replaced interface with any, fixed staticcheck problems

convert/convert.go

@@ -8,7 +8,7 @@ import (
 	"github.com/zclconf/go-cty/cty/gocty"
 )
 
-func GoToCtyValue(val interface{}) (cty.Value, error) {
+func GoToCtyValue(val any) (cty.Value, error) {
 	typ, err := gocty.ImpliedType(val)
 	if err != nil {
 		return cty.False, err
@@ -55,6 +55,6 @@ func GoToCtyValue(val interface{}) (cty.Value, error) {
 	return ctyVal, nil
 }
 
-func CtyToGo(val cty.Value, target interface{}) error {
+func CtyToGo(val cty.Value, target any) error {
 	return gocty.FromCtyValue(val, target)
 }

errors/parser_error.go

@@ -2,7 +2,7 @@ package errors
 
 import (
 	"fmt"
-	"io/ioutil"
+	"os"
 	"strings"
 
 	"github.com/mitchellh/go-wordwrap"
@@ -35,7 +35,7 @@ func (p *ParserError) Error() string {
 
 	err.WriteString("  " + fmt.Sprintf("%s:%d,%d\n", p.Filename, p.Line, p.Column))
 	// process the file
-	file, _ := ioutil.ReadFile(wordwrap.WrapString(p.Filename, 80))
+	file, _ := os.ReadFile(wordwrap.WrapString(p.Filename, 80))
 
 	lines := strings.Split(string(file), "\n")
 

functions.go

@@ -13,7 +13,7 @@ import (
 	"github.com/zclconf/go-cty/cty/function/stdlib"
 )
 
-func createCtyFunctionFromGoFunc(f interface{}) (function.Function, error) {
+func createCtyFunctionFromGoFunc(f any) (function.Function, error) {
 	// get the parameters
 	inParams := []function.Parameter{}
 	var outParam function.TypeFunc
@@ -287,7 +287,7 @@ func getDefaultFunctions(filePath string) map[string]function.Function {
 				return cty.StringVal(""), fmt.Errorf("error parsing template: %s", err)
 			}
 
-			tmpl.RegisterHelpers(map[string]interface{}{
+			tmpl.RegisterHelpers(map[string]any{
 				"quote": func(in string) string {
 					return fmt.Sprintf(`"%s"`, in)
 				},

functions_test.go

@@ -82,7 +82,7 @@ func TestCreateFunctionCallsFunction(t *testing.T) {
 func TestCreateFunctionHandlesInputParams(t *testing.T) {
 	type testCase struct {
 		name string
-		f    interface{}
+		f    any
 	}
 
 	cases := []testCase{

lookup/lookup.go

@@ -21,20 +21,20 @@ const (
 )
 
 var (
-	ErrMalformedIndex    = errors.New("Malformed index key")
-	ErrInvalidIndexUsage = errors.New("Invalid index key usage")
-	ErrKeyNotFound       = errors.New("Unable to find the key")
+	ErrMalformedIndex    = errors.New("malformed index key")
+	ErrInvalidIndexUsage = errors.New("invalid index key usage")
+	ErrKeyNotFound       = errors.New("unable to find the key")
 )
 
 // LookupString performs a lookup into a value, using a string. Same as `Lookup`
 // but using a string with the keys separated by `.`
-func LookupString(i interface{}, path string, tags []string) (reflect.Value, error) {
+func LookupString(i any, path string, tags []string) (reflect.Value, error) {
 	return Lookup(i, strings.Split(path, SplitToken), tags)
 }
 
 // LookupStringI is the same as LookupString, but the path is not case
 // sensitive.
-func LookupStringI(i interface{}, path string, tags []string) (reflect.Value, error) {
+func LookupStringI(i any, path string, tags []string) (reflect.Value, error) {
 	return LookupI(i, strings.Split(path, SplitToken), tags)
 }
 
@@ -44,16 +44,16 @@ func LookupStringI(i interface{}, path string, tags []string) (reflect.Value, er
 // If one key owns to a slice and an index is not
 // specified the rest of the path will be applied to eval value of the
 // slice, and the value will be merged into a slice.
-func Lookup(i interface{}, path []string, tags []string) (reflect.Value, error) {
+func Lookup(i any, path []string, tags []string) (reflect.Value, error) {
 	return lookup(i, false, path, tags)
 }
 
 // LookupI is the same as Lookup, but the path keys are not case sensitive.
-func LookupI(i interface{}, path []string, tags []string) (reflect.Value, error) {
+func LookupI(i any, path []string, tags []string) (reflect.Value, error) {
 	return lookup(i, true, path, tags)
 }
 
-func SetValueStringI[V int64 | int | string | bool | reflect.Value](i interface{}, v V, path string, tags []string) error {
+func SetValueStringI[V int64 | int | string | bool | reflect.Value](i any, v V, path string, tags []string) error {
 	// First find the variable
 	dest, err := Lookup(i, strings.Split(path, SplitToken), tags)
 	if err != nil {
@@ -86,7 +86,7 @@ func SetValueStringI[V int64 | int | string | bool | reflect.Value](i interface{
 	return nil
 }
 
-func lookup(i interface{}, caseInsensitive bool, path []string, tags []string) (reflect.Value, error) {
+func lookup(i any, caseInsensitive bool, path []string, tags []string) (reflect.Value, error) {
 	value := reflect.ValueOf(i)
 	var parent reflect.Value
 	var err error
@@ -275,7 +275,7 @@ func isMergeable(v reflect.Value) bool {
 }
 
 func hasIndex(s string) bool {
-	return strings.Index(s, IndexOpenChar) != -1
+	return strings.Contains(s, IndexOpenChar)
 }
 
 func parseIndex(s string) (string, int, error) {

lookup/lookup_test.go

@@ -465,7 +465,7 @@ type MyStruct struct {
 	Map         map[string]int `json:"jsontagmap" hcl:"hcltagmap"`
 	Nested      *MyStruct
 	StructSlice []*MyStruct
-	Interface   interface{}
+	Interface   any
 	Slice       []string
 }
 
@@ -485,11 +485,11 @@ var structFixture = MyStruct{
 
 var emptyFixture = structs.Container{}
 
-var mapComplexFixture = map[string]interface{}{
-	"map": map[string]interface{}{
+var mapComplexFixture = map[string]any{
+	"map": map[string]any{
 		"bar": 1,
 	},
-	"list": []map[string]interface{}{
+	"list": []map[string]any{
 		{"baz": 1},
 		{"baz": 2},
 		{"baz": 3},

parse_test.go

@@ -176,9 +176,9 @@ func TestParseResolvesArrayReferences(t *testing.T) {
 	require.NotNil(t, r)
 
 	out = r.(*resources.Output)
-	require.Equal(t, "10.6.0.200", out.Value.([]interface{})[0].(string))
-	require.Equal(t, "10.7.0.201", out.Value.([]interface{})[1].(string))
-	require.Equal(t, float64(12), out.Value.([]interface{})[2].(float64))
+	require.Equal(t, "10.6.0.200", out.Value.([]any)[0].(string))
+	require.Equal(t, "10.7.0.201", out.Value.([]any)[1].(string))
+	require.Equal(t, float64(12), out.Value.([]any)[2].(float64))
 }
 
 func TestLoadsVariableFilesInOptionsOverridingVariableDefaults(t *testing.T) {
@@ -279,14 +279,14 @@ func TestResourceReferencesInExpressionsAreEvaluated(t *testing.T) {
 	r, err = c.FindResource("output.splat")
 	require.NoError(t, err)
 	cont := r.(*resources.Output)
-	require.Equal(t, "/cache", cont.Value.([]interface{})[0])
-	require.Equal(t, "/cache2", cont.Value.([]interface{})[1])
+	require.Equal(t, "/cache", cont.Value.([]any)[0])
+	require.Equal(t, "/cache2", cont.Value.([]any)[1])
 
 	r, err = c.FindResource("output.splat_with_null")
 	require.NoError(t, err)
 	cont = r.(*resources.Output)
-	require.Equal(t, "test1", cont.Value.([]interface{})[0])
-	require.Equal(t, "test2", cont.Value.([]interface{})[1])
+	require.Equal(t, "test1", cont.Value.([]any)[0])
+	require.Equal(t, "test2", cont.Value.([]any)[1])
 
 	r, err = c.FindResource("output.function")
 	require.NoError(t, err)
@@ -467,7 +467,7 @@ func TestParseModuleCreatesOutputs(t *testing.T) {
 
 	// check element can be obtained from a map of values
 	// returned in the output
-	meta := cont.(*resources.Output).Value.(map[string]interface{})["meta"].(map[string]interface{})
+	meta := cont.(*resources.Output).Value.(map[string]any)["meta"].(map[string]any)
 	require.Equal(t, "base", meta["name"])
 }
 

parser.go

@@ -3,7 +3,6 @@ package hclconfig
 import (
 	"encoding/json"
 	"fmt"
-	"io/ioutil"
 	"os"
 	"path"
 	"path/filepath"
@@ -116,7 +115,7 @@ func (p *Parser) RegisterType(name string, resource types.Resource) {
 // RegisterFunction type registers a custom interpolation function
 // with the given name
 // the parser uses this list to convert hcl defined resources into concrete types
-func (p *Parser) RegisterFunction(name string, f interface{}) error {
+func (p *Parser) RegisterFunction(name string, f any) error {
 	ctyFunc, err := createCtyFunctionFromGoFunc(f)
 	if err != nil {
 		return nil
@@ -243,13 +242,13 @@ func (p *Parser) UnmarshalJSON(d []byte) (*Config, error) {
 	}
 
 	for _, m := range rawMessagesForResources {
-		mm := map[string]interface{}{}
+		mm := map[string]any{}
 		err := json.Unmarshal(*m, &mm)
 		if err != nil {
 			return nil, err
 		}
 
-		meta := mm["meta"].(map[string]interface{})
+		meta := mm["meta"].(map[string]any)
 
 		r, err := p.registeredTypes.CreateResource(meta["type"].(string), meta["name"].(string))
 		if err != nil {
@@ -278,7 +277,7 @@ func (p *Parser) parseDirectory(ctx *hcl.EvalContext, dir string, c *Config) []e
 		return []error{fmt.Errorf("%s is not a directory", dir)}
 	}
 
-	files, err := ioutil.ReadDir(dir)
+	files, err := os.ReadDir(dir)
 	if err != nil {
 		return []error{fmt.Errorf("unable to list files in directory %s, error: %s", dir, err)}
 	}
@@ -891,7 +890,7 @@ func (p *Parser) parseResource(ctx *hcl.EvalContext, c *Config, file string, b *
 				Meta: types.Meta{
 					Name:       name,
 					Type:       b.Labels[0],
-					Properties: map[string]interface{}{},
+					Properties: map[string]any{},
 				},
 			}
 
@@ -1266,7 +1265,7 @@ func buildContext(filePath string, customFunctions map[string]function.Function)
 	return ctx
 }
 
-func decodeBody(ctx *hcl.EvalContext, config *Config, path string, b *hclsyntax.Block, p interface{}, ignoreErrors bool) error {
+func decodeBody(ctx *hcl.EvalContext, config *Config, path string, b *hclsyntax.Block, p any, ignoreErrors bool) error {
 	dr, err := getDependentResources(b, ctx, config, p, "")
 	if err != nil {
 		return err
@@ -1319,7 +1318,7 @@ func decodeBody(ctx *hcl.EvalContext, config *Config, path string, b *hclsyntax.
 // i.e. resource.container.foo.network[0].name
 // when a link is found it is replaced with an empty value of the correct type and the
 // dependent resources are returned to be processed later
-func getDependentResources(b *hclsyntax.Block, ctx *hcl.EvalContext, c *Config, resource interface{}, path string) ([]string, error) {
+func getDependentResources(b *hclsyntax.Block, ctx *hcl.EvalContext, c *Config, resource any, path string) ([]string, error) {
 	references := []string{}
 
 	for _, a := range b.Body.Attributes {

resources/fqrn.go

@@ -1,6 +1,7 @@
 package resources
 
 import (
+	"errors"
 	"fmt"
 	"regexp"
 	"strings"
@@ -64,14 +65,14 @@ func ParseFQRN(fqrn string) (*FQRN, error) {
 	}
 
 	if len(results) < 2 {
-		return nil, fmt.Errorf(formatErrorString(fqrn))
+		return nil, errors.New(formatErrorString(fqrn))
 	}
 
 	switch results["resource"] {
 	case "resource":
 		resourceParts := strings.Split(results["attributes"], ".")
 		if len(resourceParts) < 2 {
-			return nil, fmt.Errorf(formatErrorString(fqrn))
+			return nil, errors.New(formatErrorString(fqrn))
 		}
 
 		typeName = resourceParts[0]
@@ -107,7 +108,7 @@ func ParseFQRN(fqrn string) (*FQRN, error) {
 	case "variable":
 		varParts := strings.Split(results["attributes"], ".")
 		if len(varParts) != 1 {
-			return nil, fmt.Errorf(formatErrorString(fqrn))
+			return nil, errors.New(formatErrorString(fqrn))
 		}
 
 		typeName = TypeVariable
@@ -116,7 +117,7 @@ func ParseFQRN(fqrn string) (*FQRN, error) {
 
 	default:
 		if results["onlymodules"] == "" || !strings.HasPrefix(results["onlymodules"], "module.") {
-			return nil, fmt.Errorf(formatErrorString(fqrn))
+			return nil, errors.New(formatErrorString(fqrn))
 		}
 
 		//module1.module2

resources/locals.go

@@ -11,6 +11,6 @@ const TypeLocal = "local"
 type Local struct {
 	types.ResourceBase `hcl:",remain"`
 
-	CtyValue cty.Value   `hcl:"value,optional"` // value of the output
-	Value    interface{} `json:"value"`
+	CtyValue cty.Value `hcl:"value,optional"` // value of the output
+	Value    any       `json:"value"`
 }

resources/module.go

@@ -16,7 +16,7 @@ type Module struct {
 	Source  string `hcl:"source" json:"source"`
 	Version string `hcl:"version,optional" json:"version,omitempty"`
 
-	Variables interface{} `hcl:"variables,optional" json:"variables,omitempty"`
+	Variables any `hcl:"variables,optional" json:"variables,omitempty"`
 
 	// SubContext is used to store the variables as a context that can be
 	// passed to child resources

resources/output.go

@@ -11,7 +11,7 @@ const TypeOutput = "output"
 type Output struct {
 	types.ResourceBase `hcl:",remain"`
 
-	CtyValue    cty.Value   `hcl:"value,optional"` // value of the output
-	Value       interface{} `json:"value"`
-	Description string      `hcl:"description,optional" json:"description,omitempty"` // description for the output
+	CtyValue    cty.Value `hcl:"value,optional"` // value of the output
+	Value       any       `json:"value"`
+	Description string    `hcl:"description,optional" json:"description,omitempty"` // description for the output
 }

resources/variable.go

@@ -7,6 +7,6 @@ const TypeVariable = "variable"
 // Output defines an output variable which can be set by a module
 type Variable struct {
 	types.ResourceBase `hcl:",remain"`
-	Default            interface{} `hcl:"default" json:"default"`                            // default value for a variable
-	Description        string      `hcl:"description,optional" json:"description,omitempty"` // description of the variable
+	Default            any    `hcl:"default" json:"default"`                            // default value for a variable
+	Description        string `hcl:"description,optional" json:"description,omitempty"` // description of the variable
 }

schematest/example.go

@@ -7,12 +7,13 @@ import (
 	"encoding/json"
 	"fmt"
 	"reflect"
-	"strings"
 
-	"github.com/hashicorp/hcl/v2/gohcl"
 	"github.com/hashicorp/hcl/v2"
-	"github.com/hashicorp/hcl/v2/hclsyntax"
+	"github.com/hashicorp/hcl/v2/gohcl"
 	"github.com/hashicorp/hcl/v2/hclparse"
+	"github.com/hashicorp/hcl/v2/hclsyntax"
+	"golang.org/x/text/cases"
+	"golang.org/x/text/language"
 )
 
 type Schema struct {
@@ -95,7 +96,7 @@ func createDynamicType(s *Schema) reflect.Type {
 		t := getType(f.Type)
 		if t != nil {
 			field := reflect.StructField{
-				Name: strings.Title(f.Name),
+				Name: cases.Title(language.English).String(f.Name),
 				Type: getType(f.Type),
 				Tag:  reflect.StructTag(fmt.Sprintf(`hcl:"%s,optional"`, f.Name)),
 			}

test_fixtures/structs/template.go

@@ -14,11 +14,11 @@ type Template struct {
 
 	Depends []string `hcl:"depends_on,optional" json:"depends,omitempty"`
 
-	Source       string                 `hcl:"source" json:"source"`                // Source template to be processed as string
-	Destination  string                 `hcl:"destination" json:"destination"`      // Destination filename to write
-	Vars         cty.Value              `hcl:"vars,optional" json:"vars,omitempty"` // Variables to be processed in the template
-	InternalVars map[string]interface{} // stores a converted go type version of the hcl.Value types
-	AppendFile   bool                   `hcl:"append_file,optional" json:"append_file,omitempty"`
+	Source       string         `hcl:"source" json:"source"`                // Source template to be processed as string
+	Destination  string         `hcl:"destination" json:"destination"`      // Destination filename to write
+	Vars         cty.Value      `hcl:"vars,optional" json:"vars,omitempty"` // Variables to be processed in the template
+	InternalVars map[string]any // stores a converted go type version of the hcl.Value types
+	AppendFile   bool           `hcl:"append_file,optional" json:"append_file,omitempty"`
 }
 
 func (t *Template) Process() error {