ale Review

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Review of ale powered by the Slant community.

Asynchronous Lint Engine

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What are the best Vim plugins that check for syntax errors?

Pros

Pro
Runs asynchronously

Warns of syntax errors as-you-type - you don't have to wait until you save your code or manually invoke syntax-checking (can be disabled).

Pro
Lints as you type

Doesn't wait for you to save before linting, it lints the buffer, not the file.

Pro
Add fixers (prettier, standard...)

Pro
Works with Language Server Protocol

Pro
Works with minimal configuration "out-of-the-box"

ALE can be used almost immediately after installation. Some linters that need fiddling before they're usable with Neomake or Syntastic will "just work" on ALE.

Pro
Being actively developed

Ale has a large, active community that keeps integration with language backends up to date

Cons

Con
Mixes responsibilities (LSP support)

While main purpose of ALE is to run linters and fixers it also supports some (not all) of the LSP calls. The developer likes this functionality but it's a somewhat popular opinion ALE could relay on a different project for this and therefore delegate some of the maintenance burden.

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