yudppp / json_snake_case

go generate snake case json

json_snake_case

about

json snake case tag generater.

Installation

$ go get github.com/yudppp/json_snake_case/cmd/json_snake_case

How to use

package main

import (
	"encoding/json"
	"fmt"
)

type User struct {
	UserID int
	Name   string
}

func main() {
	user := User{UserID: 10, Name: "yudppp"}
	b, _ := json.Marshal(&user)
	fmt.Println(string(b))
}

the above print {"UserID":10,"Name":"yudppp"}

$ cd path/to/app
$ json_snake_case -type=User

Generated user_json.go file.

And go run again. This print {"user_id":10,"name":"yudppp"}

go generate

...

//go:generate json_snake_case -type=User
type User struct {
	UserID int
	Name   string
}

...

$ go generate

Examples

type User struct {
	UserID int
	Name   string
}
// -->
type UserJSON struct {
	UserID int    `json:"user_id"`
	Name   string `json:"name"`
}

type User struct {
	UserID int     `json:"-"`
	Name   string  `json:"nickname"`
  Email  *string `json:",omitempty"`
}
// -->
type UserJSON struct {
	UserID int     `json:"-"`
	Name   string  `json:"nickname"`
	Email  *string `json:"email,omitempty"`
}

TODO

• add test code

License

The MIT License (MIT)