TL;DR: In Next.js, next dev is used to run the app in development mode. On the other hand, next start is used to run the app in production mode, but requires next build to be run first to generate an optimized production build. Development When running the Next.js app in development, you’ll want to use … Read more
You have to inform heroku where to start : missing script: start. In your package.json, you should have something like this: “scripts”: { “start”: “node index.js” } Where index.js is your entry point. As an alternative, you can specify in Procfile: web: node index.js
You can try concurrently with wait-on package in order to manage conccurent/sequential scripts and outputs. wait-on sequential launches support head response status, tcp listening, … For example : “scripts”: { “start”: “concurrently -k -n \”DB,API,WEB\” -c \”blue,magenta,yellow\” \”npm run start-db\” \”npm run start-api\” \”npm run start-web\””, “start-db”: “myDbServerCmd”, “start-api”: “wait-on tcp:27017 && myApiServerCmd”, “start-web”: “myFrontServerCmd”, … Read more
I agree with @RobC here. It also disactivated running custom scripts in my package.json completely for me, which obviously is a deal breaker since you can’t define and run your custom scripts anymore. Although it’s probably useful to think about these security concerns, I don’t think running npm config set ignore-scripts true is the right … Read more
This can be achieved by including a couple of additional packages in your project. Additional packages Install http-server: $ npm install http-server –save-dev and concurrently: $ npm install concurrently –save-dev npm scripts Add the following open script to package.json: “scripts”: { “start”: “npm run open”, “open”: “concurrently \”http-server -a localhost -p 1234\” \”open http://localhost:1234/build\”” } … Read more
You can add the environment variable to your .bashrc or other startup shell file. export NPM_TOKEN=my_token_goes_here_foo_bar
There’s an NPM package called run-script-os ( NPM | GitHub ) that doesn’t require you to write any additional files, and this can be convenient if what you’re trying to do is very simple. For example, in your package.json, you might have something like: “scripts”: { “test”: “run-script-os”, “test:darwin:linux”: “export NODE_ENV=test && mocha”, “test:win32”: “SET … Read more
/path/to/file/**/*.js matches any number of directories between /path/to/file/ and /*.js. As opposed to /path/to/file/*/*.js, which matches a single directory between /path/to/file/ and /*.js.
Short Answer: Essentially, what you’re wanting is to have an npm-script something like this, whereby <arg-here> is provide via the CLI; … “scripts”: { “my-build”: “npm run vumper <arg-here> && npm run format”, … }, … However, unfortunately npm does not have a built-in feature to achieve this. The special npm option –, (refer to … Read more
Short answer: There’s no terse way to achieve this that works cross-platform, as per your second example which references the $npm_package_config variable. For a cross-platform solution, i.e. one that works successfully on both *nix and Windows platforms – whereby the default shell utilized by npm scripts is either sh or cmd respectively, you’ll need to … Read more