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20 lines
366 B
Go
20 lines
366 B
Go
package filters
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import "github.com/flosch/pongo2"
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func init() {
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pongo2.RegisterFilter("lastNItems", filterLastNItems)
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}
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func filterLastNItems(in *pongo2.Value, param *pongo2.Value) (*pongo2.Value, *pongo2.Error) {
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if !in.CanSlice() {
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return in, nil
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}
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from := in.Len() - param.Integer()
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if from < 0 {
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from = 0
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}
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return in.Slice(from, in.Len()), nil
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}
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