fn

Useful function

For my work

Installation

NPM

Installation via npm

$ npm install --save useful-fn

CommonJS

var fn = require('useful-fn')

var param = fn.param

// alternatively
var param = require('useful-fn/param')

ES2015

import fn from 'useful-fn'

// alternatively
import param from 'useful-fn/param'

Usage

currency

import currency from 'useful-fn/currency'

currency(1000) // 1,000.00

isArray

import isArray from 'useful-fn/is/array'

isArray([]) // true

isFunction

import isFunction from 'useful-fn/is/function'

function foo() {}
isFunction(foo) // true

isNumber

import isNumber from 'useful-fn/is/number'

isNumber(1) // true
isNumber(NaN) // false
isNumber(infinite) // false

param

import param from 'useful-fn/param'

var s = param({
  username: 'john',
  password: 'qwerty',
  favourite: ['apple', 'orange']
})
// s => 'username=john&password=qwerty&favourite=apple&favourite=orange'

parseQuery

import parseQuery from 'useful-fn/parse-query'

var obj = parseQuery(window.location.search.slice(1))

transition

import transition from 'useful-fn/transition'

if (transition) {
  element.addEventListener(transition.end, function() {
    //
  })
} else {
  // Not support
}

License

Under The MIT License.