128 lines
		
	
	
		
			3.4 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
			
		
		
	
	
			128 lines
		
	
	
		
			3.4 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
import * as tinycolor from 'tinycolor2';
 | 
						|
 | 
						|
export type Theme = {
 | 
						|
	id: string;
 | 
						|
	name: string;
 | 
						|
	author: string;
 | 
						|
	desc?: string;
 | 
						|
	base?: 'dark' | 'light';
 | 
						|
	vars: { [key: string]: string };
 | 
						|
	props: { [key: string]: string };
 | 
						|
};
 | 
						|
 | 
						|
export const lightTheme: Theme = require('../themes/light.json5');
 | 
						|
export const darkTheme: Theme = require('../themes/dark.json5');
 | 
						|
export const lavenderTheme: Theme = require('../themes/lavender.json5');
 | 
						|
export const futureTheme: Theme = require('../themes/future.json5');
 | 
						|
export const halloweenTheme: Theme = require('../themes/halloween.json5');
 | 
						|
export const cafeTheme: Theme = require('../themes/cafe.json5');
 | 
						|
export const japaneseSushiSetTheme: Theme = require('../themes/japanese-sushi-set.json5');
 | 
						|
export const gruvboxDarkTheme: Theme = require('../themes/gruvbox-dark.json5');
 | 
						|
export const monokaiTheme: Theme = require('../themes/monokai.json5');
 | 
						|
export const vividTheme: Theme = require('../themes/vivid.json5');
 | 
						|
export const rainyTheme: Theme = require('../themes/rainy.json5');
 | 
						|
export const mauveTheme: Theme = require('../themes/mauve.json5');
 | 
						|
export const grayTheme: Theme = require('../themes/gray.json5');
 | 
						|
export const tweetDeckTheme: Theme = require('../themes/tweet-deck.json5');
 | 
						|
 | 
						|
export const builtinThemes = [
 | 
						|
	lightTheme,
 | 
						|
	darkTheme,
 | 
						|
	lavenderTheme,
 | 
						|
	futureTheme,
 | 
						|
	halloweenTheme,
 | 
						|
	cafeTheme,
 | 
						|
	japaneseSushiSetTheme,
 | 
						|
	gruvboxDarkTheme,
 | 
						|
	monokaiTheme,
 | 
						|
	vividTheme,
 | 
						|
	rainyTheme,
 | 
						|
	mauveTheme,
 | 
						|
	grayTheme,
 | 
						|
	tweetDeckTheme,
 | 
						|
];
 | 
						|
 | 
						|
export function applyTheme(theme: Theme, persisted = true) {
 | 
						|
	document.documentElement.classList.add('changing-theme');
 | 
						|
 | 
						|
	setTimeout(() => {
 | 
						|
		document.documentElement.classList.remove('changing-theme');
 | 
						|
	}, 1000);
 | 
						|
 | 
						|
	// Deep copy
 | 
						|
	const _theme = JSON.parse(JSON.stringify(theme));
 | 
						|
 | 
						|
	if (_theme.base) {
 | 
						|
		const base = [lightTheme, darkTheme].find(x => x.id == _theme.base);
 | 
						|
		_theme.vars = Object.assign({}, base.vars, _theme.vars);
 | 
						|
		_theme.props = Object.assign({}, base.props, _theme.props);
 | 
						|
	}
 | 
						|
 | 
						|
	const props = compile(_theme);
 | 
						|
 | 
						|
	for (const [k, v] of Object.entries(props)) {
 | 
						|
		document.documentElement.style.setProperty(`--${k}`, v.toString());
 | 
						|
	}
 | 
						|
 | 
						|
	if (persisted) {
 | 
						|
		localStorage.setItem('theme', JSON.stringify(props));
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
function compile(theme: Theme): { [key: string]: string } {
 | 
						|
	function getColor(code: string): tinycolor.Instance {
 | 
						|
		// ref
 | 
						|
		if (code[0] == '@') {
 | 
						|
			return getColor(theme.props[code.substr(1)]);
 | 
						|
		}
 | 
						|
		if (code[0] == '$') {
 | 
						|
			return getColor(theme.vars[code.substr(1)]);
 | 
						|
		}
 | 
						|
 | 
						|
		// func
 | 
						|
		if (code[0] == ':') {
 | 
						|
			const parts = code.split('<');
 | 
						|
			const func = parts.shift().substr(1);
 | 
						|
			const arg = parseFloat(parts.shift());
 | 
						|
			const color = getColor(parts.join('<'));
 | 
						|
 | 
						|
			switch (func) {
 | 
						|
				case 'darken': return color.darken(arg);
 | 
						|
				case 'lighten': return color.lighten(arg);
 | 
						|
				case 'alpha': return color.setAlpha(arg);
 | 
						|
			}
 | 
						|
		}
 | 
						|
 | 
						|
		return tinycolor(code);
 | 
						|
	}
 | 
						|
 | 
						|
	const props = {};
 | 
						|
 | 
						|
	for (const [k, v] of Object.entries(theme.props)) {
 | 
						|
		props[k] = genValue(getColor(v));
 | 
						|
	}
 | 
						|
 | 
						|
	const primary = getColor(props['primary']);
 | 
						|
 | 
						|
	for (let i = 1; i < 10; i++) {
 | 
						|
		const color = primary.clone().setAlpha(i / 10);
 | 
						|
		props['primaryAlpha0' + i] = genValue(color);
 | 
						|
	}
 | 
						|
 | 
						|
	for (let i = 5; i < 100; i += 5) {
 | 
						|
		const color = primary.clone().lighten(i);
 | 
						|
		props['primaryLighten' + i] = genValue(color);
 | 
						|
	}
 | 
						|
 | 
						|
	for (let i = 5; i < 100; i += 5) {
 | 
						|
		const color = primary.clone().darken(i);
 | 
						|
		props['primaryDarken' + i] = genValue(color);
 | 
						|
	}
 | 
						|
 | 
						|
	return props;
 | 
						|
}
 | 
						|
 | 
						|
function genValue(c: tinycolor.Instance): string {
 | 
						|
	return c.toRgbString();
 | 
						|
}
 |