thaw-common-utilities.js

Common JavaScript utility functions

Installation

To install the stable version:

npm install --save thaw-common-utilities.js

API Information

Arrays

bubbleSort(array: number[]) : number[]
categorizeArrayElementsByFunction
categorizeArrayElementsByProperty
cloneArray(a: T[]) : T[]
createAndFillArray(obj: T, ...dimensions: number[]) : T[]
createArrayFromElement(element: T, length: number = 1, accumulator: T[] = []) : T[]
doesConsecutiveElementsConditionHold(a: T[], fn: (T, T) -> boolean, defaultResult: boolean = true) : boolean
findSuperlativeElement(a: T[], fn: (T, T) -> T) : T
flattenAllLevels(a: any[], b: any[] = []) : any[]
flattenOneLevel(a: any[], b: any[] = []) : any[]
generateHierarchyOfLocalMaximaAndMinima
getLastElementOfArray(a: T[]) : T
getRandomArrayElement(a: T[]) : T
heapSort(array: number[]) : number[]
insertionSort(array: number[]) : number[]
insertNumberIntoArray(n: number, array: number[]) : number[]
isArrayInDecreasingOrder(a: T[]) : boolean
isArrayInIncreasingOrder(a: T[]) : boolean
isArrayInNonDecreasingOrder(a: T[]) : boolean
isArrayInNonIncreasingOrder(a: T[]) : boolean
max(a: T[]) : T
mergeSort(array: number[]) : number[]
mergeTwoSortedArrays(a: T[], b: T[]) : T[]
normalizeArrayOfNumbers(array: T[]) : T[]
min(a: T[]) : T
quickSort(array: number[]) : number[]
removeDuplicatesFromArray(array: any[]) : any[]

Asynchronous

asyncForEach
asyncMap

Dates

getDateString(date: Date) : string
getDateUTCString(date: Date) : string
getDateTimeString(date: Date) : string
getDateTimeUTCString(date: Date) : string
getDifferenceBetweenDatesAsObject(earlierDate: Date, laterDate: Date) : object
getDifferenceBetweenDatesAsString(earlierDate: Date, laterDate: Date) : string

Functions

booleanInvertFunction
compositeFunctions
curry
identityFunction

HTTP

getJson
postJson

JSON

safeJsonParse(str: string) : object

Lazy

makeLazyList

Numbers

additiveIdentity
aToThePowerOfB
correlationCoefficient
covariance
factory_fnRoundToNDigits
fnAddition
fnMultiplication
generateFirstNNaturalNumbers(n: number) : number[]
generateRange(start: number, end: number) : number[]
getSign
histogram(arg: any[]) : object[]
integerDivision
isInteger
isNonNegativeInteger
isNonNegativeNumber
isPositiveInteger
isPositiveNumber
mean(arg: number[]) : number
median(arg: number[]) : number
mode(arg: any[]) : object
multiplicativeIdentity
product
standardDeviation
sum(arg: number[]) : number
tenToThePowerOfN
zeroExtendNumber
zeroPadNumber(n: number, minLength: number) : string

Objects

clone(arg: any) : any
combineObjects(obj1: object, obj2: object, ...) : object
copySpecifiedObjectProperties(propertyList: string[], src: object, dst: object = {}) : object
deleteUndefinedValuesFromObject(obj: object) : object
getOwnProperties(obj: object = {}) : string[]
getProperty(obj: object, propertyPath: string, defaultValue: any) : any
overwriteSomeProperties (obj1: object, obj2: object) : object

Sets

areSetsEqual(set1: any[], set2: any[], fnElementsAreEqual: function) : boolean
getAllSubsets(arg: any[], sortSubsets: boolean, fnSubsetComparator: function) : any[][]
intersection(set1: any[], set2: any[], ...) : any[]
isSubset(set1: any[], set2: any[], fnElementsAreEqual: function) : boolean
union(set1: any[], set2: any[], ...) : any[]

Strings

replicateString(str: string, n: number) : string

Types

areTypesEqual (arg1: any, arg2: any) : boolean
getTypeString(arg: any) : string
ifDefinedElse(arg: any, dflt: any) : any
isAggregateEntity(arg: any) : boolean
isArray(arg: any) : boolean
isArrayOfNumbers(arg: any) : boolean
isDate(arg: any) : boolean
isDefined(arg: any) : boolean
isFunction(arg: any) : boolean
isNumber(arg: any) : boolean
isObject(arg: any) : boolean
isRegularExpression(arg: any) : boolean
isString(arg: any) : boolean

License

MIT