@xyzblocks/utils

Utilities

Installation

npm install @xyzblocks/utils --save

API

ArrayExtensions

Methods

• static distinct<T>(array: Array<T>, distinctFn: (obj: T) => any = null, hashFn: (obj: T) => string = null): Array<T>
• static group<K, V>(array: Array<V>, keyFn: (obj: V) => K, hashFn: (obj: K) => string = null): Array<{ key: K; values: Array<V> }>

CartesianCoordinate

Properties

• x: number
• y: number

Degrees

Methods

• static fromRadians(radians: number): number
• static toRadians(degrees: number): number

Numeric

Methods

• static mean(array: Array<number>): number
• static probabilityDensity(mean: number, standardDeviation: number, x: number): number
• static round(value: number, decimals: number): number
• static standardDeviation(array: Array<number>): number

ObjectExtensions

Methods

• static hash(obj: any): string

ObservableExtensions

Methods

• static fromPromise<T>(promise: Promise<T>): Observable<T>

OneDimensionalStateTransitionTable

Methods

• addTransition(from: any, to: any): OneDimensionalStateTransitionTable
• allowed(from: any, to: any): boolean

PolarCoordinate

Properties

• r: number
• theta: number

Methods

• toCartesianCoordinate(): CartesianCoordinate

Radians

Methods

• static fromDegrees(degrees: number): number
• static toDegrees(radians: number): number

Redirect

Methods

• static post(url: string, parameters: any): void

RoleBasedAccessControl

Methods

• authorized(roleName: string, resource: string, operation: string): boolean

Text

Methods

• static toSnakeCase(str: string): string

TwoDimensionalStateTransitionTable

Methods

• addTransition(from: any, event: any, to: any): TwoDimensionalStateTransitionTable
• next(from: any, event: any): any