LZ-string decoder in go flems.io

README.md

LZ-string decoder in go

I was playing with https://flems.io/ and wondered how it stores data.

• locally it uses localstorage
• but state is preserved in url (bookmarkable POC)

Example link: http://flems.io

Usage

$ curl -L https://gist.githubusercontent.com/lalyos/ccc6473ffaadb3cddc9bd0422126f761/raw/lzstring.txt \
  | go run lz.go 

go.mod

module github.com/lalyos/lz

go 1.19

require github.com/Lazarus/lz-string-go v0.0.0-20220923232958-c256c46c2022 // indirect

go.sum

github.com/Lazarus/lz-string-go v0.0.0-20220923232958-c256c46c2022 h1:hKm9YZMsKTfEoWzsHFEiaS3hMUacsjxlJZl8FOFN9fw=
github.com/Lazarus/lz-string-go v0.0.0-20220923232958-c256c46c2022/go.mod h1:zhKAxszD+dMWmLOH6zlemBxkK+agsDEO2zabxpfgTik=

lz.go

package main

import (
	"fmt"
	"io/ioutil"
	"os"

	lzstring "github.com/Lazarus/lz-string-go"
)

func main() {
	// code := lzstring.Compress("Hello", "")
	// fmt.Println("lzcoded:", code)

	inp, _ := ioutil.ReadAll(os.Stdin)
	decoded, _ := lzstring.Decompress(string(inp), "")
	fmt.Println("dec:", decoded)
}

lzstring.txt

N4IgzgpgNhDGAuEAmIBcIB0ALeBbKIANCLAPYB2YpMaJ1UAhgA6QrEBmAljGGgNqhyDXBFrY8BYmXKIZtADxJOANwAEADwC0SBvAYBeADohgqoSNSqA5ABUATg07knAcysBfYwD5D5VQHVoMhFVeTAmBj8tRHV4IxBzCGNVAHofcnkUpWV033k9ACMYVQLSOyQIOw1tXQNjU19VJuasCAYKuzBLPisAOWEIK0JrAEEXQYBdQkbmpoBXSE7umdnV5uBE1CsAKwhyUiHVBnHLAEZT92m-NZuNga3xgC8GQ+OISwBmAFZLlZvZu4WHbUSKvE6qABMAHZftd-rMJqpPCB0k18q12qjmvk7Fi0YhcExGIhquwyvEMUhVE5VJTKmBvH98VhqjE4sZKckvJl4Fg8aEUgSiboIPyebiZjzKVjJULiRBSeTjAtKtS-CrOoy4aF4LjVEydVTohBYvENRhEt4BfAkPz8UbNGyzYsMG8rTzbX9xVieRBCfL0jyGEVRb5fCBLoIBmJtrwpBRZPBaBHCFGRGJYGA43QZHsk+gI1MQFAnABrXioAQJaPoBhQJhOCCxoggOZ2AjoHDwFioFIpObkJillwYYIpOsN8hNsAAAQ+GFOAAYMBCspwwPAUrAkOQMLgnBhm8R4ABPJiidBgWB2ThMJPuIuJWgTxuOiAbzSlgAcYEdDicriaOwdgJnsKDuEAA