feat: add cue util to convert jsonschema to cue

Signed-off-by: Nithish <nithishkarthik01@gmail.com>

helpers/component_info.json

@@ -1,5 +1,5 @@
 {
   "name": "meshkit",
   "type": "library",
-  "next_error_code": 11087
+  "next_error_code": 11088
 }

utils/cue.go

@@ -3,7 +3,9 @@ package utils
 import (
 	"cuelang.org/go/cue"
 	"cuelang.org/go/cue/cuecontext"
+	"cuelang.org/go/cue/format"
 	"cuelang.org/go/encoding/json"
+	"cuelang.org/go/encoding/jsonschema"
 	"cuelang.org/go/encoding/yaml"
 )
 
@@ -42,3 +44,31 @@ func YamlToCue(value string) (cue.Value, error) {
 	}
 	return out, nil
 }
+
+func JsonSchemaToCue(value string) (cue.Value, error) {
+	var out cue.Value
+	jsonSchema, err := json.Extract("", []byte(value))
+	if err != nil {
+		return out, ErrJsonSchemaToCue(err)
+	}
+	cueCtx := cuecontext.New()
+	cueJsonSchemaExpr := cueCtx.BuildExpr(jsonSchema)
+	if err := cueJsonSchemaExpr.Err(); err != nil {
+		return out, ErrJsonSchemaToCue(err)
+	}
+	extractedSchema, err := jsonschema.Extract(cueJsonSchemaExpr, &jsonschema.Config{
+		PkgName: "jsonschemeconv",
+	})
+	if err != nil {
+		return out, ErrJsonSchemaToCue(err)
+	}
+	src, err := format.Node(extractedSchema)
+	if err != nil {
+		return out, ErrJsonSchemaToCue(err)
+	}
+	out = cueCtx.CompileString(string(src))
+	if out.Err() != nil {
+		return out, ErrJsonSchemaToCue(out.Err())
+	}
+	return out, nil
+}

utils/error.go

@@ -26,8 +26,13 @@ var (
 	ErrExpectedTypeMismatchCode      = "11079"
 	ErrJsonToCueCode                 = "11085"
 	ErrYamlToCueCode                 = "11086"
+	ErrJsonSchemaToCueCode           = "11087"
 )
 
+func ErrJsonSchemaToCue(err error) error {
+	return errors.New(ErrJsonSchemaToCueCode, errors.Alert, []string{"Could not convert given JsonSchema into a CUE Value"}, []string{err.Error()}, []string{"Invalid jsonschema"}, []string{"Make sure that the given value is a valid JSONSCHEMA"})
+}
+
 func ErrYamlToCue(err error) error {
 	return errors.New(ErrYamlToCueCode, errors.Alert, []string{"Could not convert given yaml object into a CUE Value"}, []string{err.Error()}, []string{"Invalid yaml"}, []string{"Make sure that the given value is a valid YAML"})
 }