docs: update readme to v0.4.0

internal/outputter/outputter.go

@@ -1,78 +0,0 @@
-package outputter
-
-import (
-	"encoding/csv"
-	"errors"
-	"io"
-	"os"
-	"path/filepath"
-
-	"github.com/gocarina/gocsv"
-	jsoniter "github.com/json-iterator/go"
-
-	"hack-browser-data/internal/browingdata"
-)
-
-type OutPutter struct {
-	json bool
-	csv  bool
-}
-
-func New(flag string) *OutPutter {
-	o := &OutPutter{}
-	if flag == "json" {
-		o.json = true
-	} else {
-		o.csv = true
-	}
-	return o
-}
-
-func (o *OutPutter) Write(data browingdata.Source, writer io.Writer) error {
-	switch o.json {
-	case true:
-		encoder := jsoniter.NewEncoder(writer)
-		encoder.SetIndent("  ", "  ")
-		encoder.SetEscapeHTML(false)
-		return encoder.Encode(data)
-	default:
-		gocsv.SetCSVWriter(func(w io.Writer) *gocsv.SafeCSVWriter {
-			writer := csv.NewWriter(w)
-			writer.Comma = ','
-			return gocsv.NewSafeCSVWriter(writer)
-		})
-		return gocsv.Marshal(data, writer)
-	}
-}
-
-func (o *OutPutter) CreateFile(dir, filename string) (*os.File, error) {
-	if filename == "" {
-		return nil, errors.New("empty filename")
-	}
-
-	if dir != "" {
-		if _, err := os.Stat(dir); os.IsNotExist(err) {
-			err := os.MkdirAll(dir, 0777)
-			if err != nil {
-				return nil, err
-			}
-		}
-	}
-
-	var file *os.File
-	var err error
-	p := filepath.Join(dir, filename)
-	file, err = os.OpenFile(p, os.O_TRUNC|os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0666)
-	if err != nil {
-		return nil, err
-	}
-	return file, nil
-}
-
-func (o *OutPutter) Ext() string {
-	if o.json {
-		return ".json"
-	} else {
-		return ".csv"
-	}
-}