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gojekyll/plugins/gist.go
2017-07-08 19:57:41 -04:00

35 lines
717 B
Go

package plugins
import (
"fmt"
"github.com/osteele/gojekyll/tags"
"github.com/osteele/liquid/render"
)
func init() {
register("jekyll-gist", func(_ PluginContext, h pluginHelper) error {
h.tag("gist", gistTag)
return nil
})
}
func gistTag(ctx render.Context) (string, error) {
argsline, err := ctx.ExpandTagArg()
if err != nil {
return "", err
}
args, err := tags.ParseArgs(argsline)
if err != nil {
return "", err
}
if len(args.Args) < 1 {
return "", fmt.Errorf("gist tag: missing argument")
}
url := fmt.Sprintf("https://gist.github.com/%s.js", args.Args[0])
if len(args.Args) >= 2 {
url += fmt.Sprintf("?file=%s", args.Args[1])
}
return `<script src=` + url + `> </script>`, nil
}