github.com/buildpacks/pack@v0.33.3-0.20240516162812-884dd1837311/internal/inspectimage/writer/json.go (about)

     1  package writer
     2  
     3  import (
     4  	"bytes"
     5  	"encoding/json"
     6  )
     7  
     8  type JSON struct {
     9  	StructuredFormat
    10  }
    11  
    12  func NewJSON() *JSON {
    13  	return &JSON{
    14  		StructuredFormat: StructuredFormat{
    15  			MarshalFunc: func(i interface{}) ([]byte, error) {
    16  				buf := bytes.NewBuffer(nil)
    17  				if err := json.NewEncoder(buf).Encode(i); err != nil {
    18  					return []byte{}, err
    19  				}
    20  
    21  				formattedBuf := bytes.NewBuffer(nil)
    22  				if err := json.Indent(formattedBuf, buf.Bytes(), "", "  "); err != nil {
    23  					return []byte{}, err
    24  				}
    25  				return formattedBuf.Bytes(), nil
    26  			},
    27  		},
    28  	}
    29  }