Improve packages exports

[djhi]

Problem

Our packages exports are wrong, making them unusable in Node contexts (for instance when using SSR or RSC frameworks)

Solution

• Use zshy to compile and fix our exports fields
• Use the newer faker as the old one cannot be used in modern setups
• Add .js extensions to our lodash imports as it causes issues in ESM setup

How To Test

• Build with make build
• Run npm pack in each package you'll want to use in the tests explained below. You'll have to move/copy them in a vendor directory and provide their path in your test application package.json.
• For the examples below, we'll need ra-core, ra-data-fakerest, ra-i18n-polyglot, ra-language-english and data-generator-retail

ESM

• Create a new vite application with react-router
• Setup shadcn-admin-kit
• Install our dependencies from the vendor directory:

{
  "data-generator-retail": "./vendor/data-generator-retail-5.12.0.tgz",
  "ra-core": "./vendor/ra-core-5.12.0.tgz",
  "ra-data-fakerest": "./vendor/ra-data-fakerest-5.12.0.tgz",
  "ra-i18n-polyglot": "./vendor/ra-i18n-polyglot-5.12.0.tgz",
  "ra-language-english": "./vendor/ra-language-english-5.12.0.tgz",
}

• Add an /admin route:

// in app/routes.ts
import { type RouteConfig, index, route } from "@react-router/dev/routes";

export default [
  index("routes/home.tsx"),
  route("admin/*", "routes/admin.tsx"),
] satisfies RouteConfig;

// in app/routes/admin.tsx
import { Resource } from "ra-core";
import fakeRestDataProvider from "ra-data-fakerest";
import generateData from "data-generator-retail";
import { Admin, EditGuesser, ListGuesser } from "~/components/admin";

const dataProvider = fakeRestDataProvider(generateData());

export default function AdminRoute() {
  return (
    <Admin dataProvider={dataProvider} basename="/admin">
      <Resource name="products" list={ListGuesser} edit={EditGuesser} />
    </Admin>
  );
}

• Run the app and access http://localhost:5173/admin/products.
• It should work (it didn't before)

CJS

• create a new node-test directory
• create a package.json and install data-generator-retail from the vendor directory as explained before

{
  "data-generator-retail": "./vendor/data-generator-retail-5.12.0.tgz",
}

• Add a index.cjs file with the following content:

const generateData = require("data-generator-retail");

console.log(generateData());

• Run node ./index.cjs
• It should work

Additional Checks

• The PR targets master for a bugfix or a documentation fix, or next for a feature