UnhandledPromiseRejectionWarning on Node 7.7.2 #1776

cschroeter · 2017-03-09T07:42:25Z

Description

Bug

Expected behavior

npm start

should not return a UnhandledPromiseRejectionWarning

Actual behavior

cschroeter@pc:~/workspace/my-first-react-app$ npm start

> test@0.1.0 start /home/cschroeter/workspace/my-first-react-app
> react-scripts start

(node:1863) UnhandledPromiseRejectionWarning: Unhandled promise rejection (rejection id: 2): TypeError: "listener" argument must be a function
(node:1863) DeprecationWarning: Unhandled promise rejections are deprecated. In the future, promise rejections that are not handled will terminate the Node.js process with a non-zero exit code.

Environment

Run these commands in the project folder and fill in their results:

npm ls react-scripts (if you haven’t ejected):

cschroeter@pc:~/workspace/my-first-react-app$ npm ls react-scripts
my-frist-react-app@0.1.0 /home/cschroeter/workspace/my-frist-react-app
└── react-scripts@0.9.4

node -v:

v7.7.2

npm -v:

4.3.0

Then, specify:

Operating system:
Windows 10 in Linux Bash Shell Build 15048 (Creator Update)

To Reproduce

$ create-react-app my-first-react-app
$ cd my-first-react-app
$ npm start

The text was updated successfully, but these errors were encountered:

whelmich · 2017-03-09T09:33:52Z

Can reproduce in Linux Mint 18.1 with the same node/npm versions.

Problem can be resolved by downgrading node to 7.7.1 or older. The problem appeared after upgrading node to 7.7.2.

whelmich · 2017-03-09T11:07:32Z

This problem seems to be caused by detect-port:1.0.1, used by react-scripts. It causes an error in detect-port/lib/detect-port.js on line 61 socket.connect(...).

detect-port is currently at version 1.1.0 which features a different approach of port detection. This version resolves the error for node v7.7.2, and also works with 7.6.0 and 7.7.1.

The Travis build test of version 1.1.0 of detect-port seems to fail, because the test is using node v4.8.0. On node 7.6.0, 7.7.1 and 7.7.2 the tests complete without any problems.

As the minimum node version of react-scripts is >=4 I am not sure if upgrading the version of detect-port in package.json in react-scripts is an acceptable solution as detect-ports:1.1.0 only passes its test on node version >=6.

Timer · 2017-03-09T13:58:30Z

We do not support Node 7, so the official recommendation would be to downgrade to the latest LTS.
Currently, that is Node v6.10.0.

However, we understand this might be desirable. Would one of you like to send a PR adding Node 7 to the CI (only one of the test cases) and resolving this issue?
Thanks!

/cc @whelmich

gaearon · 2017-03-09T14:25:38Z

(We definitely should support Node 7 tho)

taivu · 2017-03-09T14:27:15Z

I get the same error in MacOS El Capitan and Ubuntu (both node 7). Weird thing is that in Ubuntu it still runs and starts the server, but doesnt detect any changes to files. In MacOS, it just quits.

Timer · 2017-03-09T14:41:27Z

(We definitely should support Node 7 tho)

We should probably run all test cases on Node 7 then. 🤷‍♀️

Node 8 comes out in a month though, which I assume means we would drop Node 7 support. Worth waiting?

gaearon · 2017-03-09T14:45:42Z

I don't think we should skip supported versions, it would be confusing.

vhain · 2017-03-09T16:43:11Z

It can be bug of Node 7.7.2 and if it is, it should be fixed by nodejs/node#11762

+i think that promise should be catch somewhere

Timer · 2017-03-09T16:53:15Z

Ah, brilliant @vhain! This definitely looks like a regression then. 😄

whelmich · 2017-03-09T17:52:15Z

After upgrading detect-port in react-scripts to 1.1.0, I can run create-react-app without any issues on node 4.8.0, 6.10.0 and 7.7.2. So upgrading it could still be a solution, without impacting the minimal node version.

Travis/tests failing on detect-port:1.1.0 with node <6 as mentioned earlier, seem to be related to its test dependency only. It doesn't withhold the package from working on node <6 when used with react-scripts. Though, I'm not sure if this may influence any other create-react-app tests somehow.

gaearon · 2017-03-09T18:00:12Z

Want to send a PR enabling tests on Node 7 + bumping the version?

vhain · 2017-03-09T18:50:27Z

@whelmich yeah, it's because of this line of commit removed code occurring issue of Node 7.7.2

* Run CI on Node 7 * Bump detect-port: 1.0.1 -> 1.1.0 * Run AppVeyor CI on Node 7

gaearon · 2017-03-09T21:09:59Z

Workaround merged in #1783.

gaearon · 2017-03-09T21:19:30Z

0.9.5 is out with the fix.
https://github.com/facebookincubator/create-react-app/releases/tag/v0.9.5

Andreyco · 2017-03-16T13:58:22Z

@gaearon Is it possible for CRA not to run on so-much-random ports? Previous behaviour was great - start with port 3000 and pick first available port.

gaearon · 2017-03-16T14:20:00Z

@Andreyco

I didn’t realize that changed. Filed as node-modules/detect-port#15 — let’s see what the maintainer says.

Andreyco · 2017-03-16T14:27:18Z

Thanks for filling the issue. Will follow the other thread as well.

Timer · 2017-03-16T14:31:13Z

That's going to be a lot of code to re-introduce (node-modules/detect-port#13), maybe we should fork it.

viankakrisna · 2017-03-16T16:04:35Z

or maybe we can pin it to 1.0.7 https://github.com/node-modules/detect-port/blob/1.0.7/lib/detect-port.js#L45 meanwhile

edit:
ah, sorry, didn't follow the thread. yeah we could just fork it

gaearon · 2017-03-16T18:23:01Z

I’m curious what was the reasoning behind that change.

Timer · 2017-03-16T19:35:30Z

Probably just less to maintain and pushing the responsibility onto the Node internals.

mnemanja · 2017-03-17T12:54:56Z

I wanted to mention that I have the same error happening for me on Win10, node 6,9.0 and 6.10.0 when I run yarn test.
I've recently updated the CRA to 0.9.5.

I can confirm that the clean CRA app doesn't show that error. Would it be possible to have a bit more precise report?

Andreyco · 2017-03-17T12:58:00Z

@mnemanja must be issue with dependency definition on your end then.

# Run on existing app
yarn remove react-scripts
yarn add react-scripts --dev

mnemanja · 2017-03-17T13:14:04Z

That's some fast response. Thanks! :)

The remove and add didn't help unfortunately.
Adding catch helped, but the "UnhandledPromiseRejectionWarning:" message is still here.

"devDependencies": {
    "react-scripts": "^0.9.5",
    "redux-devtools": "^3.3.2",
    "redux-devtools-dock-monitor": "^1.1.1",
    "redux-devtools-log-monitor": "^1.2.0"
  },
  "dependencies": {
    "babel-polyfill": "^6.23.0",
    "deep-equal": "^1.0.1",
    "is-equal": "^1.5.5",
    "jquery": "^3.1.1",
    "material-ui": "^0.17.0",
    "moment": "^2.17.1",
    "react": "^15.4.2",
    "react-dom": "^15.4.2",
    "react-grid-layout": "^0.13.9",
    "react-redux": "^5.0.2",
    "react-router": "^3.0.2",
    "react-tap-event-plugin": "^2.0.1",
    "redux": "^3.6.0",
    "redux-saga": "^0.14.3",
    "reselect": "^2.5.4",
    "whatwg-fetch": "^2.0.1"
  },
  "scripts": {
    "start": "react-scripts start",
    "build": "react-scripts build",
    "test": "react-scripts test --env=jsdom",
    "eject": "react-scripts eject"
  }

mnemanja · 2017-03-17T13:21:16Z

I wanna state that for me this isn't a blocking problem, just a pesky one :)

gaearon · 2017-03-17T15:00:53Z

Try deleting node_modules and running install again.
Also make sure your yarn.lock doesn't have the old version somehow.

Timer · 2017-03-17T15:53:58Z

If the problem persists after that, please run npm ls detect-port and we can see what version[s] are installed.
Be sure not to use yarn ls detect-port, as it's buggy.

mnemanja · 2017-03-17T15:56:13Z

@gaearon
Thanks,
removing node_modules completely and installing all the dependencies fixed the issue for me.

Thanks for the hint @Timer, I'll be sure to remember it next time something like this happens.

Keep up the good work guys :)

gaearon · 2017-03-17T16:07:41Z

Looks like we need to bump detect-port to 1.1.1: node-modules/detect-port#16 (comment)

PR, anyone?

Andreyco · 2017-03-20T12:09:48Z

cc @gaearon PR opened #1861
Can confirm, detect-port picks next available port as expected.

Resolves issue running this repo on Node 7.7.2. More info: facebook/create-react-app#1776

…acebook#1783) * Run CI on Node 7 * Bump detect-port: 1.0.1 -> 1.1.0 * Run AppVeyor CI on Node 7

@gaearon

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This is helpful for the ejected case where the appBuild path is changed to another folder name. * adding a note on how to resolve "Could not find a required file." dep… (facebook#1391) * adding a note on how to resolve "Could not find a required file." deployment errors because of deleted or ignored files * Tweak * Unrelated style nits * Use posix paths for Jest config during eject (facebook#1635) Resolves facebook#1417 and facebook#1498. * Setting a dynamic port value for the pushstate-server URL text (facebook#1628) * Setting a dynamic port value for the pushstate-server URL text after a build is completed * Fixing merge conflict * Fix up broken line * Gracefully handle initial installation error (facebook#1512) * Gracefully handle initial installation error * Print out message when problem occurs * Delete project folder on errors * Fix directory deleting message Resolves facebook#1505 * Add changelog for 0.9.1 * Publish - babel-preset-react-app@2.1.1 - create-react-app@1.1.0 - eslint-config-react-app@0.5.2 - react-dev-utils@0.5.1 - react-scripts@0.9.1 * Update changelog * Fix npm test on Windows (facebook#1647) * Add 0.9.2 changelog * 0.9.2 * Add a note about known issue * Merge changelogs * Format differently * Set Chrome userDataDir to be under .vscode folder (facebook#1657) * Fix e2e when used with cold cache (facebook#1667) Resolves facebook#1666 * Fix e2e-simple (cont.) * Add appveyor.yml (facebook#1648) * Add appveyor.yml * Execute mocha directly in e2e test * Replace e2e process substitution * Kill nohup node processes after e2e * Disable known failing Windows test * Only build master * fix react dependency versions during initial install (facebook#1669) * fix react dependency versions during initial install * add review remarks * Remove Windows 0.10 simple test * add project name validation (facebook#1662) * add project name validation * Tweak console output * fix project cleanup on windows (facebook#1675) * Revert "Enable eslint caching in development" (facebook#1665) * add X-FORWARDED headers for proxy requests (facebook#1677) * Use offline cached version with yarn when it's possible (facebook#1423) * add --offline flag when we are using yarn and we are offline * Revert changes to init script We only run these commands for backward compat mode, in which we wouldn't receive the offline flag anyway * Don't pass isOnline to init script because it doesn't need it * Don't ping the Yarn registry if user doesn't have Yarn * Remove unused/wrong arguments * Move logs to error handler * Fix error handling * Report to the user that they're offline * Add 0.9.3 changelog (facebook#1683) * Add "migrating" section for 0.9.3 * Publish - create-react-app@1.2.0 - react-scripts@0.9.3 * False expression should not be in dependencies * Publish - create-react-app@1.2.1 * appveyor: Build all branches * Suggest CRA 1.2.1 in changelog * Fixed missing flag in first preprocess command (facebook#1687) * Re-enable e2e-install directory test * Suggest to use .env for enabling polling mode (facebook#1698) * Diagnostic code (facebook#1695) * Adding diagnostic code as requested by @gaearon * Oops * Fix Jest tests for Cygwin * Improve reliability of port hint. (facebook#1696) * fixing things for people with the username `cwd` closes facebook#1694 * combine awk into a single command and add escaping * pin and bump lerna (facebook#1688) * Lerna 2.0.0-beta.38 expects packages entry * Add docs for apache's client side routing setting (facebook#1717) * Add docs for apache's client side routing setting * Tweak advice * Update now.sh deployment instructions. (facebook#1710) * Update now.sh deployment instructions. Incorporates changes announced at https://zeit.co/blog/now-static that streamline Now deployments from CRA projects. * Remove unintentional reference to deployed app. No emergency; just didn't intend to tout or send traffic to my prototype. * Add support for ignoreRestSiblings in no-unused-vars (facebook#1705) * updating eslint to 3.16.1 * add support for ignoreRestSiblings in eslint http://eslint.org/docs/rules/no-unused-vars#ignorerestsiblings * updating eslint to 3.16.1 in `react-scripts` * updating eslint * missing `^` * missing ^ * pinning main eslint and updating readme * Pin ESLint version * add double quotes to escape spaces in paths in e2e (facebook#1707) * add double quotes to escape spaces in path * Change $* to "$@" props to @n3tr * escape spaces in path for all e2e tests * Create appveyor.cleanup-cache.txt * Link Appveyor caches to appveyor.cleanup-cache.txt * Trigger AppVeyor cache cleanup * Fix hot reloading for WebpackDevServer after eject (facebook#1721) * Fix openBrowser() when BROWSER=open on macOS (facebook#1690) * Fix openBrowser() when BROWSER=open on macOS * Tweaks * Create empty package.json in e2e test (facebook#1401) (facebook#1402) * Create empty package.json in e2e test Create empty package.json in e2e test while installing packaged CLI to prevent installation issues. * Use "npm init" to initialize package.json instead of just writing an empty object into it. * Fix typo * Skip AppVeyor CI builds for Markdown changes (facebook#1723) * Skip CI builds for Markdown changes * I will never learn YML * Don't use ES6 in a file that should run on Node 4 (facebook#1724) * Bump jsx-a11y version (facebook#1542) * Bump jsx-a11y version * Update package dependecy for jsx-a11y * Bump version in react-scripts * Bump ESLint config to 0.6.0 manually * Fix Node 4 e2e tests (facebook#1730) * Lint internal scripts with eslint:recommended (facebook#1729) * Lint internal scripts with eslint:recommended * Warnings r bad * Fix ejecting from a scoped fork (facebook#1727) * Read script names from own bin instead of guessing This fixes ejecting from a fork that uses a different bin script name. * Fix ejecting for a scoped react-scripts fork We shouldn't hardcode react-scripts because fork name might differ. We also shouldn't rely on it being an immediate child because scoped packages are a level deeper. * Clarify that own* properties only exist before ejecting * Properly extract package name for installing tgz of scoped packages (facebook#1706) * Properly extract package name * Download package if need be ... * Oops * Add e2e test based on facebook#1537, but without specific filename * Pass packageName through promises A little bit more verbose but explicit and doesn't rely on shared mutable state. * Fix up directory name in test * Tweak failure message * Fix lint * extract generic build functions to react-dev-utils (facebook#1726) * Temp rename * Rename to change the case * extract generic build functions to react-dev-utils * tweak package json files and move removeFileNameHash * revert removeFileNameHash * use paths.appBuild in printFileSizes * use paths.appBuild in removeFileNameHash * change curried functions to regular functions * add fs-extra to react-dev-utils deps * move getDifferenceLabel inside printFileSizes * inline copyPublicFolder * combine printFileSizes and removeFileNameHash to fileSizeReporter * fix typo * Tweak APIs and fix issues * Fix heading * Remove missing file * Newline * Newline * Trailing space * Update FileSizeReporter.js * Update build.js * Bust AppVeoyr cache * Relax ESLint config peerDependency (facebook#1740) * Fix internal linting setup and add missing headers (facebook#1741) * Fix lint * Fix eject for linked react-scripts (facebook#1736) * fix eject for linked react-scripts * path.resolve => resolveApp * Add changelog for 0.9.4 * Publish - create-react-app@1.3.0 - eslint-config-react-app@0.6.1 - react-dev-utils@0.5.2 - react-scripts@0.9.4 * Adjust changelog wording * Switch to preset-env (facebook#1742) * Switch to preset-env Disables webpack modules by enabling babel modules to resolve facebook#1638 * Bump babel-core to match babel preset versions * Add uglify to targets * Display yarn instead of yarnpkg when creating a new app (facebook#1747) * Display yarn instead of yarnpkg * Refactored displayd commands * Removed testing directory * Add yarn steps for adding flow (facebook#1756) [skip ci] * Suggest `serve` for running in production (facebook#1760) * Suggest `serve` for serving the `build` directory * How to handle it with Node in prod (or other platforms) * Pretty newline added * Adjusted default port of static server * Remove `open` command from output * Removed constant assignment * Better explanation for not using having to use a static server * Cute newline added * Style nits * Remove 'guard-for-in' lint rule (facebook#1773) Iterating over an object's keys using `for/in` is idiomatic and it's safe (in all modern browsers) to not check hasOwnProperty as long as the object is a plain object. Can we remove this lint rule? * Run CI on Node 7; Bump detect-port: 1.0.1 -> 1.1.0 (facebook#1776) (facebook#1783) * Run CI on Node 7 * Bump detect-port: 1.0.1 -> 1.1.0 * Run AppVeyor CI on Node 7 * Add 0.9.5 changelog (facebook#1784) * Add 0.9.5 changelog * Update CHANGELOG.md * Publish - babel-preset-react-app@2.2.0 - eslint-config-react-app@0.6.2 - react-scripts@0.9.5 * docs(babel-preset): Update comment info about babel-preset-env. (facebook#1787) * Feature/readme-nomoretools (facebook#1799) * docs: replace TDLR with a meaningful heading * docs: insert section No additional build tools * Tweak wording * Suggest "yarn build" rather than "yarn run build" (facebook#1800) * Fix for issue facebook#1798: Suggested 'yarn build' versus 'yarn run build' * remove 'run' from 'yarn test' command as well * conditionally show 'run' if Yarn is not available * Tweak the wording * Allow creation of apps in empty mercurial repos (facebook#1811) * Allow creation of apps in empty mercurial repos * Adding .hgignore to list of validFiles for isSafeToCreateProjectIn check * Adding .hgcheck to list of validFiles for isSafeToCreateProjectIn check * Link to CRNA * Make Surge guide more focused * User Guide: Removed blockquote from code section, due to markdown conflict (facebook#1869) * Removed blockquote from code section * Fix the fix * Fix AppVeyor CI (facebook#1876) * Fix responsive behavior in iOS 9+ (facebook#1821) * Adding shrink-to-fit=no for proper responsive handling on Safari 9+ * Check internet connectivity with lookup instead of resolve (facebook#1863) Resolves facebook#1818 * Update `detect-port` (facebook#1861) Previous changes caused `detect-port` to pick random port on app startup. Update fixes this regression, `detect-port` pick next available port instead. * Fix importing linked packages (facebook#1884) Resolves facebook#1661 * Fix AppVeyor CI (facebook#1868) * Fix AppVeyor CI (facebook#1876) * Run AppVeyor on Visual Studio 2017 * Suggest Yarn in HTML template (facebook#1911) * Fix npm to yarn * yarn & npm * Update index.html * Switch ordering of suggestion We should suggest NPM first for new users. * Note that only jest-enzyme@2.x is compatible * Add sku to the list of alternatives (facebook#1962) * Update information in User Guide for Enzyme dependency (facebook#1982) * Ensure proxy url starts with `http://` or `https://` (facebook#1890) * Update ansi-html to fix facebook#1881 * Add linked modules test (0.9.x) (facebook#1912) * Add linked modules test * Keep fallback after eject * Add note about installing watchman (facebook#1950) * Add note about installing watchman * Update CONTRIBUTING.md * Start the dev server at the specified host Pass the host from environment variable as argument of the devServer's listen function instead of a field of options object. Set the default host to 0.0.0.0 instead of localhost. * Add folder structure docs for new contributors (facebook#1991) * Adding folder structure to help people navigate through project. It helps in resolving issues by providing brief description of each package and its purpose * Removing unnecessary packages from Folder structure heading * Update CONTRIBUTING.md * Relax label rules (facebook#1989) # Conflicts: # packages/eslint-config-react-app/index.js * Update doc server example to work from any directory (facebook#1988) * Node.js serving with absolute path It’s safer to use the absolute path of the directory that you want to serve, in case you run the express app from another directory. * Update README.md * Fix config discrepancies after merging from upstream v0.9.x * Minor fixes per feedback for upstream merging * Fix import from incorrect module * Release v7.0.0

Fixes facebook/create-react-app#1776

@nicinabox

* Bust AppVeoyr cache * Relax ESLint config peerDependency (facebook#1740) * Fix internal linting setup and add missing headers (facebook#1741) * Fix eject for linked react-scripts (facebook#1736) * fix eject for linked react-scripts * path.resolve => resolveApp * Add changelog for 0.9.4 * Published branch 0.9.x - create-react-app@1.3.0 - eslint-config-react-app@0.6.1 - react-dev-utils@0.5.2 - react-scripts@0.9.4 * Adjust changelog wording * Switch to preset-env (facebook#1742) * Switch to preset-env Disables webpack modules by enabling babel modules to resolve facebook#1638 * Bump babel-core to match babel preset versions * Add uglify to targets * Add runtime error overlay (facebook#1101) * Add red box prototype * Unmount fail node when hot-reloaded (future proofing) * Slightly improve error reason * Add Chrome unhandledrejection listener * Close red box when Escape is pressed * Construct our own source if not available * Resolve sourcemaps for friendlier traces * Allow error to be scrolled * Only utilize sourcemaps, not the magic. :( * Make view similar to React Native * Fix an uncaught syntax error * Add workaround for Firefox 50 * Add a hint for closing the prompt * Multiple error support When there's multiple errors, simply state that there are more instead of re-rendering * Log any renderer error * Dim node_modules in display * Override chrome stack trace limit * Magic: show me some source! * Add ability to toggle internal calls * Switch text from show -> hide * Change color scheme to something easier on the eyes * Change UI to be friendlier (thanks @nicinabox) facebook#1101 (comment) facebook#1101 (comment) * Update styles * Add container inside overlay * Apply pre style * Add line highlight * Add omitted frames ui * Move yellow to var * Do all function names in black * Adapt container based on screen size * Extract ansiHTML Use base16-github theme * Linting * Add syntax highlighting of errors * Linting * Remove white background * Append new files to package.json * Target exact version * White is a little harsh, use same color as red box. * Fix a bug where omitted frames would never be rendered (under certain circumstances) * Show local file path instead of confusing webpack:// * Do not require the entire file * Remove css file * Use context size, not a magic variable. * Fix title regression * Update dependency * Do not center text for internal calls * Temporarily disable links * Switch internal toggle to 'i' * Remove unnecessary rules from container style * Reduce omitted frames font size * Fix font family in pre > code * Re-introduce line highlighting * Object.<anonymous> -> (anonymous function) * Add ability to see script source * Add missing ansi mappings * Remove SIAF * Skip native functions * Extract hints div function * Extract renderers * Refacor var names * If source is disabled, don't use the line. * Allow toggle between source * Allow bundles to be expanded * Wow, how did I let this one slip? * Toggle text for UX/DX * Make it so clicking Close unmounts the error component * Do not allow hot reloading once an error is thrown * Do not wrap lines for small displays * Fix toggle when additional errors happen * Make the close a button * Capture and store errors * Dispose on render; move additional logic * Only make code not wrap * Switch to a view-by-index method * Allow user to switch between errors with arrow keys * Fix text while switching between errors * Update close button style * Render additional errors at top * Add left and right arrows * Make frames pointy * UTF-8 arrows * Don't mount unneeded DOM node * Switch to single changing text for compiled <-> source * Don't display arrows with only one error. * Collapsed and expanded * Make sure the last collapse toggle is appended * Do not show the stack trace if it doesn't resolve to a file we wrote * Style container with media queries * Do not allow x overflow; break words by default. * Trim off whitespace of lines * Remove padding since it's not outer-most * Add footer message * Extract css file to JS * Only inject the css when the overlay is up * Extract red variable * Remove env * Update babel-code-frame * Set force color to true * Extract out collapse div logic * Remove arrow field * Insert a top collapse * Make browser friendlier * Absolutify ^ * Make arrows buttons * Accessify * Let there be ES5 * Pretty css * Use forEach where we can ... * Remove extracted loop * Fix IE compatibility * Capture React warnings * Add source override via React output parsing * Whoops, fix arguments to crash. * es5-ify * Re-enable e2e-install directory test * Only rewrite line number if it was resolved and leaves a line at bottom * Rename failFast to crashOverlay * Disable console proxy * Appease linter * Appease more * Whitelist files that can be embedded through url-loader (facebook#1305) * Whitelist files that can be embedded through url-loader Change the current catch-all loader to use file-loader instead of url-loader, and exclude common image file extensons. Add another url-loader for images, configured identically to the original catch-all loader. Part of issue facebook#1293. * Update tests to reflect change in loader config * Integration test fix * More CI fixes * Work around broken loader-utils behaviour in integration tests * Revise the documentation around file loading * Documentation tweaks * Docs tweak * Update test now that webpack/loader-utils has been updated * Update react-scripts to depend on babel-loader@7.0.0-alpha.2 * Bump deps * Update deps for webpack 2 * Update broken link * Display yarn instead of yarnpkg when creating a new app (facebook#1747) * Display yarn instead of yarnpkg * Refactored displayd commands * Removed testing directory * update to modern code style (facebook#1738) * mv create-react-app/index.js -> create-react-app/creteReactApp.js * update to modern code style * var -> cosnt * set trailing-coma to es5 for prettier * Create PR_TEMPLATE.md * Rename PR_TEMPLATE.md to PULL_REQUEST_TEMPLATE.md * Update PULL_REQUEST_TEMPLATE.md * Add yarn steps for adding flow (facebook#1756) [skip ci] * Add lint-staged + husky for prettier auto-formatting on commit (facebook#1759) * Clarify philosophy about configuration (facebook#1679) * Update configuration philosophy (facebook#1768) * Update configuration philosophy * Remove explanation * Suggest `serve` for running in production (facebook#1760) * Suggest `serve` for serving the `build` directory * How to handle it with Node in prod (or other platforms) * Pretty newline added * Adjusted default port of static server * Remove `open` command from output * Removed constant assignment * Better explanation for not using having to use a static server * Cute newline added * Style nits * Remove 'guard-for-in' lint rule (facebook#1773) Iterating over an object's keys using `for/in` is idiomatic and it's safe (in all modern browsers) to not check hasOwnProperty as long as the object is a plain object. Can we remove this lint rule? * Run CI on Node 7; Bump detect-port: 1.0.1 -> 1.1.0 (facebook#1776) (facebook#1783) * Run CI on Node 7 * Bump detect-port: 1.0.1 -> 1.1.0 * Run AppVeyor CI on Node 7 * Add 0.9.5 changelog (facebook#1784) * Add 0.9.5 changelog * Update CHANGELOG.md * docs(babel-preset): Update comment info about babel-preset-env. (facebook#1787) * Feature/readme-nomoretools (facebook#1799) * docs: replace TDLR with a meaningful heading * docs: insert section No additional build tools * Tweak wording * Suggest "yarn build" rather than "yarn run build" (facebook#1800) * Fix for issue facebook#1798: Suggested 'yarn build' versus 'yarn run build' * remove 'run' from 'yarn test' command as well * conditionally show 'run' if Yarn is not available * Tweak the wording * Fixes a silent crash when ejecting (facebook#1810) * Fixes a silent crash when ejecting * Delete unnecessary files * Remove references to eslintrc in Webpack config * Fix lint * Correct ESLint CLI options * Link to CRNA * Make scripts crash on unhandled rejections (facebook#1819) * Makes end-to-end testing crash on unhandled rejections * Comment fix * Allow creation of apps in empty mercurial repos (facebook#1811) * Allow creation of apps in empty mercurial repos * Adding .hgignore to list of validFiles for isSafeToCreateProjectIn check * Adding .hgcheck to list of validFiles for isSafeToCreateProjectIn check * Make Surge guide more focused * User Guide: Removed blockquote from code section, due to markdown conflict (facebook#1869) * Removed blockquote from code section * Fix the fix * Fix AppVeyor CI (facebook#1876) * Provide commander with package name (facebook#1867) commander to figure it out on its own * Fix responsive behavior in iOS 9+ (facebook#1821) * Adding shrink-to-fit=no for proper responsive handling on Safari 9+ * Check internet connectivity with lookup instead of resolve (facebook#1863) Resolves facebook#1818 * Update `detect-port` (facebook#1861) Previous changes caused `detect-port` to pick random port on app startup. Update fixes this regression, `detect-port` pick next available port instead. * Fix importing npm linked libraries (facebook#1359) * Fix importing npm linked libraries * Update webpack.config.dev.js * Update webpack.config.prod.js * Test for accidental extraneous dependencies (facebook#1825) * Added test to check for accidental dependencies * Refactored test into a function * Removed non capturing group from grep * Update e2e-installs.sh * Fix AppVeyor CI (facebook#1868) * Fix AppVeyor CI (facebook#1876) * Run AppVeyor on Visual Studio 2017 * Re-disable babel modules transform (facebook#1894) * Upgrade webpack & related deps * Disable module transform (requires webpack 2+) * Duplicate CLI file warning header * Suggest Yarn in HTML template (facebook#1911) * Fix npm to yarn * yarn & npm * Update index.html * Switch ordering of suggestion We should suggest NPM first for new users. * Note that only jest-enzyme@2.x is compatible * Add sku to the list of alternatives (facebook#1962) * Update information in User Guide for Enzyme dependency (facebook#1982) * Ensure proxy url starts with `http://` or `https://` (facebook#1890) * Add linked modules test (facebook#1913) * Start the dev server at the specified host (facebook#1301) Pass the host from environment variable as argument of the devServer's listen function instead of a field of options object. Set the default host to 0.0.0.0 instead of localhost. * Add folder structure docs for new contributors (facebook#1991) * Adding folder structure to help people navigate through project. It helps in resolving issues by providing brief description of each package and its purpose * Removing unnecessary packages from Folder structure heading * Update CONTRIBUTING.md * Relax label rules (facebook#1989) * Update doc server example to work from any directory (facebook#1988) * Node.js serving with absolute path It’s safer to use the absolute path of the directory that you want to serve, in case you run the express app from another directory. * Update README.md * removed options in UglifyJsPlugin which are equal to the defaults (facebook#1993) * removed redundant already default options in UglifyJsPlugin * re-enabled remove comments Uglify option JSDoc-style comments weren't being removed * Resolve localhost when offline on Windows (facebook#1839) * Change proxy localhost to I27.0.0.1 for windows * Update comment * resolve localhost IP with DNS lookup on windows * Fix CI errors * Promisify addWebpackMiddleware * Remove Node 6 syntax * Update addWebpackMiddleware.js * Actually use the resolved proxy * Minify and map css (facebook#2013) Minify and map css * Fix AppVeyor CI (facebook#2010) * Update README.md CSS Preprocessor --> node-sass-chokidar alternative (facebook#1987) * resolves facebook#1986 updates CSS Preprocessor docs to include information on node-sass-chokidar alternative to node-sass * Update README.md * Turn off CSS source maps * Use custom sourcemap file names * Modularize and extract crashOverlay to iframe (facebook#1842) * Modularize and extract crashOverlay to iframe * Do not break words * Disable warning overlay * Use CJS imports * Upgrade webpack deps and use strictExportPresence (facebook#2028) * Fix Netlify heading level. (facebook#2033) * Use prop-types package (facebook#2029) * Update README.md (facebook#2040) * Define dev chunk names (facebook#2050) * Define dev chunk names Fixes facebook#2046 * Add comment * Suggest to create .eslintrc for IDE lint plugins (facebook#2054) * Suggest to create .eslintrc for IDE lint plugins * Update README.md * Update README.md * Update README.md (facebook#2058) * Update README.md * Update README.md * Fix instructions for serving with now (facebook#2052) * Fix instructions for serving with now Not sure if new, but the `--single` flag is now important. * Keep it shorter * Temporarily pin Yarn to fix CI * Fixed documentation link for storybook in README.md (facebook#2081) * Forbid using window properties as global variables (facebook#1840) * Forbid using window properties as global variables * Change globals list to match Standard. * Fix globals * Ignore the yarn cache directory (facebook#2063) * Revert "Forbid using window properties as global variables" (facebook#2099) * Revert "Ignore the yarn cache directory (facebook#2063)" This reverts commit 94149c7. * Revert "Forbid using window properties as global variables (facebook#1840)" This reverts commit 5a7d8e8. * Minor tweaks for crash overlay (facebook#2101) * Bump minimal Node version to 6 (facebook#1897) * Bump minimal Node version to 4.7.0 * Bump minimal Node version to 4.7.0 Modified additional files that needed a bump to 4.7.0 minimum node version * Bump minimal Node version to 4.7.0 Reverse changes to packages/create-react-app/index.js as this file needs to continue to work on Node 0.10+ * Bump minimal node version to 6 * Bump minimal node version to 6 * Bump minimal node version to 6 * Prettify errors and warnings for Webpack 2 (facebook#2113) * Prettify errors and warnings for Webpack 2 * Update formatWebpackMessages.js * Do not parse `.eslintignore` (facebook#2115) * Add `react-error-overlay` package (facebook#2111) * ༼ つ ◕_◕ ༽つ stack-frame-overlay * Fix linting * Remove auto overlay * Fix e2e * Pull in the rest * Appease flow * Correct dep * Remove old repo references * Check flow on test * Test overlay in e2e * Add cross env * Rename package * Make sure it gets built post-install * Update the README * Remove extra builds now that there's a postinstall script * Revert "Remove extra builds now that there's a postinstall script" This reverts commit 8bf601d. * Remove broken script * Fix some dev ergo * Default to 0.0.0.0 (facebook#2117) * Omit ESLint warnings when there are ESLint errors (facebook#2120) * Adds tests for the overlay (facebook#2118) * Add get-source-map tests * Fixtures shouldn't be formatted * Add mapper tests * Add stack-frame tests * Add more util tests * Add unmapper tests * Add parser tests * Switch to snapshots * Snapshot more * disable ignoring unused vars prefixed with _ (facebook#1763) * Bump React in development (facebook#2122) * Make error box messages friendlier (facebook#2123) * Only show first error (facebook#2125) * Fix a bad condition facebook#2123 (comment) * Update Sass docs (facebook#2114) * update readme with fix from facebook#1939 * update with better globbing * added note * updating with a note and reverting previous changes * how about this? * refactor * added note about new files back in after verifying locally * spaces back in, sorry was my editor! * removed note about new files :) * added bullet about new files issue currently open on node-sass * Feature/different env config files facebook#1343 (facebook#1344) * support different env configs. * fomrat code * Hide doc * Slightly rework the PR * Remove .env in default template * Use just one entry in the paths * Unify env.js and loadEnv.js * Oops, forgot these folks * Add note about yarn.lock in CONTRIBUTING.md (facebook#2135) * Add note about yarn.lock in CONTRIBUTING.md * Update CONTRIBUTING.md * Update README.md (facebook#2137) * Improve unmapper file heuristic, add limited warning support, and ignore internal errors (facebook#2128) * Browser sort is not stable * Fix ordering of final message * Register the warning capture * Display only createElement warnings * Use different method name * Fix regression * Ignore errors with only node_module files * Ignore null files, too * Revise count * Revise warning * Update overlay.js * Add support for facebook/react#9679 * Use absolute paths * Trim path if it's absolute * Make sure it's an absolute path * Oops * Tweak for new behavior * Make it safer * More resilient warnings * Prettier output * Fix flow * Skip React frames that are too close (facebook#2143) * Click to view source from error overlay (facebook#2141) * Click to view source * Update package.json * Update package.json * Fix lint * Work around weird inferred name in Chrome * Don't collapse unintentional top-level errors (facebook#2145) * Don't collapse unintentional top-level errors * Linkify internal stack frames too * Add a missing color mapping (facebook#2146) Closes facebook#2127 * Blacklist confusing global variables (facebook#2130) * Blacklist confusing global variables * Blacklist globals * Fix kitchensink test to lint * Edit the list * Use no-restricted globals for this * Temporarily fork detect-port (facebook#2147) * Temporarily fork detect-port * Fix get process id * Use different package * Unnecessary var * Replace prompt function from react-dev-utils with Inquirer.js. (facebook#1772) * Print error messages for editor integration (facebook#2150) * Add custom eslint formatter (facebook#2138) * Add custom eslint formatter * Add formatter docs * Update formatter docs * Slightly tweak it * Update README.md * Fix CI * Tweak error and warning output (facebook#2152) * Tweak error and warning output * Add a colon * Focus on line in eslint messages * Fix CI * [Internal] Warn for missing brackets (facebook#2151) * Warn for missing braces * Overlay, too * Allow custom proxies in development (facebook#1790) * Change proxy handling to allow multiple proxies to be specified in package.json. * Up webpack-dev-server to 2.4.2 Webpack Dev Server version 2.4.2 handles the external websocket upgrade for all proxies * Fix the listen() call * Switch to correct default host * Remove promises and extract to react-dev-utils * oops * Add support for IPv6 hosts * Prefer localhost as an address (facebook#2154) * Show network address on start (facebook#2155) * Show network address on start * Tweak visual representation * Bump webpack packages * Internal Webpack paths should not be clickable * Make error/warning output more useful (facebook#2161) * Fix lint * Fix CI * Update to Jest 19 (facebook#1614) * Upgrade to Jest 19 * Use testMatch * Correct version * Put console.stack() behind a react vendor prefix (facebook#2164) Matches what we did in facebook/react#9679 * Unpin Yarn (facebook#2124) * Unpin Yarn * Try 0.24.2 * Update e2e-simple.sh * ESLint Config: Upgrade eslint-plugin-jsx-a11y and activate more rules. (facebook#2163) * ESLint Config: Upgrade eslint-plugin-jsx-a11y and activate more rules. * Try to fix Lerna * Update README.md * Remove html-has-lang * Update README.md * Removing extra `eslint` rules (facebook#2064) Removing a stylistic lint rule * Support hoisting react-scripts and add require.resolve() to loaders (facebook#2166) * Support hoisting react-scripts * require.resolve() loaders and configs This makes it so that loaders and configs are resolved relative to the config rather than to the app. This seems to make more sense to me. * Support node scripts in BROWSER (facebook#1590) * Support node scripts in BROWSER Modify OpenBrowser.js to run node scripts specified with the BROWSER environment variable . If the value of the BROWSER environment variable ends with '.js' a child process is spawned to execute the script with node.js. Any arguments passed to npm start are also passed to this script, as well as the url where the app is served. The command executed in the child process is: node <pathToScript> [OPTIONS] <url> Update User Guide. * Tweak code style * Pin dep * Comment out 0.10 docs * Enable CSS sourcemaps in production (facebook#2168) * Adding plugin postcss-flexbugs-fixes and flexbox: 'no-2009' to Autoprefixer (facebook#1771) * Adding postcss-flexbugs-fixes Using postcss-flexbugs-fixes to fix all flexbug's issues. * Adding flexbox: 'no-2009' to Autoprefixer It will add flexbox prefixes only for final and IE versions of specification. * Try to fix CI * Try again * Only run tests in <rootDir>/src (facebook#544) (facebook#1808) * Only run tests in <rootDir>/src (facebook#544) * updates Jest to 19.0.2 * removes testPathIgnorePatterns from jest config * adds testMatch to jest config to only match files in src * Bump babel-jest to 19.0.0 to match jest 19.0.2 * Bump dependencies (facebook#2170) * Bump dependencies * Bump CSS deps * Somehow I missed dotenv * Bump ESLint deps * Tweak ESLint rules * react-dev-utils/openBrowser now supports urls with 2+ params (facebook#2076) * react-dev-utils/openBrowser now supports urls with 2+ params Fixed facebook#2047 * react-dev-utils/openBrowser: encode url before open the browser * Jest 20 (facebook#2171) * Make coverage and snapshot Jest options overridable in package.json (facebook#1830) * Override Jest config collectCoverageFrom with package.json * Protect against overriding other options * Better error message * Create Jest config early on eject * Tweak wording * Dry it up * Bump versions * Resolve regenerator runtime relative to react-scripts (facebook#2175) * Fix Flow hopefully * Disable require.ensure() warning (facebook#2177) * Reenable require.ensure() * Tweak colors for better contrast on Windows (facebook#2180) * Handle errors from port detector (facebook#2182) * Tweak lint rules (facebook#2186) * Ignore Moment.js locales by default (facebook#2187) * Ignore Moment.js locales by default * Update README.md * Disable Yarn on CI temporarily * Add module scope plugin (facebook#2189) * Add module scope plugin * Oops * Add comments * Check windows seps too * More descriptive error * Document it * Webpack config typo (facebook#2193) * Webpack config typo * Webpack config more typo * PWA-ification, via SWPrecacheWebpackPlugin + manifest.json (facebook#1728) * sw-precache-webpack-plugin, SW registration, manifest.json * Documentation + a few SW tweaks. * Added an unregister method, too, just in case. * More info for the READMEs. * Add minify to SWPrecacheWebpackPlugin config * Fix SWPrecacheWebpackPlugin typo * Fix file references in READMEmd * Add instructions for testing service-worker locally * Review feedback * Some additional PWA metadata * Use sw-precache-webpack-plugin v0.9.1 for node >=4.0.0 support * Review feedback. * Add manifest.json context in a comment. * Fix typo * Downgrade to sw-precache-webpack-plugin 0.9.1 * Hide changes in README until 1.0 * Hide changes in User Guide until 1.0 * Hide more docs * Tidy up some build logs (facebook#2197) * Bump Jest to 20.0.3 (facebook#2196) * Test module scoping (facebook#2198) * Correct readme * Add tests * Update README.md * Disable Uglify reduce_vars (facebook#2200) * Tweaking error overlay styles (facebook#2201) * Tweaked overlay styles * Tweaked pre-style * Clicked to background overlay dismiss * Tidied up styles tobe more mobile Safari friendly * Re-enabled pre-wrap * Margin fixes * Base font-size 10 -> 11px * Error overlay is full-screen now based on feedback * Make "N errors on the page" visible again * Fix bottom margin of frame location and lack of tab nav * Add tooltip to close button * Bring compile error styles closer to runtime overlay * s/when/if/ * Refactor and improve build output (facebook#2202) * Tweaked error overlay styles (pt2) (facebook#2208) * Fixed several of the issues and nits from PR: * Moved margin between header and file name to header, so when content was scrolled, the header would remain more separate * Made build-time and runtime overlays better match * Secondary error <pre> style now uses yellow bg instead of red * 'Scrollable Header' (see above comment to why this is necessary) but I did increase the max-height from 35% to 50%. * Fixed header and 'X' button vertical alignment * Temporary stack margin fix * Move "N errors" to the top * Move more logic from react-scripts to react-dev-utils (facebook#2209) * Show warnings for builds * Move WebpackDevServer helpers into react-dev-utils * Fix vertical alignment of close button * Cleaned up next/prev error arrow styles; arrows wrap around when clicked now (facebook#2210) * Add temporary support for Node 4.x to global CLI (facebook#2214) * Replace text-align: start with left to fix Edge (facebook#2215) * ES6 syntax (facebook#2213) * Move error overlay middleware (facebook#2216) * "rule keywords" => "keywords" * Improve interaction between compile and runtime overlays (facebook#2219) * Better document PWA stuff * Enable 1.0 docs (facebook#2220) * Uncomment merged PRs * Switch to br * Update some webpack links * Add a little about section for PWA * oops * fast on subsequent visits * Add manual proxy config instructions * hint package.json * Change to js for comments * Tune wording * Add documentation about using code splitting (facebook#1801) * Add documentation about using code splitting * Revise docs a bit * Update README.md * Update README.md * Update README.md * Swap changelogs (facebook#2222) * Swap changelogs * Update and rename CHANGELOG.md to CHANGELOG-0.x.md * Update and rename CHANGELOG-1.x.md to CHANGELOG.md * Update CHANGELOG.md * Publish - babel-preset-react-app@3.0.0 - create-react-app@1.3.1 - eslint-config-react-app@1.0.0 - react-dev-utils@1.0.0 - react-error-overlay@1.0.0 - react-scripts@1.0.0 * Update CHANGELOG.md * March -> May * Fix shortcut handling in react-error-overlay (facebook#2238) * Add explicit package dependence (facebook#2243) Closes facebook#2232 * Fix read of .env variables (facebook#2242) * Gracefully shut down the server on signals (facebook#2246) * Shame on me * Correct docs on which .env.* files are supported. (facebook#2247) * Correct which .env. files are referenced in docs * Highlight this is not available until 1.0.0 * Formatting * Update README.md * Update README.md * Hide React Storybook from the User Guide while it's incompatible (facebook#2252) * Hide React Storybook from the User Guide while it's incompatible * Update README.md * Show customized build path for serve instruction (facebook#2229) * Show customized build path for serve instruction * Remove cyan * Ignore .env.local in test environment (facebook#2250) * add noscript to template's index.html (facebook#2224) * add noscript to template's index.html * Tweak message * Work around Windows path issue in SWPrecacheWebpackPlugin (facebook#2255) * Turn off operator-assignment stylistic rule (facebook#2256) * update readme with example of include path (facebook#2258) * update readme with example of include path * Update README.md * update reference with new name (facebook#2259) s/adding-images-and-fonts/adding-images-fonts-and-files/ * Additional fix to service worker config for "homepage" field (facebook#2262) * Always resolve NODE_PATH (facebook#2261) * Always resolve NODE_PATH * Update env.js * Fix a bug on empty NODE_PATH (facebook#2264) * Shut down server silently, as it is too noisy * Add changelog for 1.0.1 (facebook#2266) * Publish - eslint-config-react-app@1.0.1 - react-dev-utils@1.0.1 - react-error-overlay@1.0.1 - react-scripts@1.0.1 * Fix missing dependency (facebook#2269) * Adding missing dependency * Pinning text-table dependency * Describe build in less fluffy terms * Update README.md * Update README.md * Update CHANGELOG.md * Add WSL support to launchEditor utility (facebook#2282) * Only enable host check if you use proxy, and add a way to opt out of it (facebook#2288) * Disable host check if you don't use proxy * Add a way to opt out and document it * Ejecting should ensure you have clean git status (facebook#2221) * Ejecting should ensure you have clean git status * Rename function * Style * Minor changes - extract function - exclude error output for missing git - more descriptive error message - no need to mutate answer - fix answering "no" to return 0 exit code * Add missing license headers * Wrap console calls into a check (facebook#2290) * Provide a no-op SW that will be served by the dev environment. (facebook#2276) * Provide a no-op SW that will be served by the dev environment. * Hide no-op service worker from user * Remove unnecessary dependencies(facebook#751) (facebook#2283) * Remove unnecessary dependencies(facebook#751) * Sort alphabetically * Add changelog for 1.0.2 (facebook#2291) * Publish - react-dev-utils@1.0.2 - react-error-overlay@1.0.2 - react-scripts@1.0.2 * Roll back to an older version of case-sensitive-paths-webpack-plugin (facebook#2314) * Wrap console calls into a check (facebook#2301) * Wrap console calls into a check * Add another check * Remove `flowtype/require-valid-file-annotation` temporarily. (facebook#2311) Until this issue (gajus/eslint-plugin-flowtype#165) is fixed we're disabling `flowtype/require-valid-file-annotation`. * Ensure address is private (facebook#2297) * Ensure address is private Resolves facebook#2296 * adjust rule * Update WebpackDevServerUtils.js * Changelog for 1.0.3 (facebook#2315) * Publish - eslint-config-react-app@1.0.2 - react-dev-utils@1.0.3 - react-error-overlay@1.0.3 - react-scripts@1.0.3 * Remove tarec from README (facebook#2323) I no longer support this package. Create-react-app is so great I can no longer call tarec a credible alternative 😄 * 1.0.4 changelog * Publish - react-error-overlay@1.0.4 - react-scripts@1.0.4 * Remove connect-history-api-fallback and cross-spawn dependencies from react-scripts (facebook#751) (facebook#2320) * Allow declaring variables before use in a scope above (facebook#2325) * Limit console warnings to 5 files at most (facebook#2327) * Files in public/ folder should not be requested through proxy (facebook#2326) * Add changelog for 1.0.5 (facebook#2329) * Add "Migrating" section * Publish - eslint-config-react-app@1.0.3 - react-dev-utils@2.0.0 - react-error-overlay@1.0.5 - react-scripts@1.0.5 * Add missing files to README (facebook#2334) * add missing files * Update README.md * Update CHANGELOG.md * Don't resolve localhost if on network (facebook#2332) * Don't resolve if on network * Update WebpackDevServerUtils.js * Resolve flow errors in eslint JSX a11y (facebook#2346) * Upgraded eslint-plugin-jsx-a11y to 5.0.3 to take advantage of d70ac7d7975819e7a52b85465ec67a0d93eb962a * Add navigateFallbackWhitelist /__* to SW Precache config (facebook#2347) * Add navigateFallbackWhitelist /__* to SW Precache config * Add comments * Add changelog for 1.0.6 (facebook#2348) * Publish - eslint-config-react-app@1.0.4 - react-dev-utils@2.0.1 - react-error-overlay@1.0.6 - react-scripts@1.0.6 * Update webpack to v2.6.0 in react-scripts (facebook#2349) * Fix broken links (facebook#2350) * Print file sizes with correct build folder path. (facebook#2361) * Print file sizes with correct build folder path. * Just use the print the basename. * Update README.md for `now` deployments (facebook#2372) Simplified steps for deploying app to `now` as a static site. No need to `serve` script in `package.json` file. As of May 15, 2017, all static deployments on `now` are free and unlimited. * Removed the overriding of reduce_vars to false since webpack v2.6.0 included the fixed for Uglify bug (facebook#2351) * Disable comparisons feature in uglify compression in production (facebook#2379) * Disable a micro-option in uglify that appears to be buggy See facebook#2376 * wrong plugin * Add a comment * Consistently set environment variables (facebook#2382) * Update webpack to 2.6.1 (facebook#2383) * Add changelog for 1.0.7 (facebook#2384) * Publish - react-dev-utils@3.0.0 - react-error-overlay@1.0.7 - react-scripts@1.0.7 * Bump beta version * Fix deploy script env vars * Bump react-scripts beta version * Fix Sass transforms and module mapping in the Jest config * Update babel-preset-trunkclub beta version; add code coverage to tests * Update Flow dependency, remove old devDeps, bump beta version * Update the v8 upgrade docs * Update Jest config * Run prettier on build-module script before merging TC upstream * Update upgrade docs * Release v9.0.0

taykcrane · 2017-08-21T16:17:31Z

For any newbies running into this bug, I fixed it by downgrading NPM to the LTS (latest stable version) of 6.11.2.

davidcalhoun · 2017-12-19T22:17:56Z

Had a similar issue using npm to install. Fixed by removing both npm-modules and package-lock.json (a variant of @gaearon's comment above)

shiziChing · 2018-02-07T08:01:17Z

说中文撒大佬们

Timer mentioned this issue Mar 9, 2017

yarnpkg start fails with two warnings #1775

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Timer added the tag: underlying tools label Mar 9, 2017

Timer added this to the 0.9.5 milestone Mar 9, 2017

gaearon changed the title ~~UnhandledPromiseRejectionWarning in Windows 10~~ UnhandledPromiseRejectionWarning on Node 7.7.2 Mar 9, 2017

gaearon mentioned this issue Mar 9, 2017

NPM Start hangs with Node 7.72 #1781

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gaearon added the issue: bug label Mar 9, 2017

vhain mentioned this issue Mar 9, 2017

Upgrade Node to 7.7.2 prevents react-scripts from running #1782

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ryanwalters mentioned this issue Mar 9, 2017

Run CI on Node 7; Bump detect-port: 1.0.1 -> 1.1.0 (#1776) #1783

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gaearon pushed a commit that referenced this issue Mar 9, 2017

Run CI on Node 7; Bump detect-port: 1.0.1 -> 1.1.0 (#1776) (#1783)

0c0c5c1

* Run CI on Node 7 * Bump detect-port: 1.0.1 -> 1.1.0 * Run AppVeyor CI on Node 7

gaearon pushed a commit that referenced this issue Mar 9, 2017

Run CI on Node 7; Bump detect-port: 1.0.1 -> 1.1.0 (#1776) (#1783)

67d0403

* Run CI on Node 7 * Bump detect-port: 1.0.1 -> 1.1.0 * Run AppVeyor CI on Node 7

gaearon closed this as completed Mar 9, 2017

marktani mentioned this issue Mar 10, 2017

Promise rejections upon starting first exercise learnapollo/pokedex-react#9

Closed

karlhorky mentioned this issue Apr 2, 2017

Improve readme and fix dependencies cg50x/invoice-generator#1

Merged

marktani mentioned this issue Apr 13, 2017

UnhandledPromiseRejectionWarning when yarn/npm start learnapollo/pokedex-react#10

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scottdixon-zz pushed a commit to scottdixon-zz/react-router-firebase-auth that referenced this issue Apr 17, 2017

Update react-scripts to 0.9.5

f8da161

Resolves issue running this repo on Node 7.7.2. More info: facebook/create-react-app#1776

scottdixon-zz mentioned this issue Apr 17, 2017

Update react-scripts to 0.9.5 tylermcginnis/react-router-firebase-auth#23

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sbuzonas pushed a commit to sbuzonas/react-scripts that referenced this issue May 5, 2017

Run CI on Node 7; Bump detect-port: 1.0.1 -> 1.1.0 (facebook#1776) (f…

33721da

…acebook#1783) * Run CI on Node 7 * Bump detect-port: 1.0.1 -> 1.1.0 * Run AppVeyor CI on Node 7

randycoulman pushed a commit to CodingZeal/create-react-app that referenced this issue May 8, 2017

Run CI on Node 7; Bump detect-port: 1.0.1 -> 1.1.0 (facebook#1776) (f…

6812822

…acebook#1783) * Run CI on Node 7 * Bump detect-port: 1.0.1 -> 1.1.0 * Run AppVeyor CI on Node 7

amira-s added a commit to amira-s/react-exam that referenced this issue May 31, 2017

[chore]: upgrade react-scripts to latest

f66e92f

Fixes facebook/create-react-app#1776

apackin mentioned this issue Jun 24, 2017

Cannot run truffle-box/react-auth-box#4

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UnhandledPromiseRejectionWarning on Node 7.7.2 #1776

UnhandledPromiseRejectionWarning on Node 7.7.2 #1776

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UnhandledPromiseRejectionWarning on Node 7.7.2 #1776

UnhandledPromiseRejectionWarning on Node 7.7.2 #1776

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