unusedinterface

unusedinterface finds unused interface in their package.

Install

$ go install github.com/cloverrose/unusedinterface/cmd/unusedinterface@latest

Or Build from source

$ go build -o bin/ ./cmd/...

Or Install via aqua

https://aquaproj.github.io/

Usage

$ go vet -vettool=`which unusedinterface` ./...

Or golangci-lint custom plugin

https://golangci-lint.run/plugins/module-plugins/

Here are reference settings

.custom-gcl.yml

# https://golangci-lint.run/plugins/module-plugins/
version: v1.62.0
name: custom-golangci-lint
destination: bin
plugins:
  - module: 'github.com/cloverrose/unusedinterface'
    import: 'github.com/cloverrose/unusedinterface'
    version: v0.2.3

.golangci.yml

linters-settings:
  custom:
    unusedinterface:
      type: "module"
      description: check unused interface

This repo is an example https://github.com/cloverrose/linter-playground