gulp-bird/vconsole/lib/plugin.js

bird-v2

/**
 * vConsole Plugin Class
 *
 * @author WechatFE
 */

class VConsolePlugin {
  
  constructor(id, name = 'newPlugin') {
    this.id = id;
    this.name = name;

    this.eventList = {};
  }

  get id() {
    return this._id;
  }
  set id(value) {
    if (!value) {
      throw 'Plugin ID cannot be empty';
    }
    this._id = value.toLowerCase();
  }

  get name() {
    return this._name;
  }
  set name(value) {
    if (!value) {
      throw 'Plugin name cannot be empty';
    }
    this._name = value;
  }

  /**
   * register an event
   * @public
   * @param string
   * @param function
   */
  on(eventName, callback) {
    this.eventList[eventName] = callback;
    return this;
  }

  /**
   * trigger an event
   * @public
   * @param string
   * @param mixed
   */
  trigger(eventName, data) {
    if (typeof this.eventList[eventName] === 'function') {
      // registered by `.on()` method
      this.eventList[eventName].call(this, data);
    } else {
      // registered by `.onXxx()` method
      let method = 'on' + eventName.charAt(0).toUpperCase() + eventName.slice(1);
      if (typeof this[method] === 'function') {
        this[method].call(this, data);
      }
    }
    return this;
  }

} // END class

export default VConsolePlugin;