goasset

go assets tool

1.Install

go get -u github.com/hidu/goasset

2.Usage:

2.1 Cmd

 goasset  [-src=resource] [-dest=resource/asset.go] [-package=resource] [-debug=xxx] [asset.json]

note:
assets(eg: .css、.js、image files) in resource dir will packed into go source file:resource/asset.go

Using it with go generate cmd:

//go:generate goasset -src template -package internal -dest internal/asset.go

debug:

1: goasset -debug=abc asset.json 2: go run yourapp/main.go -goasset_debug_abc

2.2 Config File(asset.json)

a. only one dir:

{
  "src":"res",
  "dest":"serve/asset.go",
  "package":"serve"
}

b. many dirs:

{
  "src":"res|res2",
  "dest":"serve/asset.go",
  "package":"serve"
}

2.3 Read Asset

a: HTTP Handle Support

    http.HandleFunc("/index.html", res.Asset.FileHandlerFunc("res/index.html"))
    http.Handle("/res/", res.Asset.HttpHandler("/"))
    
    http.Handle("/js/",res.Asset.HTTPHandler("/res/"))
    
    http.Handle("/static/",http.StripPrefix("/static/",res.Asset.HTTPHandler("/res/")))

默认所有 目录名称为 *private 的不允许通过web访问。

b: Read Content Directly

    content:=res.Asset.GetContent("res/b.css")
    fmt.Println("b.css content:",content)
    
    names := res.Assest.GetFileNames("/")

c: Demo

the demo main.go

3 Helper

a: File Include

a.txt:

// asset_include(b.txt)
this is file a

b.txt:

this is file b

b: Content Remove Range

c.txt:

this is file c
a
b
// asset_remove_start()
c 这里的内容将被删除(忽略)掉
c 这里的内容将被删除(忽略)掉
// asset_remove_end()

d: Content Remove Above

d.txt:

this is file d
//这里的内容将被删除(忽略)掉
//这里的内容将被删除(忽略)掉
// asset_remove_above()
a
b