103 lines
2.4 KiB
TypeScript
103 lines
2.4 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('../theme/light.json5');
|
|
export const darkTheme: Theme = require('../theme/dark.json5');
|
|
export const pinkTheme: Theme = require('../theme/pink.json5');
|
|
export const halloweenTheme: Theme = require('../theme/halloween.json5');
|
|
|
|
export const builtinThemes = [
|
|
lightTheme,
|
|
darkTheme,
|
|
pinkTheme,
|
|
halloweenTheme
|
|
];
|
|
|
|
export function applyTheme(theme: Theme, persisted = true) {
|
|
// 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);
|
|
|
|
Object.entries(props).forEach(([k, v]) => {
|
|
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 = {};
|
|
|
|
Object.entries(theme.props).forEach(([k, v]) => {
|
|
const c = getColor(v);
|
|
props[k] = genValue(c);
|
|
});
|
|
|
|
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 = 1; i < 100; i++) {
|
|
const color = primary.clone().lighten(i);
|
|
props['primaryLighten' + i] = genValue(color);
|
|
}
|
|
|
|
for (let i = 1; i < 100; i++) {
|
|
const color = primary.clone().darken(i);
|
|
props['primaryDarken' + i] = genValue(color);
|
|
}
|
|
|
|
return props;
|
|
}
|
|
|
|
function genValue(c: tinycolor.Instance): string {
|
|
return c.toRgbString();
|
|
}
|