LOGGER

A customizable, minimal, zero-allocation logger for Go CLI

Overview

logger is a high-performance, customizable logging library designed for Go CLI applications. It acts as a wrapper around the standard log/slog package, providing a polished, colorful, and human-friendly output format by default.

Features

• log/slog compatible
• Zero allocation in hot paths
• Rich coloring
• Flexible styling

Example

examples/main.go

dark

light

Benchmarks

benchmarks/benchmark_test.go

$ make bench
go test -bench . -benchmem -count 5 -benchtime=10000x -cpuprofile=cpu.prof -memprofile=mem.prof ./benchmarks/
goos: darwin
goarch: arm64
pkg: github.com/nekrassov01/logger/benchmarks
cpu: Apple M2
BenchmarkCLIHandler_Basic-8                10000              1563 ns/op            2098 B/op          0 allocs/op
BenchmarkCLIHandler_Basic-8                10000               952.3 ns/op          2098 B/op          0 allocs/op
BenchmarkCLIHandler_Basic-8                10000               791.6 ns/op          2098 B/op          0 allocs/op
BenchmarkCLIHandler_Basic-8                10000               766.9 ns/op          2098 B/op          0 allocs/op
BenchmarkCLIHandler_Basic-8                10000               623.3 ns/op          2098 B/op          0 allocs/op
BenchmarkCLIHandler_Basic_Parallel-8       10000               746.8 ns/op          2102 B/op          0 allocs/op
BenchmarkCLIHandler_Basic_Parallel-8       10000               715.4 ns/op          2100 B/op          0 allocs/op
BenchmarkCLIHandler_Basic_Parallel-8       10000               694.5 ns/op          2102 B/op          0 allocs/op
BenchmarkCLIHandler_Basic_Parallel-8       10000               644.6 ns/op          2103 B/op          0 allocs/op
BenchmarkCLIHandler_Basic_Parallel-8       10000               618.3 ns/op          2102 B/op          0 allocs/op
BenchmarkCLIHandler_Attr-8                 10000              2318 ns/op            3630 B/op          8 allocs/op
BenchmarkCLIHandler_Attr-8                 10000              2295 ns/op            3629 B/op          8 allocs/op
BenchmarkCLIHandler_Attr-8                 10000              2218 ns/op            3629 B/op          8 allocs/op
BenchmarkCLIHandler_Attr-8                 10000              2190 ns/op            3628 B/op          8 allocs/op
BenchmarkCLIHandler_Attr-8                 10000              2148 ns/op            3629 B/op          8 allocs/op
BenchmarkCLIHandler_Attr_Parallel-8        10000              2322 ns/op            2375 B/op          8 allocs/op
BenchmarkCLIHandler_Attr_Parallel-8        10000              2312 ns/op            2374 B/op          8 allocs/op
BenchmarkCLIHandler_Attr_Parallel-8        10000              2660 ns/op            2375 B/op          8 allocs/op
BenchmarkCLIHandler_Attr_Parallel-8        10000              2570 ns/op            2373 B/op          8 allocs/op
BenchmarkCLIHandler_Attr_Parallel-8        10000              2783 ns/op            2375 B/op          8 allocs/op
PASS
ok      github.com/nekrassov01/logger/benchmarks        0.772s

Installation

go get github.com/nekrassov01/logger

Todo

• Integration with SDKs other than AWS SDK

Author

nekrassov01

License

MIT