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SurveyJS
Open-Source JSON Form Builder to Create Dynamic Forms Right in Your App. With SurveyJS form UI libraries, you can build and style forms in a fully-integrated drag & drop form builder, render them in your JS app, and store form submission data in any backend, inc. PHP, ASP.NET Core, and Node.js.
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loglevel
:ledger: Minimal lightweight logging for JavaScript, adding reliable log level methods to wrap any available console.log methods
Winston is a popular logging library. It is designed to be simple and enables universal logging with support for multiple transports. Winston defines itself as “A logger for just about everything”.
Bunyan is also another popular and fast JSON Node.js logging library. Just like Winston, it also supports logging into multiple transport options. Other features include a neat-printing CLI for logs, a log filter, serializers for rendering objects, snooping system, and the ability to support multiple runtime environments such as NW.js and WebPack. Bunyan enforces the JSON format for logs.
Pino is also a popular Node.js logging library alternative for developers. There are claims that it is 5x faster than other Node.js logging libraries besides providing standard features such as the ability to choose a storage medium, log levels, and formatting capabilities. Pino is also highly extensible, flexible, and easy to integrate with Node.js frameworks such as Express, Fastify, and Restify. The library is a low-overhead Node.js logging library and supports asynchronous logging despite being fast. Pino also gives you the ability to create child loggers.
A relatively popular, simple, “minimal and lightweight” Node.js logging library that works both in the browser and for Node.js. According to its documentation, the LogLevel Node.js logging libraries seek to replace the console methods with more features such as the “ability to disable error logging in production and filter logs by their severity”. LogLevel is a Node.js logging library that has no dependencies and can continue logging even in browsers that don’t have support for the console object. Like other Node.js logging libraries, LogLevel is also extensible and offers log redirection capabilities, formatting, and filtering. For developers that develop in TypeScript, LogLevel already has included type definitions making it even more convenient to use.
Tracer calls itself the customizable and powerful logging library for Nodejs. With Tracer, you can print simple logs, colored logs, and even set output levels. You can customize it by printing a timestamp, file name, line number, and even the call stack! The list is huge!
Signale consists of 19 loggers for Javascript applications. It supports TypeScript and scoped logging. It consists of timers that help log the timestamp, data, and filename. Apart from the 19 loggers like await, complete, fatal, fav, info, etc., one can create custom logs.