Function IsDiffSmaller

internal/diff/diff.go:45–50

IsDiffSmaller returns true if storing a diff would be meaningfully smaller than storing the full content. Returns false for near-complete rewrites where the diff is >= 80% of the full content size.

(patch, fullContent string)

// than storing the full content. Returns false for near-complete rewrites
// where the diff is >= 80% of the full content size.
func IsDiffSmaller(patch, fullContent string) bool {
	if len(fullContent) == 0 {
		return false
	}
	return len(patch) < (len(fullContent) * 80 / 100)
}

// CreateReversePatch computes a patch that transforms newText back into oldText.
// Used for reverse-diff version storage: current doc has latest content,