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@creatorqsf/themec

pkg themec

themec is a package to manage themes.

Features

• Providing user preference color switch (dark or light)
• Preserved unique value (theme, theme-sub, blackish, whitish, etc)
• Setting custom values
• Usable from css variable

Installation

For yarn user,

yarn add @creatorqsf/themec

For npm user,

npm install @creatorqsf/themec

Usage

Themec.mode

Themec.mode provides the state of user's system preference theme. In short, for support for dark mode, it is useful.

Internally window.matchMedia('prefers-color-scheme') is used to get preference mode. Although this supoorts event, sometimes user or even developer wants to configure it, like making exception for a part and so on. For these cases, if event is used, current design of Themec overwrite the configuration when user switchs their color scheme. So it only set mode at initial time.

import { Themec, Mode } from '@creatorqsf/themec'

let thc = new Themec()

switch(thc.mode) {
  case Mode.Light:
    console.log('🌅')
    break
  case Mode.Dark:
    console.log('🌃')
    break
}

// if your environment is 'light', 
// output: 🌅
//
// if your environment is 'dark', 
// output: 🌃

Themec CSS variables

Themec has 4 colors by default: theme, subtheme, blackish, and whitish.
Of course you can overwrite these colors.

Additionally, you can set any css variable through Themec.addCustom()

Then, these values can be set to an element by Themec.apply(element)

import { Themec, Mode, color } from '@creatorqsf/themec'

let thc = new Themec(color('#eeeeee')) // set Themec.theme as #eeeeee

thc.blackish = color('#424242')

thc.addCustom('gradient', 'linear-gradient(to right, var(--theme), var(--subtheme))')

thc.addCustom('alpha', 'calc(var(--theme-rgb), .5)')

thc.apply(document.body)

// output:
// document.body styles
// document.body {
//   --theme: #eeeeee;
//   --theme-rgb: 238, 238, 238;
//   --subtheme: #00a050;
//   --subtheme-rgb: 0, 160, 80;
//   --blackish: #424242;
//   --blackish-rgb: 66, 66, 66;
//   --whitish: #ffffff;
//   --whitish-rgb: 255, 255, 255;
//   --gradient: linear-gradient(to right, var(--theme), var(--subtheme));
//   --alpha: calc(var(--theme-rgb), .5);
// }

LICENSE

MIT

Author

たふみ(@CreatorQsF)