: { showTiming: ["1", "true"].includes(process.env.OPENCODE_SHOW_TTFD?.toLowerCase() ?? ""), now: () => performance.now(), }, diagnostics: { trace: createTrace(paths.log, diagnostics), }, preferences: preferences(paths.state), }}