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@mysten/bcs

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BCS - Canonical Binary Serialization implementation for JavaScript

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import type { Simplify } from '@mysten/utils'; import type { BcsType } from './bcs-type.js'; /** * Supported encodings. * Used in `Reader.toString()` as well as in `decodeStr` and `encodeStr` functions. */ export type Encoding = 'base58' | 'base64' | 'hex'; export type InferBcsType<T extends BcsType<any>> = T extends BcsType<infer U, any> ? U : never; export type InferBcsInput<T extends BcsType<any, any>> = T extends BcsType<any, infer U> ? U : never; export type EnumOutputShape<T extends Record<string, unknown>, Keys extends string = Extract<keyof T, string>, Values = T[keyof T] extends infer Type ? (Type extends BcsType<infer U> ? U : never) : never> = 0 extends Values ? EnumOutputShapeWithKeys<T, never> : 0n extends Values ? EnumOutputShapeWithKeys<T, never> : '' extends Values ? EnumOutputShapeWithKeys<T, never> : false extends Values ? EnumOutputShapeWithKeys<T, never> : EnumOutputShapeWithKeys<T, Keys>; export type EnumOutputShapeWithKeys<T extends Record<string, unknown>, Keys extends string> = { [K in keyof T]: Exclude<Keys, K> extends infer Empty extends string ? Simplify<{ [K2 in K]: T[K]; } & { [K in Empty]?: never; } & { $kind: K; }> : never; }[keyof T]; export type EnumInputShape<T extends Record<string, unknown>> = { [K in keyof T]: { [K2 in K]: T[K]; }; }[keyof T]; export type JoinString<T, Sep extends string> = T extends readonly [ infer F extends string, ...infer R extends string[] ] ? [] extends R ? F : `${F}${Sep}${JoinString<R, Sep>}` : '';