npm WARN enoent ENOENT: no such file or directory, open ‘C:\Users\Nuwanst\package.json’

Have you created a package.json file? Maybe run this command first again. C:\Users\Nuwanst\Documents\NodeJS\3.chat>npm init It creates a package.json file in your folder. Then run, C:\Users\Nuwanst\Documents\NodeJS\3.chat>npm install socket.io –save The –save ensures your module is saved as a dependency in your package.json file. Let me know if this works.

SyntaxError: Cannot use import statement outside a module

Verify that you have the latest version of Node.js installed (or, at least 13.2.0+). Then do one of the following, as described in the documentation: Option 1 In the nearest parent package.json file, add the top-level “type” field with a value of “module”. This will ensure that all .js and .mjs files are interpreted as ES modules. You can interpret individual files as CommonJS by using the .cjs extension. … Read more

What Are “npm run dev” and “npm run prod”

They are indeed the scripts as defined in the package.json file as you discovered. The values are run by your shell (so, for example, bash, zsh, etc. on UNIX-like operating systems). One key thing to note is that the node_modules/.bin directory is added to PATH before executing. So, in the case of the two scripts you’re asking about, cross-env can be found in node_modules/.bin (because it’s almost … Read more

Javascript require() function giving ReferenceError: require is not defined

RequireJS is a JavaScript file and module loader. It is optimized for in-browser use, but it can be used in other JavaScript environments, like Rhino and Node. Using a modular script loader like RequireJS will improve the speed and quality of your code. http://requirejs.org/docs/download.html Add this to your project: https://requirejs.org/docs/release/2.3.5/minified/require.js and take a look at this http://requirejs.org/docs/api.html

Could not find a declaration file for module ‘module-name’. ‘/path/to/module-name.js’ implicitly has an ‘any’ type

That feeling when you are looking out for two days and find it like this: just remove .js from “main”: “dist/index.js” in package.json and everything works fine! UPD: this answer relative if you have your own npm package, if not – see my answer below. And if above answer not resolved import your module, try just add typings in package.json: Of course, here folder dist – it’s … Read more