simple-fs-server/fresh-main/plugins/twind/shared.ts
2023-01-14 03:03:22 +09:00

49 lines
1.2 KiB
TypeScript

import { JSX, options as preactOptions, VNode } from "preact";
import { Configuration, setup as twSetup, Sheet, tw } from "twind";
export const STYLE_ELEMENT_ID = "__FRSH_TWIND";
export interface Options extends Omit<Configuration, "mode" | "sheet"> {
/** The import.meta.url of the module defining these options. */
selfURL: string;
}
declare module "preact" {
namespace JSX {
interface DOMAttributes<Target extends EventTarget> {
class?: string;
className?: string;
}
}
}
export function setup(options: Options, sheet: Sheet) {
const config: Configuration = {
...options,
mode: "silent",
sheet,
};
twSetup(config);
const originalHook = preactOptions.vnode;
// deno-lint-ignore no-explicit-any
preactOptions.vnode = (vnode: VNode<JSX.DOMAttributes<any>>) => {
if (typeof vnode.type === "string" && typeof vnode.props === "object") {
const { props } = vnode;
const classes: string[] = [];
if (props.class) {
classes.push(tw(props.class));
props.class = undefined;
}
if (props.className) {
classes.push(tw(props.className));
}
if (classes.length) {
props.class = classes.join(" ");
}
}
originalHook?.(vnode);
};
}