Utility functions

Utility functions with a functional programming flavour

• partition : partition a list into two using a predicate
• removeDuplicates
• topologicalSort : find topological sort of a graph (represented a list of all nodes, and a function that returns children nodes of a given node)

String manipulation

• prefixp : check a string for a given prefix. p stands for predicate (i.e. functions that return boolean)
• removePrefix

Generate a numeric checksum value for the given input string

checksum(src: string): number

A Fisher-Yates algorithm based array shuffler.

Performs an in-place shuffling and returns the same input array.

shuffle<T>(array: T[]): T[]

array: An array of any type

Convert utf-8 source string to an optimized uint8 (binary) array.

strToUint8(source: string)

Trim number to a max 4 digits with decimal place inbetween and suffixed by 'K', 'M', 'B', 'T' values.

trimNumber(number: number)

Convert uint8 (binary) array created by strToUint8 to the original source string

uint8ToStr(buffer: Uint8Array)