Add files

.erb/scripts/check-native-dep.js

@@ -0,0 +1,54 @@
+import fs from 'fs';
+import chalk from 'chalk';
+import { execSync } from 'child_process';
+import { dependencies } from '../../package.json';
+
+if (dependencies) {
+  const dependenciesKeys = Object.keys(dependencies);
+  const nativeDeps = fs
+    .readdirSync('node_modules')
+    .filter((folder) => fs.existsSync(`node_modules/${folder}/binding.gyp`));
+  if (nativeDeps.length === 0) {
+    process.exit(0);
+  }
+  try {
+    // Find the reason for why the dependency is installed. If it is installed
+    // because of a devDependency then that is okay. Warn when it is installed
+    // because of a dependency
+    const { dependencies: dependenciesObject } = JSON.parse(
+      execSync(`npm ls ${nativeDeps.join(' ')} --json`).toString()
+    );
+    const rootDependencies = Object.keys(dependenciesObject);
+    const filteredRootDependencies = rootDependencies.filter((rootDependency) =>
+      dependenciesKeys.includes(rootDependency)
+    );
+    if (filteredRootDependencies.length > 0) {
+      const plural = filteredRootDependencies.length > 1;
+      console.log(`
+ ${chalk.whiteBright.bgYellow.bold(
+   'Webpack does not work with native dependencies.'
+ )}
+${chalk.bold(filteredRootDependencies.join(', '))} ${
+        plural ? 'are native dependencies' : 'is a native dependency'
+      } and should be installed inside of the "./release/app" folder.
+ First, uninstall the packages from "./package.json":
+${chalk.whiteBright.bgGreen.bold('npm uninstall your-package')}
+ ${chalk.bold(
+   'Then, instead of installing the package to the root "./package.json":'
+ )}
+${chalk.whiteBright.bgRed.bold('npm install your-package')}
+ ${chalk.bold('Install the package to "./release/app/package.json"')}
+${chalk.whiteBright.bgGreen.bold(
+  'cd ./release/app && npm install your-package'
+)}
+ Read more about native dependencies at:
+${chalk.bold(
+  'https://electron-react-boilerplate.js.org/docs/adding-dependencies/#module-structure'
+)}
+ `);
+      process.exit(1);
+    }
+  } catch (e) {
+    console.log('Native dependencies could not be checked');
+  }
+}