cosmiconfig-typescript-swc-loader/esm/index.js

Fast TypeScript config file handler for cosmiconfig using SWC

import { transformSync } from "@swc/core";
import vm from "vm";
export function TypeScriptSWCLoader(options) {
    return (_path, content) => {
        const script = transformSync(content, {
            // TODO: migrate to `ts-config.json` based config (#3)
            module: {
                type: "commonjs",
            },
            jsc: {
                target: "es3",
                parser: {
                    syntax: "typescript",
                },
            },
            ...options,
        });
        const vmScript = new vm.Script(script.code);
        const sandbox = { module: { exports: {} }, exports: {} };
        vmScript.runInNewContext(sandbox, options);
        return Object.keys(sandbox.module.exports).length > 0
            ? sandbox.module.exports
            : // eslint-disable-next-line @typescript-eslint/no-explicit-any
                sandbox.exports.default || sandbox.exports;
    };
}