Nov 15, 2016 · yarn: run command is not mandatory to execute user defined scripts. start command is not a user defined script name, so you may not need to specify run command to execute it. So, all the below commands work similar! npm start; npm run start; yarn start; yarn run start; If you have a user defined script named 'app': npm app (Does not work!) npm ...

Mar 24, 2022 · The same thing is done using yarn via simply yarn start. In the linked repo, there isn't a start script in the package.json, rather a watch script, so you should be able to run it with the below steps: yarn to install dependencies after cloning the repo to local (similar to npm install) yarn watch to start the webpack server (analogous to npm ...

Feb 26, 2015 · In order to run a specific test, you'll need to use the jest command. npm test will not work. To access jest directly on the command line, install it via npm i -g jest-cli or yarn global add jest-cli. Then simply run your specific test with jest bar.spec.js. Note: You don't have to enter the full path to your test file. The argument is ...

Oct 26, 2017 · In general, yarn run ... does not support passing arbitrary arguments to NodeJS. However, the --inspect flag is an exception depending on your version of Yarn. As of March 2022, recent versions of Yarn support both --inspect and --inspect-brk arguments for the yarn run command. The answer to your questions is now "yes", and the following will work:

Jun 13, 2018 · Yarn's run only supports appending your args to the end of the command chain, and at least as of date 2018-06-14, there isn't a way to override that. When I've needed this in the past, I've cooked up my own dev.js script that was called by my package.json , and pulled args out environment variables.

Nov 18, 2019 · To run the local server for development I normally use yarn run dev. But it seems yarn dev provides same function. Is this command just a short alias for yarn run dev? I couldn't find info for yarn dev in documents.

Sep 3, 2018 · # Install plugin: yarn plugin import workspace-tools # Run script start:dev on all of the packages in parallel yarn workspaces foreach -p -v -i run start -p : Run the commands in parallel -v : Prefix each output line with the name of the originating workspace

Sep 8, 2019 · To run app without defining environment variable, I run following yarn command. yarn start:dev. This command works successfully in Linux shell and Windows command line. Now, I want to pass environment variable. I tried following, PORT=2344 yarn start:dev. This commands works successfully in Linux shell but failing in Windows command line.

Feb 14, 2019 · yarn build works perfectly fine just like yarn run build, same is with yarn dev that also works fine just like yarn run dev, Although this is not mentioned at any place but they just works. – Ansub

Watch Usage › Press a to run all tests. › Press f to run only failed tests. › Press p to filter by a filename regex pattern. › Press t to filter by a test name regex pattern. › Press q to quit watch mode. › Press Enter to trigger a test run. I tried running yarn test a to run all the tests. But once the tests have completed ...