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Source code analyzer that helps you to maintain variable/field naming conventions inside your project.

Quick start / Installation

To install go-namecheck binary under your $(go env GOPATH)/bin:

go get -v

If $GOPATH/bin is under your system $PATH, go-namecheck command should be available after that.
This should print the help message:

go-namecheck --help

In big teams, same things end up being called differently eventually. Sometimes you bring inconsistencies on your own. Suppose it's considered idiomatic to call string parameter s if you can't figure a more descriptive name, but sometimes you see str names used by other programmers from your team. This is where go-namecheck can help.

For a better illustration, suppose we also want to catch regexp variables that use re prefix and propose RE suffix instead, so var reFoo *regexp.Regexp becomes var fooRE *regexp.Regexp.

  "string": {"param": {"str": "s"}},
  "regexp\\.Regexp": {
    "local+global": {"^re[A-Z]\\w*$": "use RE suffix instead of re prefix"}

Rules above implement checks we described.

First key describes regular expression that matches a type. For that key there is an object for scopes. Scope can be one of:

  • param - function input params
  • receiver - method receiver
  • global - any global constant or variable
  • local - any local constant or variable
  • field - struct field

You can combine several scopes like param+receiver+local, etc.

Inside a scope there is an JSON object that maps "from" => "to" pair. In the simplest form, it's a simple literal matching that suggests to replace one name with another, like in str=>s rule. Key can also be a regular expression, in this case, the "to" part does not describe exact substitution, but rather describes how to make name idiomatic (what to change).

You start by creating your rules file (or borrowing someone else set). Then you can run go-namecheck like this:

go-namecheck foo.go bar.go mypkg

You can also use std, ./... and other conventional targets that are normally understood by Go tools.


Source code analyzer that helps you to maintain variable/field naming conventions inside your project.








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