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