package main

import (
	//"fmt"
	"strings"
	"unicode/utf8"
)

var key string="name"

func main() {
	//apostrophe
	src := "aaaaaaaaaa`"
	src += `
			bbbbbbbbbbbb
			cccccccccccccccc
	`
	src += "`ddddddddddddd"
	println( PrepareJS(src) )
}

func PrepareJS(src string) string {
	
	idx := 0
	b:= new(strings.Builder)
	escape := false
	
	for idx < len(src) {
		rune, adj := utf8.DecodeRuneInString( src[idx:] )
		
		if rune == '\n' {
			if escape {
				b.WriteString(`\`)
				b.WriteRune(rune)
			}else{
				b.WriteRune(rune)
			}
		}else if rune == '`'{
			if escape {
				escape = false
			}else{
				escape = true
			}
			b.WriteString(`"`)
		}else{
			b.WriteRune(rune)
		}
		idx += adj
	}
	
	return b.String()
}