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FelixHerrmann/FHExtensions 1.8.1
Some useful Foundation and UIKit Extensions.
⭐️ 1
🕓 2 weeks ago
iOS macOS tvOS
.package(url: "https://github.com/FelixHerrmann/FHExtensions.git", from: "1.8.1")

FHExtensions

Xcode Build Version License Tweet

Some useful Foundation and UIKit Extensions.

Will be expanded over time.

Requirements

  • macOS 10.10+
  • iOS 9.0+
  • tvOS 9.0+

Installation

Swift Package Manager

Add the following to the dependencies of your Package.swift:

.package(url: "https://github.com/FelixHerrmann/FHExtensions.git", from: "x.x.x")

Manual

Download the Sources folder and drag it into you project.

Usage

Array

subscript(safe index: Index) -> Element?

This subscript checks, if the index is in range.

Getting array values works like that:

let array = [0, 1, 2]

print(array[1]) // 1
print(array[safe: 1]) // Optional(1)

print(array[3]) // Fatal error: Index out of range
print(array[safe: 3]) // nil

Setting array values works also safely:

var array = [0, 1, 2]

array[safe: 2] = 3
print(array) // [0, 1, 3]

array[safe: 3] = 4
print(array) // [0, 1, 3]

Bundle

versionNumber, buildNumber

The values for the CFBundleShortVersionString and CFBundleVersion key in the info dictionary.

CGRect

Coordinates: x, y, top, bottom, left, right, center

Convenience properties for CGRect coordinates.

These properties also contains setters which will recreate the frame entirely.

Date

init?(_:_:_:hour:minute:second:timeZone)

This initializer can create a Date object by date components. It can fail if a date could not be found which matches the components.

let date = Date(23, 2, 1999)
let dateWithTimeAndTimeZone = Date(23, 2, 1999, hour: 9, minute: 41, second: 0, timeZone: TimeZone(secondsFromGMT: 0))

The time values and time zone are optional.

JSONDecoder

DateDecodingStrategy.iso8601withFractionalSeconds

An ISO 8601 DateDecodingStrategy with fractional seconds. Something like 1999-02-23T09:41:00.000Z will work with the decoder.

JSONEncoder

DateEncodingStrategy.iso8601withFractionalSeconds

An ISO 8601 DateEncodingStrategy with fractional seconds. Something like 1999-02-23T09:41:00.000Z will be the output from the encoder.

String

capitalizedFirst

A copy of the string where the first letter is capitalized.

UIColor

RGB: red, green, blue, alpha

These properties are based on the getRed(_:green:blue:alpha) method.

init?(hex:)

This initializer can create a UIColor-object by a hex string. It can fail if the string has not the correct format. It allows hex strings with and without alpha, the hash symbol is not required and capitalization does not matter.

let yellow: UIColor? = UIColor(hex: "#ffff00ff")

createHex(alpha:hashSymbol:)

This method creates a hex string from the color instance.

let yellow = UIColor(red: 1, green: 1, blue: 0, alpha: 1)
let hexString: String = yellow.createHex(alpha: true)
print(hexString) // "#ffff00ff"

UIDevice

modelIdentifier

With UIDevice.current.modelIdentifier you are able to get the model identifier of the current device as String.

This works also on Mac (Catalyst).

UIDirectionalPanGestureRecognizer

A concrete subclass of UIPanGestureRecognizer that cancels if the specified direction does not match.

let directionalPanRecognizer = UIDirectionalPanGestureRecognizer(target: self, action: #selector(handlePan(_:)))
directionalPanRecognizer.direction = .vertical
view.addGestureRecognizer(directionalPanRecognizer)

The touchesMoved(_:with:) is not called on trackpad and mouse events. Use the UIGestureRecognizerDelegate.gestureRecognizerShouldBegin(_:) instead if the allowedScrollTypesMask is set to UIScrollTypeMask.discrete or UIScrollTypeMask.continuous.

NSColor

RGB: red, green, blue, alpha

These properties are based on the getRed(_:green:blue:alpha) method.

init?(hex:)

This initializer can create an NSColor-object by a hex string. It can fail if the string has not the correct format. It allows hex strings with and without alpha, the hash symbol is not required and capitalization does not matter.

let yellow: NSColor? = NSColor(hex: "#ffff00ff")

createHex(alpha:hashSymbol:)

This method creates a hex string from the color instance.

let yellow = NSColor(red: 1, green: 1, blue: 0, alpha: 1)
let hexString: String = yellow.createHex(alpha: true)
print(hexString) // "#ffff00ff"

License

FHExtensions is available under the MIT license. See the LICENSE file for more info.

GitHub

link
Stars: 1
Last commit: 2 weeks ago
jonrohan Something's broken? Yell at me @ptrpavlik. Praise and feedback (and money) is also welcome.

Release Notes

1.8.1
2 weeks ago

UIDevice.modelIdentifier works now with Simulator and iOS apps on M1 Mac • fixed Mac Catalyst build

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