Generic utility functions (Mixin Lodash)

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Installation

 npm install mix-dash

Example Usage

 
var _ = require('mix-dash');

 _.isNullOrUndefined(null); // return true

 _.setNullwhenEmpty(''); // return null

 _.isUrl('http://google.com'); // return true

 _.isNullOrWhiteSpace(''); // return true
_.isNullOrWhiteSpace('  '); // return true
_.isNullOrWhiteSpace(null); // return true
_.isNullOrWhiteSpace(' '); // return true
_.isNullOrWhiteSpace('Hello'); // return false

 _.slug('Zero to Hero with Node.js');
// return zero-to-hero-with-node-js

 _.updateQueryString('http://localhost:3000/cart?couponCode=abc','couponCode','def');
// return http://localhost:3000/cart?couponCode=def

 
_.toKb(100000); // return 100K
_.toKb(9890000); // return 9,89M

 
_.isCrawl('Mozilla/5.0 (Macintosh; Intel Mac OS X 10.11; rv:45.0) Gecko/20100101 Firefox/45.0'); // return false
_.isCrawl('facebookexternalhit/1.1 (+http://www.facebook.com/externalhit_uatext.php)'); // return true
_.isCrawl('Mozilla/5.0 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)'); // return true

Convert seconds to hh:mm:ss javascript

 
_.toHHMMSS(15859); // return 04:24:19

Number format

 
_.numberFormat(10000000); // return 10,000,000

Random date range

 
_.randomDate(new Date('2016-04-01T03:24:00'),new Date('2016-05-01T03:24:00'));

Random String Password

 
//_.randomString(length, chars);

//Chars Include
//a: Include Lowercase ( e.g. abcdefgh )
//A: Include Uppercase ( e.g. ABCDEFGH )
//#: Include Numbers ( e.g. 123456789 )
//!: Include Symbols ( e.g. @#$% )

_.randomString(20,'A#');
// return: 6A7FFY1049EXH8CBF6GK

_.randomString(20,'aA');
// return: KFRnObQPuLmNyqMLnkiR

_.randomString(20,'aA#');
// FRBmz3RBlzsF8b57WAe6

_.randomString(20,'aA#!');
// return: R]]^[V0b'igJA<A[i7&F

Convert json key

 

var map = {
    name : "id",
    amount : "total",
    reported : "updated",
    // date : "issued"
};
var a = {
    name : "Foo",
    amount: 55,
    reported : false,
    date : "10/01/2001"
};

_.mirror(a, map);

//{ id: 'Foo', total: 55, updated: false, date: '10/01/2001' }

Use with Vue

 Vue.use(_);

Conversion between the bitcoin base unit (BTC) and other units (Satoshi, μBTC, ...)

 //['BTC', 'mBTC', 'μBTC', 'bit', 'Satoshi', 'sat']
_.toUnit(5,'BTC', 'sat');
_.toSAT(5);
// 500000000

_.toUnit(50000,'sat', 'BTC');
_.toBTC(50000);
// 0.0005