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1 files changed, 21 insertions, 0 deletions

diff --git a/node_modules/prompts/lib/util/entriesToDisplay.js b/node_modules/prompts/lib/util/entriesToDisplay.js
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+++ b/node_modules/prompts/lib/util/entriesToDisplay.js
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+'use strict';
+
+/**
+ * Determine what entries should be displayed on the screen, based on the
+ * currently selected index and the maximum visible. Used in list-based
+ * prompts like `select` and `multiselect`.
+ *
+ * @param {number} cursor the currently selected entry
+ * @param {number} total the total entries available to display
+ * @param {number} [maxVisible] the number of entries that can be displayed
+ */
+module.exports = (cursor, total, maxVisible)  => {
+  maxVisible = maxVisible || total;
+
+  let startIndex = Math.min(total- maxVisible, cursor - Math.floor(maxVisible / 2));
+  if (startIndex < 0) startIndex = 0;
+
+  let endIndex = Math.min(startIndex + maxVisible, total);
+
+  return { startIndex, endIndex };
+};