Collection | /src/utils/collection.ts | harmony@v2.6.0

class Collection

extends Map<K, V>

import { Collection } from "https://deno.land/x/harmony@v2.6.0/src/utils/collection.ts";

Enhanced Map with various utility functions

Type Parameters

optional

K = string

optional

V = any

Get Array of values in Collection

every(callback: (value: V, key: K) => boolean): boolean

Check if every value/key in Collection satisfies callback

filter(callback: (value: V, key: K) => boolean): Collection<K, V>

Filter out the Collection using callback

find(callback: (value: V, key: K) => boolean): V | undefined

Find a value from Collection using callback

first(): V | undefined

Get first value(s) in Collection

first(amount: number): V[]

last(): V | undefined

Get last value(s) in Collection

last(amount: number): V[]

map<T>(callback: (value: V, key: K) => T): T[]

Map the collection

Get random value(s) from Collection

random(amount: number): V[]

reduce<T>(callback: (

accumulator: T,

value: V,

key: K,

) => T, initialValue?: T): T

Reduce the Collection to a single value

set(key: K, value: V): this

Set a key to value in Collection

some(callback: (value: V, key: K) => boolean): boolean

Check if any of the values/keys in Collection satisfies callback

toObject(): { [name: string]: V; }

Convert Collection to an object

fromObject<V>(object: { [key: string]: V; }): Collection<string, V>

Create a Collection from an Object