mirror of
https://github.com/mickael-menu/zk
synced 2024-11-17 09:25:44 +00:00
34 lines
866 B
Go
34 lines
866 B
Go
|
package helpers
|
||
|
|
|
||
|
|
import (
|
||
|
|
"github.com/aymerick/raymond"
|
||
|
|
"github.com/mickael-menu/zk/util"
|
||
|
|
"github.com/mickael-menu/zk/util/strings"
|
||
|
|
)
|
||
|
|
|
||
|
|
// RegisterPrepend registers a {{prepend}} template helper which prepend a
|
||
|
|
// given string at the beginning of each line.
|
||
|
|
//
|
||
|
|
// {{prepend '> ' 'A quote'}} -> "> A quote"
|
||
|
|
// {{#prepend '> '}}A quote{{/prepend}} -> "> A quote"
|
||
|
|
//
|
||
|
|
// A quote on
|
||
|
|
// several lines
|
||
|
|
// {{/prepend}}
|
||
|
|
//
|
||
|
|
// > A quote on
|
||
|
|
// > several lines
|
||
|
|
func RegisterPrepend(logger util.Logger) {
|
||
|
|
raymond.RegisterHelper("prepend", func(prefix string, opt interface{}) string {
|
||
|
|
switch arg := opt.(type) {
|
||
|
|
case *raymond.Options:
|
||
|
|
return strings.Prepend(arg.Fn(), prefix)
|
||
|
|
case string:
|
||
|
|
return strings.Prepend(arg, prefix)
|
||
|
|
default:
|
||
|
|
logger.Printf("the {{prepend}} template helper is expecting a string as argument, received: %v", opt)
|
||
|
|
return ""
|
||
|
|
}
|
||
|
|
})
|
||
|
|
}
|