NerdzUtils

NerdzUtils is a list of useful classes and extensions for simplifying development with Swift language and UIKit framework

LoadableImageView

Simple loading image from url

avatarImageView.loadableImage = .fromUrl(object.url)

Loading image from url with caching

avatarImageView.loadableImage = .fromUrl(object.url)

let blurInfo = BlurHashInfo(
    hash: object.hash, 
    size: CGSize(width: 16, height: 16
)

avatarImageView.loadableImage = .fromUrl(
    object.url, 
    storingPolicy: .cache(timeout: 3600), 
    blurHash: blurInfo)

Properties

@ LoadableImageView.LoadableImage enum

TYPE: enum

An enum that represents different ways of loading image for LoadableImageView

Cases

.fromUrl(
    _ url: URL?,
    storingPolicy: ImageStoringPolicy,
    blurHash: BlurHashInfo? = nil,
    completion: ((UIImage?) -> Void)? = nil
)

Representation of an image in URL format

.fromData(
    _ data: Data?, 
    scale: CGFloat = 1
)

Representation of an image in Data format

.named(_ name: String)

Representation of a local image that can be retrived by name

.image(_ image: UIImage)

UIImage representation

.placeholder

Setting image to placeholder state

@ LoadableImageView.ImageStoringPolicy enum

TYPE: enum

Represents a way of storing loaded image by LoadableImageView class

For more imformation follow the docummentation of LoadableImageView

Cases

.none

No storing needed

.cache(timeout: TimeInterval? = nil)

Loaded image needs to be cached

If timeout is not provided - image will be cached while target exist

@ Weak<T> class

TYPE: class

Adding a possibility of having a weak referance in strong wrapper. Useful for cases when you need a weak referance for objects in Array or Dictionary

Usage examples

class SomeClass {
    // All objects stored in this array will be storred with weak reference
    private let weekArray = Array<Weak<AnotherClass>>()
}

Properties

Methods

init(_ object: T?)

Initialize wrapper with wrapped object