How to fix “ReferenceError: primordials is not defined” in Node.js

I hit the same error. I suspect you’re using Node.js 12 and Gulp.js 3. That combination does not work: Gulp.js 3 is broken on Node.js 12 #2324 A previous workaround from Jan. does not work either: After update to Node.js 11.0.0 running Gulp.js exits with ‘ReferenceError: internalBinding is not defined’ #2246 Solution: Either upgrade to … Read more

Node.js Best Practice Exception Handling

Update: Joyent now has their own guide. The following information is more of a summary: Safely “throwing” errors Ideally we’d like to avoid uncaught errors as much as possible, as such, instead of literally throwing the error, we can instead safely “throw” the error using one of the following methods depending on our code architecture: … Read more

Is there a way to get version from package.json in nodejs code?

I found that the following code fragment worked best for me. Since it uses require to load the package.json, it works regardless of the current working directory. var pjson = require(‘./package.json’); console.log(pjson.version); A warning, courtesy of @Pathogen: Doing this with Browserify has security implications. Be careful not to expose your package.json to the client, as … Read more

Why does “npm install” rewrite package-lock.json?

Update 3: As other answers point out as well, the npm ci command got introduced in npm 5.7.0 as additional way to achieve fast and reproducible builds in the CI context. See the documentation and npm blog for further information. Update 2: The issue to update and clarify the documentation is GitHub issue #18103. Update … Read more

How to change node.js’s console font color?

Below you can find colors reference of text to command when running node.js application: console.log(‘\x1b[36m%s\x1b[0m’, ‘I am cyan’); //cyan console.log(‘\x1b[33m%s\x1b[0m’, stringToMakeYellow); //yellow Note %s is where in the string (the second argument) gets injected. \x1b[0m resets the terminal color so it doesn’t continue to be the chosen color anymore after this point. Colors reference Reset … Read more

npm WARN package.json: No repository field

It’s just a check as of NPM v1.2.20, they report this as a warning. However, don’t worry, there are sooooooo many packages which still don’t have the repository field in their package.json. The field is used for informational purposes. In the case you’re a package author, put the repository in your package.json, like this: “repository”: … Read more

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