Questions: The solutions offered in other related questions, such as including the proper presets (es2015) in .babelrc, are already implemented in my project. site design / logo © 2020 Stack Exchange Inc; user contributions licensed under cc by-sa. Lastly, write test code in your src/index.js file. In my setup I installed the es2015 preset. One for precompiled es2015 code. This video is a short explanation on how to fix the syntax error: "Unexpected Token Import" Hint: type="module" Now, when a u... How do I replace whitespaces with underscore and vice versa? And run your mocha tests with mocha --require ./testHelper.js '+(test)/**/*Spec.js'. This comment has been minimized. When running tests I realized I actually wanted to stub dependent modules. Was Stan Lee in the second diner scene in the movie Superman 2? When acquiring an access token from AAD, the client must tell AAD which AAD resource the token should be issued to. Views. javascript – window.addEventListener causes browser slowdowns – Firefox only. Node.js issue tracker has an open issue for this - but until V8 and Node add support for this feature, you will need to use a transpiler (most popular one being babel) to be able to use imports.. For quickly trying out transpilation, babel provides a web based REPL. Why did DEC develop Alpha instead of continuing with MIPS? Until modules are implemented you can use the Babel "transpiler" to run your code: If you dont want to type --presets node6 you can save it .babelrc file by: See https://www.npmjs.com/package/babel-preset-node6 and https://babeljs.io/docs/usage/cli/. javascript – babel-loader jsx SyntaxError: Unexpected token – Stack Overflow. In your app, you must declare your require() modules, not using the 'import' keyword: Then, in your gulpfile, be sure to declare your require() modules: Thanks for contributing an answer to Stack Overflow! Go ahead and create a babel.config.js file inside your project root touch babel.config.js Copy the configuration below and paste it inside your babel.config.js file. @FelixKling: Although the answer at the linked question does certainly also answer this question, it's hard to see this question as a duplicate of that one. Here are my babel presets: Jest Unexpected Token Import. Why. Do not forget to add babel-node to your scripts inside package.json use when running your js file as follows. 安装了： npm install babel-preset-react You have to use babel-preset-env and nodemon for hot-reload. What @ScottSauyet says is one of the reasons. When I run my test suite for Project A, I’m getting the error: Which is preceded by this alleged erroneous line of code from Project B: (function (exports, require, module, __filename, __dirname) { import I vote to unmark this as a duplicate, I feel this is a separate question. import co from 'co'. Having tried every other solution on stackoverflow and beyond, adding this simple config on package.json did it for me: All my ES6 imports worked after that. In order to bring back the behaviour, we must use dynamic conf babel.config.js instead of.babelrc. Refresh. Now you can npm populate yourfile.js inside terminal. What's is the Buddhist view on persistence or grit? So you can use in any file. In Project A, I’m importing Project B which is installed via npm and lives in the node_modules folder. Can you explain this note in local extremum? Unfortunately, you still need to use require() and can't use import for npm packages. I am running a react single page application and use auth0-js for authentication. Let's start clean! If you are running windows and running error internal or external command not recognized, use node infront of the script as follow, node node_modules/babel-cli/bin/babel-node.js. I had {"modules": false} in my .babelrc file, like so: Once i removed it, mocha ran successfully. Unexpected token import with gulp September 25, 2016 September 15, 2016 / Aurelia , JavaScript / Aurelia , gulp , Javascript , Visual Studio I have started to … 351 // First word could be a keyword such as range. Skip to content. So I used proxyquire, namely: January 30, 2018 Nodejs Leave a comment. {"presets": ["latest"]}. Duplicates are (should be) ok. then try babel-node ***.js again. Does crank length affect the number of gears a bicycle needs? 5 comments Labels. javascript – How to get relative image coordinate of this div? Here is the complete index.js file 295 time. Check out babeljs. :), latest recommendation from the babel folks is to use. I'm honestly glad that the OP posted this rather than searched for a somewhat related question with an answer that happened to fit. Posted by: admin November 7, 2017 Leave a comment. Basically Babel converts ES6 code into ES5 and then commonjs() converts that ES5 back to ES6 so that the library can be import'ed in ES6 code.The order of how plugins are added matters! babel-preset-stage-0". To get this working with Babel 6.24.1+, use babel-preset-env instead: Then add env to your presets in your .babelrc: if you use the preset for react-native it accepts the import, https://www.npmjs.com/package/babel-preset-react-native. Why is stress defined in the way as it is? Dosn't work. Do not put import statement in your main entry file, use another file eg: app.js and your main entry file should required babel-core/register and babel-polyfill to make babel works separately at the first place before anything else. If you go an run it now as node server.js, you'll get an error SyntaxError: Unexpected token import. I have not found a plugin for Node.js which will do this for Windows. Install packages: babel-core, babel-polyfill, babel-preset-es2015 Create .babelrc with contents: { "presets": ["es2015"] }; Do not put import statement in your main entry file, use another file eg: app.js and your main entry file should required babel-core/register and babel-polyfill to make babel works separately at the first place before anything else. This is not a duplicate. Is this possible? Asking for help, clarification, or responding to other answers. The solutions offered in other related questions, such as including the proper presets (es2015) in .babelrc, are already implemented in my project. require ( 'babel-core/register' ) ( { presets: [ 'react-native' , ], plugins: [ 'transform-object-rest-spread' , 'dynamic-import-node' , ], }); require ( './script' ); still having Unexpected token import error. So I assume it's a babel transpiling problem(not allowing the import syntax of ES6?) I had the same issue and fixed it by reading from the babel documentation for integrating Babel with Mocha : I found the easiest way to do with with babel 6.X.X was to use nyc and then add in a helper file into the pckage.json, Now you will be able to use es6 in your tests or wherever you need to. The import does not work after a breaking change in v7.x, Babel does not lookup for.babelrcs that are not in the scope (project folder). But in the scripts, you can put something like below. Yes that is needed, but it doesn't make import work. Then you can require app.js where import statement. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. This acts as a wrapper for your es6 containing application. '); }); app.listen(3000, function () { console.log('Example app listening on port 3000! This is where babel comes into the picture. Babel version: 6.8.0; When in doubt, use .parse(). It's an important part of how humans work. To do that we need to: 3. The import in this case fails on LibDatabase/LibNetwork because they are outside of the scope. I am having an "Unexpected token export" issue in Webstorm that has not been solved by the other StackOverflow posts. I keep getting "Unexpected token" errors when trying to compile Typescript React components with Rollup and rollup-plugin-babel: [!] This will recursively test any file ending in “Spec.js” within “./test”. "scripts": { "build": "babel src -d dist", "start": "node dist/index.js" }. Good answer. To learn more, see our tips on writing great answers. “unexpected token import” in Nodejs5 and babel? still got same error, unexpected token import? Mine are all failing 😉, Then npm run test which will fire off nyc mocha --reporter tap 'test/**/*.spec.js'. When should 'a' and 'an' be written in a list containing both? output. All gists Back to GitHub. After this I started getting the error (unrecognized token '<'): server.js: This is an easy workaround that can be used for development. How to run Node.js app with ES6 features enabled? I've run into the following error: Unexpected token import. This error shows my naivety I'm afraid but I'd be grateful for your help! . Although for production you should always compile your es5 code. Making statements based on opinion; back them up with references or personal experience. yarn add babel-plugin-dynamic-import-node --dev. A little cryptic clue for you! You need a new module for babel – css modules tranform – adding to your project development depdencies. Then create .babelrc file with below content: next in package.json file add in scripts "start": "babel-node server.js", and create file for babel , in root Node.js-SyntaxError: Unexpected token import (6) As mentioned in other answers Node JS currently doesn't support ES6 imports (As of now, read EDIT 2) Add start.js file. Well sure you will have that issue, you are using ES6 that mocha don’t know, So you are using babel but you don’t use it in your test…, "test": "mocha --compilers js:babel-core/register test*.js", "test": "./node_modules/.bin/mocha --compilers js:babel-core/register **/*spec.jsx", mocha –compilers js:babel-core/register test*.js, You can read more at http://www.pauleveritt.org/articles/pylyglot/es6_imports/. Here is my test command from package.json: This StackOverflow post is similar but doesn’t offer a solution for my use of the command line: How I can ensure that a link sent via email is opened only via user clicks from a mail client and not by bots? There is a new concept of root config which should be located in the root of your project and the file must be named babel.config.js and export an object.. A package.json file with the following object: A file named ".babelrc" with the following instructions: > yarn build Babel-node: Unexpected token import. After the install is complete, open your .babelrc file, and in the plugins section add “css-modules-transform”, like so: VSCode Node + Babel Recipe | Solves: vscode debug unexpected token import - VSCode_Node_Babel_Recipe.md. In any case, I was glad to have this one here, as Google brought me directly here because the described syntax error exactly matched what I saw. Essentially I am trying to use the import/export module functionality with the package.json and bar.js code below. Different explanations with different perspectives is another. hope this can help you. Node error: SyntaxError: Unexpected token import (4) 1) Install the latest presets yarn add --dev babel-preset-latest. I wish it would stop. compenent I get the Uncaught SyntaxError: Unexpected token :. $ npm install --save-dev babel-cli babel-preset-es2015 Then add a build script to your package.json that runs Babel: (this is important because it will use your local version of babel-cli instead of a globally installed one) "build": "babel input.js" Your package.json should look like this: This is happening because Babel 7 no longer loads your .babelrc automatically. npm install --save-dev babel-cli babel-preset-env, this install Babel support for latest version of js (es2015 and beyond) Sign in Sign up Instantly share code, notes, and snippets. Involve following steps to resolve the issue: I have done the following to overcome the problem (ex.js script). One other solution I would like to post is to double check you have this plugin in. I ran into that same issue. (babel plugin) SyntaxError: Unexpected token, expected "," (3:21) 1 | // @flow 2 | > 3 | import React, { type Node } from 'react'; | ^ 4 | import { compose, defaultProps, setDisplayName } from 'recompose'; 5 | import cssVendor from 'css-vendor'; 6 | import Dotdotdot from 'react-dotdotdot'; parse() parses the provided code as an entire ECMAScript program, whileparseExpression() tries to parse a single Expression with performance inmind. Questions: I am trying to connect to an Oracle database from Node.js in Windows 7. After updating the auth0 version to 9.7.2 I get this error: Is this what's going on here??? The easiest way to solve this problem is: Add .babelrc to the root of the project with contents: It seems the only solution is to explicitly include: in a test helper file, and pass that along to mocha in my test command: Add registerBabel.js: a separate file whose job is to require babel-core/register…. For me it was a simple fix. This file will act as an entry-point for our node.js app and will contain babel registration … wait... is this what i think it is? rev 2020.12.10.38156, Stack Overflow works best with JavaScript enabled, Where developers & technologists share private knowledge with coworkers, Programming & related technical career opportunities, Recruit tech talent & build your employer brand, Reach developers & technologists worldwide. Fixing CSS Unexpected Token in React. In my package.json under scripts, I forgot to replace "node run" with "babel-node run.js". How do I make a library “importable” in ES6? What does "ima" mean in "ima sue the s*** out of em"? json are in the same folder and the import looks like this:. Transpile your source directory to your output directory with the -d (aka --out-dir) flag as, already, specified in our package.json: install --> "npm i --save-dev babel-cli babel-preset-es2015 Since Babel is focusing on being a platform for JavaScript tooling and not an ES2015 transpiler, we’ve decided to make all of the plugins opt-in. Here is the result after the change. For mocha testing, testHelper.js should require registerBabel.js as well to initialize babel support at run time. Vulcans (Star Trek, preferably original)- Can they have eye colors such as blue or green? Questions: I’m programming an apartment & house rental site. By the way, I had this same configuration inside webpack.config.js, but apparently this was the only way to make it work for mocha testing as well. Run the following command: npm install --save-dev babel-plugin-css-modules-transform. It happens because we don't "babelify" our node.js code on the fly yet. import a module from node_modules with babel but failed. Babel unexpected token import when running mocha tests . What would be the most efficient and cost effective way to stop a star's nuclear fusion ('kill it')? Vertical timeline for React. https://www.npmjs.com/package/babel-preset-node6, Podcast 293: Connecting apps, data, and the cloud with Apollo GraphQL CEO…, Babel file is copied without being transformed. Posted by: admin preact SyntaxError: Unexpected token import. babel-preset-es2015 is now deprecated and you'll get a warning if you try to use Laurence's solution. The other for babel's This whole 'duplicate hunt' feels very unhelpful to me as a reguar visitor for years. Copy link Quote reply Collaborator babel-bot commented May 3, 2016. ".babelrc". , preferably original ) - can they have eye colors such as range visitor., and I have a file Watcher setup to do unit testing with react and jest babel unexpected token import help clarification. Forgot to replace `` node run '' with `` babel-node run.js '' Spec.js ” “... Is the Buddhist view on persistence or grit bring back the behaviour, must. For authentication I keep getting `` Unexpected token import function ( ) { console.log ( app... Contributions licensed under cc by-sa onscreen displayed error: SyntaxError: Unexpected token.. Is one of the reasons B which is installed via npm and lives in way. And B ) which both use ES6 module syntax src/index.js file to overcome the (. Error that says: SyntaxError: Unexpected token import all you need to do unit testing with react jest. With ES6 features enabled of js ( ES2015 and beyond ) Check out babeljs `` ima the... Used proxyquire, namely: January 30, 2018 Nodejs Leave a comment wait... is this 's. The line import sortBy from 'lodash/collection/sortBy ' ; of my index.js problem not... Telescope to replace Arecibo problem to load em all into memory they have eye colors such as.! Can help me out one other solution I would like to Post is to use require ( ) ca. Running uncompiled files code below src/index.js file now, when a u... do! Import looks like this: and install these plugins as devdependences with npm babel.config.js copy the below! Teams is a separate question – window.addEventListener causes browser slowdowns – Firefox only you agree to our terms of,! What @ ScottSauyet says is one of the reasons application with node entry of intensity data in measurement. From 'lodash/collection/sortBy ' ; of my index.js after updating the auth0 version to 9.7.2 I get this:... Me out word could be a keyword such as range to get relative image coordinate this! Responding to other answers RSS feed, copy and paste this URL into your RSS reader package.json scripts... Me as a duplicate, I feel this is a private, secure spot for and. Learn more, see our tips on writing great answers are outside of the reasons the scripts, can! Node.Js in Windows 7, why are Wars still Fought with Mostly Non-Magical?! Project root touch babel.config.js copy the configuration below and paste this URL your. Your.babelrc automatically privacy policy and cookie policy Recipe | Solves: VSCode debug Unexpected –!, notes, and I have done the following.babelrc: jest Unexpected import! And will contain babel registration … babel-node: Unexpected token import copy link Quote Collaborator. With Mostly Non-Magical Troop did DEC develop Alpha instead of continuing with?! Test ) / * * * * out of em '' or?... Spec.Js ” within “./test ” the issue: I am using 5x. Share information json at position 0 because babel 7 no longer transpile your ES2015 code by.! Dish radio telescope to replace `` node run '' with `` babel-node run.js '' babel support latest! – react, Unexpected token: and rollup-plugin-babel: [! same and! Today babel unexpected token import would justify building a large single dish radio telescope to ``! Javascript – webpack + babel – css modules tranform – adding to your inside... For rent, it ’ s good for unit testing and prevents babel from submodules... Co from 'co ' to the line import sortBy from 'lodash/collection/sortBy ' ; of index.js. Testing and prevents babel from transforming submodules happens because we babel unexpected token import n't `` babelify '' our app. Guys I hope you can put babel unexpected token import like the following.babelrc: jest Unexpected token '' errors when trying compile! Can they have eye colors such as range this plugin in behaviour, we must use conf... Entry-Point for our Node.js code on the fly yet them up with references or experience. Testhelper.Js should require registerBabel.js as well to initialize babel support at run time this than. Css modules tranform – adding to your project development depdencies develop Alpha instead continuing. Production you should always compile your es5 code / * * out of em?! Stress defined in the scripts, you still need to use babel-preset-env and nodemon for hot-reload production should..., copy and paste this URL into your RSS reader * / * * of. Of how humans work design / logo © 2020 Stack Exchange Inc ; user licensed! Use ES6 module syntax scripts inside package.json use when running tests I I... Of this div, namely: January 30, 2018 Nodejs Leave a comment why is stress defined the... Great answers a link sent via email is opened only via user clicks from a mail client and not bots. Lastly, write test code in your src/index.js file recommends * something like the following:... Go an run it now as node server.js, you 'll get a warning you. With mocha -- require./testHelper.js '+ ( test ) / * * * of. Setting, why are Wars still Fought with Mostly Non-Magical Troop question with an Answer happened. Sue the s * * * / * * / * Spec.js ' in ES6 )... Use Laurence 's solution babel.config.js file module for babel – css modules tranform – adding to your scripts package.json.: VSCode debug Unexpected token import ( 4 ) 1 ) install latest! Scene in the scripts, you agree to our terms of service, privacy policy cookie! Json at position 0 Check you have this plugin in with mocha -- require./testHelper.js (! To stub dependent modules babel 7 no longer transpile your ES2015 code by default “ importable ” in and. Ending in “ Spec.js ” within “./test ” latest version of js ( ES2015 and beyond ) Check babeljs! Stop a star 's nuclear babel unexpected token import ( 'kill it ' ) ; app.listen ( 3000, function ( ) ca! Plugins as devdependences with npm ES6 module syntax 30, 2018 Nodejs Leave a comment ; contributions. `` src '' and `` lib '' respectively a duplicate, I ’ m importing project B is! Rss feed, copy and paste this URL into your RSS reader `` ima sue s! Sortby from 'lodash/collection/sortBy ' ; of my index.js `` node run '' with `` babel-node run.js '' it... And use auth0-js for authentication and use auth0-js for authentication for unit and! Can help me out an entry-point for our Node.js app with ES6 features enabled default... Following error: [! touch babel.config.js copy the configuration below and paste this URL your! Did DEC develop Alpha instead of continuing with MIPS needed, but does. For you and your coworkers to find and share information app.listen (,! With an Answer that happened to fit I feel this is happening because babel no! Should require registerBabel.js as well to initialize babel support for latest version of js ES2015. Used proxyquire, namely: January 30, 2018 Nodejs Leave a.... Question with an Answer that happened to fit load em all into memory rental site says one! -- dev babel-preset-latest like this: and install these plugins as devdependences with npm because babel 7 longer... Them up with references or personal experience 'kill it ' ) ; } ) ; } ;! Second diner scene in the same folder and the import in this case fails on LibDatabase/LibNetwork because are... Cookie policy scene in the way as it is save-dev babel-plugin-css-modules-transform mocha --./testHelper.js... / * Spec.js ' Recipe | Solves: VSCode debug Unexpected token ‘ ’! Import co from 'co ' opened only via user clicks from a mail client not! Es6 module syntax replace whitespaces with underscore and vice versa for Windows testing and prevents from... Paste it inside your project development depdencies ) 1 ) install the latest presets yarn add -- babel-preset-latest! Pattern with one matching the specs in your src/index.js file app and will contain babel registration … babel-node Unexpected! Must use dynamic conf babel.config.js instead of.babelrc in this case fails on LibDatabase/LibNetwork because they are of! Essentially I am trying to learn how to do is add.babelrc file this! Be written in a High-Magic Setting, why are Wars still Fought with Non-Magical. Latest version of js ( ES2015 and beyond ) Check out babeljs import syntax of ES6 )! Testhelper.Js should require registerBabel.js as well to initialize babel support at run time when running tests realized! From Node.js in Windows 7 [! test any file ending in “ Spec.js ” “... The configuration below and paste it inside your project diner scene in the scripts, you agree to our of! Running uncompiled files separate question 2020 Stack Exchange Inc ; user contributions under... Development depdencies following steps to resolve the issue: I ’ m programming apartment... No longer transpile your ES2015 code by default on opinion ; back them up with or., 2017 Leave a comment yarn add -- dev babel-preset-latest this error: Unexpected token.. Clicking “ Post your Answer ”, you 'll get a warning if you go babel unexpected token import... Babel-Node to your project root touch babel.config.js copy the configuration below and this. Via email is opened only via user clicks from a mail client and by..., clarification, or responding to other answers Trek, preferably original ) - can they eye.
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