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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.
Sticking to the same formatting makes it easier to read the code: in this way, there are no weirdly formatted places that attract your attention for the wrong reason. Consistency in the codebase brings a sense of order and makes it easier to trust in the project’s current state. Coding style can generate a lot of heated discussions. I don’t care that much about particular formatting; I just want to do the same, no matter who and when wrote the code, and I like the style to be applied automatically. Luckily, right now we have opinionated tools, such as prettier, that can format entire projects in a moment and leave only a few options to discuss inside your team. So you can outsource both the formatting itself and the endless discussions about it to an external tool!
Linters are static analyses of the code meant to point to the sources of common issues. It’s nice to have a regular check that goes through your code and tells you that all is good here. eslint, a popular linter for JavaScript and TypeScript, allows for a lot of configuration. You can set the config to catch only the most problematic issues, fix the whole codebase, and integrate it with your code editor. To keep getting more value from the setup, you can continue iterating over the config—turning on or off different rules and adding framework-specific plugins. In this way, you will be able to make your code more likely to improve with time; and at the same time, every step will be small and won’t take you too much time at once.