Files
poiesis/internal/builtin/wrapper.go
2026-01-27 20:04:36 -05:00

82 lines
2.1 KiB
Go

package builtin
import (
"context"
"encoding/json"
"fmt"
"modernc.org/quickjs"
)
func createWrapper[T Args, R any](fn Func[T, R], isAsync bool) interface{} {
if !isAsync {
return createSyncWrapper[T, R](fn)
}
return createAsyncWrapper[T, R](fn)
}
func createSyncWrapper[T Args, R any](fn Func[T, R]) interface{} {
return func(rawArgs any) (R, error) {
var zero R
var args T
obj, ok := rawArgs.(*quickjs.Object)
if ok {
jsonData, err := obj.MarshalJSON()
if err != nil {
return zero, fmt.Errorf("failed to marshal args: %w", err)
}
if err := json.Unmarshal(jsonData, &args); err != nil {
return zero, fmt.Errorf("failed to unmarshal args: %w", err)
}
} else if rawArgs != nil && rawArgs != quickjs.UndefinedValue {
jsonData, err := json.Marshal(rawArgs)
if err != nil {
return zero, fmt.Errorf("failed to marshal args: %w", err)
}
if err := json.Unmarshal(jsonData, &args); err != nil {
return zero, fmt.Errorf("failed to unmarshal args: %w", err)
}
}
if err := args.Validate(); err != nil {
return zero, fmt.Errorf("argument validation failed: %w", err)
}
ctx := context.Background()
return fn(ctx, args)
}
}
func createAsyncWrapper[T Args, R any](fn Func[T, R]) interface{} {
return func(rawArgs any) (any, error) {
var args T
obj, ok := rawArgs.(*quickjs.Object)
if ok {
jsonData, err := obj.MarshalJSON()
if err != nil {
return nil, fmt.Errorf("failed to marshal args: %w", err)
}
if err := json.Unmarshal(jsonData, &args); err != nil {
return nil, fmt.Errorf("failed to unmarshal args: %w", err)
}
} else if rawArgs != nil && rawArgs != quickjs.UndefinedValue {
jsonData, err := json.Marshal(rawArgs)
if err != nil {
return nil, fmt.Errorf("failed to marshal args: %w", err)
}
if err := json.Unmarshal(jsonData, &args); err != nil {
return nil, fmt.Errorf("failed to unmarshal args: %w", err)
}
}
if err := args.Validate(); err != nil {
return nil, fmt.Errorf("argument validation failed: %w", err)
}
ctx := context.Background()
return fn(ctx, args)
}
}