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https://github.com/nikolaydubina/htmljson

🫐 Rich rendering of JSON as HTML in Go
https://github.com/nikolaydubina/htmljson

code-editor code-formatting code-visualization data-formatting go golang html json rendering test-editor visualization

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🫐 Rich rendering of JSON as HTML in Go

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## 🫐 htmljson: rich rendering of JSON as HTML in Go

[![codecov](https://codecov.io/gh/nikolaydubina/htmljson/branch/master/graph/badge.svg?token=yXmNdIDn8O)](https://codecov.io/gh/nikolaydubina/htmljson)
[![Go Report Card](https://goreportcard.com/badge/github.com/nikolaydubina/htmljson)](https://goreportcard.com/report/github.com/nikolaydubina/htmljson)
[![Go Reference](https://pkg.go.dev/badge/github.com/nikolaydubina/htmljson.svg)](https://pkg.go.dev/github.com/nikolaydubina/htmljson)
[![Mentioned in Awesome Go](https://awesome.re/mentioned-badge.svg)](https://github.com/avelino/awesome-go)
[![OpenSSF Scorecard](https://api.securityscorecards.dev/projects/github.com/nikolaydubina/htmljson/badge)](https://securityscorecards.dev/viewer/?uri=github.com/nikolaydubina/htmljson)

* pure Go
* no Javascript
* no dependencies
* no `reflect`
* no `fmt`
* 300 LOC
* customizable rendering
* JSON Path for elements access

![](./doc/example-color.png)

```go
// JSON has to be any
var v any
json.Unmarshal(exampleJSON, &v)

htmlPage := htmljson.DefaultPageMarshalerm.Marshal(v)
```

```go
// JSON has to be any
var v any
json.Unmarshal(exampleJSON, &v)

// customize how to render HTML elements
s := htmljson.Marshaler{
Null: htmljson.NullHTML,
Bool: htmljson.BoolHTML,
String: htmljson.StringHTML,
Number: func(k string, v float64, s string) string {
if k == "$.cakes.strawberry-cake.size" {
return `

` + s + `
`
}
if v > 10 {
return `
` + s + `
`
}
return `
` + s + `
`
},
Array: htmljson.DefaultArrayHTML,
Map: htmljson.DefaultMapHTML,
Row: htmljson.DefaultRowHTML{Padding: 4}.Marshal,
}

m := htmljson.DefaultPageMarshaler
m.Marshaler = &s

// write HTML page
htmlPage := m.Marshal(v)
```

## Related Work

- https://github.com/alecthomas/chroma can render many languages into HTML with syntax highligting