node.js

Where is the body in a nodejs http.get response?

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http.request docs contains example how to receive body of the response through handling data event: var options = { host: ‘www.google.com’, port: 80, path: ‘/upload’, method: ‘POST’ }; var req = http.request(options, function(res) { console.log(‘STATUS: ‘ + res.statusCode); console.log(‘HEADERS: ‘ + JSON.stringify(res.headers)); res.setEncoding(‘utf8’); res.on(‘data’, function (chunk) { console.log(‘BODY: ‘ + chunk); }); }); req.on(‘error’, function(e) … Read more

Is there a way to get the version from the ‘package.json’ file in Node.js code?

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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

Upgrading Node.js to the latest version

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Ubuntu Linux/Mac The module n makes version-management easy: npm install n -g For the latest stable version: n stable For the latest version: n latest Debian 10 Upgrade older versions of node and npm on Debian 10 as follows: sudo su -c ‘curl -sL https://deb.nodesource.com/setup_18.x | bash -‘ sudo apt-get install nodejs -y sudo apt … Read more

how to pass image buffer data to gm in() GraphicsMagic

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Without modifying the source of GraphicsMagick itself, you can’t. The gm module interacts with the GraphicsMagick program through the command line. The arguments you’re passing through the .in() method are being converted into command-line arguments. The GraphicsMagick program only accepts filenames for this argument and will not attempt to process any direct form of data. … Read more

How to use setInterval and clearInterval in NodeJS? [duplicate]

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If you want a JavaScript like interval ID after creating a setInterval timer, you can do the following, function callbackFunc() { console.log(“I’m just an example callback function”); } const timeoutObj = setInterval(callbackFunc, 1000); const intervalId = timeoutObj[Symbol.toPrimitive](); //intervalId is an interger // Later you can clear the timer by calling clearInterval with the intervalId like, … Read more

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