chore: goimports.local-prefixes -> slice

Author: ldez

.golangci.next.reference.yml

@@ -400,8 +400,9 @@ formatters:
     goimports:
       # A comma-separated list of prefixes, which, if set, checks import paths
       # with the given prefixes are grouped after 3rd-party packages.
-      # Default: ""
-      local-prefixes: github.com/org/project
+      # Default: []
+      local-prefixes:
+        - github.com/org/project
 
     golines:
       # Target maximum line length.

.golangci.yml

@@ -114,7 +114,8 @@ formatters:
         - pattern: 'interface{}'
           replacement: 'any'
     goimports:
-      local-prefixes: github.com/golangci/golangci-lint
+      local-prefixes:
+        - github.com/golangci/golangci-lint
 
 linters-settings:
   depguard:

jsonschema/golangci.next.jsonschema.json

@@ -1556,8 +1556,10 @@
           "properties": {
             "local-prefixes": {
               "description": "Put imports beginning with prefix after 3rd-party packages. It is a comma-separated list of prefixes.",
-              "type": "string",
-              "examples": ["github.com/org/project"]
+              "type": "array",
+              "items": {
+                "type": "string"
+              }
             }
           }
         },

pkg/config/formatters_settings.go

@@ -51,7 +51,7 @@ type GoFumptSettings struct {
 }
 
 type GoImportsSettings struct {
-	LocalPrefixes string `mapstructure:"local-prefixes"`
+	LocalPrefixes []string `mapstructure:"local-prefixes"`
 }
 
 type GoLinesSettings struct {

pkg/goformatters/goimports/goimports.go

@@ -1,6 +1,8 @@
 package goimports
 
 import (
+	"strings"
+
 	"golang.org/x/tools/imports"
 
 	"github.com/golangci/golangci-lint/pkg/config"
@@ -12,7 +14,7 @@ type Formatter struct{}
 
 func New(settings *config.GoImportsSettings) *Formatter {
 	if settings != nil {
-		imports.LocalPrefix = settings.LocalPrefixes
+		imports.LocalPrefix = strings.Join(settings.LocalPrefixes, ",")
 	}
 
 	return &Formatter{}

pkg/golinters/goimports/testdata/goimports_local.yml

@@ -5,4 +5,5 @@ formatters:
     - goimports
   settings:
     goimports:
-      local-prefixes: github.com/golangci/golangci-lint
+      local-prefixes:
+        - github.com/golangci/golangci-lint