@scale-codec/enum/dist/lib.mjs

Simple JavaScript abstraction around Rust Enums

// tsc-build/enum/src/lib.js
var variant = (...args) => new VariantImpl(...args);
var VariantImpl = class {
  tag;
  __c;
  constructor(...args) {
    this.tag = args[0];
    this.__c = args.length > 1 ? [args[1]] : null;
  }
  get unit() {
    return !this.__c;
  }
  get content() {
    return this.__c?.[0] ?? void 0;
  }
  as(tag) {
    if (this.tag !== tag)
      throw new Error(`Cannot cast enum variant "${this.tag}${this.unit ? "" : `(${String(this.content)})`}" as "${tag}"`);
    if (this.unit)
      throw new Error(`Cannot cast enum variant "${this.tag}" to its content because it is unit`);
    return this.content;
  }
  toJSON() {
    const { tag, content, unit } = this;
    return unit ? { tag } : { tag, content };
  }
};
export {
  variant
};