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deepseek-harness/packages/scaffold/create-sdk/src/headless.ts
2026-08-09 17:26:57 +08:00

99 lines
3.6 KiB
TypeScript

/**
* Headless create input: a structured project spec supplied by an agent or CI
* instead of interactive prompts.
*
* @module @deepseek-ai/create-sdk/headless
*/
import { readFile } from 'node:fs/promises'
import type { FeatureSelection, PackageManagerName, RunInterface } from '@deepseek-ai/dsh-helper'
import type { CreateArgs } from './args.ts'
/**
* Structured, non-interactive create input. Scalar fields mirror {@link CreateArgs}
* project answers; `features` is the headless feature plan handed to `CreateWizard`
* (the interactive tree/suggests prompts are skipped). Absent required answers make
* the run fail loud through `HeadlessPromptPort` rather than blocking.
*/
interface HeadlessCreateSpec {
directory?: string
description?: string
provider?: 'deepseek-official' | 'custom'
baseURL?: string
apiKey?: string
model?: string
interface?: RunInterface
pm?: PackageManagerName
install?: boolean
linkWorkspace?: boolean
features?: readonly FeatureSelection[]
}
/** Resolved headless input: the args the wizard reads plus the feature plan. */
export interface ResolvedHeadless {
args: CreateArgs
features: readonly FeatureSelection[] | undefined
}
function asRecord(value: unknown, source: string): Record<string, unknown> {
if (value === null || typeof value !== 'object' || Array.isArray(value)) {
throw new Error(`${source}: expected a JSON object`)
}
return value as Record<string, unknown>
}
/** Parse and shallow-validate a headless spec from JSON text. */
function parseHeadlessSpec(text: string, source: string): HeadlessCreateSpec {
let parsed: unknown
try {
parsed = JSON.parse(text)
} catch (error) {
/* v8 ignore next -- JSON.parse only throws Error instances; the String() branch is defensive */
throw new Error(`${source}: invalid JSON (${error instanceof Error ? error.message : String(error)})`)
}
const record = asRecord(parsed, source)
if (record.features !== undefined && !Array.isArray(record.features)) {
throw new Error(`${source}: "features" must be an array`)
}
return record
}
/**
* Load a headless spec from `--config-json` (inline) or `--config` (a JSON file),
* returning `undefined` when neither is supplied.
* @param args - parsed create args.
* @param readFileText - File-reader hook for tests.
* @returns the resolved args + feature plan, or `undefined` for interactive runs.
*/
export async function resolveHeadless(
args: CreateArgs,
readFileText: (path: string) => Promise<string> = path => readFile(path, 'utf8'),
): Promise<ResolvedHeadless | undefined> {
let text: string
let source: string
if (args.configJson !== undefined) {
text = args.configJson
source = '--config-json'
} else if (args.config !== undefined) {
source = args.config
text = await readFileText(args.config)
} else {
return undefined
}
const spec = parseHeadlessSpec(text, source)
const resolvedArgs: CreateArgs = {
...spec.directory === undefined ? {} : { directory: spec.directory },
...spec.description === undefined ? {} : { description: spec.description },
...spec.provider === undefined ? {} : { provider: spec.provider },
...spec.baseURL === undefined ? {} : { baseURL: spec.baseURL },
...spec.apiKey === undefined ? {} : { apiKey: spec.apiKey },
...spec.model === undefined ? {} : { model: spec.model },
...spec.interface === undefined ? {} : { runInterface: spec.interface },
...spec.pm === undefined ? {} : { packageManager: spec.pm },
...spec.install === undefined ? {} : { install: spec.install },
...spec.linkWorkspace ? { linkWorkspace: true } : {},
help: false,
}
return { args: resolvedArgs, features: spec.features }
}