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fix(form/GetFormItem): Check whether index is out of bounds, if so, return nil

This commit is contained in:
Andreas Bieber 2020-09-17 13:20:02 +02:00
parent 8bd1023ddc
commit 367d377081
1 changed files with 5 additions and 3 deletions
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8
form.go
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@ -466,12 +466,14 @@ func (f *Form) IndexOfFormItem(item FormItem) int {
}
// GetFormItem returns the form item at the given position, starting with index
// 0. Elements are referenced in the order they were added. Buttons are not
// included.
// 0. Elements are referenced in the order they were added. Buttons are not included.
// If index is out of bounds it returns nil.
func (f *Form) GetFormItem(index int) FormItem {
f.RLock()
defer f.RUnlock()
if index > len(f.items)-1 || index < 0 {
return nil
}
return f.items[index]
}