100 lines
2.4 KiB
TypeScript
100 lines
2.4 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("$")) {
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return {
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type: "refConst",
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key: str.slice(1),
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};
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} else if (str.startsWith('"')) {
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return {
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type: "css",
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value: str.substr(1).trim(),
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};
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} else {
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return str;
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}
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};
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export const toThemeString = (
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value: Color | Func | RefProp | RefConst | Css,
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) => {
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if (typeof value === "string") return value;
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switch (value.type) {
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case "func":
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return `:${value.name}<${value.arg}<@${value.value}`;
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case "refProp":
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return `@${value.key}`;
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case "refConst":
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return `$${value.key}`;
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case "css":
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return `" ${value.value}`;
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}
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};
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export const convertToMisskeyTheme = (
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vm: ThemeViewModel,
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name: string,
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desc: string,
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author: string,
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base: "dark" | "light",
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): 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,
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desc,
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author,
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props,
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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(
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...themeProps.map(
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(key) => [key, fromThemeString(theme.props[key])] as [string, ThemeValue],
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),
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);
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// 定数の登録
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const consts = Object.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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