Package Exports
- sussy-util
- sussy-util/build/index.js
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Readme

Sussy Util
Just a few Functions and Classes made by me
Version 1.8.0
Table of Contents
Classes
AbstractClass
This class allows you to make an abstract class in JavaScript.
Usage:
const { AbstractClass } = require('sussy-util'); class SUS extends AbstractClass { constructor() { super(SUS); // now it will throw an error if you try to make an instance of this class without extending it first } }
Collection
// create a collection const { Collection } = require('sussy-util'); const collection = new Collection(); //usage example collection.add({ key: /* your key */ , value: /* your value */ }); collection.put({ key: /* your key */ , value: /* your value */ }); // add or replace const value = collection.get(key); collection.remove(key); collection.toArray(); // returns a array of MapEntry collection.has(key); collection.missing(key); collection.toString(); collection.toJSONString(); collection.count(); // returns the amount of entries
DateUtil
// get DateUtil class const { DateUtil } = require('sussy-util'); //static functions DateUtil.getCurrentDate(); // returns the current date DateUtil.today(); // returns the current date at 00:00:00 DateUtil.tomorrow(); // returns the next day at 00:00:00 DateUtil.yesterday(); // returns the last day at 00:00:00 DateUtil.conpareDates(date1,date2); // returns and interger based on which date is bigger DateUtil.equals(date1, date2); // returns boolean based of if both dates are identical DateUtil.getMonthAbbr(month); // returns the abbreviated month name based on the number given DateUtil.getMonthFullName(month); // returns the full month name based on the number given DateUtil.getDayAbbr(day); // returns the abbreviated day name based on the number given DateUtil.getDayFullName(day); // returns the full day name based on the number given DateUtil.isLeapYear(year); // returns boolean based on if the given year is a leap year DateUtil.weekFirstDay(); // returns the first week day of the current week DateUtil.weekLastDay(); // returns the last week day of the current week DateUtil.leapYearsInRange(12, 2020); // returns all leap years in the given range DateUtil.getMonthFirstDay(); // returns the first day of the current month DateUtil.getMonthLastDay(); // returns the last day of the current month
ImprovedArray
// create a ImprovedArray const { ImprovedArray } = require('sussy-util'); const array = new ImprovedArray(/* put initial items here */); //usage example // getting items from array const elm = array[index]; //has all Array functions array.insertAt(index, ...values); // inserts items at index array.remove(index); // remove elements from array at index const index = array.getRandomIndex(); // returns random index of array const element = array.getRandomElement(); // returns element at random index array.clear(); // removes all elements array.clone(); // returns clone const empty = array.isEmpty(); // returns if the array is empty true else false array.none(function); // returns true if none of the array elements fits the specified function array.rejected(function); // opposite of Array.prototype.filter array.sum(); // returns the sum of all elements of the array array.removeDuplicates(); // removes duplicates array.scramble(); // scrambles the array array.countOccurrences(value); // counts how often the value given is in the array array.flatten(); // flattens the array array.toJSONString();
IsSomething
// get IsSomething class const { IsSomething } = require('sussy-util'); // static methods IsSomething.isArray(); // returns true if the given value is a array IsSomething.isBoolean(); // returns true if the given value is a boolean IsSomething.isClass(); // returns if the given value is a class constructor IsSomething.isDate(); // returns true if the given value is a instanceof Date IsSomething.isError(); // returns true if the given value is a instanceof Error IsSomething.isEven(); // returns true if the given number is even returns null if given value is not a number IsSomething.isFunction(); // returns true if the given value is a function IsSomething.isNullorUndefined(); // returns true if the given value is null or undefined IsSomething.isNumber(); // returns true if the given value is a number or a string which contains only digits IsSomething.isObject(); // returns true if the given value is a object but not an array IsSomething.isPrime(); // returns true if the given number is a prime number returns null if given value is not a number IsSomething.isRegExp(); // returns true if the given value is a regular expression IsSomething.isString(); // returns true if the given value is a string IsSomething.isSymbol(); // returns true if the given is a instanceof Symbol
Random
const { Random } = require('sussy-util'); Random.randomInt(upper, lower); // returns a random integer with upper and lower bounds given Random.randomDouble(upper, lower); // returns a random double with upper and lower bounds Random.randomString(length, charset?); // returns a random string with given length and charset Random.randomChar(charset?); // returns a random char with given charset Random.randomElement(array?); // returns a random element of an array
Set
// create a Set const { Set } = require('sussy-util'); const set = new Set(); //usage example set.push(elm); // put elm in set if not already in set set.delete(elm); // removes the first elements which equals elm set.isEmpty(); // returns if set is empty const elm = set.get(index); // returns elm at index const length = set.length(); // returns number of elements in set set.remove(number); // removes the element at index set.changeCheckFunction(() => {}); // changes the check function for each element set.toString(); set.toJSONString();
Stack
// create a Stack const { Stack } = require('sussy-util'); const stack = new Stack(); //usage example stack.push(...elm); // put elm on top of stack const value = stack.pop(); // returns value on top of stack and removes it const value = stack.peek(); // returns value on top of stack without removing it stack.empty(); // returns if stack is empty stack.toArray(); // returns stack as array stack.toString(); stack.toJSONString();
StringUtil
// get StringUtil class const { StringUtil } = require('sussy-util'); //static function example usage StringUtil.reverse("Sussy"); // reverses the string | output: yssus StringUtil.isDiscordUsername("Sussy#1234"); // checks if string is a discord username | output: true StringUtil.isStrongPassword("kaljsd"); // checks if string is a strong password | output: false StringUtil.isWeakPassword("kaljsd"); // checks if string is a weak password | output: true StringUtil.isEmail("sussyBalls@gmail.com"); // checks if string is a email | output: true StringUtil.isInteger("12wqeq"); // output: false StringUtil.isURL("https://sus.com/"); // output: true StringUtil.shorten("Amogus SUS", length, elipse count); StringUtil.slugify("Amogus SUS"); // returns amogus-sus StringUtil.stripHtmlTags("<sussy> balls </sussy>") // removes html tags | returns balls StringUtil.capitalize("no bitches?"); // Makes the first letter uppercase and the rest lowercase | returns No bitches? StringUtil.isIPv6("::1"); // checks if string is a IPv6 address | returns true StringUtil.isIPv4("127.0.0.1"); // checks if string is a IPv4 address | returns true StringUtil.isIP("168.10.0.1"|"c927:501c:abf9:bc8f:c86d:541a:c354:120f"); // checks whether string is a IP address or not | eturns true StringUtil.isMacAddress("82-D3-32-D3-5D-43"); // checks if string is a MAC address | returns true StringUtil.isPhoneNumber(""); // checks if string is a phone number StringUtil.camelCase("sus amogus"); // uses the capitalize function | returns Sus Amogus StringUtil.randomColorCode(); // returns random hex color code StringUtil.randomCharacter(charset?); // returns a random character based on the current charset StringUtil.randomString(length, charset?); // returns a random string with the length given StringUtil.randomDiscordUsername(withSufix:boolean); // returns a random string with length 4 - 32 if withSufix is true then # and 4 random numbers will be added StringUtil.generatePassword(length, charset?); // returns a random strong password with given length if charset allows it StringUtil.wordCount(string); // returns the amount of words in the string StringUtil.getRatingString(number of stars); // 1 - 5 stars returns full/empty stars StringUtil.normalizeLineBreaks(string, lineEnd?); // returns string with only one type of line break StringUtil.contains(string, searchsParam); // returns boolean based on if the second string is in the first string StringUtil.repeat(string, number); // returns string repeated number amount of times StringUtil.rpad(string, number); // returns string padded on the right site to given length: number StringUtil.lpad(string, number); // returns string padded on the left site to given length: number StringUtil.uncapitalize(string); StringUtil.isFloat(string); StringUtil.splice(); StringUtil.rtrim(); StringUtil.ltrim();
Functions
addProperty
const { addProperty } = require('sussy-util'); addProperty({sus:true}, "imposter", true); // output: { sus:true, imposter:true }
asyncHandler
const { asyncHandler } = require('sussy-util'); const [ result, error ] = await asyncHandler(promiseFunction, params); if(error) { console.log(error); } if(result) { // do stuff }
attributesToArray
const { attributesToArray } = require('sussy-util'); attributesToArray({ sus:true, imposter:true }, true); // output: [true, true];
betterRound
const { betterRound } = require('sussy-util'); console.log(betterRound(123.56, 1)); // output: 123.6
bytesToSize
const { bytesToSize } = require('sussy-util'); const bytesString = bytesToSize(12300); console.log(bytesString); // output: 12.0 KB
callbackify
const { callbackify, betterRound } = require('sussy-util'); callbackify(betterRound, (res, err) => { if(err) { //do something } console.log(res); // output: 123.12 }, 123.123, 2);
callIfFunction
const { callIfFunction } = require('sussy-util'); callIfFunction(() => true); // output: true callIfFunction({hi:false}); // output: null
deepClone
const { deepClone } = require('sussy-util'); deepClone({er:true, us:{or:true}}): // output: {er:true, us:{or:true}}
getTypeString
const { getTypeString } = require('sussy-util'); getTypeString(213); // output: number getTypeString("sad"); // output: string getTypeString(class sus { constructor(){} }); // output: class getTypeString(() => {}); // output: function
hasProperty
const { hasProperty } = require('sussy-util'); hasProperty({ sus:true }, "sus"); // output: true
hasValue
const { hasValue } = require('sussy-util'); console.log(hasValue(123)); // output: true console.log(hasValue([]); // output: false console.log(hasValue([23]); // output: true console.log(hasValue([[],[]]); // output: false console.log(hasValue(() => {})); // output: true console.log(hasValue(undefined)); // output: false console.log(hasValue(true)); // output: true console.log(hasValue(false)); // output: true console.log(hasValue(new RegExp())); // output: false console.log(hasValue(new RegExp("sus")); // output: true console.log(hasValue(""); // output: false console.log(hasValue(" amogus "); // output: true
measureTime
const { measureTime } = require('sussy-util'); measureTime(label, function, params); // logs the time it takes to run the function
merge
const { merge } = require('sussy-util'); console.log(merge({ a:12, b:34 }, { m:34 })); // output: { a:12, b:34, m:34 }
objectToString
const { objectToString } = require('sussy-util'); objectToString({}); // output: [object Object]
removeFirstDigit
const { removeFirstDigit } = require('sussy-util'); console.log(removeFirstDigit(123); // output: 23
removeLastDigit
const { removeLastDigit } = require('sussy-util'); console.log(removeLastDigit(123)); // output: 12
removeProperty
const { removeProperty } = require('sussy-util'); removeProperty({ sus:true, imposter:true }, "imposter"); // output: { sus:true }
removeXDigits
const { removeXDigits } = require('sussy-util'); console.log(removeXDigits(7213, 3); // removes x amount of digits from behind | output: 7
strickJSONParse
const { strickJSONParse } = require('sussy-util'); strickJSONParse("{ sus:true }"); // output: { sus:true }
Types and Interfaces
MapEntry
const { MapEntry } = require('sussy-util'); const keyValue = {} as MapEntry; console.log(keyValue); // output: { key: undefined, value: undefined };
MutableObject
const { MutableObject } = require('sussy-util'); const sussy = { sus:true, imposter:true, mine:"no" } as MutableObject<any>; sussy["temp"] = 3; // allowed
PromiseOr
const { PromiseOr } = require('sussy-util'); function dummy():PromiseOr<string> {}; // returns promise<string> | string
Updating
Going from 1.0.X to 1.1.X
renamed Class impArray to improvedArray
// old const { impArray } = require('sussy-util'); const array = new impArray(); // new const { improvedArray } = require('sussy-util'); const array = new improvedArray();
Going from 1.1.X to 1.2.X
renamed Class improvedArray to ImprovedArray
// old const { improvedArray } = require('sussy-util'); const array = new improvedArray(); // new const { ImprovedArray } = require('sussy-util'); const a = new ImprovedArray();
Going from 1.4.X to 1.5.X
Made all the non static String Functions static
// old const { StringUtil } = require('sussy-util'); const util = new StringUtil(); util.generatePassword(length); // new const { StringUtil } = require('sussy-util'); StringUtil.generatePassword(length, charset?);
Going from 1.5.X to 1.6.X
Brought all isSomething functions into the IsSomething class as static functions
// old const { isFunction } = require('sussy-util'); isFunction(() => { return true }) // output: true // new const { IsSomething } = require('sussy-util'); IsSomething.isFunction(() => {}); // output: true
Going from 1.6.X to 1.7.X
// old const { getNumberInRange } = require('sussy-util'); getNumberInRange(1,4); // new const { Random } = require('sussy-util'); Random.randomInt(1,4);
Change Log
v1.5.0
Changes
changed StringUtil.prototype.generatePassword to StringUtil.generatePassword
added new param to StringUtil.generatePassword
changed StringUtil.prototype.generateString to StringUtil.generatePassword
added new param to StringUtil.generateString
changed StringUtil.prototype.generateCharacter to StringUtil.generateCharacter
added new param to StringUtil.generateCharacter
changed merge to accept MutableObject instead of Object
New
added callIfFunction function
added attributesToArray function
added addProperty function
added hasProperty function
added isObject function
added removeProperty function
added DateUtil.getMonthFirstDay
added DateUtil.getMonthLastDay
added ImprovedArray.prototype.flatten
added StringUtil.contains
added StringUtil.getRatingString
added StringUtil.normalizeLineBreaks
added StringUtil.wordCount
added MutableObject interface
v1.6.0-alpha
New
added IsSomething class
added IsSomething.isArray function
added IsSomething.isBoolean function
added IsSomething.isClass function
added IsSomething.isDate function
added IsSomething.isError function
added IsSomething.isEven function
added IsSomething.isFunction function
added IsSomething.isNullorUndefined function
added IsSomething.isNumber function
added IsSomething.isObject function
added IsSomething.isOdd function
added IsSomething.isPrime function
added IsSomething.isRegExp function
added IsSomething.isString function
added IsSomething.isSymbol function
v1.6.0-beta
New
added objectToMutableObject function
added IsSomething.isDefined function
added IsSomething.isEmpty function
added IsSomething.isInfinite function
added IsSomething.isPrimitive function
added IsSomething.isType function
added IsSomething.isInstanceOf function
v1.6.0
Change
deprecated isArray function
deprecated isBoolean function
deprecated isClass function
deprecated isDate function
deprecated isError function
deprecated isEven function
deprecated isFunction function
deprecated isNullorUndefined function
deprecated isNumber function
deprecated isObject function
deprecated isOdd function
deprecated isPrime function
deprecated isRegExp function
deprecated isString function
deprecated isSymbol function
v1.7.0-alpha
Change
renamed function StringUtil.isNumber to StringUtil.isInteger
Added
added StringUtil.splice function
added StringUtil.isFloat function
added StringUtil.ltrim function
added StringUtil.rtrim function
Remove
removed isArray function
removed isBoolean function
removed isClass function
removed isDate function
removed isError function
removed isEven function
removed isFunction function
removed isNullorUndefined function
removed isNumber function
removed isObject function
removed isOdd function
removed isPrime function
removed isRegExp function
removed isString function
removed isSymbol function
v1.7.0-beta
Change
deprecated getNumberInRange function
Added
added Random class
added Random.prototype.randomInt function
added Random.prototype.randomDouble function
added Random.prototype.randomChar function
added Random.prototype.randomString function
added primefactors function
v1.7.0
Change
deprecated objectToMutableObject function
changed Random.prototype.randomInt to Random.randomInt
changed Random.prototype.randomDouble to Random.randomDouble
changed Random.prototype.randomString to Random.randomString
changed Random.prototype.randomChar to Random.randomChar
Added
added Collection.prototype.count function
added Collection.prototype.put function
added Collection.prototype.has function
added Collection.prototype.missing function
added Collection.prototype.toJSONString function
added StringUtil.uncapitalize function
added ImprovedArray.prototype.toJSONString function
added Set.prototype.toJSONString function
added Stack.prototype.toJSONString function
added type PromiseOr
added getObjectKeys function
added getProjectRoot function
v1.7.1
Change
bugfix in primefactors
updated hasValue function
bugfix in hasValue
updated hasProperty
Added
added Random.randomElement
v1.8.0
Added
added AbstractClass class
added BetterMath class
added AbstractClassInstanceCallError error-class
added stringToB64 function
added b64ToString function
added ImprovedArray.prototype.shuffle function
added BetterMath.round function
added BetterMath.random function
added BetterMath.distance function
added BetterMath.square function
added IsSomething.isDateValid function
added Random.randomElementInRange function
added StringUtil.camelToKebab function
added Point Interface
Change
made DateUtil an AbstractClass
made Random as AbstractClass
made IsSomething an AbstractClass
made StringUtil as AbstractClass
added new parameter to stack constructor
deprecated betterRound function
Remove
removed objectToMutableobject function
removed getRandomNumberInRange function