chore: define types explictly

preview/apitypes/apitypes.go

@@ -3,7 +3,8 @@ package apitypes
 import (
 "time"
 
-"github.com/coder/preview"
+"github.com/hashicorp/hcl/v2"
+
 "github.com/coder/preview/types"
 )
 
@@ -33,14 +34,19 @@ const (
 )
 
 type PreviewOutput struct {
-Output *preview.Output `json:"output"`
+Output *Output  `json:"output"`
 Diags types.Diagnostics `json:"diags"`
 // ParserLogs are trivy logs that occur during parsing the
 // Terraform files. This is useful for debugging issues with the
 // invalid terraform syntax.
 ParserLogs []ParserLog `json:"parser_logs,omitempty"`
 }
 
+type Output struct {
+Parameters []ParameterWithSource `json:"parameters"`
+Files map[string]*hcl.File `json:"files"`
+}
+
 type ParserLog struct {
 Time time.Time `json:"time"`
 Level string `json:"level"`
@@ -53,3 +59,24 @@ type ParserLog struct {
 type NullHCLString = types.NullHCLString
 
 type FriendlyDiagnostic = types.FriendlyDiagnostic
+
+type ParameterWithSource struct {
+types.Parameter
+TypeRange hcl.Range `json:"type_range"`
+}
+
+func WithSource(p []types.Parameter) []ParameterWithSource {
+result := make([]ParameterWithSource, 0, len(p))
+for _, param := range p {
+src := ParameterWithSource{
+Parameter: param,
+}
+
+if param.Source != nil {
+src.TypeRange = param.Source.HCLBlock().TypeRange
+}
+
+result = append(result, src)
+}
+return result
+}

preview/main.go

@@ -86,7 +86,10 @@ func tfpreview(this js.Value, p []js.Value) (output any) {
 }, tf)
 
 data, _ := json.Marshal(apitypes.PreviewOutput{
-Output: pOutput,
+Output: &apitypes.Output{
+Parameters: apitypes.WithSource(pOutput.Parameters),
+Files: pOutput.Files,
+},
 Diags: types.Diagnostics(diags),
 ParserLogs: l.entries,
 })