motr/middleware/render/render.go

package render

import (
	"bytes"

	"github.com/a-h/templ"
	"github.com/labstack/echo/v4"
)

type (
	EchoView        func(c echo.Context) error
	EchoViewFunc    func(c echo.Context, b templ.Component) error
	EchoPartialView func(c echo.Context) templ.Component
)

func Page(cmp templ.Component) echo.HandlerFunc {
	return func(c echo.Context) error {
		return Component(c, cmp)
	}
}

func Component(c echo.Context, cmp templ.Component) error {
	// Create a buffer to store the rendered HTML
	buf := &bytes.Buffer{}
	// Render the component to the buffer
	err := cmp.Render(c.Request().Context(), buf)
	if err != nil {
		return err
	}

	// Set the content type
	c.Response().Header().Set(echo.HeaderContentType, echo.MIMETextHTML)

	// Write the buffered content to the response
	_, err = c.Response().Write(buf.Bytes())
	if err != nil {
		return err
	}
	c.Response().WriteHeader(200)
	return nil
}