CalebLewallen
57 lines
1.5 KiB
JavaScript
57 lines
1.5 KiB
JavaScript
import Prism from "prismjs";
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import components from "prismjs/components.js";
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import getLoader, {} from "prismjs/dependencies.js";
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import { bundledLanguages } from "virtual:astro-cloudflare:prism";
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const loadChainer = {
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series: async (before, after) => {
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await before;
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await after();
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},
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parallel: async (values) => {
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await Promise.all(values);
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}
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};
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let prismRefCount = 0;
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const prismRefCounter = {
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increment: () => {
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if (prismRefCount === 0) {
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globalThis.Prism = Prism;
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}
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prismRefCount += 1;
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},
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decrement: () => {
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prismRefCount -= 1;
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if (prismRefCount === 0) {
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delete globalThis.Prism;
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}
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}
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};
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const loadedLanguages = /* @__PURE__ */ new Set();
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async function loadLanguages(languages) {
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prismRefCounter.increment();
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if (languages === void 0) {
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languages = Object.keys(components.languages).filter((l) => l !== "meta");
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} else if (!Array.isArray(languages)) {
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languages = [languages];
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}
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const loaded = [...loadedLanguages, ...Object.keys(Prism.languages)];
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await getLoader(components, languages, loaded).load(async (lang) => {
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if (!(lang in components.languages)) {
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if (!loadLanguages.silent) {
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console.warn("Language does not exist: " + lang);
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}
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return;
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}
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delete Prism.languages[lang];
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if (Object.hasOwn(bundledLanguages, lang)) {
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await bundledLanguages[lang]();
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}
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loadedLanguages.add(lang);
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}, loadChainer);
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prismRefCounter.decrement();
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}
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loadLanguages.silent = false;
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export {
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loadLanguages
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};
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