Can’t resolve ‘babel-loader’
I had the same problem; I fixed it by installing the babel-loader module: yarn add -D babel-loader or npm install –save babel-loader
node-modules
Can you export multiple classes from a single Nodejs Module?
You can export multiple classes like this: e.g. People.js class Jack{ //Member variables, functions, etc } class John{ //Member variables, functions, etc } module.exports = { Jack : Jack, John : John } And access these classes as you have correctly mentioned: var People = require(‘./People.js’); var JackInstance = new People.Jack(); var JohnInstance = new … Read more
Parcel SemVer bug
This is a known problem in the newest version of Parcel. The solution of this problem was to revert back to version 1.12.3, or by updating to the version 2 of Parcel. You can do the first solution by: npm uninstall parcel-bundler npm i –save-dev parcel-bundler@1.12.3 The second solution could be done like this: npm … Read more
What is the use of module.parent in node.js? How can I refer to the require()ing module?
The “parent” is the module that caused the script to be interpreted (and cached), if any: // $ node foo.js console.log(module.parent); // `null` // require(‘./foo’) console.log(module.parent); // `{ … }` What you’re expecting is the “caller,” which Node doesn’t retain for you. For that, you’ll need the exported function you’re currently using to be a … Read more
How to use ESM tests with jest?
Here are the steps I took to run Jest with a test using ESM. The source files under test were also written using ESM. Set my node version to 14.16.0 Install Jest: npm i jest -D Add “type”: “module” to package.json Update test script in package.json: “scripts”: { “test”: “node –experimental-vm-modules ./node_modules/.bin/jest” } Create a … Read more
‘react-scripts’ is not recognized as an internal or external command, operable program or batch file
It is an error about react-scripts file missing in your node modules directory at the time of installation. Now, you can add manually this via the command: npm install react-scripts
node: –openssl-legacy-provider is not allowed in NODE_OPTIONS
I ran into this on MacOS. From terminal, I ran export to check my environment variables and saw that NODE_OPTIONS=–openssl-legacy-provider had been set. I then simply ran unset NODE_OPTIONS and then was able to use node again.
node: could not initialize ICU (check NODE_ICU_DATA or –icu-data-dir parameters)
You need to run npm install including the full-icu package. It’s full-icu‘s postinstall step which downloads the appropriate bits for the currently executing node. Note that multiple files may show up in the full-icu directory, that’s OK. If you already had full-icu installed, but upgraded Node.js in between: npm rebuild fixes the issue.
What could cause an error related to npm not being able to find a file? No contents in my node_modules subfolder. Why is that?
The following steps work for me: npm cache clean -f rm -rf node_modules npm i
how to use async await with https post request
Basically, you can write a function which will return a Promise and then you can use async/await with that function. Please see below: const https = require(‘https’) const data = JSON.stringify({ todo: ‘Buy the milk’ }); const options = { hostname: ‘flaviocopes.com’, port: 443, path: ‘/todos’, method: ‘POST’, headers: { ‘Content-Type’: ‘application/json’, ‘Content-Length’: data.length }, … Read more