Nodeon-helpers NPM

nodeON-helpers

A Collection of helper methods.

Install

Install the module using NPM:

npm install nodeon-helpers --save

API

Generate a random string

helpers.generateRandomString(optLength)
optLength number= Define length, default 32.
Returns string The random string.

Returns a randomized string.

[⬆]

Generate a random number

helpers.generateRandomNumber(optLength)
optLength number= Define length, default 20.
Returns string The random string of numbers.

Returns a randomized string only with numbers.

[⬆]

Get a url safe string

helpers.urlify(text, optRandLen)
text string The string to urlify.
optRandLen number How many numbers to use for randomizing the url, default 6.

Get a url safe string.

var helpers = require('nodeon-helpers');

var urlString = helpers.urlify('a name with spaces');

console.log(urlString);
// prints: "458202-a-name-with-spaces"

[⬆]

Truncate arguments from a function

helpers.truncateArgs(fn, count, optSelf)
fn Function The function to truncate arguments.
count number How many arguments to allow before truncating.
optSelf Object= Optionally apply context.
Return Function The function to invoke.

Will truncate arguments from a function.

var helpers = require('nodeon-helpers');

function run(one, two, three) {
    console.log(one); // prints 1
    console.log(two); // prints "undefined"
    console.log(three); // prints "undefined"
}

var fn = helpers.truncateArgs(run, 1);

fn(1, 2, 3);

[⬆]

Skip arguments from a function

helpers.skipArgs(fn, count, optSelf)
fn Function The function to skip arguments for.
count number How many arguments to skip.
optSelf Object= Optionally apply context.
Return Function The function to invoke.

Will skip the first n arguments from a function.

var helpers = require('nodeon-helpers');

function run(one) {
    console.log(one); // prints 3
}

var fn = helpers.skipArgs(run, 2);

fn(1, 2, 3);

[⬆]

Will copy an array over an existing one

helpers.pushCopy(src, dst)
src Array The source array.
dst Array The destination array.

Will copy an array over an existing one.

var helpers = require('nodeon-helpers');

var src = [4,5,6];
var dst = [1,2,3];

helpers.pushCopy(src, dst);

console.log(dst);
// prints: [1, 2, 3, 4, 5, 6]

[⬆]

Get the current user HOME dir.

helpers.getUserHome()
Return string The full path to the user's HOME.

Get the user's HOME directory.

[⬆]

Determine if a value is numeric.

helpers.isNumeric(value)
value string|number The value to check.
Return boolean If the value is numeric.

[⬆]

Determine if Express Request Accepts JSON

helpers.isRequestJson(req)
req Object The Express request object.
Return boolean If client accepts JSON.

[⬆]

Zero Padding on a number

helpers.zeroPadding(number, width)
number number The number to apply zeropadding on.
number width The padding.
Return string The zero padded number.

var padded = helpers.zeroPadding(2, 3);
// '002'

[⬆]

Release History

v1.0.0, 04 May 2016
- Remove bcrypt dependency by decoupling all crypto methods into the new package nodeON-crypto.
- Removed methods:
  - salt
  - setSalt
  - hash
  - hashVerify
v0.1.9, 17 Aug 2015
- Added option to ignore char limit for hash.
v0.1.8, 14 Aug 2015
- Will now return error if string for hash is 72chars or longer, bcrypt will not handle it.
- Upgraded all dependencies to latest.
v0.1.7, 14 May 2015
- Made all npm dependencies specific, thank you @kbariotis.
v0.1.6, 03 Apr 2015
- Added the zeroPadding method.
v0.1.5, 11 Dec 2014
- Added the isRequestJson method.
v0.1.4, 24 Oct 2014
- Added skipArgs() method.
v0.1.3, 19 Sep 2014
- Added isNumeric() method.
v0.1.0, 14 Aug 2014
- Big Bang