grafana/pkg/codegen/generators/ts_generator.go

57 lines
1.4 KiB
Go

package generators
import (
"fmt"
"cuelang.org/go/cue"
"cuelang.org/go/cue/cuecontext"
"github.com/grafana/cuetsy"
"github.com/grafana/cuetsy/ts"
"github.com/grafana/cuetsy/ts/ast"
)
type TSConfig struct {
CuetsyConfig *cuetsy.Config
IsGroup bool
RootName string
}
// GenerateTypesTS generates native TypeScript types and defaults corresponding to
// the provided Schema.
func GenerateTypesTS(v cue.Value, cfg *TSConfig) (*ast.File, error) {
if cfg == nil {
return nil, fmt.Errorf("configuration cannot be empty")
}
if cfg.CuetsyConfig == nil {
cfg.CuetsyConfig = &cuetsy.Config{
Export: true,
}
}
// Thema #schema was a unification between the schema and cue.TopKind(_). For any reason, without this unification,
// cuetsy fails finding some enums ¯\_(ツ)_/¯.
oldSchema := cuecontext.New().CompileBytes([]byte("_"))
schdef := v.LookupPath(cue.ParsePath("lineage.schemas[0].schema")).Unify(oldSchema)
tf, err := cuetsy.GenerateAST(schdef, *cfg.CuetsyConfig)
if err != nil {
return nil, fmt.Errorf("generating TS for child elements of schema failed: %w", err)
}
file := &ts.File{
Nodes: tf.Nodes,
}
if !cfg.IsGroup {
top, err := cuetsy.GenerateSingleAST(cfg.RootName, schdef, cuetsy.TypeInterface)
if err != nil {
return nil, fmt.Errorf("generating TS for schema root failed: %w", err)
}
file.Nodes = append(file.Nodes, top.T)
if top.D != nil {
file.Nodes = append(file.Nodes, top.D)
}
}
return file, nil
}