51 lines
1.5 KiB
TypeScript
51 lines
1.5 KiB
TypeScript
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import { virtualSheet } from "twind/sheets";
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import { Plugin } from "../server.ts";
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import { Options, setup, STYLE_ELEMENT_ID } from "./twind/shared.ts";
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export type { Options };
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export default function twind(options: Options): Plugin {
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const sheet = virtualSheet();
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setup(options, sheet);
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const main = `data:application/javascript,import hydrate from "${
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new URL("./twind/main.ts", import.meta.url).href
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}";
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import options from "${options.selfURL}";
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export default function(state) { hydrate(options, state); }`;
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return {
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name: "twind",
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entrypoints: { "main": main },
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render(ctx) {
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sheet.reset(undefined);
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const res = ctx.render();
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const cssTexts = [...sheet.target];
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const snapshot = sheet.reset();
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const scripts = [];
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let cssText: string;
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if (res.requiresHydration) {
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const precedences = snapshot[1] as number[];
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cssText = cssTexts.map((cssText, i) =>
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`${cssText}/*${precedences[i].toString(36)}*/`
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).join("\n");
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const mappings: (string | [string, string])[] = [];
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for (
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const [key, value] of (snapshot[3] as Map<string, string>).entries()
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) {
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if (key === value) {
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mappings.push(key);
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} else {
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mappings.push([key, value]);
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}
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}
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scripts.push({ entrypoint: "main", state: mappings });
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} else {
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cssText = cssTexts.join("\n");
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}
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return {
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scripts,
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styles: [{ cssText, id: STYLE_ELEMENT_ID }],
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};
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},
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};
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}
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