oxc-project__oxc/napi/playground/scripts/patch.js

import fs from "node:fs";
import { join as pathJoin } from "node:path";

import "./patch-wasi-browser.js";

const packageDir = pathJoin(import.meta.dirname, "..");
const path = pathJoin(packageDir, "playground.wasi-browser.js");

let data = fs.readFileSync(path, "utf-8");
data = data.replace(
  `export const Oxc = __napiModule.exports.Oxc`,
  `
import { jsonParseAst } from "../parser/src-js/wrap.js"

export function Oxc() {
  const oxc = new __napiModule.exports.Oxc();
  return new Proxy(oxc, {
    get(_target, p, _receiver) {
      if (p === 'ast') {
        return jsonParseAst(oxc.astJson);
      }
      const value = oxc[p];
      if (typeof value === 'function') {
        return value.bind(oxc);
      }
      return value;
    }
  })
}
`,
);
fs.writeFileSync(path, data);