callstack · satya164 · Mar 18, 2026 · Mar 18, 2026
diff --git a/.github/workflows/upgrade-template-deps.yml b/.github/workflows/upgrade-template-deps.yml
@@ -0,0 +1,54 @@
+name: Upgrade template dependencies
+
+on:
+  schedule:
+    - cron: '0 0 * * 1' # Every Monday at midnight UTC
+  workflow_dispatch:
+
+permissions:
+  contents: write
+  pull-requests: write
+
+jobs:
+  upgrade-template-deps:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+
+      - name: Setup
+        uses: ./.github/actions/setup
+
+      - name: Run upgrade script
+        run: node scripts/upgrade-template-deps.mts
+
+      - name: Create or update pull request
+        run: |
+          if [ -z "$(git status --porcelain)" ]; then
+            echo "No changes to commit."
+            exit 0
+          fi
+
+          git config user.name "github-actions[bot]"
+          git config user.email "github-actions[bot]@users.noreply.github.com"
+
+          branch="upgrade-template-deps"
+
+          git checkout -B "$branch"
+          git add -A
+          git commit -m "chore: upgrade template dependencies"
+          git push -u origin "$branch" --force
+
+          existing_pr=$(gh pr list --head "$branch" --json number --jq '.[0].number')
+
+          if [ -n "$existing_pr" ]; then
+            echo "Updated existing PR #$existing_pr"
+          else
+            gh pr create \
+              --title "chore: upgrade template dependencies" \
+              --body "Automated upgrade of template dependencies via \`scripts/upgrade-template-deps.mts\`." \
+              --label "dependencies"
+          fi
+        env:
+          GH_TOKEN: ${{ github.token }}
diff --git a/eslint.config.mjs b/eslint.config.mjs
@@ -1,5 +1,6 @@
 import { defineConfig, globalIgnores } from 'eslint/config';
 import { recommended, vitest, typechecked } from 'eslint-config-satya164';
+import globals from 'globals';
 
 export default defineConfig(
   recommended,
@@ -24,6 +25,13 @@ export default defineConfig(
     },
   },
 
+  {
+    files: ['scripts/**'],
+    languageOptions: {
+      globals: globals.node,
+    },
+  },
+
   globalIgnores([
     '**/.next/',
     '**/.expo/',

diff --git a/packages/create-react-native-library/package.json b/packages/create-react-native-library/package.json
@@ -48,7 +48,7 @@
     "github-username": "^6.0.0",
     "kleur": "^4.1.4",
     "ora": "^5.4.1",
-    "pigment": "^0.3.11",
+    "pigment": "^0.4.0",
     "validate-npm-package-name": "^4.0.0"
   },
   "devDependencies": {

diff --git a/packages/create-react-native-library/src/constants.ts b/packages/create-react-native-library/src/constants.ts
@@ -1,3 +1,4 @@
 export const FALLBACK_BOB_VERSION = '0.40.13';
 export const FALLBACK_NITRO_MODULES_VERSION = '0.29.8';
+export const SUPPORTED_MONOREPO_CONFIG_VERSION = '0.3.3';
 export const SUPPORTED_REACT_NATIVE_VERSION = '0.83.0';
diff --git a/packages/create-react-native-library/src/exampleApp/generateExampleApp.ts b/packages/create-react-native-library/src/exampleApp/generateExampleApp.ts
@@ -1,11 +1,12 @@
+import dedent from 'dedent';
 import fs from 'fs-extra';
 import getLatestVersion from 'get-latest-version';
 import https from 'https';
 import path from 'path';
+import { SUPPORTED_MONOREPO_CONFIG_VERSION } from '../constants';
 import type { TemplateConfiguration } from '../template';
 import sortObjectKeys from '../utils/sortObjectKeys';
 import { spawn } from '../utils/spawn';
-import dedent from 'dedent';
 
 const FILES_TO_DELETE = [
   '__tests__',
@@ -216,7 +217,7 @@ export default async function generateExampleApp({
 
   const PACKAGES_TO_ADD_DEV = {
     'react-native-builder-bob': `^${config.versions.bob}`,
-    'react-native-monorepo-config': `^0.3.3`,
+    'react-native-monorepo-config': `^${SUPPORTED_MONOREPO_CONFIG_VERSION}`,
   };
 
   if (

diff --git a/packages/create-react-native-library/src/template.ts b/packages/create-react-native-library/src/template.ts
@@ -260,6 +260,10 @@ export async function applyTemplate(
   const files = await fs.readdir(source);
 
   for (const f of files) {
+    if (f.startsWith('~')) {
+      continue;
+    }
+
     let name;
 
     try {

diff --git a/packages/create-react-native-library/src/utils/configureTools.ts b/packages/create-react-native-library/src/utils/configureTools.ts
@@ -2,12 +2,10 @@ import fs from 'fs-extra';
 import path from 'node:path';
 import { applyTemplate, type TemplateConfiguration } from '../template';
 import sortObjectKeys from './sortObjectKeys';
-import { SUPPORTED_REACT_NATIVE_VERSION } from '../constants';
 
 type Tool = {
   name: string;
   description: string;
-  package: Record<string, unknown>;
   condition?: (config: TemplateConfiguration) => boolean;
 };
 
@@ -21,109 +19,26 @@ type Options = {
 const ESLINT = {
   name: 'ESLint with Prettier',
   description: 'Lint and format code',
-  package: {
-    scripts: {
-      lint: 'eslint "**/*.{js,ts,tsx}"',
-    },
-    prettier: {
-      quoteProps: 'consistent',
-      singleQuote: true,
-      tabWidth: 2,
-      trailingComma: 'es5',
-      useTabs: false,
-    },
-    devDependencies: {
-      '@eslint/compat': '^1.3.2',
-      '@eslint/eslintrc': '^3.3.1',
-      '@eslint/js': '^9.35.0',
-      '@react-native/eslint-config': SUPPORTED_REACT_NATIVE_VERSION,
-      'eslint-config-prettier': '^10.1.8',
-      'eslint-plugin-prettier': '^5.5.4',
-      'eslint': '^9.35.0',
-      'prettier': '^2.8.8',
-    },
-  },
 };
 
 const LEFTHOOK = {
   name: 'Lefthook with Commitlint',
   description: 'Manage Git hooks and lint commit messages',
-  package: {
-    commitlint: {
-      extends: ['@commitlint/config-conventional'],
-    },
-    devDependencies: {
-      '@commitlint/config-conventional': '^19.8.1',
-      'commitlint': '^19.8.1',
-      'lefthook': '^2.0.3',
-    },
-  },
 };
 
 const RELEASE_IT = {
   name: 'Release It',
   description: 'Automate versioning and package publishing tasks',
-  package: {
-    'scripts': {
-      release: 'release-it --only-version',
-    },
-    'release-it': {
-      git: {
-        // eslint-disable-next-line no-template-curly-in-string
-        commitMessage: 'chore: release ${version}',
-        // eslint-disable-next-line no-template-curly-in-string
-        tagName: 'v${version}',
-      },
-      npm: {
-        publish: true,
-      },
-      github: {
-        release: true,
-      },
-      plugins: {
-        '@release-it/conventional-changelog': {
-          preset: {
-            name: 'angular',
-          },
-        },
-      },
-    },
-    'devDependencies': {
-      'release-it': '^19.0.4',
-      '@release-it/conventional-changelog': '^10.0.1',
-    },
-  },
 };
 
 const JEST = {
   name: 'Jest',
   description: 'Test JavaScript and TypeScript code',
-  package: {
-    scripts: {
-      test: 'jest',
-    },
-    jest: {
-      preset: 'react-native',
-      modulePathIgnorePatterns: [
-        '<rootDir>/example/node_modules',
-        '<rootDir>/lib/',
-      ],
-    },
-    devDependencies: {
-      '@types/jest': '^29.5.14',
-      'jest': '^29.7.0',
-    },
-  },
 };
 
 const TURBOREPO = {
   name: 'Turborepo',
   description: 'Cache build outputs on CI',
-  package: {
-    devDependencies: {
-      turbo: '^2.5.6',
-    },
-  },
 };
 
 export const AVAILABLE_TOOLS = {
@@ -168,39 +83,49 @@ export async function configureTools({
       continue;
     }
 
-    const files = path.resolve(__dirname, `../../templates/tools/${key}`);
+    const toolDir = path.resolve(__dirname, `../../templates/tools/${key}`);
 
-    if (fs.existsSync(files)) {
-      await applyTemplate(config, files, root);
+    if (fs.existsSync(toolDir)) {
+      await applyTemplate(config, toolDir, root);
     }
 
-    for (const [key, value] of Object.entries(tool.package)) {
-      if (
-        typeof value === 'object' &&
-        value !== null &&
-        !Array.isArray(value)
-      ) {
-        if (typeof packageJson[key] === 'object' || packageJson[key] == null) {
-          packageJson[key] = {
-            ...packageJson[key],
-            ...value,
-          };
+    const pkgPath = path.join(toolDir, '~package.json');
 
+    if (fs.existsSync(pkgPath)) {
+      // eslint-disable-next-line @typescript-eslint/no-unsafe-type-assertion
+      const toolPkg = (await fs.readJson(pkgPath)) as Record<string, unknown>;
+
+      for (const [field, value] of Object.entries(toolPkg)) {
+        if (
+          typeof value === 'object' &&
+          value !== null &&
+          !Array.isArray(value)
+        ) {
           if (
-            key === 'dependencies' ||
-            key === 'devDependencies' ||
-            key === 'peerDependencies'
+            typeof packageJson[field] === 'object' ||
+            packageJson[field] == null
           ) {
-            // @ts-expect-error: We know they are objects here
-            packageJson[key] = sortObjectKeys(packageJson[key]);
+            packageJson[field] = {
+              ...packageJson[field],
+              ...value,
+            };
+
+            if (
+              field === 'dependencies' ||
+              field === 'devDependencies' ||
+              field === 'peerDependencies'
+            ) {
+              // @ts-expect-error: We know they are objects here
+              packageJson[field] = sortObjectKeys(packageJson[field]);
+            }
+          } else {
+            throw new Error(
+              `Cannot merge '${field}' field because it is not an object (got '${String(packageJson[field])}').`
+            );
           }
         } else {
-          throw new Error(
-            `Cannot merge '${key}' field because it is not an object (got '${String(packageJson[key])}').`
-          );
+          packageJson[field] = value;
         }
-      } else {
-        packageJson[key] = value;
       }
     }
   }

diff --git a/packages/create-react-native-library/templates/tools/eslint/~package.json b/packages/create-react-native-library/templates/tools/eslint/~package.json
@@ -0,0 +1,22 @@
+{
+  "scripts": {
+    "lint": "eslint \"**/*.{js,ts,tsx}\""
+  },
+  "prettier": {
+    "quoteProps": "consistent",
+    "singleQuote": true,
+    "tabWidth": 2,
+    "trailingComma": "es5",
+    "useTabs": false
+  },
+  "devDependencies": {
+    "@eslint/compat": "^1.3.2",
+    "@eslint/eslintrc": "^3.3.1",
+    "@eslint/js": "^9.35.0",
+    "@react-native/eslint-config": "0.83.0",
+    "eslint": "^9.35.0",
+    "eslint-config-prettier": "^10.1.8",
+    "eslint-plugin-prettier": "^5.5.4",
+    "prettier": "^2.8.8"
+  }
+}
diff --git a/packages/create-react-native-library/templates/tools/jest/~package.json b/packages/create-react-native-library/templates/tools/jest/~package.json
@@ -0,0 +1,16 @@
+{
+  "scripts": {
+    "test": "jest"
+  },
+  "jest": {
+    "preset": "react-native",
+    "modulePathIgnorePatterns": [
+      "<rootDir>/example/node_modules",
+      "<rootDir>/lib/"
+    ]
+  },
+  "devDependencies": {
+    "@types/jest": "^29.5.14",
+    "jest": "^29.7.0"
+  }
+}
diff --git a/packages/create-react-native-library/templates/tools/lefthook/~package.json b/packages/create-react-native-library/templates/tools/lefthook/~package.json
@@ -0,0 +1,10 @@
+{
+  "commitlint": {
+    "extends": ["@commitlint/config-conventional"]
+  },
+  "devDependencies": {
+    "@commitlint/config-conventional": "^19.8.1",
+    "commitlint": "^19.8.1",
+    "lefthook": "^2.0.3"
+  }
+}