Tiny Flux Store for React

TinyStore.js

class TinyStore {
  constructor(key) {
    this._events = {};
    this._data = undefined;
    this._key = key;
  }

  on(evt, fn) {
    let list = this._events[evt] = this._events[evt] || [];
    for (let fnItem of list)
      if (fnItem === fn) return;
    list.push(fn);
  }

  off(evt, fn) {
    let list = this._events[evt] = this._events[evt] || [];
    for (let i = 0; i < list.length; i++) {
      if (list[i] === fn) {
        list.splice(i, 1);
        return;
      }
    }
  }

  emit(ev) {
    if (!this._events[ev]) return;
    let list = this._events[ev] = this._events[ev] || [];
    let args = Array.prototype.slice.call(arguments).slice(1);
    for (let fnItem of list)
      fnItem(...args);
  }

  allOff() {
    this._events = {};
  }

  get() {
    return this._data;
  }

  change(data) {
    this._data = data;
    this.emit('change');
  }
}

export default Store;