82 lines
2.3 KiB
TypeScript
82 lines
2.3 KiB
TypeScript
import { v4 as uuid} from 'uuid';
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import { themeProps, Theme } from './theme';
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export type Default = null;
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export type Color = string;
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export type FuncName = 'alpha' | 'darken' | 'lighten';
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export type Func = { type: 'func'; name: FuncName; arg: number; value: string; };
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export type RefProp = { type: 'refProp'; key: string; };
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export type RefConst = { type: 'refConst'; key: string; };
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export type Css = { type: 'css'; value: string; };
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export type ThemeValue = Color | Func | RefProp | RefConst | Css | Default;
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export type ThemeViewModel = [ string, ThemeValue ][];
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export const fromThemeString = (str?: string) : ThemeValue => {
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if (!str) return null;
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if (str.startsWith(':')) {
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const parts = str.slice(1).split('<');
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const name = parts[0] as FuncName;
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const arg = parseFloat(parts[1]);
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const value = parts[2].startsWith('@') ? parts[2].slice(1) : '';
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return { type: 'func', name, arg, value };
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} else if (str.startsWith('@')) {
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return {
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type: 'refProp',
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key: str.slice(1),
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};
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} else if (str.startsWith('$')) {
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return {
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type: 'refConst',
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key: str.slice(1),
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};
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} else if (str.startsWith('"')) {
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return {
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type: 'css',
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value: str.substr(1).trim(),
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};
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} else {
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return str;
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}
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};
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export const toThemeString = (value: Color | Func | RefProp | RefConst | Css) => {
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if (typeof value === 'string') return value;
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switch (value.type) {
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case 'func': return `:${value.name}<${value.arg}<@${value.value}`;
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case 'refProp': return `@${value.key}`;
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case 'refConst': return `$${value.key}`;
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case 'css': return `" ${value.value}`;
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}
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};
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export const convertToMisskeyTheme = (vm: ThemeViewModel, name: string, desc: string, author: string, base: 'dark' | 'light'): Theme => {
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const props = { } as { [key: string]: string };
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for (const [ key, value ] of vm) {
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if (value === null) continue;
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props[key] = toThemeString(value);
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}
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return {
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id: uuid(),
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name, desc, author, props, base
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};
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};
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export const convertToViewModel = (theme: Theme): ThemeViewModel => {
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const vm: ThemeViewModel = [];
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// プロパティの登録
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vm.push(...themeProps.map(key => [ key, fromThemeString(theme.props[key])] as [ string, ThemeValue ]));
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// 定数の登録
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const consts = Object
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.keys(theme.props)
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.filter(k => k.startsWith('$'))
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.map(k => [ k, fromThemeString(theme.props[k]) ] as [ string, ThemeValue ]);
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vm.push(...consts);
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return vm;
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};
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