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

346 lines
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TypeScript

/**
* Stateful builtin feature and option domain objects.
*
* @module @deepseek-ai/dsh-helper/features/feature
*/
import type { CordisConfigEntry } from '../documents/cordis-yaml-file.ts'
import type { PackageManifest } from '../documents/package-json-file.ts'
import type { FeatureId } from '../ids.ts'
import type { FeatureSelection, ProjectProfile, RunInterface } from '../project/types.ts'
import { ProjectContribution, type CordisConfigEntryResource, type ProjectResource } from './resources.ts'
/** Read-only project surface used by feature inspection. */
export interface FeatureProjectView {
readonly profile: ProjectProfile
cordisConfigEntries(): readonly CordisConfigEntry[]
packageManifest(): Readonly<PackageManifest>
hasDocument(path: string): boolean
readEnvironment(path: '.env' | '.env.example', name: string): string | undefined
}
/** Installation state visible to create/config workflows. */
type FeatureInstallationState = 'absent' | 'enabled' | 'disabled' | 'inconsistent'
/** Result of round-tripping one feature from a project snapshot. */
export interface FeatureInstallation {
id: FeatureId
state: FeatureInstallationState
options: readonly string[]
selection?: FeatureSelection
diagnostics: readonly string[]
}
/** One final-state requirement on another builtin feature. */
export interface FeatureRequirement {
id: FeatureId
options?: readonly string[]
}
/** One secret captured into an environment binding rather than Cordis plugin config. */
export interface FeatureSecret {
id: string
environment: string
message: string
required: boolean
}
/** One visible string value requested only by options that own it. */
export interface FeatureValueInput {
id: string
message: string
}
/** One selectable behavior option owned by a feature. */
export abstract class FeatureOption {
abstract readonly id: string
abstract readonly label: string
readonly secrets: readonly FeatureSecret[] = []
readonly inputs: readonly FeatureValueInput[] = []
/** Contribute this option's project resources. */
abstract contribution(profile: ProjectProfile, secrets: Readonly<Record<string, string>>): ProjectContribution
/** Every Cordis config entry package owned by this option during inspection. */
ownedConfigEntries(profile: ProjectProfile): readonly Pick<CordisConfigEntry, 'id' | 'name'>[] {
return this.contribution(profile, {}).resources
.filter((resource): resource is CordisConfigEntryResource => resource.kind === 'cordis-config-entry')
.map(resource => ({ id: resource.entry.id, name: resource.entry.name }))
}
/** Cordis config entry identities that distinguish this option during inspection. */
markerConfigEntries(profile: ProjectProfile): readonly Pick<CordisConfigEntry, 'id' | 'name'>[] {
return this.ownedConfigEntries(profile)
}
/** Whether current owned Cordis config entries identify this option. */
matchesConfigEntries(entries: readonly CordisConfigEntry[], profile: ProjectProfile): boolean {
return this.markerConfigEntries(profile).some(marker => entries.some(
entry => entry.id === marker.id && entry.name === marker.name,
))
}
}
/** How a feature's options compose. */
export type FeatureOptionMode = 'single' | 'exclusive' | 'multiple'
function packageNames(resources: readonly ProjectResource[]): Set<string> {
return new Set(resources
.filter((resource): resource is CordisConfigEntryResource => resource.kind === 'cordis-config-entry')
.map(resource => resource.entry.name))
}
function configDiagnostics(resource: CordisConfigEntryResource, entry: CordisConfigEntry): string[] {
/* v8 ignore next -- entries without validators have no diagnostics to compute */
if (!resource.validateConfig) return []
return [...resource.validateConfig(entry.config ?? {})].map(message => `${entry.id}: ${message}`)
}
/** A behavior-owning builtin feature with shallow option composition. */
export abstract class Feature {
/** Stable registry identity. */
abstract readonly id: FeatureId
/** User-facing feature summary. */
abstract readonly summary: string
/** Option-selection rule. */
abstract readonly mode: FeatureOptionMode
/** Available behavior options. */
abstract readonly options: readonly FeatureOption[]
/** Whether every valid project must enable this feature. */
readonly required: boolean = false
/** Unconditional feature requirements. */
readonly requires: readonly FeatureId[] = []
/** Features recommended during creation. */
readonly suggests: readonly FeatureId[] = []
/** Front doors under which this feature is meaningful. */
readonly supportedInterfaces: readonly RunInterface[] = ['acp', 'tui', 'embed']
/**
* Options selected when installation has no override.
* @param profile - project context controlling applicable defaults.
* @returns selected option ids.
*/
abstract defaultOptions(profile: ProjectProfile): readonly string[]
/**
* Shared resources present for every installed option set.
* @param _profile - project context available to behavior features.
* @returns shared project contribution.
*/
baseContribution(_profile: ProjectProfile): ProjectContribution {
return new ProjectContribution([])
}
/**
* Additional final-state requirements depending on selected options.
* @param _selection - normalized feature selection.
* @returns required features and option constraints.
*/
requirements(_selection: FeatureSelection): readonly FeatureRequirement[] {
return this.requires.map(id => ({ id }))
}
/**
* Whether the feature may be selected for this project front door.
* @param profile - project context to check.
* @returns whether the feature applies.
*/
isApplicable(profile: ProjectProfile): boolean {
return this.supportedInterfaces.includes(profile.runInterface)
}
/**
* Validate and normalize one requested option set.
* @param selection - requested feature and options.
* @param profile - project context for applicability and defaults.
* @returns deduplicated, sorted selection.
*/
normalizeSelection(selection: FeatureSelection, profile: ProjectProfile): FeatureSelection {
if (selection.id !== this.id) throw new Error(`selection ${selection.id} does not belong to feature ${this.id}`)
if (!this.isApplicable(profile)) {
throw new Error(`feature ${this.id} is not available for ${profile.runInterface}`)
}
const available = new Set(this.options.map(option => option.id))
const options = [...new Set(selection.options.length > 0 ? selection.options : this.defaultOptions(profile))]
for (const option of options) {
if (!available.has(option)) throw new Error(`unknown ${this.id} option: ${option}`)
}
if (this.mode === 'single' && (options.length !== 1 || this.options.length !== 1)) {
throw new Error(`feature ${this.id} has one fixed option`)
}
if (this.mode === 'exclusive' && options.length !== 1) {
throw new Error(`feature ${this.id} requires exactly one option`)
}
if (this.mode === 'multiple' && options.length === 0) {
throw new Error(`feature ${this.id} requires at least one option`)
}
return { ...selection, options: options.sort() }
}
/**
* Build the complete selected resource contribution.
* @param selection - selected options and captured inputs.
* @param profile - target project context.
* @returns merged base and option resources.
*/
contribution(selection: FeatureSelection, profile: ProjectProfile): ProjectContribution {
const normalized = this.normalizeSelection(selection, profile)
const selected = this.selectedOptions(normalized)
.map(option => option.contribution(profile, normalized.secrets ?? {}))
return ProjectContribution.merge(this.baseContribution(profile), ...selected)
}
/**
* All secret definitions required by one selected option set.
* @param selection - selected options.
* @param profile - target project context.
* @returns selected secret definitions.
*/
secrets(selection: FeatureSelection, profile: ProjectProfile): readonly FeatureSecret[] {
const normalized = this.normalizeSelection(selection, profile)
return this.selectedOptions(normalized).flatMap(option => option.secrets)
}
/**
* All visible value definitions required by one selected option set.
* @param selection - selected options.
* @param profile - target project context.
* @returns selected visible-input definitions.
*/
valueInputs(selection: FeatureSelection, profile: ProjectProfile): readonly FeatureValueInput[] {
const normalized = this.normalizeSelection(selection, profile)
return this.selectedOptions(normalized).flatMap(option => option.inputs)
}
private selectedOptions(selection: FeatureSelection): readonly FeatureOption[] {
return selection.options.map((id) => {
const option = this.options.find(candidate => candidate.id === id)
/* v8 ignore next -- normalizeSelection already membership-checks every selected id */
if (!option) throw new Error(`unknown ${this.id} option: ${id}`)
return option
})
}
/**
* Recover input and secret values after structural inspection.
* @param project - project snapshot being inspected.
* @param selection - structurally detected selection.
* @returns selection enriched with readable values.
*/
readSelection(project: FeatureProjectView, selection: FeatureSelection): FeatureSelection {
const secrets = Object.fromEntries(this.secrets(selection, project.profile).flatMap((secret) => {
const value = project.readEnvironment('.env', secret.environment)
return value === undefined ? [] : [[secret.id, value]]
}))
return Object.keys(secrets).length === 0 ? selection : { ...selection, secrets }
}
/**
* Inspect current files and reject any partial or ambiguous owned shape.
* @param project - project snapshot to inspect.
* @returns installation state, selection, and diagnostics.
*/
inspect(project: FeatureProjectView): FeatureInstallation {
const profile = project.profile
const allPackages = new Set<string>()
for (const option of this.options) {
for (const entry of option.ownedConfigEntries(profile)) allPackages.add(entry.name)
}
for (const name of packageNames(this.baseContribution(profile).resources)) allPackages.add(name)
const configEntries = project.cordisConfigEntries()
const ownedConfigEntries = configEntries.filter(entry => allPackages.has(entry.name))
const options = this.options
.filter(option => option.matchesConfigEntries(configEntries, profile))
.map(option => option.id)
if (ownedConfigEntries.length === 0 && options.length === 0) {
return { id: this.id, state: 'absent', options: [], diagnostics: [] }
}
let selection: FeatureSelection
try {
selection = this.normalizeSelection({ id: this.id, options }, profile)
} catch (error) {
return { id: this.id, state: 'inconsistent', options, diagnostics: [String(error)] }
}
selection = this.readSelection(project, selection)
const expected = this.contribution(selection, profile)
const expectedEntries = expected.resources
.filter((resource): resource is CordisConfigEntryResource => resource.kind === 'cordis-config-entry')
const diagnostics: string[] = []
for (const resource of expectedEntries) {
const actual = ownedConfigEntries.find(entry => entry.id === resource.entry.id && entry.name === resource.entry.name)
if (!actual) diagnostics.push(`missing Cordis config entry ${resource.entry.id} (${resource.entry.name})`)
else diagnostics.push(...configDiagnostics(resource, actual))
}
for (const actual of ownedConfigEntries) {
if (!expectedEntries.some(resource => resource.entry.id === actual.id && resource.entry.name === actual.name)) {
diagnostics.push(`unexpected owned Cordis config entry ${actual.id} (${actual.name})`)
}
}
const manifest = project.packageManifest()
for (const resource of expected.resources) {
switch (resource.kind) {
case 'npm-dependency':
if (!manifest[resource.section]?.[resource.name]) {
diagnostics.push(`missing package.json ${resource.section} entry ${resource.name}`)
}
break
case 'package-script':
if (!manifest.scripts?.[resource.name]) {
diagnostics.push(`missing package.json script ${resource.name}`)
}
break
case 'owned-file':
if (!project.hasDocument(resource.document.relativePath)) diagnostics.push(`missing owned file ${resource.document.relativePath}`)
break
case 'environment':
try {
if (project.readEnvironment('.env.example', resource.name) === undefined) {
diagnostics.push(`missing .env.example variable ${resource.name}`)
}
} catch (error) {
diagnostics.push(String(error))
}
break
case 'cordis-config-entry': break
}
}
const disabled = ownedConfigEntries.map(entry => entry.disabled === true)
if (disabled.some(Boolean) && disabled.some(value => !value)) {
diagnostics.push('owned Cordis config entries have mixed enabled states')
}
if (diagnostics.length > 0) {
return { id: this.id, state: 'inconsistent', options, diagnostics }
}
return {
id: this.id,
state: ownedConfigEntries.length > 0 && disabled.every(Boolean) ? 'disabled' : 'enabled',
options,
selection,
diagnostics: [],
}
}
}
/** Fixed one-option feature base. */
export abstract class FixedFeature extends Feature {
override readonly mode = 'single'
/** Select the sole option. */
override defaultOptions(): readonly string[] {
const option = this.options[0]
if (!option) throw new Error(`simple feature ${this.id} has no option`)
return [option.id]
}
}
/** Mutually exclusive option feature base. */
export abstract class ExclusiveOptionFeature extends Feature {
override readonly mode = 'exclusive'
}
/** Additive multi-option feature base. */
export abstract class MultiOptionFeature extends Feature {
override readonly mode = 'multiple'
}