mirror of
https://codeberg.org/yeentown/barkey
synced 2024-11-27 13:53:02 +00:00
108 lines
3 KiB
TypeScript
108 lines
3 KiB
TypeScript
/*
|
|
* SPDX-FileCopyrightText: syuilo and misskey-project
|
|
* SPDX-License-Identifier: AGPL-3.0-only
|
|
*/
|
|
|
|
import tinycolor from 'tinycolor2';
|
|
import lightTheme from '@@/themes/_light.json5';
|
|
import darkTheme from '@@/themes/_dark.json5';
|
|
import type { BundledTheme } from 'shiki/themes';
|
|
|
|
export type Theme = {
|
|
id: string;
|
|
name: string;
|
|
author: string;
|
|
desc?: string;
|
|
base?: 'dark' | 'light';
|
|
props: Record<string, string>;
|
|
codeHighlighter?: {
|
|
base: BundledTheme;
|
|
overrides?: Record<string, any>;
|
|
} | {
|
|
base: '_none_';
|
|
overrides: Record<string, any>;
|
|
};
|
|
};
|
|
|
|
let timeout: number | null = null;
|
|
|
|
export function assertIsTheme(theme: Record<string, unknown>): theme is Theme {
|
|
return typeof theme === 'object' && theme !== null && 'id' in theme && 'name' in theme && 'author' in theme && 'props' in theme;
|
|
}
|
|
|
|
export function applyTheme(theme: Theme, persist = true) {
|
|
if (timeout) window.clearTimeout(timeout);
|
|
|
|
document.documentElement.classList.add('_themeChanging_');
|
|
|
|
timeout = window.setTimeout(() => {
|
|
document.documentElement.classList.remove('_themeChanging_');
|
|
}, 1000);
|
|
|
|
const colorScheme = theme.base === 'dark' ? 'dark' : 'light';
|
|
|
|
document.documentElement.dataset.colorScheme = colorScheme;
|
|
|
|
// Deep copy
|
|
const _theme = JSON.parse(JSON.stringify(theme));
|
|
|
|
if (_theme.base) {
|
|
const base = [lightTheme, darkTheme].find(x => x.id === _theme.base);
|
|
if (base) _theme.props = Object.assign({}, base.props, _theme.props);
|
|
}
|
|
|
|
const props = compile(_theme);
|
|
|
|
for (const tag of document.head.children) {
|
|
if (tag.tagName === 'META' && tag.getAttribute('name') === 'theme-color') {
|
|
tag.setAttribute('content', props['htmlThemeColor']);
|
|
break;
|
|
}
|
|
}
|
|
|
|
for (const [k, v] of Object.entries(props)) {
|
|
document.documentElement.style.setProperty(`--${k}`, v.toString());
|
|
}
|
|
|
|
// iframeを正常に透過させるために、cssのcolor-schemeは `light dark;` 固定にしてある。style.scss参照
|
|
}
|
|
|
|
function compile(theme: Theme): Record<string, string> {
|
|
function getColor(val: string): tinycolor.Instance {
|
|
if (val[0] === '@') { // ref (prop)
|
|
return getColor(theme.props[val.substring(1)]);
|
|
} else if (val[0] === '$') { // ref (const)
|
|
return getColor(theme.props[val]);
|
|
} else if (val[0] === ':') { // func
|
|
const parts = val.split('<');
|
|
const func = parts.shift().substring(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);
|
|
case 'hue': return color.spin(arg);
|
|
case 'saturate': return color.saturate(arg);
|
|
}
|
|
}
|
|
|
|
// other case
|
|
return tinycolor(val);
|
|
}
|
|
|
|
const props = {};
|
|
|
|
for (const [k, v] of Object.entries(theme.props)) {
|
|
if (k.startsWith('$')) continue; // ignore const
|
|
|
|
props[k] = v.startsWith('"') ? v.replace(/^"\s*/, '') : genValue(getColor(v));
|
|
}
|
|
|
|
return props;
|
|
}
|
|
|
|
function genValue(c: tinycolor.Instance): string {
|
|
return c.toRgbString();
|
|
}
|