compress

package
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Published: Mar 11, 2023 License: MIT Imports: 2 Imported by: 0

README

Compress Middleware

Compression middleware for Fiber that will compress the response using gzip, deflate and brotli compression depending on the Accept-Encoding header.

Signatures

func New(config ...Config) fiber.Handler

Examples

First import the middleware from Fiber,

import (
  "github.com/gofiber/fiber/v2"
  "github.com/gofiber/fiber/v2/middleware/compress"
)

Then create a Fiber app with app := fiber.New().

Default Config
app.Use(compress.New())
Custom Config
// Provide a custom compression level
app.Use(compress.New(compress.Config{
    Level: compress.LevelBestSpeed, // 1
}))

// Skip middleware for specific routes
app.Use(compress.New(compress.Config{
  Next:  func(c *fiber.Ctx) bool {
    return c.Path() == "/dont_compress"
  },
  Level: compress.LevelBestSpeed, // 1
}))

Config

// Config defines the config for middleware.
type Config struct {
	// Next defines a function to skip this middleware when returned true.
	//
	// Optional. Default: nil
	Next func(c *fiber.Ctx) bool

	// CompressLevel determines the compression algoritm
	//
	// Optional. Default: LevelDefault
	// LevelDisabled:         -1
	// LevelDefault:          0
	// LevelBestSpeed:        1
	// LevelBestCompression:  2
	Level int
}

Default Config

var ConfigDefault = Config{
	Next:  nil,
	Level: LevelDefault,
}

Constants

// Compression levels
const (
	LevelDisabled        = -1
	LevelDefault         = 0
	LevelBestSpeed       = 1
	LevelBestCompression = 2
)

Documentation

Index

Constants

This section is empty.

Variables

View Source
var ConfigDefault = Config{
	Next:  nil,
	Level: LevelDefault,
}

ConfigDefault is the default config

Functions

func New

func New(config ...Config) fiber.Handler

New creates a new middleware handler

Types

type Config

type Config struct {
	// Next defines a function to skip this middleware when returned true.
	//
	// Optional. Default: nil
	Next func(c *fiber.Ctx) bool

	// Level determines the compression algorithm
	//
	// Optional. Default: LevelDefault
	// LevelDisabled:         -1
	// LevelDefault:          0
	// LevelBestSpeed:        1
	// LevelBestCompression:  2
	Level Level
}

Config defines the config for middleware.

type Level

type Level int

Level is numeric representation of compression level

const (
	LevelDisabled        Level = -1
	LevelDefault         Level = 0
	LevelBestSpeed       Level = 1
	LevelBestCompression Level = 2
)

Represents compression level that will be used in the middleware

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