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