ox
Version:
Ethereum Standard Library
38 lines • 2.54 kB
TypeScript
import type { AbiParameter } from 'abitype';
import type { Narrow } from 'abitype';
import type { Error, Filter } from './types.js';
import type { IsStructSignature, Modifier } from './types/signatures.js';
import type { ParseStructs } from './types/structs.js';
import type { SplitParameters } from './types/utils.js';
import type { ParseAbiParameters as ParseAbiParameters_ } from './types/utils.js';
/**
* Parses human-readable ABI parameters into `AbiParameter`s.
*
* @param params - Human-readable ABI parameters
* @returns Parsed `AbiParameter`s.
*/
export type ParseAbiParameters<params extends string | readonly string[] | readonly unknown[]> = (params extends string ? params extends '' ? never : string extends params ? readonly AbiParameter[] : ParseAbiParameters_<SplitParameters<params>, {
modifier: Modifier;
}> : never) | (params extends readonly string[] ? string[] extends params ? AbiParameter : ParseStructs<params> extends infer structs ? {
[key in keyof params]: params[key] extends string ? IsStructSignature<params[key]> extends true ? never : ParseAbiParameters_<SplitParameters<params[key]>, {
modifier: Modifier;
structs: structs;
}> : never;
} extends infer mapped extends readonly unknown[] ? Filter<mapped, never> extends readonly [...infer content] ? content['length'] extends 0 ? never : DeepFlatten<content> : never : never : never : never);
/**
* Flatten all members of `T`.
*
* @param T - List of items to flatten
* @param Acc - The accumulator used while recursing
* @returns The flattened array
*/
type DeepFlatten<T extends readonly unknown[], Acc extends readonly unknown[] = readonly []> = T extends readonly [infer head, ...infer tail] ? tail extends undefined ? never : head extends readonly unknown[] ? DeepFlatten<tail, readonly [...Acc, ...DeepFlatten<head>]> : DeepFlatten<tail, readonly [...Acc, head]> : Acc;
/**
* Parses human-readable ABI parameters into `AbiParameter`s.
*
* @param params - Human-readable ABI parameters
* @returns Parsed `AbiParameter`s.
*/
export declare function parseAbiParameters<params extends string | readonly string[] | readonly unknown[]>(params: Narrow<params> & ((params extends string ? params extends '' ? Error<'Empty string is not allowed.'> : unknown : never) | (params extends readonly string[] ? params extends readonly [] ? Error<'At least one parameter required.'> : string[] extends params ? unknown : unknown : never))): ParseAbiParameters<params>;
export {};
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