fix: improve flow in init command on higher Yarn versions

packages/cli/src/commands/init/init.ts

@@ -21,6 +21,7 @@ import * as PackageManager from '../../tools/packageManager';
 import {installPods} from '@react-native-community/cli-doctor';
 import banner from './banner';
 import TemplateAndVersionError from './errors/TemplateAndVersionError';
+import addNodeLinker from '../../tools/addNodeLinker';
 
 const DEFAULT_VERSION = 'latest';
 
@@ -163,6 +164,10 @@ async function installDependencies({
 }) {
   loader.start('Installing dependencies');
 
+  if (!npm) {
+    addNodeLinker(root);
+  }
+
   await PackageManager.installAll({
     preferYarn: !npm,
     silent: true,

packages/cli/src/commands/init/template.ts

@@ -6,6 +6,7 @@ import copyFiles from '../../tools/copyFiles';
 import replacePathSepForRegex from '../../tools/replacePathSepForRegex';
 import fs from 'fs';
 import chalk from 'chalk';
+import addNodeLinker from '../../tools/addNodeLinker';
 
 export type TemplateConfig = {
   placeholderName: string;
@@ -27,6 +28,10 @@ export async function installTemplatePackage(
     root,
   });
 
+  if (!npm) {
+    addNodeLinker(root);
+  }
+
   return PackageManager.install([templateName], {
     preferYarn: !npm,
     silent: true,

packages/cli/src/tools/addNodeLinker.ts

@@ -0,0 +1,17 @@
+import path from 'path';
+import fs from 'fs';
+
+/**
+ Creates a `.yarnrc.yml` file in the root of the project to force Yarn to use the `node-modules` linker, because React Native doesn't support the Plug'n'Play node linker.
+ */
+
+const addNodeLinker = (root: string) => {
+  const yarnrcFileContent = 'nodeLinker: node-modules\n';
+
+  fs.writeFileSync(path.join(root, '.yarnrc.yml'), yarnrcFileContent, {
+    encoding: 'utf8',
+    flag: 'w',
+  });
+};
+
+export default addNodeLinker;