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import type { HexString } from 'https://deno.land/x/polkadot@0.2.33/util/types.ts';import type { AnyJson, Codec, Inspect, IU8a, Registry } from '../types/index.ts';
import { isFunction, objectProperties, stringify } from 'https://deno.land/x/polkadot@0.2.33/util/mod.ts';
import { compareMap } from '../utils/index.ts';
/** @internal */function decodeJson (value?: Record<string, unknown> | null): [string, any][] {  return Object.entries(value || {});}
/** * @name Json * @description * Wraps the a JSON structure retrieve via RPC. It extends the standard JS Map with. While it * implements a Codec, it is limited in that it can only be used with input objects via RPC, * i.e. no hex decoding. Unlike a struct, this waps a JSON object with unknown keys * @noInheritDoc */export class Json extends Map<string, any> implements Codec {  readonly registry: Registry;
  public createdAtHash?: IU8a;  public initialU8aLength?: number;  public isStorageFallback?: boolean;
  constructor (registry: Registry, value?: Record<string, unknown> | null) {    const decoded = decodeJson(value);
    super(decoded);
    this.registry = registry;
    objectProperties(this, decoded.map(([k]) => k), (k) => this.get(k));  }
  /**   * @description Always 0, never encodes as a Uint8Array   */  public get encodedLength (): number {    return 0;  }
  /**   * @description returns a hash of the contents   */  public get hash (): IU8a {    return this.registry.hash(this.toU8a());  }
  /**   * @description Checks if the value is an empty value   */  public get isEmpty (): boolean {    return [...this.keys()].length === 0;  }
  /**   * @description Compares the value of the input to see if there is a match   */  public eq (other?: unknown): boolean {    return compareMap(this, other);  }
  /**   * @description Returns a typed value from the internal map   */  public getT <T> (key: string): T {    return this.get(key) as unknown as T;  }
  /**   * @description Unimplemented, will throw   */  public inspect (): Inspect {    throw new Error('Unimplemented');  }
  /**   * @description Unimplemented, will throw   */  public toHex (): HexString {    throw new Error('Unimplemented');  }
  /**   * @description Converts the Object to to a human-friendly JSON, with additional fields, expansion and formatting of information   */  public toHuman (): Record<string, AnyJson> {    return [...this.entries()].reduce<Record<string, AnyJson>>((json, [key, value]): Record<string, AnyJson> => {      json[key] = isFunction((value as Codec).toHuman)        ? (value as Codec).toHuman()        : value as AnyJson;
      return json;    }, {});  }
  /**   * @description Converts the Object to JSON, typically used for RPC transfers   */  public toJSON (): Record<string, AnyJson> {    return [...this.entries()].reduce<Record<string, AnyJson>>((json, [key, value]): Record<string, AnyJson> => {      json[key] = value as AnyJson;
      return json;    }, {});  }
  /**   * @description Converts the value in a best-fit primitive form   */  public toPrimitive (): Record<string, AnyJson> {    return [...this.entries()].reduce<Record<string, AnyJson>>((json, [key, value]): Record<string, AnyJson> => {      json[key] = isFunction((value as Codec).toPrimitive)        ? (value as Codec).toPrimitive()        : value as AnyJson;
      return json;    }, {});  }
  /**   * @description Returns the base runtime type name for this instance   */  public toRawType (): string {    return 'Json';  }
  /**   * @description Returns the string representation of the value   */  public override toString (): string {    return stringify(this.toJSON());  }
  /**   * @description Unimplemented, will throw   */  public toU8a (_isBare?: boolean): Uint8Array {    throw new Error('Unimplemented');  }}