Literals Swift4 - Swiftgen

Template Information

Name	Description
File name	colors/literals-swift4.stencil
Configuration example	<pre>colors:
inputs: path/to/colors-file.txt
outputs:

templateName: literals-swift4
output: Colors.swift</pre> |

When to use it

When you need to generate Swift 4 code.
Supports multiple color names with the same value.
Uses #colorLiterals for easy preview of the actual color.

Customization

You can customize some elements of this template by overriding the following parameters when invoking swiftgen. See the dedicated documentation.

Parameter Name	Default Value	Description
`enumName`	`ColorName`	Allows you to change the name of the generated `enum` containing all colors.
`forceFileNameEnum`	N/A	Setting this parameter will generate an `enum <FileName>` even if only one FileName was provided as input.
`publicAccess`	N/A	If set, the generated constants will be marked as `public`. Otherwise, they'll be declared `internal`.

Note: if you use enumName: UIColor (or NSColor on macOS) then the color constants will be generated as an extension of the UIColor (iOS) / NSColor (macOS) type directly without creating a separate enum type for namespacing those color constants.

Generated Code

Extract:

swift

internal extension ColorName {
  /// 0x339666ff (r: 51, g: 150, b: 102, a: 255)
  static let articleBody = #colorLiteral(red: 0.2, green: 0.588235, blue: 0.4, alpha: 1.0)
  /// 0xff66ccff (r: 255, g: 102, b: 204, a: 255)
  static let articleFootnote = #colorLiteral(red: 1.0, green: 0.4, blue: 0.8, alpha: 1.0)
}

Full generated code

Usage example

swift

// To reference a color, simpy reference its static instance by name:
let title = ColorName.articleBody
let footnote = ColorName.articleFootnote