event-emitter-tree

event emitter of tree shape, offer pipe operation.

Feature

• event of tree shape
• trigger eventItem and trigger eventTree
• pipe operation
• support typescript

Doc

• doculment click here, welcome to star & issue!

Install

  yarn add event-emitter-tree
  npm i event-emitter-tree

Use

• use with esm

  import {EventCore} from 'event-emitter-tree';

• use with commonjs

  const {EventCore} = require('event-emitter-tree');

Description

• the tree forked by a string ->
• take pe for an example, if you bind event pe,pe->basketball, pe->basketball->shooting, pe->football->defence, then you can trigger one of them or a tree flexibly.
• bind Event:

  let core = new EventCore();
  core.on('pe', fnPe);
  core.on('pe->basketball', fnPeBasketball);
  core.on('pe->basketball->shooting', fnPeBasketballShooting);
  core.on('pe->football->defence', fnPeFootballDefence);

• the eventTree would be as follows:

{
  pipe: pipePe,
  tree: {
    basketball: {
      pipe: pipePeBasketball,
      tree: {
        shooting: {
          pipe: pipePeBasketballShooting
        }
      }
    },
    football: {
      tree: {
        defence: {
          pipe: pipePeFootballDefence
        }
      }
    }
  }
}

• you can trigger eventItem or eventTree

  core.trigger('pe->basketball');
  core.triggerTree('pe')