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vanng822 / go-premailer

Inline styling for html mail in golang
MIT License
139 stars 19 forks source link
email golang html inline-css inline-styles mail premailer

readme

go-premailer

Inline styling for HTML mail in golang

Document

GoDoc Go Report Card

install

go get github.com/vanng822/go-premailer/premailer

Example

import (
    "fmt"
    "github.com/vanng822/go-premailer/premailer"
    "log"
)

func main() {
    prem, err := premailer.NewPremailerFromFile(inputFile, premailer.NewOptions())
    if err != nil {
        log.Fatal(err)
    }

    html, err := prem.Transform()
    if err != nil {
        log.Fatal(err)
    }

    fmt.Println(html)
}

Input

<html>
<head>
<title>Title</title>
<style type="text/css">
    h1 { width: 300px; color:red; }
    strong { text-decoration:none; }
</style>
</head>
<body>
    <h1>Hi!</h1>
    <p><strong>Yes!</strong></p>
</body>
</html>

Output

<html>
<head>
<title>Title</title>
</head>
<body>
    <h1 style="color:red;width:300px" width="300">Hi!</h1>
    <p><strong style="text-decoration:none">Yes!</strong></p>
</body>
</html>

Commandline

> go run main.go -i your_email.html
> go run main.go -i your_mail.html -o process_mail.html