VueJS - Implementing Computed Property - Part Two

watcher.js

class Watcher {

  constructor(vm, valueFn) {
    this.vm = vm;
    this.getter = valueFn;
    this.value = this.get();
  }

  get() {
    let value;
    const vm = this.vm;
    value = this.getter.call(vm);
    return value;
  }

}


module.exports = Watcher;