Extemplate is a small wrapper package around html/template to allow for easy file-based template inheritance.
File: templates/parent.tmpl
<html>
<head>
<title>{{ block "title" }}Default title{{ end }}</title>
</head>
<body>
{{ block "content" }}Default content{{ end }}
</body>
</html>
File: templates/child.tmpl
{{ extends "parent.tmpl" }}
{{ define "title" }}Child title{{ end }}
{{ define "content" }}Hello world!{{ end }}
File: main.go
xt := extemplate.New()
xt.ParseDir("templates/", []string{".tmpl"})
_ = xt.ExecuteTemplate(os.Stdout, "child.tmpl", "no data needed")
// Output: <html>.... Hello world! ....</html>Extemplate recursively walks all files in the given directory and will parse the files matching the given extensions as a template. Templates are named by path and filename, relative to the root directory.
For example, calling ParseDir("templates/", []string{".tmpl"}) on the following directory structure:
templates/
|__ admin/
| |__ index.tmpl
| |__ edit.tmpl
|__ index.tmpl
Will result in the following templates:
admin/index.tmpl
admin/edit.tmpl
index.tmpl
Check out the tests and examples directory for more examples.
This package can be used with gin-gonic as its template render.
// default router
r := gin.Default()
// custom template renderer
xt := extemplate.New()
// insert here template functions (if you have any)
xt.Funcs(template.FuncMap{
"noescape": noescape,
})
// parse template dir
xt.ParseDir("template", []string{".tmpl"})
// set template render
r.HTMLRender = xtYou will most likely never have to worry about performance, when using this package properly. The benchmarks are purely listed here so we have a place to keep track of progress.
BenchmarkExtemplateGetLayoutForTemplate-8 2000000 923 ns/op 104 B/op 3 allocs/op
BenchmarkExtemplateParseDir-8 5000 227898 ns/op 34864 B/op 325 allocs/op
MIT
React
Typescript
Django
Laravel
Facebook
Microsoft
Google
Alibaba
D3
Tencent