https://github.com/PumpkinSeed/slog-context

slog: Context handler
https://github.com/PumpkinSeed/slog-context

context golang slog

Last synced: about 2 months ago
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slog: Context handler

• Host: GitHub
• URL: https://github.com/PumpkinSeed/slog-context
• Owner: PumpkinSeed
• License: mit
• Created: 2023-08-15T10:23:54.000Z (over 1 year ago)
• Default Branch: main
• Last Pushed: 2024-05-28T11:07:38.000Z (8 months ago)
• Last Synced: 2024-11-13T11:43:23.735Z (2 months ago)
• Topics: context, golang, slog
• Language: Go
• Homepage:
• Size: 10.7 KB
• Stars: 23
• Watchers: 3
• Forks: 3
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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• awesome-slog - slog-context - value pairs to log records through context. (Enrichment)

README

        
# slog: Context handler

![Go Version](https://img.shields.io/badge/Go-%3E%3D%201.21-%23007d9c)

A Context Handler for [slog](https://pkg.go.dev/log/slog) Go library.

## Install

```sh

go get github.com/PumpkinSeed/slog-context

```

## Usage

GoDoc: [https://pkg.go.dev/github.com/PumpkinSeed/slog-context](https://pkg.go.dev/github.com/PumpkinSeed/slog-context)

### Example

```go

package main

import (

	"context"

	"log/slog"

	"os"

	"github.com/PumpkinSeed/slog-context"

)

type Struct struct {

	Number int64

	String string

}

func main() {

	// Add slogcontext.Handler to slog

	slog.SetDefault(slog.New(slogcontext.NewHandler(slog.NewJSONHandler(os.Stdout, nil))))

	// Add values to context

	ctx := slogcontext.WithValue(context.Background(), "number", 12)

	ctx = slogcontext.WithValue(ctx, "string", "data")

	ctx = slogcontext.WithValue(ctx, "struct", Struct{

		Number: 42,

		String: "struct_data",

	})

	// Perform error log

	slog.ErrorContext(ctx, "this is an error")

}

```

### Output

```json

{"time":"2023-08-15T13:36:50.207418292+02:00","level":"ERROR","msg":"this is an error","number":12,"string":"data","struct":{"Number":42,"String":"struct_data"}}

```