statque

A little tool to help manage your status by using chainable function

Install

npm install statque

Usage

const SQ = require('statque')
const sq = new SQ()//without default status
const sq2 = new SQ(true)//with default status

/********** modify status ************/
sq.use((key, status) => {
  switch (key) {
    case 'key1':
      status = 1
      break
    case 'key2':
      status = 2
      break
  }
  //status MUST be returned
  return status
})

//can be chainable
sq.use((key, status) => {
  if (key === 'key1') {
    status = 3
  }
  return status
})

/************** get status ************/
assert.equal(sq.get('key1'), 3)
assert.equal(sq.get('key2'), 2)
assert.equal(sq.get('nonExistKey'), undefined)
assert.equal(sq2.get('nonExistKey'), true)

Full API reference

• constructor SQ(defaultStatus)

  const SQ = require('statque')
  const sq = new SQ({a: 1, b: 2})
  

• .use(fn)

    sq.use((key, status) => {
      //key: the key binded with the status
      //status: the status passed by the previous handler
  
      //status MUST be passed to the next handler
      return status
    })

• .get(key)

    const status = sq.get('key')

• .bind(props)

   const sq = new SQ()
   //bind property
   sq.bind({a: 1, b: 2})
  
   //can be retrieved in use handlers
   sq.use((key, status) => {
     const props = this.props
     assert.deepEqual(props, {a: 1, b: 2})
     return status
   })