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by fkling
3652 days ago
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jscodeshift is primarily a wrapper around recast. Recast takes care of all the printing. It's smart enough to reuse the original source code for AST nodes that haven't been changed. As for formatting, there are some options to influence the pretty printer, but not a lot [1]. It will infer things like indentation from the existing source code. I'm not sure right now how it handles long lines. Whenever we run into issues with the printer, we just create a PR to fix it. Getting automatic code formatting right is apparently quite hard. There are dedicated tools for this, such as https://github.com/millermedeiros/esformatter . [1]: https://github.com/benjamn/recast/blob/master/lib/options.js |
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