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• .. (вверх)
• [DIR] ..
• [FILE] abi.ts
• [FILE] abiConstructor.ts
• [FILE] abiError.ts
• [FILE] abiEvent.ts
• [FILE] abiFunction.ts
• [FILE] abiItem.ts
• [FILE] abiParameters.ts
• [FILE] base58.ts
• [FILE] bytes.ts
• [FILE] cursor.ts
• [FILE] ens.ts
• [FILE] entropy.ts
• [FILE] errors.ts
• [FILE] hdKey.ts
• [FILE] hex.ts
• [FILE] lru.ts
• [DIR] mnemonic
• [FILE] promise.ts
• [FILE] register.ts
• [FILE] rpcSchema.ts
• [DIR] rpcSchemas
• [FILE] rpcTransport.ts
• [FILE] types.ts
• [FILE] uid.ts
• [FILE] webauthn.ts

Просмотр файла: abiEvent.ts

import type * as abitype from 'abitype'
import type * as Filter from '../Filter.js'
import type * as Hex from '../Hex.js'
import type * as AbiItem_internal from './abiItem.js'
import type {
  Compute,
  Filter as Filter_internal,
  MaybeRequired,
  TypeErrorMessage,
  UnionToIntersection,
} from './types.js'

/** @internal */
export type EventParameterOptions = {
  EnableUnion?: boolean
  IndexedOnly?: boolean
  Required?: boolean
}

/** @internal */
export type DefaultEventParameterOptions = {
  EnableUnion: true
  IndexedOnly: true
  Required: false
}

/** @internal */
export type IsSignature<signature extends string> =
  | (AbiItem_internal.IsEventSignature<signature> extends true ? true : never)
  | (AbiItem_internal.IsStructSignature<signature> extends true
      ? true
      : never) extends infer condition
  ? [condition] extends [never]
    ? false
    : true
  : false

/** @internal */
export type Signature<
  signature extends string,
  key extends string | unknown = unknown,
> = IsSignature<signature> extends true
  ? signature
  : string extends signature // if exactly `string` (not narrowed), then pass through as valid
    ? signature
    : TypeErrorMessage<`Signature "${signature}" is invalid${key extends string
        ? ` at position ${key}`
        : ''}.`>

/** @internal */
export type Signatures<signatures extends readonly string[]> = {
  [key in keyof signatures]: Signature<signatures[key], key>
}

/** @internal */
export type ParametersToPrimitiveTypes<
  abiParameters extends readonly abitype.AbiParameter[],
  options extends EventParameterOptions = DefaultEventParameterOptions,
  // Remove non-indexed parameters based on `Options['IndexedOnly']`
> = abiParameters extends readonly []
  ? readonly []
  : Filter_internal<
        abiParameters,
        options['IndexedOnly'] extends true ? { indexed: true } : object
      > extends infer Filtered extends readonly abitype.AbiParameter[]
    ? Filtered extends readonly []
      ? readonly []
      : HasNamedAbiParameter<Filtered> extends true
        ? // All tuple parameters are named so return as object
          UnionToIntersection<
            {
              [index in keyof Filtered]: Filtered[index] extends {
                name: infer name extends string
              }
                ? {
                    [key in name]?:
                      | ParameterToPrimitiveType<Filtered[index], options>
                      | undefined
                  }
                : {
                    [key in index]?:
                      | ParameterToPrimitiveType<Filtered[index], options>
                      | undefined
                  }
            }[number]
          > extends infer Mapped
          ? Compute<
              MaybeRequired<
                Mapped,
                options['Required'] extends boolean
                  ? options['Required']
                  : false
              >
            >
          : never
        : // Has unnamed tuple parameters so return as array
            | readonly [
                ...{
                  [K in keyof Filtered]: ParameterToPrimitiveType<
                    Filtered[K],
                    options
                  >
                },
              ]
            // Distribute over tuple to represent optional parameters
            | (options['Required'] extends true
                ? never
                : // Distribute over tuple to represent optional parameters
                  Filtered extends readonly [
                      ...infer Head extends readonly abitype.AbiParameter[],
                      infer _,
                    ]
                  ? ParametersToPrimitiveTypes<
                      readonly [
                        ...{ [K in keyof Head]: Omit<Head[K], 'name'> },
                      ],
                      options
                    >
                  : never)
    : never

/** @internal */
export type ParameterToPrimitiveType<
  abiParameter extends abitype.AbiParameter,
  //
  options extends EventParameterOptions = DefaultEventParameterOptions,
  _type = abitype.AbiParameterToPrimitiveType<abiParameter>,
> = options['EnableUnion'] extends true ? TopicType<_type> : _type

/** @internal */
export type TopicType<
  primitiveType = Hex.Hex,
  topic extends Filter.Topic = Filter.Topic,
> = topic extends Hex.Hex
  ? primitiveType
  : topic extends readonly Hex.Hex[]
    ? primitiveType[]
    : topic extends null
      ? null
      : never

/** @internal */
export type HasNamedAbiParameter<
  abiParameters extends readonly abitype.AbiParameter[],
> = abiParameters extends readonly [
  infer Head extends abitype.AbiParameter,
  ...infer Tail extends readonly abitype.AbiParameter[],
]
  ? Head extends { name: string }
    ? Head['name'] extends ''
      ? HasNamedAbiParameter<Tail>
      : true
    : HasNamedAbiParameter<Tail>
  : false

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