2024-02-15 17:02:22 +00:00
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package frameproto
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import (
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"io"
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)
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const skeleFrameTop =
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`<!DOCTYPE html>`+"\n"+
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`<html xmlns="http://www.w3.org/1999/xhtml">`+"\n"+
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`<head>`+"\n"+
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`<meta charset="utf-8" />`+"\n"
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const skeleFrameBotton =
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`</head>`+"\n"+
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`<body>`+"\n"+
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`</body>`+"\n"+
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`</html>`+"\n"
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// WriteSkeleFrame takes care of creating a skeleton-HTML-page that the Frame-Protocol's (i.e., Farcaster Frame's) tags are included in.
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//
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// For example, this:
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//
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// frameproto.WriteSkeleFrame(w, func(writer io.Writer){
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//
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// // This will write:
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// // <meta property="fc:frame" content="vNext" />
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// frameproto.WriteFrame(writer, frameproto.VersionVNext)
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//
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// // This will write:
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2024-02-22 23:04:12 +00:00
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// // <meta property="fc:frame:image" content="https://example.com/path/to/img.png" />
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2024-02-15 17:02:22 +00:00
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// var imgURL string = "https://example.com/path/to/img.png"
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// frameproto.WriteFrameImage(writer, imgURL)
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// })
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//
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// Would write this:
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//
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// <!DOCTYPE html>
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// <html xmlns="http://www.w3.org/1999/xhtml">
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// <head>
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// <meta charset="utf-8" /
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// <meta property="fc:frame" content="vNext" />
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// <meta property="fc:frame:image" content="https://example.com/path/to/img.png" />
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// </head>
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// <body>
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// </body>
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// </html>
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//
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// Note that http.ResponseWriter is an io.Writer. So this function can be used to write to http.ResponseWriter.
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func WriteSkeleFrame(writer io.Writer, frameWriterFunc func(io.Writer)error) error {
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var err error
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_, err = io.WriteString(writer, skeleFrameTop)
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if nil != err {
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return err
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}
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err = frameWriterFunc(writer)
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if nil != err {
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return err
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}
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_, err = io.WriteString(writer, skeleFrameBotton)
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if nil != err {
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return err
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}
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return nil
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}
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