.golangci.yml

run:
  timeout: 5m
  issues-exit-code: 1
  tests: true
  skip-dirs: []
  skip-dirs-use-default: true
  skip-files: []
  allow-parallel-runners: true

output:
  format: colored-line-number
  print-issued-lines: true
  print-linter-name: true
  uniq-by-line: true
  sort-results: true

linters-settings:
  dupl:
    threshold: 100
  # errcheck:
  #   check-type-assertions: true
  #   check-blank: true
  #   exclude: .errcheckignore
  funlen:
    lines: 100
    statements: 60
  gocognit:
    min-complexity: 20
  goconst:
    min-len: 3
    min-occurrences: 3
  gocritic:
    enabled-tags:
      - diagnostic
      - experimental
      - opinionated
      - performance
      - style
    disabled-checks:
      - commentedOutCode
      - whyNoLint
    settings:
      hugeParam:
        sizeThreshold: 80
      rangeExprCopy:
        sizeThreshold: 512
      rangeValCopy:
        sizeThreshold: 128
  gocyclo:
    min-complexity: 15
  godot:
    scope: declarations
    capital: false
  gofmt:
    simplify: true
  goimports:
    local-prefixes: go.lsp.dev/jsonrpc2
  golint:
    min-confidence: 0.3
  govet:
    enable-all: true
    check-shadowing: true
    disable:
      - fieldalignment
  depguard:
    list-type: blacklist
    include-go-root: true
    # packages-with-error-message:
    #   - github.com/sirupsen/logrus: "logging is allowed only by logutils.Log"
  lll:
    line-length: 120
    tab-width: 1
  maligned:
    suggest-new: true
  misspell:
    locale: US
    ignore-words:
      - cancelled
  nakedret:
    max-func-lines: 30
  prealloc:
    simple: true
    range-loops: true
    for-loops: true
  testpackage:
    skip-regexp: '.*(export)_test\.go'
  unparam:
    check-exported: true
    algo: cha
  unused:
    check-exported: false
  whitespace:
    multi-if: true
    multi-func: true

linters:
  fast: false
  disabled:
    - deadcode          # Finds unused code
    - errcheck          # Errcheck is a program for checking for unchecked errors in go programs
    - exhaustivestruct  # Checks if all struct's fields are initialized
    - forbidigo         # Forbids identifiers
    - gci               # Gci control golang package import order and make it always deterministic
    - gochecknoglobals  # check that no global variables exist
    - gochecknoinits    # Checks that no init functions are present in Go code
    - godox             # Tool for detection of FIXME, TODO and other comment keywords
    - goerr113          # Golang linter to check the errors handling expressions
    - gofumpt           # Gofumpt checks whether code was gofumpt-ed
    - goheader          # Checks is file header matches to pattern
    - golint            # Golint differs from gofmt. Gofmt reformats Go source code, whereas golint prints out style mistakes
    - gomnd             # An analyzer to detect magic numbers
    - gomodguard        # Allow and block list linter for direct Go module dependencies
    - gosec             # Inspects source code for security problems
    - nlreturn          # nlreturn checks for a new line before return and branch statements to increase code clarity
    - paralleltest      # paralleltest detects missing usage of t.Parallel() method in your Go test
    - scopelint         # Scopelint checks for unpinned variables in go programs
    - sqlclosecheck     # Checks that sql.Rows and sql.Stmt are closed
    - unparam           # Reports unused function parameters
    - wrapcheck         # Checks that errors returned from external packages are wrapped TODO(zchee): enable
    - wsl               # Whitespace Linter
  enable:
    - asciicheck        # Simple linter to check that your code does not contain non-ASCII identifiers
    - bodyclose         # checks whether HTTP response body is closed successfully
    - depguard          # Go linter that checks if package imports are in a list of acceptable packages
    - dogsled           # Checks assignments with too many blank identifiers
    - dupl              # Tool for code clone detection
    - errorlint         # source code linter for Go software that can be used to find code that will cause problemswith the error wrapping scheme introduced in Go 1.13
    - exhaustive        # check exhaustiveness of enum switch statements
    - exportloopref     # checks for pointers to enclosing loop variables
    - funlen            # Tool for detection of long functions
    - gocognit          # Computes and checks the cognitive complexity of functions
    - goconst           # Finds repeated strings that could be replaced by a constant
    - gocritic          # The most opinionated Go source code linter
    - gocyclo           # Computes and checks the cyclomatic complexity of functions
    - godot             # Check if comments end in a period
    - gofmt             # Gofmt checks whether code was gofmt-ed. By default this tool runs with -s option to check for code simplification
    - goimports         # Goimports does everything that gofmt does. Additionally it checks unused imports
    - goprintffuncname  # Checks that printf-like functions are named with `f` at the end
    - gosimple          # Linter for Go source code that specializes in simplifying a code
    - govet             # Vet examines Go source code and reports suspicious constructs, such as Printf calls whose arguments do not align with the format string
    - ifshort           # Checks that your code uses short syntax for if-statements whenever possible
    - ineffassign       # Detects when assignments to existing variables are not used
    - lll               # Reports long lines
    - makezero          # Finds slice declarations with non-zero initial length
    - misspell          # Finds commonly misspelled English words in comments
    - nakedret          # Finds naked returns in functions greater than a specified function length
    - nestif            # Reports deeply nested if statements
    - noctx             # noctx finds sending http request without context.Context
    - nolintlint        # Reports ill-formed or insufficient nolint directives
    - prealloc          # Finds slice declarations that could potentially be preallocated
    - predeclared       # find code that shadows one of Go's predeclared identifiers
    - rowserrcheck      # checks whether Err of rows is checked successfully
    - staticcheck       # Staticcheck is a go vet on steroids, applying a ton of static analysis checks
    - structcheck       # Finds unused struct fields
    - stylecheck        # Stylecheck is a replacement for golint
    - testpackage       # linter that makes you use a separate _test package
    - thelper           # thelper detects golang test helpers without t.Helper() call and checks the consistency of test helpers
    - tparallel         # tparallel detects inappropriate usage of t.Parallel() method in your Go test codes
    - typecheck         # Like the front-end of a Go compiler, parses and type-checks Go code
    - unconvert         # Remove unnecessary type conversions
    - unused            # Checks Go code for unused constants, variables, functions and types
    - varcheck          # Finds unused global variables and constants
    - whitespace        # Tool for detection of leading and trailing whitespace

issues:
  max-same-issues: 0
  exclude-use-default: true
  exclude-rules:
    - path: _test\.go
      linters:
        - errcheck
        - funlen
        - gocognit
        - goconst
        - gocyclo
        - lll
        - maligned
        - wrapcheck
    - path: "(.*)?_example_test.go"
      linters:
        - gocritic
    # `TestMain` function is no longer required to call `os.Exit` since Go 1.15.
    # ref: https://golang.org/doc/go1.15#testing
    - text: "SA3000:"
      linters:
        - staticcheck
    # Exclude shadow checking on the variable named err
    - text: "shadow: declaration of \"(err|ok)\""
      linters:
        - govet
    # fake implements
    - path: fake/fake.go
      linters:
        - errcheck
    # future use
    - path: wire.go
      text: "`(codeServerErrorStart|codeServerErrorEnd)` is unused"
    # goroutine
    - path: handler.go
      text: "Error return value of `handler` is not checked"