test.cjs

const fs = require("fs");
const path = require("path");

const packageJson = require("../package.json");

// A list of entry points from `package.json`: `['angular-material.js', 'angular-badge.js', ...]`.
const declaredEntryPoints = Object.values(packageJson.exports)
  .map(({ es2022 }) => es2022)
  .map((file) => path.parse(file).base);

// A list of built entry points in the `es2022` folder.
const builtEntryPoints = fs
  .readdirSync(path.join(process.cwd(), "es2022"))
  .filter((file) => !file.includes(".min.js") && !file.includes(".map"));

// This simple test basically ensures there's no difference between `@angular/material` entry points
// and `angular__material` entry points. This is used to ensure that we also add an entry point
// to `exports` when the Material team adds new entry point on their side.

const difference = builtEntryPoints.filter(
  (entryPoint) => !declaredEntryPoints.includes(entryPoint),
);

if (difference.length > 0) {
  console.error(
    "There is a difference between `exports` and built entry points.",
  );
  process.exit(1);
}