static

package
Version: v1.7.0 Latest Latest
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Published: Oct 5, 2016 License: MIT Imports: 13 Imported by: 1

Documentation

Overview

Package static reads package statics generated go files and provides helper methods and objects to retrieve the embeded files and even serve then via http.FileSystem.

Embedding in Source Control

statics -i=assets -o=assets.go -pkg=main -group=Assets -ignore=\\.gitignore -init=true

Output:

//go:generate statics -i=assets -o=assets.go -pkg=main -group=Assets -ignore=\.gitignore

package main

import "github.com/go-playground/statics/static"

// newStaticAssets initializes a new *static.Files instance for use
func newStaticAssets(config *static.Config) (*static.Files, error) {

	return static.New(config, &static.DirFile{})
}

when using arg init=true statics package generates a minimal configuration with no
files embeded; you can then add it to source control, ignore the file locally using
git update-index --assume-unchanged [filename(s)] and then when ready for generation
just run go generate from the project root and the files will get embedded ready for
compilation.

Be sure to check out this packages best buddy https://github.com/go-playground/generate
to help get everything generated and ready for compilation.

NOTE: when specifying paths or directory name in code always use "/", even for you windows users,

the package handles any conversion to you local filesystem paths; Except for the AbsPkgPath
variable in the config.

run statics -h to see the options/arguments

Example Usages

// generated via command:
// statics -i=assets -o=assets.go -pkg=main -group=Assets -ignore=\\.gitignore

gopath := getGopath() // retrieved from environment variable
pkgPath := "/src/github.com/username/project"

// get absolute directory path of the -i arguments parent directory + any prefix
// removed, used when UseStaticFiles=false this is so even when referencing this
// package from another project and your PWD is not for this package anymore the
// file paths will still work.
pkg := goapth + pkgPath

config := &static.Config{
	UseStaticFiles: true,
	AbsPkgPath:     pkg,
}

assets, err := newStaticAssets(config)
if err != nil {
	log.Println(err)
}

// when using http
http.Handle("/assets", http.FileServer(assets.FS()))

// other methods for direct access
assets.GetHTTPFile
assets.ReadFile
assets.ReadDir
assets.ReadFiles

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

This section is empty.

Types

type Config

type Config struct {
	UseStaticFiles bool
	FallbackToDisk bool   // falls back to disk when file not found in static assets
	AbsPkgPath     string // the Absolute package path used for local file reading when UseStaticFiles is false
}

Config contains information about how extracting the data should behave NOTE: FallbackToDisk falls back to disk when file not found in static assets usefull when you have a mixture of static assets and some that need to remain on disk i.e. a users avatar image

type DirFile

type DirFile struct {
	Path       string
	Name       string
	Size       int64
	Mode       os.FileMode
	ModTime    int64
	IsDir      bool
	Compressed string
	Files      []*DirFile
}

DirFile contains the static directory and file content info

type Files

type Files struct {
	// contains filtered or unexported fields
}

Files contains a full instance of a static file collection

func New

func New(config *Config, dirFile *DirFile) (*Files, error)

New create a new static file instance.

func (*Files) FS

func (f *Files) FS() http.FileSystem

FS returns an http.FileSystem object for serving files over http

func (*Files) GetHTTPFile

func (f *Files) GetHTTPFile(filename string) (http.File, error)

GetHTTPFile returns an http.File object

func (*Files) ReadDir

func (f *Files) ReadDir(dirname string) ([]os.FileInfo, error)

ReadDir reads the directory named by dirname and returns a list of sorted directory entries.

func (*Files) ReadFile

func (f *Files) ReadFile(filename string) ([]byte, error)

ReadFile returns a files contents as []byte from the filesystem, static or local

func (*Files) ReadFiles

func (f *Files) ReadFiles(dirname string, recursive bool) (map[string][]byte, error)

ReadFiles returns a directories file contents as a map[string][]byte from the filesystem, static or local

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