Release/react scripts 4.0.3

.gitattributes

@@ -0,0 +1 @@
+* text=auto eol=lf

.github/CODEOWNERS

@@ -1,2 +1,2 @@
 packages/ @ianschmitz @iansu @mrmckeb @petetnt
-docusaurus/ @amyrlam @iansu
+docusaurus/ @ianschmitz @iansu @mrmckeb

.github/FUNDING.yml

@@ -0,0 +1 @@
+open_collective: create-react-app

.github/stale.yml

@@ -9,20 +9,20 @@ daysUntilClose: 5
 
 # Issues or Pull Requests with these labels will never be considered stale. Set to `[]` to disable
 exemptLabels:
-  - "contributions: claimed"
-  - "contributions: up for grabs!"
-  - "good first issue"
-  - "issue: announcement"
-  - "issue: bug"
-  - "issue: needs investigation"
-  - "issue: proposal"
-  - "tag: breaking change"
-  - "tag: bug fix"
-  - "tag: documentation"
-  - "tag: enhancement"
-  - "tag: internal"
-  - "tag: new feature"
-  - "tag: underlying tools"
+  - 'contributions: claimed'
+  - 'contributions: up for grabs!'
+  - 'good first issue'
+  - 'issue: announcement'
+  - 'issue: bug'
+  - 'issue: needs investigation'
+  - 'issue: proposal'
+  - 'tag: breaking change'
+  - 'tag: bug fix'
+  - 'tag: documentation'
+  - 'tag: enhancement'
+  - 'tag: internal'
+  - 'tag: new feature'
+  - 'tag: underlying tools'
 
 # Set to true to ignore issues in a project (defaults to false)
 exemptProjects: true

.prettierrc

@@ -1,6 +1,5 @@
 {
   "arrowParens": "avoid",
-  "trailingComma": "es5",
   "singleQuote": true,
   "semi": true
 }

README.md

@@ -1,5 +1,7 @@
 # Create React App [![Build Status](https://dev.azure.com/facebook/create-react-app/_apis/build/status/facebook.create-react-app?branchName=master)](https://dev.azure.com/facebook/create-react-app/_build/latest?definitionId=1&branchName=master) [![PRs Welcome](https://img.shields.io/badge/PRs-welcome-green.svg)](https://github.com/facebook/create-react-app/blob/master/CONTRIBUTING.md)
 
+<img alt="Logo" align="right" src="https://create-react-app.dev/img/logo.svg" width="20%" />
+
 Create React apps with no build configuration.
 
 - [Creating an App](#creating-an-app) – How to create a new app.
@@ -17,7 +19,7 @@ cd my-app
 npm start
 ```
 
-If you've previously installed `create-react-app` globally via `npm install -g create-react-app`, we recommend you uninstall the package using `npm uninstall -g create-react-app` to ensure that npx always uses the latest version.
+If you've previously installed `create-react-app` globally via `npm install -g create-react-app`, we recommend you uninstall the package using `npm uninstall -g create-react-app` or `yarn global remove create-react-app` to ensure that npx always uses the latest version.
 
 _([npx](https://medium.com/@maybekatz/introducing-npx-an-npm-package-runner-55f7d4bd282b) comes with npm 5.2+ and higher, see [instructions for older npm versions](https://gist.github.com/gaearon/4064d3c23a77c74a3614c498a8bb1c5f))_
 
@@ -37,7 +39,7 @@ Create a project, and you’re good to go.
 
 ## Creating an App
 
-**You’ll need to have Node 8.16.0 or Node 10.16.0 or later version on your local development machine** (but it’s not required on the server). You can use [nvm](https://github.com/creationix/nvm#installation) (macOS/Linux) or [nvm-windows](https://github.com/coreybutler/nvm-windows#node-version-manager-nvm-for-windows) to switch Node versions between different projects.
+**You’ll need to have Node 10.16.0 or later version on your local development machine** (but it’s not required on the server). We recommend using the latest LTS version. You can use [nvm](https://github.com/creationix/nvm#installation) (macOS/Linux) or [nvm-windows](https://github.com/coreybutler/nvm-windows#node-version-manager-nvm-for-windows) to switch Node versions between different projects.
 
 To create a new app, you may choose one of the following methods:
 
@@ -175,9 +177,9 @@ Here are a few common cases where you might want to try something else:
 
 - If you need to **publish a React component**, [nwb](https://github.com/insin/nwb) can [also do this](https://github.com/insin/nwb#react-components-and-libraries), as well as [Neutrino's react-components preset](https://neutrino.js.org/packages/react-components/).
 
-- If you want to do **server rendering** with React and Node.js, check out [Next.js](https://github.com/zeit/next.js/) or [Razzle](https://github.com/jaredpalmer/razzle). Create React App is agnostic of the backend, and only produces static HTML/JS/CSS bundles.
+- If you want to do **server rendering** with React and Node.js, check out [Next.js](https://nextjs.org/) or [Razzle](https://github.com/jaredpalmer/razzle). Create React App is agnostic of the backend, and only produces static HTML/JS/CSS bundles.
 
-- If your website is **mostly static** (for example, a portfolio or a blog), consider using [Gatsby](https://www.gatsbyjs.org/) instead. Unlike Create React App, it pre-renders the website into HTML at the build time.
+- If your website is **mostly static** (for example, a portfolio or a blog), consider using [Gatsby](https://www.gatsbyjs.org/) or [Next.js](https://nextjs.org/). Unlike Create React App, Gatsby pre-renders the website into HTML at build time. Next.js supports both server rendering and pre-rendering.
 
 - Finally, if you need **more customization**, check out [Neutrino](https://neutrino.js.org/) and its [React preset](https://neutrino.js.org/packages/react/).
 
@@ -194,6 +196,10 @@ Check out [Expo CLI](https://github.com/expo/expo-cli).
 
 We'd love to have your helping hand on `create-react-app`! See [CONTRIBUTING.md](CONTRIBUTING.md) for more information on what we're looking for and how to get started.
 
+## Supporting Create React App
+
+Create React App is a community maintained project and all contributors are volunteers. If you'd like to support the future development of Create React App then please consider donating to our [Open Collective](https://opencollective.com/create-react-app).
+
 ## Credits
 
 This project exists thanks to all the people who [contribute](CONTRIBUTING.md).<br>
@@ -211,4 +217,4 @@ We are grateful to the authors of existing related projects for their ideas and
 
 ## License
 
-Create React App is open source software [licensed as MIT](https://github.com/facebook/create-react-app/blob/master/LICENSE).
+Create React App is open source software [licensed as MIT](https://github.com/facebook/create-react-app/blob/master/LICENSE). The Create React App logo is licensed under a [Creative Commons Attribution 4.0 International license](https://creativecommons.org/licenses/by/4.0/).

SECURITY.md

@@ -0,0 +1,7 @@
+# Reporting Security Issues
+
+If you believe you have found a security vulnerability in Create React App, we encourage you to let us know right away. We will investigate all legitimate reports and do our best to quickly fix the problem.
+
+Please refer to the following page for our responsible disclosure policy, reward guidelines, and those things that should not be reported:
+
+https://www.facebook.com/whitehat

azure-pipelines-test-job.yml

@@ -1,38 +1,38 @@
-#
-# Azure Pipelines job for building and testing create-react-app on Linux, Windows, and macOS.
-#
-
-parameters:
-  name: ''
-  testScript: ''
-  configurations:
-    LinuxNode10: { vmImage: 'ubuntu-16.04', nodeVersion: 10.x }
-    LinuxNode12: { vmImage: 'ubuntu-16.04', nodeVersion: 12.x }
-
-jobs:
-  - job: ${{ parameters.name }}
-    strategy:
-      matrix:
-        ${{ insert }}: ${{ parameters.configurations }}
-    pool:
-      vmImage: $(vmImage)
-    steps:
-      - script: |
-          git config --global core.autocrlf false
-          git config --global user.name "Create React App"
-          git config --global user.email "cra@email.com"
-        displayName: 'Initialize Git config'
-
-      - checkout: self
-        path: create-react-app
-
-      - task: NodeTool@0
-        inputs:
-          versionSpec: $(nodeVersion)
-        displayName: 'Install Node.js'
-
-      - script: yarn --frozen-lockfile
-        displayName: 'Run yarn'
-
-      - bash: ${{ parameters.testScript }}
-        displayName: 'Run tests'
+#
+# Azure Pipelines job for building and testing create-react-app on Linux, Windows, and macOS.
+#
+
+parameters:
+  name: ''
+  testScript: ''
+  configurations:
+    LinuxNode10: { vmImage: 'ubuntu-16.04', nodeVersion: 10.x }
+    LinuxNode12: { vmImage: 'ubuntu-16.04', nodeVersion: 12.x }
+
+jobs:
+  - job: ${{ parameters.name }}
+    strategy:
+      matrix:
+        ${{ insert }}: ${{ parameters.configurations }}
+    pool:
+      vmImage: $(vmImage)
+    steps:
+      - script: |
+          git config --global core.autocrlf false
+          git config --global user.name "Create React App"
+          git config --global user.email "cra@email.com"
+        displayName: 'Initialize Git config'
+
+      - checkout: self
+        path: create-react-app
+
+      - task: NodeTool@0
+        inputs:
+          versionSpec: $(nodeVersion)
+        displayName: 'Install Node.js'
+
+      - script: yarn --frozen-lockfile
+        displayName: 'Run yarn'
+
+      - bash: ${{ parameters.testScript }}
+        displayName: 'Run tests'

azure-pipelines.yml

@@ -1,77 +1,77 @@
-#
-# Azure Pipelines configuration for building and testing create-react-app on Linux, Windows, and macOS.
-#
-
-trigger:
-  - master
-
-variables:
-  CI: true
-  # Overrides the Yarn and NPM cache directories so they are on the same drive as the source. This helps improve build performance on Windows hosted agents.
-  YARN_CACHE_FOLDER: $(Build.SourcesDirectory)/../yarn-cache
-  NPM_CONFIG_CACHE: $(Build.SourcesDirectory)/../npm-cache
-  # Sets TEMP to be on the same drive as the cloned source on Windows. This avoids test scripts that "cd" into a directory under TEMP from failing because this directory is on a different drive from the current directory.
-  VSTS_OVERWRITE_TEMP: True
-  CRA_INTERNAL_TEST: true
-
-# ******************************************************************************
-# Simple test suite
-# ******************************************************************************
-jobs:
-  - template: azure-pipelines-test-job.yml
-    parameters:
-      name: Simple
-      testScript: tasks/e2e-simple.sh
-
-  # ******************************************************************************
-  # Installs test suite
-  # ******************************************************************************
-  - template: azure-pipelines-test-job.yml
-    parameters:
-      name: Installs
-      testScript: tasks/e2e-installs.sh
-
-  # ******************************************************************************
-  # Kitchensink test suite
-  # ******************************************************************************
-  - template: azure-pipelines-test-job.yml
-    parameters:
-      name: Kitchensink
-      testScript: tasks/e2e-kitchensink.sh
-
-  # ******************************************************************************
-  # Kitchensink Eject test suite
-  # ******************************************************************************
-  - template: azure-pipelines-test-job.yml
-    parameters:
-      name: KitchensinkEject
-      testScript: tasks/e2e-kitchensink-eject.sh
-
-  # ******************************************************************************
-  # Behavior test suite
-  # ******************************************************************************
-  - template: azure-pipelines-test-job.yml
-    parameters:
-      name: Behavior
-      testScript: tasks/e2e-behavior.sh
-      configurations:
-        LinuxNode10: { vmImage: 'ubuntu-16.04', nodeVersion: 10.x }
-        LinuxNode12: { vmImage: 'ubuntu-16.04', nodeVersion: 12.x }
-        WindowsNode10: { vmImage: 'windows-2019', nodeVersion: 10.x }
-        WindowsNode12: { vmImage: 'windows-2019', nodeVersion: 12.x }
-        MacNode10: { vmImage: 'macOS-10.15', nodeVersion: 10.x }
-        MacNode12: { vmImage: 'macOS-10.15', nodeVersion: 12.x }
-
-  # ******************************************************************************
-  # Old Node test suite
-  # ******************************************************************************
-  - job: OldNode
-    pool:
-      vmImage: ubuntu-latest
-    steps:
-      - task: NodeTool@0
-        inputs:
-          versionSpec: 8.x
-        displayName: 'Install Node.js 8.x'
-      - bash: tasks/e2e-old-node.sh
-        displayName: 'Run tests'
+#
+# Azure Pipelines configuration for building and testing create-react-app on Linux, Windows, and macOS.
+#
+
+trigger:
+  - master
+
+variables:
+  CI: true
+  # Overrides the Yarn and NPM cache directories so they are on the same drive as the source. This helps improve build performance on Windows hosted agents.
+  YARN_CACHE_FOLDER: $(Build.SourcesDirectory)/../yarn-cache
+  NPM_CONFIG_CACHE: $(Build.SourcesDirectory)/../npm-cache
+  # Sets TEMP to be on the same drive as the cloned source on Windows. This avoids test scripts that "cd" into a directory under TEMP from failing because this directory is on a different drive from the current directory.
+  VSTS_OVERWRITE_TEMP: True
+  CRA_INTERNAL_TEST: true
+
+# ******************************************************************************
+# Simple test suite
+# ******************************************************************************
+jobs:
+  - template: azure-pipelines-test-job.yml
+    parameters:
+      name: Simple
+      testScript: tasks/e2e-simple.sh
+
+  # ******************************************************************************
+  # Installs test suite
+  # ******************************************************************************
+  - template: azure-pipelines-test-job.yml
+    parameters:
+      name: Installs
+      testScript: tasks/e2e-installs.sh
+
+  # ******************************************************************************
+  # Kitchensink test suite
+  # ******************************************************************************
+  - template: azure-pipelines-test-job.yml
+    parameters:
+      name: Kitchensink
+      testScript: tasks/e2e-kitchensink.sh
+
+  # ******************************************************************************
+  # Kitchensink Eject test suite
+  # ******************************************************************************
+  - template: azure-pipelines-test-job.yml
+    parameters:
+      name: KitchensinkEject
+      testScript: tasks/e2e-kitchensink-eject.sh
+
+  # ******************************************************************************
+  # Behavior test suite
+  # ******************************************************************************
+  - template: azure-pipelines-test-job.yml
+    parameters:
+      name: Behavior
+      testScript: tasks/e2e-behavior.sh
+      configurations:
+        LinuxNode10: { vmImage: 'ubuntu-16.04', nodeVersion: 10.x }
+        LinuxNode12: { vmImage: 'ubuntu-16.04', nodeVersion: 12.x }
+        WindowsNode10: { vmImage: 'windows-2019', nodeVersion: 10.x }
+        WindowsNode12: { vmImage: 'windows-2019', nodeVersion: 12.x }
+        MacNode10: { vmImage: 'macOS-10.15', nodeVersion: 10.x }
+        MacNode12: { vmImage: 'macOS-10.15', nodeVersion: 12.x }
+
+  # ******************************************************************************
+  # Old Node test suite
+  # ******************************************************************************
+  - job: OldNode
+    pool:
+      vmImage: ubuntu-latest
+    steps:
+      - task: NodeTool@0
+        inputs:
+          versionSpec: 8.x
+        displayName: 'Install Node.js 8.x'
+      - bash: tasks/e2e-old-node.sh
+        displayName: 'Run tests'

docusaurus/docs/adding-typescript.md

@@ -19,11 +19,11 @@ npx create-react-app my-app --template typescript
 yarn create react-app my-app --template typescript
 ```
 
-> If you've previously installed `create-react-app` globally via `npm install -g create-react-app`, we recommend you uninstall the package using `npm uninstall -g create-react-app` to ensure that `npx` always uses the latest version.
+> If you've previously installed `create-react-app` globally via `npm install -g create-react-app`, we recommend you uninstall the package using `npm uninstall -g create-react-app` or `yarn global remove create-react-app` to ensure that `npx` always uses the latest version.
 >
 > Global installs of `create-react-app` are no longer supported.
 
-To add [TypeScript](https://www.typescriptlang.org/) to a Create React App project, first install it:
+To add [TypeScript](https://www.typescriptlang.org/) to an existing Create React App project, first install it:
 
 ```sh
 npm install --save typescript @types/node @types/react @types/react-dom @types/jest
@@ -47,7 +47,7 @@ You are not required to make a [`tsconfig.json` file](https://www.typescriptlang
 
 ## Troubleshooting
 
-If your project is not created with TypeScript enabled, npx may be using a cached version of `create-react-app`. Remove previously installed versions with `npm uninstall -g create-react-app` (see [#6119](https://github.com/facebook/create-react-app/issues/6119#issuecomment-451614035)).
+If your project is not created with TypeScript enabled, npx may be using a cached version of `create-react-app`. Remove previously installed versions with `npm uninstall -g create-react-app` or `yarn global remove create-react-app` (see [#6119](https://github.com/facebook/create-react-app/issues/6119#issuecomment-451614035)).
 
 If you are currently using [create-react-app-typescript](https://github.com/wmonk/create-react-app-typescript/), see [this blog post](https://vincenttunru.com/migrate-create-react-app-typescript-to-create-react-app/) for instructions on how to migrate to Create React App.