chore: core npm prepare handling

tools/scripts/build-finish.ts

@@ -0,0 +1,30 @@
+const path = require('path');
+const fs = require('fs-extra');
+const { serializeJson, parseJson } = require('@nx/devkit');
+
+const rootDir = path.resolve(path.join(__dirname, '..', '..'));
+
+const cmdArgs = process.argv.slice(2);
+const packageName = cmdArgs[0];
+const publish = cmdArgs[1] === 'publish';
+
+const packagePath = path.join('packages', packageName, 'package.json');
+const packageJson = JSON.parse(fs.readFileSync(packagePath));
+const npmPackageName = packageJson.name;
+console.log(`Building ${npmPackageName}...${publish ? 'and publishing.' : ''}`);
+
+function cleanPackage() {
+	// helps remove unwanted properties which may be added by other tooling
+	const packageJsonPath = path.resolve(rootDir, 'dist', 'packages', packageName, 'package.json');
+	let packageJson = fs.readFileSync(packageJsonPath, { encoding: 'utf-8' });
+	if (packageJson) {
+		packageJson = parseJson(packageJson);
+		// we don't need module or type properties at the moment
+		delete packageJson['module'];
+		delete packageJson['type'];
+		fs.writeFileSync(packageJsonPath, serializeJson(packageJson));
+	}
+}
+
+cleanPackage();
+console.log(`${npmPackageName} ready to publish.`);