fix(viewport): preempt potential panics when calculating visible lines #608
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caarlos0
reviewed
Oct 28, 2024
| } | ||
| top := max(0, m.YOffset) | ||
| bottom := min(m.YOffset+m.Height, len(m.lines)) | ||
| if top >= bottom { |
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do we also need to check if bottom is within m.lines bounds?
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This adds some checks to prevent slice out-of-bounds errors when calculating visible lines in the viewport.
This will fix the panic we're seeing in charmbracelet/gum#660 (comment) (though we still need to address the zero-height-by-default thing).