@taprootio/rollup-plugin-taproot/src/helpers.ts/cloneable.ts

Simple static site generation

export class cloneable {
  public static deepCopy<T>(source: T): T {
    return Array.isArray(source)
      ? source.map((item) => this.deepCopy(item))
      : source instanceof Date
      ? new Date(source.getTime())
      : source && typeof source === "object"
      ? Object.getOwnPropertyNames(source).reduce((o, prop) => {
          Object.defineProperty(
            o,
            prop,
            Object.getOwnPropertyDescriptor(source, prop)!
          )
          // eslint-disable-next-line @typescript-eslint/no-explicit-any
          o[prop] = this.deepCopy((source as { [key: string]: any })[prop])
          return o
        }, Object.create(Object.getPrototypeOf(source)))
      : (source as T)
  }
}