Description
jsoncolor is a drop-in replacement for encoding/json's Marshal and MarshalIndent functions which produce colorized output using fatih's color package.
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README
jsoncolor
jsoncolor is a drop-in replacement for encoding/json's Marshal
and MarshalIndent functions and Encoder type which produce
colorized output using fatih's color
package.
Installation
go get -u github.com/nwidger/jsoncolor
Usage
To use as a replacement for encoding/json, exchange
import "encoding/json" with import json "github.com/nwidger/jsoncolor".
json.Marshal, json.MarshalIndent and json.NewEncoder will now
produce colorized output.
Custom Colors
The colors used for each type of token can be customized by creating a
custom Formatter, changing its XXXColor fields and then passing it
to MarshalWithFormatter, MarshalIndentWithFormatter or
NewEncoderWithFormatter. If a XXXColor field of the custom
Formatter is not set, the corresponding DefaultXXXColor package
variable is used. See
color.New for creating
custom color values and the
GoDocs
for the default colors.
import (
"fmt"
"log"
"github.com/fatih/color"
json "github.com/nwidger/jsoncolor"
)
// create custom formatter
f := json.NewFormatter()
// set custom colors
f.StringColor = color.New(color.FgBlack, color.Bold)
f.TrueColor = color.New(color.FgWhite, color.Bold)
f.FalseColor = color.New(color.FgRed)
f.NumberColor = color.New(color.FgWhite)
f.NullColor = color.New(color.FgWhite, color.Bold)
// marshal v with custom formatter,
// dst contains colorized output
dst, err := json.MarshalWithFormatter(v, f)
if err != nil {
log.Fatal(err)
}
// print colorized output to stdout
fmt.Println(string(dst))