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Showing content from https://github.com/gowebly/helpers below:

gowebly/helpers: 🙋 A most useful helpers for build the best Go web applications with the gowebly CLI (and not so).

A most useful helpers for build the best Go web applications with Gowebly CLI.

💡 Note: You can use these helpers in other projects as well.

Helper to get the given environment variable. If key is not found, sets a fallback value.

import (
    gowebly "github.com/gowebly/helpers"
)

// Get a value of the environment variable 'BACKEND_PORT'
// or sets it to a fallback value '5000'.
gowebly.Getenv("BACKEND_PORT", "5000")

💡 Note: This is a more advanced version of the built-in os.Getenv function.

Helper to parse list of the given templates to the HTTP handler.

import (
    "log/slog"

    gowebly "github.com/gowebly/helpers"
)

func handler(w http.ResponseWriter, r *http.Request) {
    // Define paths to the user templates.
    indexPage := filepath.Join("templates", "pages", "index.html")
    indexLoginForm := filepath.Join("templates", "components", "index-login-form.html")

    // Parse user templates, using gowebly helper, or return error.
    tmpl, err := gowebly.ParseTemplates(indexPage, indexLoginForm)
    if err != nil {
        w.WriteHeader(http.StatusBadRequest)
        slog.Error(err.Error(), "method", r.Method, "status", http.StatusBadRequest, "path", r.URL.Path)
        return
    }

    // Execute (render) all templates or return error.
    if err := tmpl.Execute(w, nil); err != nil {
        w.WriteHeader(http.StatusInternalServerError)
        slog.Error(err.Error(), "method", r.Method, "status", http.StatusInternalServerError, "path", r.URL.Path)
        return
    }
}

💡 Note: The main layout template (templates/main.html) is already included.

Helper to parse a list of the given templates with a custom main layout to the HTTP handler. Useful to use at times when you want to override file name of the default templates/main.html layout template.

import (
    "log/slog"

    gowebly "github.com/gowebly/helpers"
)

func handler(w http.ResponseWriter, r *http.Request) {
    // Define path to the main layout template.
    customMainLayout := filepath.Join("templates", "my-custom-main.html")

    // Define paths to the user templates.
    indexPage := filepath.Join("templates", "pages", "index.html")
    indexLoginForm := filepath.Join("templates", "components", "index-login-form.html")

    // Parse user templates or return error.
    tmpl, err := gowebly.ParseTemplatesWithCustomMainLayout(customMainLayout, indexPage, indexLoginForm)
    if err != nil {
        w.WriteHeader(http.StatusBadRequest)
        slog.Error(err.Error(), "method", r.Method, "status", http.StatusBadRequest, "path", r.URL.Path)
        return
    }

    // Execute (render) all templates or return error.
    if err := tmpl.Execute(w, nil); err != nil {
        w.WriteHeader(http.StatusInternalServerError)
        slog.Error(err.Error(), "method", r.Method, "status", http.StatusInternalServerError, "path", r.URL.Path)
        return
    }
}

Helpers to create a custom handler for serve embed ./static folder.

import (
    "embed"
    "net/http"

    gowebly "github.com/gowebly/helpers"
)

//go:embed static/*
var static embed.FS

// Create the gowebly helper for serve embed static folder.
staticFileServer := gowebly.StaticFileServerHandler(http.FS(static))

// Handle static files (with a custom handler).
http.Handle("/static/", staticFileServer)

The Gowebly Helpers is free and open-source software licensed under the Apache 2.0 License, created and supported by Vic Shóstak with 🩵 for people and robots.

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