node-utils

Node.js module exposing some of the basic utils that helps in basic development which I came across during development

Author: Gaurav Joshi

Start

const Utils = require('node-utils');

• node-utils
  • Methods
    • beautifyDate(date, [format, seperator])
    • beautifyMoney(amount, [currency, raw])
    • beautifyNumber(number, [decPlaces])
    • containsWord(string, word)
    • getDaysDiff(date)
    • getPathFromUrl(url)
    • getQueryParamByName(param, url)
    • getQueryString(url)
    • getRandomNumber(min, max)
    • getRandomString(len, charStr)
    • isUrlValid(url)
    • startsWith(string, searchString, [position])
    • stripHtml(html, [all])

Methods

beautifyDate(date, [format, seperator])

Generates a decorated date object where:

• date - date.
• format - optional format. Available formats are yyyy, mm, yyyy-mm-dd, yyyy-mm-dd h:i, mm-dd-yyyy hh:ss .
• seperator - optional Date sepeartor default "-".

Utils.beautifyDate('01/16/2016', 'YYYY');

Returns following result:

2017

beautifyNumber(number, [decPlaces])

Generates a decorated Number where:

• number - number.
• decPlaces - optional format. Decimal place to round of number .

Utils.beautifyNumber(1050000, 2);

Returns following result:

1.05M

beautifyMoney(amount, [currency, raw])

Generates a decorated amount where:

• amount - amount.
• currency - optional currency. Available currency format USD,EUR,CRC,GBP,ILS,INR,JPY,KRW,NGN,PHP,PLN,PYG,THB,UAH,VND. Default USD
• raw - optional raw. {boolean}

Utils.beautifyMoney(1545, 'GBP')

Returns following result:

£1.55K

getDaysDiff(date)

Returns days diff from current date

• date - date.

Utils.getDaysDiff('01/01/2017')

Returns following result:

16

stripHtml(html, [all])

Strips HTML content from HTML string. (Returns a promise)

• html - HTML string.
• all - Boolean If true strips all HTML content otherwise strips only script tag and its content

	Utils.stripHtml('<script>alert(1);</script><p>HI GAURAV JOSHI</p><script>alert(1);</script>', true)
	.then( str => {
		console.log(str);
	});

Returns following result:

HI GAURAV JOSHI

containsWord(string, word)

Checks word exists in the string and return true or false accordingly. (*NOTE: check existence of complete word not sub string)

• string - string - string in which to check
• word - word - word to check

	Utils.containsWord('Hi I am a MEAN stack developer', 'MEAN');
	 AND
	Utils.containsWord('Hi I am a MEAN stack developer', 'velop');

Returns following result:

true

AND

false

getRandomNumber(min, max)

Returns random number between passed range

• min - number - min range default 0
• max - number - max range default 1

	Utils.getRandomNumber(1, 5);

Returns number

isUrlValid(url)

Returns random number between passed range

• url - string - URL string

	Utils.isUrlValid('https://☺.damowmow.com/');

Returns boolean

true

getPathFromUrl(url)

Returns path from url skipping query parameters

• url - string - URL string

	Utils.getPathFromUrl('https://☺.damowmow.com?a=3');

Returns string

https://☺.damowmow.com

getQueryString(url)

Returns query string parameters as an javascript oblect

• url - string - URL string

	Utils.getQueryString('https://☺.damowmow.com?a=3&b=4');

Returns object

{"a": 3, "b": 4}

getQueryParamByName(param, url)

Returns query string values

• param - string - Param name
• url - string - URL string

	Utils.getQueryParamByName('a', 'https://☺.damowmow.com?a=3&b=4');

Returns value or null

3

startsWith(string, searchString, [position])

Determines whether the beginning of searchString instance matches the specified string when compared using the position.

• string - string - The string from compare.
• searchString - string - The string to compare.
• position - number - position

	Utils.startsWith('Hello MEAN developers', 'EAN', 7);

Returns boolean

true

getRandomString(len, charStr)

Returns random string of passed length

• len - number - length of random string default 4
• charStr - string - charcters list to create random string default aplha numeric

	Utils.getRandomString(4);

Returns string