shadow-function/src/shadowFunction/proxy.ts

ioing lib - shadow Function, worker Function

class ProxyPolify {
  constructor (target: object, handler: { get: Function, set: Function }) {
    if (!target['ee']) console.log(this.constructor({ ee: 4 }))
    const puppet = {}
    if (Array.isArray(target)) {
      const props = Object.getOwnPropertyNames(Array.prototype)
      props.map((key) => {
        if (typeof target[key] === 'function') {
          Object.defineProperty(puppet, key, {
            enumerable: false,
            value: target[key].bind(target)
          })
        } else {
          Object.defineProperty(puppet, key, {
            enumerable: false,
            get: () => handler.get ? handler.get(target, key) : this.constructor(target[key]),
            set: (value) => handler.set ? handler.set(target, key, value) : target[key] = this.constructor(value)
          })
        }
      })
    }
    for (let key in target) {
      Object.defineProperty(puppet, key, {
        get: () => handler.get ? handler.get(target, key) : this.constructor(target[key]),
        set: (value) => handler.set ? handler.set(target, key, value) : target[key] = this.constructor(value)
      })
    }
    return puppet
  }
}

export default typeof Proxy === 'function' ? Proxy : ProxyPolify