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simplify type signature

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This commit is contained in:
yunlu.wen
2026-05-18 20:30:57 +08:00
parent c6792ce415
commit a89b43bccc
2 changed files with 20 additions and 9 deletions
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18
cli/src/framework/command.ts
View File

@ -1,23 +1,31 @@
import type { CommandOutput } from './output.js'
import type { ArgDefinition, FlagDefinition, ICommand, InferArgs, InferFlags } from './types.js'
import type { ArgDefinition, OptionalArgValueType, FlagDefinition, ICommand, InferArgs, InferFlags } from './types.js'
import { parseArgv } from './flags.js'
export type CommandConstructor = {
new(): Command
description?: string
flags?: Record<string, FlagDefinition<string | boolean | number | string[] | undefined>>
flags?: Record<string, FlagDefinition<OptionalArgValueType>>
args?: Record<string, ArgDefinition<string | undefined>>
examples?: string[]
}
type InferCommandArgs<C extends CommandConstructor> = C['args'] extends Record<string, ArgDefinition<string | undefined>>
? InferArgs<C['args']>
: Record<string, string | undefined>
type InferCommandFlags<C extends CommandConstructor> = C['flags'] extends Record<string, FlagDefinition<OptionalArgValueType>>
? InferFlags<C['flags']>
: Record<string, OptionalArgValueType>
type ParseResult<C extends CommandConstructor> = {
args: C['args'] extends Record<string, ArgDefinition<string | undefined>> ? InferArgs<C['args']> : Record<string, string | undefined>
flags: C['flags'] extends Record<string, FlagDefinition<string | boolean | number | string[] | undefined>> ? InferFlags<C['flags']> : Record<string, string | boolean | number | string[] | undefined>
args: InferCommandArgs<C>
flags: InferCommandFlags<C>
}
export abstract class Command implements ICommand {
static description?: string
static flags: Record<string, FlagDefinition<string | boolean | number | string[] | undefined>> = {}
static flags: Record<string, FlagDefinition<OptionalArgValueType>> = {}
static args: Record<string, ArgDefinition<string | undefined>> = {}
static examples: string[] = []

11
cli/src/framework/types.ts
View File

@ -1,10 +1,13 @@
import type { CommandOutput } from './output.js'
export type FlagDefinition<T extends string | boolean | number | string[] | undefined = string | boolean | number | string[] | undefined> = {
export type ArgValueType = string | boolean | number | string[]
export type OptionalArgValueType = ArgValueType | undefined
export type FlagDefinition<T extends OptionalArgValueType = OptionalArgValueType> = {
readonly type: 'string' | 'boolean' | 'integer'
readonly description: string
readonly char?: string
readonly default?: string | boolean | number | string[]
readonly default?: ArgValueType
readonly multiple?: boolean
readonly helpGroup?: string
readonly _flagValue?: T
@ -20,11 +23,11 @@ export type InferArgs<TArgs extends Record<string, ArgDefinition<string | undefi
readonly [K in keyof TArgs]: TArgs[K] extends ArgDefinition<infer V> ? V : never
}
export type InferFlags<TFlags extends Record<string, FlagDefinition<string | boolean | number | string[] | undefined>>> = {
export type InferFlags<TFlags extends Record<string, FlagDefinition<OptionalArgValueType>>> = {
readonly [K in keyof TFlags]: TFlags[K] extends FlagDefinition<infer V> ? V : never
}
export type ParsedFlags = Record<string, string | boolean | number | string[] | undefined>
export type ParsedFlags = Record<string, OptionalArgValueType>
export type ParsedArgs = Record<string, string | undefined>