swc/node-swc/__tests__/paths_test.mjs

import swc from "../..";
import { dirname } from "path";
import { platform } from "os";
import { fileURLToPath } from "url";

const __dirname = dirname(fileURLToPath(import.meta.url));

it("should respect paths", async () => {
    const { code } = await swc.transform(
        `
    import foo from '@src/app';
    console.log(foo)
    `,
        {
            jsc: {
                parser: {
                    syntax: "typescript",
                },
                target: "es2021",
                transform: {},
                baseUrl: __dirname,
                paths: {
                    "@src/*": ["bar/*"],
                },
            },
            module: {
                type: "commonjs",
            },
        }
    );
    if (platform() === "win32") {
        expect(code).toContain(`bar\\\\app`);
    } else {
        expect(code).toContain(`bar/app`);
    }
});