dart_style
yapf
dart_style | yapf | |
---|---|---|
14 | 21 | |
632 | 13,655 | |
0.9% | 0.3% | |
9.2 | 8.0 | |
2 days ago | 6 days ago | |
Dart | Python | |
BSD 3-clause "New" or "Revised" License | Apache License 2.0 |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
dart_style
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Why is Prettier rock solid?
> Oh I'm curious why you're rewriting it?
The primary driver is that we're moving to a fairly different formatting style: https://github.com/dart-lang/dart_style/issues/1253
The formatter works sort of like a compiler in that it parses the code, translates it to an internal representation, does optimization on that IR, and then outputs final code. The main difference is that the "final code" is also source code, and the "optimization" is line splitting.
The old IR grew organically over time and got increasingly difficult to work with. It baked certain formatting choices directly into the IR (mainly indentation) which line splitting then had no control over. For example, given a function call like:
someLongFunctionName(some + long + argument + expression, [firstElement, anotherElement, aThirdElement]);
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The Record type is coming to Dart/Flutter!
in your analysis_options.yaml. The formatter doesn't understand the new syntax yet, though.
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Linter actually that important for a lot of minor things?
Sorry, perhaps im not quite familiar with the GitHub issues you’re chatting about, but a quick search shows the Dart team actually made a very similar argument about laptops and diffs as the first reply in a thread about the 80 character max: https://github.com/dart-lang/dart_style/issues/833
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What is the best flutter formatter?
Nope, but there is a proposal to set line length in pubspec.yaml: https://github.com/dart-lang/dart_style/issues/918
- Imagine that someone passed a law—literally a criminal offense—if you formatted your code longer than 80 columns. You were forced to comply. Do you honestly believe that your engineering productivity or overall quality of life as a human on Earth would be measurably negatively impacted?
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Custom Formatting in VS Code
The standard Dart extension only supports formatting using the SDK-supplied formatter (dart_style) which (by design) is not configurable (although it can be turned on/off with the dart.enableSdkFormatter setting).
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10 Best Visual Studio Code Extensions for Flutter Development
Flutter itself provides formatting choices, however, it only formats Dart files and it doesn’t re-order the code. Flutter formats the code based on these formatting rules.
- Flutter’s take on the 2-space indent code style
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Anyone else seeing dartfmt hanging VSCode lately?
There are some other possibilities - such as complex code being slow to format (for example I hit https://github.com/dart-lang/dart_style/issues/1022 and originally thought it was a repro for this issue), or that the server is busy doing its initial synchronous scan of the workspace, though those should be temporary and the format should eventually complete so it's probably not what most people are reporting here.
yapf
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Enhance Your Project Quality with These Top Python Libraries
YAPF (Yet Another Python Formatter): YAPF takes a different approach in that it’s based off of ‘clang-format’, a popular formatter for C++ code. YAPF reformats Python code so that it conforms to the style guide and looks good.
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Why is Prettier rock solid?
I think I agree about the testing and labor of complicated translation rules.
But it doesn't appear that almost every pretty printer uses the Wadler pretty printing paper. It seems like MOST of them don't?
e.g. clang-format is one of the biggest and best, and it has a model that includes "unwrapped lines", a "layouter", a line break cost function, exhaustive search with memoization, and Dijikstra's algorithm:
https://llvm.org/devmtg/2013-04/jasper-slides.pdf
The YAPF Python formatter is based on this same algorithm - https://github.com/google/yapf
The Dart formatter used a model of "chunks, rules, and spans"
https://journal.stuffwithstuff.com/2015/09/08/the-hardest-pr...
It almost seems like there are 2 camps -- the functional algorithms for functional/expression-based languages, and other algorithms for more statement-based languages.
Though I guess Prettier/JavaScript falls on the functional side.
I just ran across this survey on lobste.rs and it seems to cover the functional pretty printing languages influenced by Wadler, but functional style, but not the other kind of formatter ("Google" formatters perhaps)
https://arxiv.org/pdf/2310.01530.pdf
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A Tale of Two Kitchens - Hypermodernizing Your Python Code Base
To get all your code into a consistent format the next step is to run a formatter. I recommend black, the well-known uncompromising code formatter, which is the most popular choice. Alternatives to black are autoflake, prettier and yapf, if you do not agree with blacks constraints.
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Front page news headline scraping data engineering project
Use yapf to format code -> https://github.com/google/yapf
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Confused by Google's docstring "Attributes" section.
Google is surprisingly rigorous when it comes to code formatting. I have been a software engineer at Amazon and it was nothing like what the book says happens at Google. So the conventions you see for python docstring formatting are primarily designed to integrate with Google's internal tooling. By using docstrings following the Google conventions, you will ultimately end up with automated documentation and other fancy automated things (like type checking which they did in the docstring before there were type hints). Also notably, Google has an open source python formatting tool that they use internally called YAPF (which stands for "Yet Another Python Formatter". So if you really want to go all-in on Google python style, grab that, too.
- Alternate python spacing.
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Not sure if this is the worst or most genius indentation I've seen
https://github.com/google/yapf has configs, do ctrl+f SPLIT_COMPLEX_COMPREHENSION in the readme
- Google Python Style Guide
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Enable hyphenation only for code blocks
Only as recommendation: If the lines of the source code (here: you C code you aim to document) are kept short, in manageable bytes (similar to entries parser.add_argument in Clark's "Tiny Python Projects", example seldomly pass beyond the frequently recommended threshold of 80 characters/line), reporting with listings becomes easier (equally, the reading of the difference logs/views by git and vimdiff), than with lines of say 120 characters per line. Though we no longer are constrained to 80 characters per line by terminals/screens and punch cards (when Fortran still was FORTRAN), this is a reason e.g., yapf for Python allows you to choose between 4 spaces/indentation (PEP8 style), or 2 spaces/indentation (Google style).
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3 popular Python style guides that will help your team write better code
There is also a formatter for Python files called yapf that your team can use to avoid arguing over formatting conventions. Plus, Google also provides a settings file for Vim, noting that the default settings should be enough if you're using Emacs.
What are some alternatives?
dart-code-metrics - Software analytics tool that helps developers analyse and improve software quality.
black - The uncompromising Python code formatter
Dart-Code - Dart and Flutter support for VS Code
isort - A Python utility / library to sort imports.
flutter-examples - This repository contains the Syncfusion Flutter UI widgets examples and the guide to use them.
flake8
markdownlint - A Node.js style checker and lint tool for Markdown/CommonMark files.
autopep8 - A tool that automatically formats Python code to conform to the PEP 8 style guide.
pub-dev - The pub.dev website
awesome-python-typing - Collection of awesome Python types, stubs, plugins, and tools to work with them.
sdk - The Dart SDK, including the VM, dart2js, core libraries, and more.
pyright - Static Type Checker for Python