tmplreload is a Go module that provides auto-reloading templates based on the html/template package. It allows you to create templates that automatically reload when the underlying template file changes. This can be particularly useful during development when you want to see the changes to your templates without restarting your application.
- Auto-Reloading: Templates are automatically reloaded when the underlying file changes.
- Function Map Management: Easily add, remove, or update template functions.
To use tmplreload in your Go project, you can simply run:
go get -u github.com/NIR3X/tmplreloadpackage main
import (
"bytes"
"fmt"
"html/template"
"net/http"
"time"
"github.com/NIR3X/tmplreload"
)
func main() {
// Create a new TmplColl (Template Collection).
tmplColl := tmplreload.NewTmplColl(60, 1)
// Close the TmplColl when the main function ends.
defer tmplColl.Close()
// Define a function to be used in the template.
funcMap := template.FuncMap{
"currentTime": func() string {
return time.Now().Format(time.RFC3339)
},
}
// Add the function to the TmplColl function map.
tmplColl.FuncsAdd(funcMap)
// Parse template files in the "templates" directory.
err := tmplColl.ParseGlob("templates/*.html")
if err != nil {
fmt.Println("Error parsing templates:", err)
return
}
// Start an HTTP server to render the templates.
http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
// Execute the template and pass data.
data := struct{ Message string }{"Hello, tmplreload!"}
err := tmplColl.ExecuteTemplate(w, "templates/index.html", data)
if err != nil {
http.Error(w, "Error rendering template", http.StatusInternalServerError)
}
})
// Start the server on port 8000.
fmt.Println("Server is running on http://127.0.0.1:8000")
http.ListenAndServe(":8000", nil)
}<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Example Template</title>
</head>
<body>
<h1>{{ .Message }}!</h1>
<p>Current time: {{ currentTime }}</p>
</body>
</html>In this example, the tmplreload module is used to create a template collection (TmplColl). Templates are parsed from the "templates" directory, and a function (currentTime) is added to the function map. The HTTP server renders the template on incoming requests.
This program is Free Software: You can use, study share and improve it at your will. Specifically you can redistribute and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
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