json2go @ 917fe25

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         package main

      
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        -// todo: piped / sedin

      
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        -// todo: passed as argument

      
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        -// todo: read from file

      
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        -// todo: set name of the type

      
        
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        +import (

      
        
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        +	"flag"

      
        
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        +	"fmt"

      
        
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        +	"io"

      
        
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        +	"os"

      
        
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        +

      
        
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        +	"olexsmir.xyz/json2go"

      
        
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        +)

      
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         func main() {

      
        
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        +	typeName := flag.String("type", "AutoGenerated", "a name for generated type")

      
        
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        +	showHelp := flag.Bool("help", false, "show help")

      
        
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        +	flag.Parse()

      
        
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        +

      
        
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        +	if *showHelp {

      
        
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        +		printHelp()

      
        
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        +		os.Exit(0)

      
        
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        +	}

      
        
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        +

      
        
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        +	// get input

      
        
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        +	args := flag.Args()

      
        
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        +

      
        
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        +	stat, err := os.Stdin.Stat()

      
        
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        +	if err != nil {

      
        
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        +		panic(err)

      
        
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        +	}

      
        
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        +

      
        
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        +	isPiped := (stat.Mode() & os.ModeCharDevice) == 0

      
        
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        +

      
        
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        +	var input string

      
        
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        +	switch {

      
        
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        +	case len(args) > 0:

      
        
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        +		input = args[0]

      
        
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        +	case isPiped:

      
        
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        +		data, rerr := io.ReadAll(os.Stdin)

      
        
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        +		if rerr != nil {

      
        
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        +			panic(rerr)

      
        
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        +		}

      
        
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        +		input = string(data)

      
        
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        +	default:

      
        
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        +		printHelp()

      
        
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        +		os.Exit(1)

      
        
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        +	}

      
        
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        +

      
        
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        +	transformer := json2go.NewTransformer()

      
        
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        +	type_, err := transformer.Transform(*typeName, input)

      
        
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        +	if err != nil {

      
        
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        +		panic(err)

      
        
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        +	}

      
        
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        +

      
        
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        +	fmt.Println(type_)

      
        
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        +}

      
        
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        +

      
        
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        +func printHelp() {

      
        
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        +	fmt.Println(`

      
        
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        +Convert json to Go type annotations.

      
        
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        +

      
        
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        +Usage:

      
        
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        +	echo '{"json": "here"}' | json2go

      
        
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        +	echo '{"json": "here"}' | json2go -type=MyTypeName

      
        
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        +	json2go -type=MyTypeName '{"json": "here"}'`[1:])

      
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         }