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44 lines
891 B
44 lines
891 B
declare function arg<T extends arg.Spec>( |
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spec: T, |
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options?: arg.Options |
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): arg.Result<T>; |
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declare namespace arg { |
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export const flagSymbol: unique symbol; |
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export function flag<T>(fn: T): T & { [arg.flagSymbol]: true }; |
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export const COUNT: Handler<number> & { [arg.flagSymbol]: true }; |
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export type Handler<T = any> = ( |
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value: string, |
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name: string, |
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previousValue?: T |
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) => T; |
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export class ArgError extends Error { |
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constructor(message: string, code: string); |
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code: string; |
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} |
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export interface Spec { |
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[key: string]: string | Handler | [Handler]; |
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} |
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export type Result<T extends Spec> = { _: string[] } & { |
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[K in keyof T]?: T[K] extends Handler |
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? ReturnType<T[K]> |
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: T[K] extends [Handler] |
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? Array<ReturnType<T[K][0]>> |
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: never; |
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}; |
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export interface Options { |
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argv?: string[]; |
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permissive?: boolean; |
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stopAtPositional?: boolean; |
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} |
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} |
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export = arg;
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