When looking at the different “flavors” of the programming language, developers are most interested in TypeScript followed by Reason. The report also finds developers are most satisfied with TypeScript, Reason, Elm, PureScript and ClosureScript.
This year, React is back on top as the most satisfied front end framework. It was shortly replaced by Vue.js last year. Vue.js is the third most satisfied front end framework, surpassed by Svelte. The report also shows interest in Angular is waning. In 2016, 50% of respondents were interested in the framework. Today, the report finds only 23% are.
For back end frameworks, developers are most interested and satisfied with like Express, Next.js, Nuxt, and Gatsby.
The report also took a look at mobile devices and desktop apps. The most satisfied apps included Electron, React Native, Native apps, and Expo.
Other findings of the report included Jest as the top tool for testing code, and Lodash as the most used utility library.