some minor code cleanup + use new ansi library for logging middleware example

Author: Dean Karn

README.md

@@ -1,14 +1,14 @@
 ##LARS
 <img align="right" src="https://raw.githubusercontent.com/go-playground/lars/master/examples/README/test.gif">
-![Project status](https://img.shields.io/badge/version-3.6.0-green.svg)
+![Project status](https://img.shields.io/badge/version-3.7.0-green.svg)
 [![Build Status](https://semaphoreci.com/api/v1/projects/4351aa2d-2f94-40be-a6ef-85c248490378/679708/badge.svg)](https://semaphoreci.com/joeybloggs/lars)
 [![Coverage Status](https://coveralls.io/repos/github/go-playground/lars/badge.svg?branch=master)](https://coveralls.io/github/go-playground/lars?branch=master)
 [![Go Report Card](https://goreportcard.com/badge/go-playground/lars)](https://goreportcard.com/report/go-playground/lars)
 [![GoDoc](https://godoc.org/github.com/go-playground/lars?status.svg)](https://godoc.org/github.com/go-playground/lars)
 ![License](https://img.shields.io/dub/l/vibe-d.svg)
 [![Gitter](https://badges.gitter.im/go-playground/lars.svg)](https://gitter.im/go-playground/lars?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge)
 
-LARS is a fast radix-tree based, zero allocation, HTTP router for Go.  [ view examples](https://github.com/go-playground/lars/tree/master/examples)
+LARS is a fast radix-tree based, zero allocation, HTTP router for Go.  [ view examples](https://github.com/go-playground/lars/tree/master/examples). If looking for a more pure Go solution, be sure to check out [pure](https://github.com/go-playground/pure) which is essentially a pure version of lars
 
 Why Another HTTP Router?
 ------------------------

examples/middleware/logging-recovery/logging_recovery.go

@@ -6,35 +6,15 @@ import (
 	"runtime"
 	"time"
 
+	"github.com/go-playground/ansi"
 	"github.com/go-playground/lars"
 )
 
-// ANSIEscSeq is a predefined ANSI escape sequence
-type ANSIEscSeq string
-
-// ANSI escape sequences
-// NOTE: in an standard xterm terminal the light colors will appear BOLD instead of the light variant
 const (
-	Black        ANSIEscSeq = "\x1b[30m"
-	DarkGray                = "\x1b[30;1m"
-	Blue                    = "\x1b[34m"
-	LightBlue               = "\x1b[34;1m"
-	Green                   = "\x1b[32m"
-	LightGreen              = "\x1b[32;1m"
-	Cyan                    = "\x1b[36m"
-	LightCyan               = "\x1b[36;1m"
-	Red                     = "\x1b[31m"
-	LightRed                = "\x1b[31;1m"
-	Magenta                 = "\x1b[35m"
-	LightMagenta            = "\x1b[35;1m"
-	Brown                   = "\x1b[33m"
-	Yellow                  = "\x1b[33;1m"
-	LightGray               = "\x1b[37m"
-	White                   = "\x1b[37;1m"
-	Underscore              = "\x1b[4m"
-	Blink                   = "\x1b[5m"
-	Inverse                 = "\x1b[7m"
-	Reset                   = "\x1b[0m"
+	status500 = ansi.Underline + ansi.Blink + ansi.Red
+	status400 = ansi.Red
+	status300 = ansi.Yellow
+	status    = ansi.Green
 )
 
 // LoggingAndRecovery handle HTTP request logging + recovery
@@ -46,34 +26,31 @@ func LoggingAndRecovery(c lars.Context) {
 		if err := recover(); err != nil {
 			trace := make([]byte, 1<<16)
 			n := runtime.Stack(trace, true)
-			log.Printf(" %srecovering from panic: %+v\nStack Trace:\n %s%s", Red, err, trace[:n], Reset)
+			log.Printf(" %srecovering from panic: %+v\nStack Trace:\n %s%s", ansi.Red, err, trace[:n], ansi.Reset)
 			HandlePanic(c, trace[:n])
 			return
 		}
 	}()
 
 	c.Next()
 
-	var color string
-
+	color := status
 	res := c.Response()
 	req := c.Request()
 	code := res.Status()
 
 	switch {
 	case code >= http.StatusInternalServerError:
-		color = Underscore + Blink + Red
+		color = status500
 	case code >= http.StatusBadRequest:
-		color = Red
+		color = status400
 	case code >= http.StatusMultipleChoices:
-		color = Yellow
-	default:
-		color = Green
+		color = status300
 	}
 
 	t2 := time.Now()
 
-	log.Printf("%s %d %s[%s%s%s] %q %v %d\n", color, code, Reset, color, req.Method, Reset, req.URL, t2.Sub(t1), res.Size())
+	log.Printf("%s %d %s[%s%s%s] %q %v %d\n", color, code, ansi.Reset, color, req.Method, ansi.Reset, req.URL, t2.Sub(t1), res.Size())
 }
 
 // HandlePanic handles graceful panic by redirecting to friendly error page or rendering a friendly error page.

lars.go

@@ -13,23 +13,23 @@ import (
 // HTTP Constant Terms and Variables
 const (
 	// CONNECT HTTP method
-	CONNECT = "CONNECT"
+	CONNECT = http.MethodConnect
 	// DELETE HTTP method
-	DELETE = "DELETE"
+	DELETE = http.MethodDelete
 	// GET HTTP method
-	GET = "GET"
+	GET = http.MethodGet
 	// HEAD HTTP method
-	HEAD = "HEAD"
+	HEAD = http.MethodHead
 	// OPTIONS HTTP method
-	OPTIONS = "OPTIONS"
+	OPTIONS = http.MethodOptions
 	// PATCH HTTP method
-	PATCH = "PATCH"
+	PATCH = http.MethodPatch
 	// POST HTTP method
-	POST = "POST"
+	POST = http.MethodPost
 	// PUT HTTP method
-	PUT = "PUT"
+	PUT = http.MethodPut
 	// TRACE HTTP method
-	TRACE = "TRACE"
+	TRACE = http.MethodTrace
 
 	//-------------
 	// Media types

node.go

@@ -11,7 +11,6 @@ import "net/url"
 type nodeType uint8
 
 const (
-	// isStatic nodeType = iota // default
 	isRoot nodeType = iota + 1
 	hasParams
 	matchesAny