fumadocs-docgen/dist/remark-ts2js.js

Useful remark utilities and plugins

import {
  __async
} from "./chunk-4AFQP74Z.js";

// src/remark-ts2js.ts
import { visit } from "unist-util-visit";
import {
  generateCodeBlockTabs,
  parseCodeBlockAttributes
} from "fumadocs-core/mdx-plugins";
function remarkTypeScriptToJavaScript({
  persist = false,
  defaultValue = "ts",
  disableTrigger = false
} = {}) {
  return (tree, file) => __async(null, null, function* () {
    const oxc = yield import("oxc-transform");
    visit(tree, "code", (node) => {
      var _a, _b, _c;
      const lang = node.lang;
      if (lang !== "ts" && lang !== "tsx") return;
      const meta = parseCodeBlockAttributes((_a = node.meta) != null ? _a : "", ["ts2js"]);
      if (!disableTrigger && !("ts2js" in meta.attributes)) return;
      const result = oxc.transform(
        `${(_b = file.path) != null ? _b : "test"}.${lang}`,
        node.value,
        {
          sourcemap: false,
          jsx: "preserve"
        }
      );
      const targetLang = lang === "tsx" ? "jsx" : "js";
      const replacement = generateCodeBlockTabs({
        persist,
        defaultValue,
        triggers: [
          {
            value: "ts",
            children: [{ type: "text", value: "TypeScript" }]
          },
          {
            value: "js",
            children: [{ type: "text", value: "JavaScript" }]
          }
        ],
        tabs: [
          {
            value: "ts",
            children: [
              {
                type: "code",
                lang: node.lang,
                meta: meta.rest,
                value: node.value
              }
            ]
          },
          {
            value: "js",
            children: [
              {
                type: "code",
                lang: targetLang,
                meta: (_c = meta.attributes.ts2js) != null ? _c : meta.rest,
                value: result.code
              }
            ]
          }
        ]
      });
      Object.assign(node, replacement);
      return "skip";
    });
  });
}
export {
  remarkTypeScriptToJavaScript
};