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goimports-reviser

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Tool for Golang to sort goimports by 3-4 groups(with own linter): std, general, company(which is optional) and project dependencies. Also, formatting for your code will be prepared(so, you don't need to use gofmt or goimports separately). Use additional options -rm-unused to remove unused imports and -set-alias to rewrite import aliases for versioned packages or for packages with additional prefix/suffix(example: opentracing "github.com/opentracing/opentracing-go"). -company-prefixes - will create group for company imports(libs inside your organization). Values should be comma-separated.

Configuration:

Cmd

goimports-reviser -rm-unused -set-alias -format ./reviser/reviser.go

You can also apply rules to a dir or recursively apply using ./... as a target:

goimports-reviser -rm-unused -set-alias -format -recursive reviser

goimports-reviser -rm-unused -set-alias -format ./...

Example, to configure it with JetBrains IDEs (via file watcher plugin):

Options:

Usage of goimports-reviser:
  -apply-to-generated-files
    	Apply imports sorting and formatting(if the option is set) to generated files. Generated file is a file with first comment which starts with comment '// Code generated'. Optional parameter.
  -company-prefixes string
    	Company package prefixes which will be placed after 3rd-party group by default(if defined). Values should be comma-separated. Optional parameters.
  -excludes string
    	Exclude files or dirs, example: '.git/,proto/*.go'.
  -file-path string
    	Deprecated. Put file name as an argument(last item) of command line.
  -format
    	Option will perform additional formatting. Optional parameter.
  -imports-order string
    	Your imports groups can be sorted in your way.
    	std - std import group;
    	general - libs for general purpose;
    	company - inter-org or your company libs(if you set '-company-prefixes'-option, then 4th group will be split separately. In other case, it will be the part of general purpose libs);
    	project - your local project dependencies;
    	blanked - imports with "_" alias;
    	dotted - imports with "." alias.
    	Optional parameter. (default "std,general,company,project")
  -list-diff
    	Option will list files whose formatting differs from goimports-reviser. Optional parameter.
  -local string
    	Deprecated
  -output string
    	Can be "file", "write" or "stdout". Whether to write the formatted content back to the file or to stdout. When "write" together with "-list-diff" will list the file name and write back to the file. Optional parameter. (default "file")
  -project-name string
    	Your project name(ex.: github.com/incu6us/goimports-reviser). Optional parameter.
  -recursive
    	Apply rules recursively if target is a directory. In case of ./... execution will be recursively applied by default. Optional parameter.
  -rm-unused
    	Remove unused imports. Optional parameter.
  -set-alias
    	Set alias for versioned package names, like 'github.com/go-pg/pg/v9'. In this case import will be set as 'pg "github.com/go-pg/pg/v9"'. Optional parameter.
  -set-exit-status
    	set the exit status to 1 if a change is needed/made. Optional parameter.
  -use-cache
    	Use cache to improve performance. Optional parameter.
  -version
    	Show version.

Install

With Go

go install -v github.com/incu6us/goimports-reviser/v3@latest

With Brew

brew tap incu6us/homebrew-tap
brew install incu6us/homebrew-tap/goimports-reviser

With Snap

snap install goimports-reviser

Examples

Before usage:

package testdata

import (
	"log"

	"github.com/incu6us/goimports-reviser/testdata/innderpkg"

	"bytes"

	"golang.org/x/exp/slices"
)

After usage:

package testdata

import (
	"bytes"
	"log"

	"golang.org/x/exp/slices"

	"github.com/incu6us/goimports-reviser/testdata/innderpkg"
)

Comments(not Docs) for imports is acceptable. Example:

package testdata

import (
    "fmt" // comments to the package here
)

Example with -company-prefixes-option

Before usage:

package testdata // goimports-reviser/testdata

import (
	"fmt" //fmt package
	"golang.org/x/exp/slices" //custom package
	"github.com/incu6us/goimports-reviser/pkg" // this is a company package which is not a part of the project, but is a part of your organization
	"goimports-reviser/pkg"
)

After usage:

package testdata // goimports-reviser/testdata

import (
	"fmt" // fmt package

	"golang.org/x/exp/slices" // custom package

	"github.com/incu6us/goimports-reviser/pkg" // this is a company package which is not a part of the project, but is a part of your organization

	"goimports-reviser/pkg"
)

Example with -imports-order std,general,company,project,blanked,dotted-option

Before usage:

package testdata // goimports-reviser/testdata

import (
	_ "github.com/pkg1"
	. "github.com/pkg2"
	"fmt" //fmt package
	"golang.org/x/exp/slices" //custom package
	"github.com/incu6us/goimports-reviser/pkg" // this is a company package which is not a part of the project, but is a part of your organization
	"goimports-reviser/pkg"
)

After usage:

package testdata // goimports-reviser/testdata

import (
	"fmt" // fmt package

	"golang.org/x/exp/slices" // custom package

	"github.com/incu6us/goimports-reviser/pkg" // this is a company package which is not a part of the project, but is a part of your organization

	"goimports-reviser/pkg"

	_ "github.com/pkg1"

	. "github.com/pkg2"
)

Example with -format-option

Before usage:

package main
func test(){
}
func additionalTest(){
}

After usage:

package main

func test(){
}

func additionalTest(){
}

Contributors

A big thank you to all the amazing people who contributed!

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