1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950
// Copyright 2022 Connor Logan. All rights reserved. MIT License.// This module is browser-compatible.
/** * An object or function responsible for parsing data or throwing errors if the * data isn't shaped as expected. These can either be functions with a single * data argument that return the parsed data or an object with a `parse(data): * unknown` function that does the same. Parsers can be asynchronous. */ export type Parser<I = any, O = any> = (  | ParserFunction<I, O>  | ParserObject<I, O>);
/** * A function that parses data. If data is not shaped as expected, an error * should be thrown. */export interface ParserFunction<I = any, O = any> {  (input: I): Promise<O> | O;}
/** An object with a ParserFunction as its "parse" property. Zod compatible. */export interface ParserObject<I = any, O = any> {  parse(input: I): Promise<O> | O;}
/** Extracts the input type of a given Parser. */export type ParserInput<T> = (  T extends { _input: infer I } ? I // zod    : T extends Parser<infer I> ? I    : never);
/** Extracts the output type of a given Parser. */export type ParserOutput<T> = (  T extends { _output: infer O } ? O // zod    : T extends Parser<any, infer O> ? O    : never);
/** Normalizes a Parser into a ParserFunction. */export function normalizeParser<I = any, O = any>(  parser: Parser<I, O>,): ParserFunction<I, O> {  return (    typeof parser === "function" ? parser    : parser.parse  );}