Files
deepseek-harness/packages/sdk/helper/src/features/define-feature.ts
2026-07-20 19:26:04 +08:00

287 lines
10 KiB
TypeScript

/**
* Typed declarative definitions for features whose behavior is entirely
* the shared resource lifecycle.
*
* @module @deepseek-ai/dsh-helper/features/define-feature
*/
import type { CordisConfigEntry } from '../documents/cordis-yaml-file.ts'
import { TextProjectFile } from '../documents/project-file.ts'
import { featureId, resourceKey, type FeatureId } from '../ids.ts'
import type { FeatureSelection, ProjectProfile, RunInterface } from '../project/types.ts'
import {
Feature,
FeatureOption,
type FeatureRequirement,
type FeatureSecret,
} from './feature.ts'
import { ProjectContribution, type ProjectResource } from './resources.ts'
/** Static NPM dependency in a declarative feature. */
interface NpmDependencySpec {
kind: 'npm-dependency'
name: string
section?: 'dependencies' | 'devDependencies'
}
/** Bare-package Cordis config entry that also contributes its NPM dependency. */
interface NpmCordisConfigEntrySpec {
kind: 'npm-cordis-config-entry'
id: string
package: string
config?: Readonly<Record<string, unknown>>
ownedConfigKeys?: readonly string[]
commentedExample?: string
}
/** Relative or absolute file Cordis config entry with no NPM dependency. */
interface FileCordisConfigEntrySpec {
kind: 'file-cordis-config-entry'
id: string
path: string
config?: Readonly<Record<string, unknown>>
ownedConfigKeys?: readonly string[]
commentedExample?: string
}
/** Static complete file owned by one feature option. */
interface OwnedFileSpec {
kind: 'owned-file'
path: string
text: string
removeOnlyWhenUnchanged?: boolean
}
/** Resource forms that require no feature-specific imperative code. */
type FeatureResourceSpec =
| NpmDependencySpec
| NpmCordisConfigEntrySpec
| FileCordisConfigEntrySpec
| OwnedFileSpec
/** Cordis config entry identity and optional plugin-config subset that identifies an option. */
interface FeatureOptionMarkerSpec {
id: string
name: string
config?: Readonly<Record<string, unknown>>
}
/** Declarative requirement converted to branded domain identity at the boundary. */
interface FeatureRequirementSpec {
id: string
options?: readonly string[]
}
/** One static option inside a typed feature definition. */
interface FeatureOptionSpec {
id: string
label: string
default?: boolean
resources: readonly FeatureResourceSpec[]
secrets?: readonly FeatureSecret[]
markers?: readonly FeatureOptionMarkerSpec[]
requires?: readonly FeatureRequirementSpec[]
}
/** Complete declarative feature definition. */
export interface FeatureSpec {
id: string
summary: string
mode: 'single' | 'exclusive' | 'multiple'
options: readonly FeatureOptionSpec[]
baseResources?: readonly FeatureResourceSpec[]
required?: boolean
requires?: readonly FeatureRequirementSpec[]
suggests?: readonly string[]
supportedInterfaces?: readonly RunInterface[]
}
function sameShape(expected: unknown, actual: unknown): boolean {
if (expected === null || actual === null) return expected === actual
if (Array.isArray(expected)) {
return Array.isArray(actual) && (expected.length === 0 || actual.every(item => sameShape(expected[0], item)))
}
if (typeof expected !== 'object') return typeof expected === typeof actual
if (typeof actual !== 'object' || Array.isArray(actual)) return false
return Object.entries(expected as Record<string, unknown>).every(
([key, value]) => sameShape(value, (actual as Record<string, unknown>)[key]),
)
}
function configDiagnostics(
expected: Readonly<Record<string, unknown>> | undefined,
): ((config: Readonly<Record<string, unknown>>) => readonly string[]) | undefined {
if (!expected || Object.keys(expected).length === 0) return undefined
return config => Object.entries(expected).flatMap(([key, value]) => sameShape(value, config[key])
? []
: [`${key} has an incompatible value shape`])
}
function resourcesFromSpec(spec: FeatureResourceSpec): ProjectResource[] {
switch (spec.kind) {
case 'npm-dependency':
return [{
kind: 'npm-dependency',
key: resourceKey(`npm-dependency:${spec.name}`),
name: spec.name,
section: spec.section ?? 'dependencies',
}]
case 'npm-cordis-config-entry':
case 'file-cordis-config-entry': {
const config = spec.config ? { ...spec.config } : undefined
const validateConfig = configDiagnostics(config)
const name = spec.kind === 'npm-cordis-config-entry' ? spec.package : spec.path
return [
...spec.kind === 'npm-cordis-config-entry'
? [{
kind: 'npm-dependency' as const,
key: resourceKey(`npm-dependency:${spec.package}`),
name: spec.package,
section: 'dependencies' as const,
}]
: [],
{
kind: 'cordis-config-entry',
key: resourceKey(`cordis-config-entry:${spec.id}`),
entry: {
id: spec.id,
name,
...config ? { config } : {},
},
ownedConfigKeys: spec.ownedConfigKeys ?? Object.keys(config ?? {}),
...spec.commentedExample ? { commentedExample: spec.commentedExample } : {},
...validateConfig ? { validateConfig } : {},
},
]
}
case 'owned-file':
return [{
kind: 'owned-file',
key: resourceKey(`file:${spec.path}`),
document: new TextProjectFile(spec.path, spec.text),
removeOnlyWhenUnchanged: spec.removeOnlyWhenUnchanged ?? true,
}]
}
}
function isSubset(expected: Readonly<Record<string, unknown>>, actual: Readonly<Record<string, unknown>>): boolean {
return Object.entries(expected).every(([key, value]) => Object.is(actual[key], value))
}
class DefinedFeatureOption extends FeatureOption {
override readonly id: string
override readonly label: string
override readonly secrets: readonly FeatureSecret[]
private readonly spec: FeatureOptionSpec
constructor(spec: FeatureOptionSpec) {
super()
this.spec = spec
this.id = spec.id
this.label = spec.label
this.secrets = spec.secrets ?? []
}
override contribution(_profile: ProjectProfile, secrets: Readonly<Record<string, string>>): ProjectContribution {
return new ProjectContribution([
...this.spec.resources.flatMap(resourcesFromSpec),
...this.secrets.map(secret => ({
kind: 'environment' as const,
key: resourceKey(`environment:${secret.environment}`),
name: secret.environment,
...secrets[secret.id] === undefined ? {} : { value: secrets[secret.id] },
exampleValue: '',
})),
])
}
override markerConfigEntries(): readonly Pick<CordisConfigEntry, 'id' | 'name'>[] {
const markers = this.spec.markers ?? this.spec.resources.flatMap((resource) => {
switch (resource.kind) {
case 'npm-cordis-config-entry': return [{ id: resource.id, name: resource.package }]
case 'file-cordis-config-entry': return [{ id: resource.id, name: resource.path }]
default: return []
}
})
return markers.map(marker => ({ id: marker.id, name: marker.name }))
}
override matchesConfigEntries(entries: readonly CordisConfigEntry[]): boolean {
const markers = this.spec.markers
if (!markers) return this.markerConfigEntries().some(marker => entries.some(
entry => entry.id === marker.id && entry.name === marker.name,
))
return markers.some(marker => entries.some(entry => entry.id === marker.id
&& entry.name === marker.name
&& (!marker.config || isSubset(marker.config, entry.config ?? {}))))
}
}
/** Feature entity backed by a typed static definition. */
class DefinedFeature extends Feature {
override readonly id: FeatureId
override readonly summary: string
override readonly mode: FeatureSpec['mode']
override readonly options: readonly FeatureOption[]
override readonly required: boolean
override readonly requires: readonly FeatureId[]
override readonly suggests: readonly FeatureId[]
override readonly supportedInterfaces: readonly RunInterface[]
private readonly spec: FeatureSpec
/** Validate and materialize one declarative definition. */
constructor(spec: FeatureSpec) {
super()
this.spec = spec
this.id = featureId(spec.id)
this.summary = spec.summary
this.mode = spec.mode
this.options = spec.options.map(option => new DefinedFeatureOption(option))
const defaultCount = spec.options.filter(option => option.default).length
if (spec.mode === 'single' && (spec.options.length !== 1 || defaultCount !== 1)) {
throw new Error(`single feature ${spec.id} requires one default option`)
}
if (spec.mode === 'exclusive' && defaultCount !== 1) {
throw new Error(`exclusive feature ${spec.id} requires exactly one default option`)
}
if (spec.mode === 'multiple' && defaultCount === 0) {
throw new Error(`multiple feature ${spec.id} requires at least one default option`)
}
this.required = spec.required ?? false
this.requires = (spec.requires ?? []).map(requirement => featureId(requirement.id))
this.suggests = (spec.suggests ?? []).map(featureId)
this.supportedInterfaces = spec.supportedInterfaces ?? ['acp', 'tui', 'embed']
}
override defaultOptions(): readonly string[] {
return this.spec.options.filter(option => option.default).map(option => option.id)
}
override baseContribution(): ProjectContribution {
return new ProjectContribution((this.spec.baseResources ?? []).flatMap(resourcesFromSpec))
}
override requirements(selection: FeatureSelection): readonly FeatureRequirement[] {
const selected = new Set(selection.options)
return [
...(this.spec.requires ?? []),
...this.spec.options.filter(option => selected.has(option.id)).flatMap(option => option.requires ?? []),
].map(requirement => ({
id: featureId(requirement.id),
...requirement.options ? { options: requirement.options } : {},
}))
}
}
/** Construct the shared lifecycle entity from a typed declarative definition. */
export function defineFeature(spec: FeatureSpec): Feature {
return new DefinedFeature(spec)
}
/** Materialize one ordered catalog containing static specs and behavior entities. */
export function defineFeatures(definitions: readonly (Feature | FeatureSpec)[]): Feature[] {
return definitions.map(definition => definition instanceof Feature
? definition
: defineFeature(definition))
}