refactor
Dev tools
code refactoring
SHOW HN2021
110points
33comments
#482of 2,533 in 2021
Top 20%of 2021 by points
How HN took it
QuietFewer than 5 comments about the project
0 positive, 3 neutral or asking, 0 mixed, 0 critical, out of 3 comments about the project.
The thread, comment by comment
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positive neutral or mixed critical about another commenter or something else the maker
What HN said
What people liked
Useful for small-fragment refactors where formatting loss matters little
From 1 comment
Indeed! I also would suggest people to use a CST implementation (parso / LibCST) instead of refactor if they intend do large scale refactors, but from what I can see in my…
treesciencebot on HN
Objections
stdlib ast loses comments and whitespace, so CST tools like parso or LibCST are better for large refactors
From 2 comments
(Author of Bowler/maintainer of fissix) The main concern with using the ast module from stdlib is that you lose all formatting/whitespace/comments in your syntax tree, so writing…
jreese on HNYou should check out parso which is a fully roundtrip-able AST. That way your tool won't throw away comments and formatting.
boxed on HN
Requests
Support for other languages, a polyglot pattern-matching rewrite tool
From 1 comment
I wonder if something like this exists for other languages? Most rewriting/refactoring tools make too many assumptions about the surrounding project. Something simple which…
bmc7505 on HN
Questions
Whether it works on PyPy
From 1 comment
The one thing I hope for when it comes to Python is that PyPy becomes the default runtime everywhere. CPython is so unbelievably slow when compared to languages like PHP and…
TekMol on HN
Alternatives named
Bowler
From 1 comment
A similar type project. Though I haven't seen much activity recently: https://github.com/facebookincubator/Bowler
graton on HN
parso
From 1 comment
You should check out parso which is a fully roundtrip-able AST. That way your tool won't throw away comments and formatting.
boxed on HN
LibCST
From 1 comment
(Author of Bowler/maintainer of fissix) The main concern with using the ast module from stdlib is that you lose all formatting/whitespace/comments in your syntax tree, so writing…
jreese on HN
semgrep
From 1 comment
Maybe something like this: https://semgrep.dev/ I found it last week. It may be able to detect a potential issue in multiple languages, but not sure if it supports refactoring.
woile on HN
tree-sitter
From 1 comment
This is not a problem I'd had, but it sounds like something tree-sitter might be able to help with. I've been using tree-sitter for syntax highlighting, simple refactors, and…
jay-aye-see-key on HN