22 lines
462 B
Go
22 lines
462 B
Go
package infinitescroll
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import (
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"strconv"
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"github.com/aerogo/aero"
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)
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// NextIndex calculates the next index and sends HTTP header
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func NextIndex(ctx aero.Context, allElementsLength int, elementsPerScroll int, index int) int {
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nextIndex := index + elementsPerScroll
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if nextIndex >= allElementsLength {
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nextIndex = -1
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}
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// Send the index for the next request
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ctx.Response().SetHeader("X-LoadMore-Index", strconv.Itoa(nextIndex))
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return nextIndex
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}
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